diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4329286
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,57 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+target
+.svn
+*.log
+*/*.log
+.DS_Store
+*/velocity.log.*
+/out
+/.idea/*
+/.idea/ant.xml
+/.idea/misc.xml
+/.idea/workspace.xml
+/.idea/compiler.xml
+/.idea/modules.xml
+/.idea/libraries/Maven*.xml
+/.idea/artifacts/*.xml
+/*.iws
+/ais-hardware.eml
+tiangong-js
+rebel.xml
+.husx
+/.husx/docs/bash/
+/.husx/docs/bash/*/*.sh
+/.husx/docs/bash/*/*/*.sh
+/web/src/test/java/com/cmcc/coc/ummp/check/Test.java
diff --git a/.mvn/wrapper/MavenWrapperDownloader.java b/.mvn/wrapper/MavenWrapperDownloader.java
new file mode 100644
index 0000000..a45eb6b
--- /dev/null
+++ b/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+ private static final String WRAPPER_VERSION = "0.5.6";
+ /**
+ * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+ */
+ private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+ + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+ /**
+ * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+ * use instead of the default one.
+ */
+ private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+ ".mvn/wrapper/maven-wrapper.properties";
+
+ /**
+ * Path where the maven-wrapper.jar will be saved to.
+ */
+ private static final String MAVEN_WRAPPER_JAR_PATH =
+ ".mvn/wrapper/maven-wrapper.jar";
+
+ /**
+ * Name of the property which should be used to override the default download url for the wrapper.
+ */
+ private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+ public static void main(String args[]) {
+ System.out.println("- Downloader started");
+ File baseDirectory = new File(args[0]);
+ System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+ // If the maven-wrapper.properties exists, read it and check if it contains a custom
+ // wrapperUrl parameter.
+ File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+ String url = DEFAULT_DOWNLOAD_URL;
+ if (mavenWrapperPropertyFile.exists()) {
+ FileInputStream mavenWrapperPropertyFileInputStream = null;
+ try {
+ mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+ Properties mavenWrapperProperties = new Properties();
+ mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+ url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+ } catch (IOException e) {
+ System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+ } finally {
+ try {
+ if (mavenWrapperPropertyFileInputStream != null) {
+ mavenWrapperPropertyFileInputStream.close();
+ }
+ } catch (IOException e) {
+ // Ignore ...
+ }
+ }
+ }
+ System.out.println("- Downloading from: " + url);
+
+ File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+ if (!outputFile.getParentFile().exists()) {
+ if (!outputFile.getParentFile().mkdirs()) {
+ System.out.println(
+ "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+ }
+ }
+ System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+ try {
+ downloadFileFromURL(url, outputFile);
+ System.out.println("Done");
+ System.exit(0);
+ } catch (Throwable e) {
+ System.out.println("- Error downloading");
+ e.printStackTrace();
+ System.exit(1);
+ }
+ }
+
+ private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+ if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+ String username = System.getenv("MVNW_USERNAME");
+ char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+ Authenticator.setDefault(new Authenticator() {
+ @Override
+ protected PasswordAuthentication getPasswordAuthentication() {
+ return new PasswordAuthentication(username, password);
+ }
+ });
+ }
+ URL website = new URL(urlString);
+ ReadableByteChannel rbc;
+ rbc = Channels.newChannel(website.openStream());
+ FileOutputStream fos = new FileOutputStream(destination);
+ fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+ fos.close();
+ rbc.close();
+ }
+
+}
diff --git a/.mvn/wrapper/maven-wrapper.jar b/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000..2cc7d4a
Binary files /dev/null and b/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/.mvn/wrapper/maven-wrapper.properties b/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000..ffdc10e
--- /dev/null
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.1/apache-maven-3.8.1-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
diff --git a/README.md b/README.md
deleted file mode 100644
index dc2971f..0000000
--- a/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# javaEE
-基i础 test is git
diff --git a/gateway/pom.xml b/gateway/pom.xml
new file mode 100644
index 0000000..7ddac45
--- /dev/null
+++ b/gateway/pom.xml
@@ -0,0 +1,96 @@
+
+
+
+ test
+ com.xgh
+ 0.0.1-SNAPSHOT
+
+ 4.0.0
+
+ gateway
+
+
+ 8
+ 8
+ UTF-8
+
+
+
+ io.netty
+ netty-all
+ 4.1.77.Final
+
+
+ com.alibaba
+ fastjson
+ 2.0.7
+
+
+ org.slf4j
+ slf4j-api
+ 1.7.36
+ jar
+ compile
+
+
+ ch.qos.logback
+ logback-core
+ 1.2.11
+ jar
+
+
+ ch.qos.logback
+ logback-classic
+ 1.2.11
+ jar
+
+
+ junit
+ junit
+ 4.13.2
+ test
+
+
+ org.apache.dubbo
+ dubbo
+ 2.7.5
+
+
+ org.apache.zookeeper
+ zookeeper
+ 3.4.13
+
+
+ org.apache.curator
+ curator-framework
+ 4.0.1
+
+
+ org.apache.curator
+ curator-recipes
+ 4.0.1
+
+
+ cglib
+ cglib
+ 3.3.0
+
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-compiler-plugin
+ 3.3
+
+ ${maven.compiler.source}
+ ${maven.compiler.target}
+ ${project.build.sourceEncoding}
+
+
+
+
+
\ No newline at end of file
diff --git a/gateway/src/main/java/com/xgh/gateway/day01/BaseHandler.java b/gateway/src/main/java/com/xgh/gateway/day01/BaseHandler.java
new file mode 100644
index 0000000..b583402
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day01/BaseHandler.java
@@ -0,0 +1,19 @@
+package com.xgh.gateway.day01;
+
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.SimpleChannelInboundHandler;
+
+/**
+ * 数据处理器 基类
+ * @param
+ */
+public abstract class BaseHandler extends SimpleChannelInboundHandler {
+
+ @Override
+ protected void channelRead0(ChannelHandlerContext ctx, T msg) throws Exception {
+ session(ctx,ctx.channel(),msg);
+ }
+
+ protected abstract void session(ChannelHandlerContext ctx, final Channel channel, T request);
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day01/SessionChannelInitializer.java b/gateway/src/main/java/com/xgh/gateway/day01/SessionChannelInitializer.java
new file mode 100644
index 0000000..c8f3477
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day01/SessionChannelInitializer.java
@@ -0,0 +1,24 @@
+package com.xgh.gateway.day01;
+
+import com.xgh.gateway.day01.handlers.SessionServerHandler;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.ChannelPipeline;
+import io.netty.channel.socket.SocketChannel;
+import io.netty.handler.codec.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpRequestDecoder;
+import io.netty.handler.codec.http.HttpResponseEncoder;
+
+
+public class SessionChannelInitializer extends ChannelInitializer {
+
+ @Override
+ protected void initChannel(SocketChannel channel) throws Exception {
+ ChannelPipeline line = channel.pipeline();
+ line.addLast(new HttpRequestDecoder())
+ .addLast(new HttpResponseEncoder())
+ .addLast(new HttpObjectAggregator(1024*1024))
+ .addLast(new SessionServerHandler());
+ }
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day01/SessionServer.java b/gateway/src/main/java/com/xgh/gateway/day01/SessionServer.java
new file mode 100644
index 0000000..5c4e0a4
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day01/SessionServer.java
@@ -0,0 +1,54 @@
+package com.xgh.gateway.day01;
+
+import io.netty.bootstrap.ServerBootstrap;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelOption;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.nio.NioServerSocketChannel;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+import java.util.concurrent.Callable;
+
+
+/**
+ * 网关会话服务
+ * @author xgh
+ */
+public class SessionServer implements Callable {
+
+ private final Logger logger = LoggerFactory.getLogger(SessionServer.class);
+
+ private final EventLoopGroup boss = new NioEventLoopGroup(1);
+
+ private final EventLoopGroup work = new NioEventLoopGroup();
+
+ private Channel channel;
+
+
+ @Override
+ public Channel call() throws Exception {
+ ChannelFuture channelFuture = null;
+ try {
+ ServerBootstrap b = new ServerBootstrap();
+ b.group(boss,work)
+ .channel(NioServerSocketChannel.class)
+ .option(ChannelOption.SO_BACKLOG,128)
+ .childHandler(new SessionChannelInitializer());
+ channelFuture = b.bind(7387).syncUninterruptibly();
+ this.channel = channelFuture.channel();
+ }catch (Exception e){
+ logger.error("socket server start error.",e);
+ }finally {
+ if(null != channelFuture || channelFuture.isSuccess()){
+ logger.error("socket server start done.");
+ }else {
+ logger.error("socket server start error.");
+ }
+ }
+ return channel;
+ }
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day01/handlers/SessionServerHandler.java b/gateway/src/main/java/com/xgh/gateway/day01/handlers/SessionServerHandler.java
new file mode 100644
index 0000000..2ef899d
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day01/handlers/SessionServerHandler.java
@@ -0,0 +1,42 @@
+package com.xgh.gateway.day01.handlers;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.serializer.SerializerFeature;
+import com.xgh.gateway.day01.BaseHandler;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.http.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * 会话处理器
+ */
+public class SessionServerHandler extends BaseHandler {
+
+ private final Logger logger = LoggerFactory.getLogger(SessionServerHandler.class);
+
+ @Override
+ protected void session(ChannelHandlerContext ctx, Channel channel, FullHttpRequest request) {
+ logger.info("网关接收请求uri:{} method:{}",request.uri(),request.method());
+ //返回信息处理
+ DefaultFullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
+ //返回信息控制
+ response.content().writeBytes(JSON.toJSONBytes("你访问的路径被网关管理了uri:"+request.uri(), SerializerFeature.PrettyFormat));
+ //设置头部信息
+ HttpHeaders headers = response.headers();
+ //返回内容类型
+ headers.add(HttpHeaderNames.CONTENT_TYPE,HttpHeaderValues.APPLICATION_JSON+";charset=UTF-8");
+ //响应体长度
+ headers.add(HttpHeaderNames.CONTENT_LENGTH,response.content().readableBytes());
+ //配置链接持久
+ headers.add(HttpHeaderNames.CONNECTION,HttpHeaderValues.KEEP_ALIVE);
+ //配置跨域
+ headers.add(HttpHeaderNames.ACCESS_CONTROL_ALLOW_ORIGIN,"*");
+ headers.add(HttpHeaderNames.ACCESS_CONTROL_ALLOW_HEADERS,"*");
+ headers.add(HttpHeaderNames.ACCESS_CONTROL_ALLOW_METHODS,"GET, POST, PUT, DELETE");
+ headers.add(HttpHeaderNames.ACCESS_CONTROL_ALLOW_CREDENTIALS,"true");
+
+ channel.writeAndFlush(response);
+ }
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day02/bind/GenericReferenceProxy.java b/gateway/src/main/java/com/xgh/gateway/day02/bind/GenericReferenceProxy.java
new file mode 100644
index 0000000..92c8abb
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day02/bind/GenericReferenceProxy.java
@@ -0,0 +1,45 @@
+package com.xgh.gateway.day02.bind;
+
+import net.sf.cglib.proxy.MethodInterceptor;
+import net.sf.cglib.proxy.MethodProxy;
+import org.apache.dubbo.rpc.service.GenericService;
+
+import java.lang.reflect.Method;
+
+/**
+ * 泛化调用静态代理：方便做一些拦截处理，给http对应rpc调用，做一层代理控制
+ * 每调用到一个http对应的网关方法，就会代理的方式调用到rpc对应的泛化方法上
+ */
+public class GenericReferenceProxy implements MethodInterceptor {
+
+ /**
+ * rpc泛化调用服务
+ */
+ private final GenericService genericService;
+
+ /**
+ * rpc 泛化调用方法
+ */
+ private final String methodName;
+
+ public GenericReferenceProxy(GenericService genericService, String methodName) {
+ this.genericService = genericService;
+ this.methodName = methodName;
+ }
+
+
+ /**
+ *
+ * 做一层代理控制，后续不止是可以使用 Dubbo 泛化调用，也可以是其他服务的泛化调用
+ * 泛化调用文档：https://dubbo.apache.org/zh/docsv2.7/user/examples/generic-reference/
+ */
+ @Override
+ public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable {
+ Class[] parameterTypes = method.getParameterTypes();
+ String[] parameters = new String[parameterTypes.length];
+ for (int i = 0; i < parameterTypes.length; i++) {
+ parameters[i] = parameterTypes[i].getName();
+ }
+ return genericService.$invoke(methodName,parameters,args);
+ }
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day02/bind/GenericReferenceProxyFactory.java b/gateway/src/main/java/com/xgh/gateway/day02/bind/GenericReferenceProxyFactory.java
new file mode 100644
index 0000000..62fe409
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day02/bind/GenericReferenceProxyFactory.java
@@ -0,0 +1,51 @@
+package com.xgh.gateway.day02.bind;
+
+
+import net.sf.cglib.core.Signature;
+import net.sf.cglib.proxy.Enhancer;
+import net.sf.cglib.proxy.InterfaceMaker;
+import org.apache.dubbo.rpc.service.GenericService;
+import org.objectweb.asm.Type;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * 泛化调用静态代理工厂
+ */
+public class GenericReferenceProxyFactory {
+
+ /**
+ * rpc 泛化调用服务
+ */
+ private final GenericService genericService;
+
+
+ private final Map genericReferenceCache = new ConcurrentHashMap<>();
+
+
+ public GenericReferenceProxyFactory(GenericService genericService) {
+ this.genericService = genericService;
+ }
+
+ public IGenericReference newInstance(String method){
+ return genericReferenceCache.computeIfAbsent(method,k->{
+ //泛化调用
+ GenericReferenceProxy genericReferenceProxy = new GenericReferenceProxy(genericService, method);
+ //创建接口
+ InterfaceMaker interfaceMaker = new InterfaceMaker();
+ interfaceMaker.add(new Signature(method, Type.getType(String.class),new Type[]{ Type.getType(String.class)}),null);
+ Class interfaceClass = interfaceMaker.create();
+ //代理对象
+ Enhancer enhancer = new Enhancer();
+ enhancer.setSuperclass(Object.class);
+ //IGenericReference 统一泛化接口
+ //interfaceClass 根据泛化调用注册信息创建的接口，建立http->rpc关联
+ enhancer.setInterfaces(new Class[]{IGenericReference.class,interfaceClass});
+ enhancer.setCallback(genericReferenceProxy);
+ return (IGenericReference) enhancer.create();
+ });
+ }
+
+
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day02/bind/GenericReferenceRegistry.java b/gateway/src/main/java/com/xgh/gateway/day02/bind/GenericReferenceRegistry.java
new file mode 100644
index 0000000..c569d31
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day02/bind/GenericReferenceRegistry.java
@@ -0,0 +1,52 @@
+package com.xgh.gateway.day02.bind;
+
+import com.xgh.gateway.day02.session.Configuration;
+import org.apache.dubbo.config.ApplicationConfig;
+import org.apache.dubbo.config.ReferenceConfig;
+import org.apache.dubbo.config.RegistryConfig;
+import org.apache.dubbo.config.bootstrap.DubboBootstrap;
+import org.apache.dubbo.config.utils.ReferenceConfigCache;
+import org.apache.dubbo.rpc.service.GenericService;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 泛化调用注册器
+ */
+public class GenericReferenceRegistry {
+
+ private final Configuration configuration;
+
+
+ public GenericReferenceRegistry(Configuration configuration) {
+ this.configuration = configuration;
+ }
+
+ private final Map knownGenericReferences = new HashMap<>();
+
+ public IGenericReference getGenericReference(String methodName){
+ GenericReferenceProxyFactory genericReferenceProxyFactory = knownGenericReferences.get(methodName);
+ if(genericReferenceProxyFactory == null){
+ throw new RuntimeException("Type "+methodName +"is not know to the GenericReferenceRegistry.");
+ }
+ return genericReferenceProxyFactory.newInstance(methodName);
+ }
+
+
+ public void addGenericReference(String application,String interfaceName,String methodName){
+ //获取基础服务
+ ApplicationConfig applicationConfig = configuration.getApplicationConfig(application);
+ RegistryConfig registryConfig = configuration.getRegistryConfig(application);
+ ReferenceConfig referenceConfig = configuration.getReferenceConfig(interfaceName);
+ //构建dubbo服务
+ DubboBootstrap bootstrap = DubboBootstrap.getInstance();
+ bootstrap.application(applicationConfig).registry(registryConfig).reference(referenceConfig).start();
+ //调用泛化服务
+ ReferenceConfigCache cache = ReferenceConfigCache.getCache();
+ GenericService genericService = cache.get(referenceConfig);
+ //创建并保存到工厂
+ knownGenericReferences.put(methodName,new GenericReferenceProxyFactory(genericService));
+ }
+
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day02/bind/IGenericReference.java b/gateway/src/main/java/com/xgh/gateway/day02/bind/IGenericReference.java
new file mode 100644
index 0000000..a71538f
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day02/bind/IGenericReference.java
@@ -0,0 +1,9 @@
+package com.xgh.gateway.day02.bind;
+
+/**
+ * 统一泛化接口
+ */
+public interface IGenericReference {
+
+ String $invoke(String args);
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day02/session/BaseHandler.java b/gateway/src/main/java/com/xgh/gateway/day02/session/BaseHandler.java
new file mode 100644
index 0000000..3253e05
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day02/session/BaseHandler.java
@@ -0,0 +1,20 @@
+package com.xgh.gateway.day02.session;
+
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.SimpleChannelInboundHandler;
+
+/**
+ * 数据处理基类
+ * @param
+ */
+public abstract class BaseHandler extends SimpleChannelInboundHandler {
+
+
+ @Override
+ protected void channelRead0(ChannelHandlerContext ctx, T msg) throws Exception {
+ session(ctx,ctx.channel(),msg);
+ }
+
+ protected abstract void session(ChannelHandlerContext ctx, Channel channel, T request);
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day02/session/Configuration.java b/gateway/src/main/java/com/xgh/gateway/day02/session/Configuration.java
new file mode 100644
index 0000000..9790beb
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day02/session/Configuration.java
@@ -0,0 +1,75 @@
+package com.xgh.gateway.day02.session;
+
+
+import com.xgh.gateway.day02.bind.GenericReferenceRegistry;
+import com.xgh.gateway.day02.bind.IGenericReference;
+import org.apache.dubbo.config.ApplicationConfig;
+import org.apache.dubbo.config.ReferenceConfig;
+import org.apache.dubbo.config.RegistryConfig;
+import org.apache.dubbo.rpc.service.GenericService;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 会话生命周期配置类
+ */
+public class Configuration {
+
+ private final GenericReferenceRegistry registry = new GenericReferenceRegistry(this);
+
+ //rpc 应用服务配置项api-gateway-test
+ private final Map applicationConfigMap = new HashMap<>();
+
+ /**
+ * 注册中心配置项 zookeeper:127.0.0.1:2181
+ */
+ private final Map registryConfigMap = new HashMap<>();
+
+ /**
+ * rpc 泛化服务配置项目 cn.gateway.rpc.IActivityBooth
+ */
+ private final Map> referenceConfigMap = new HashMap<>();
+
+
+ public Configuration(){
+ ApplicationConfig application = new ApplicationConfig();
+ application.setName("api-gateway-test");
+ application.setQosEnable(false);
+
+ RegistryConfig registryConfig = new RegistryConfig();
+ registryConfig.setAddress("zookeeper://127.0.0.1:2181");
+ registryConfig.setRegister(false);
+
+ ReferenceConfig reference = new ReferenceConfig<>();
+ reference.setInterface("");
+ reference.setVersion("1.0.1");
+ reference.setGeneric("true");
+
+ applicationConfigMap.put("api-gateway-test",application);
+ registryConfigMap.put("api-gateway-test",registryConfig);
+ referenceConfigMap.put("",reference);
+ }
+
+ public ApplicationConfig getApplicationConfig(String applicationName){
+ return applicationConfigMap.get(applicationName);
+ }
+
+ public RegistryConfig getRegistryConfig(String applicationName){
+ return registryConfigMap.get(applicationName);
+ }
+
+ public ReferenceConfig getReferenceConfig(String interfaceName){
+ return referenceConfigMap.get(interfaceName);
+ }
+
+
+ public void addGenericReference(String application,String interfaceName,String methodName){
+ registry.addGenericReference(application,interfaceName,methodName);
+ }
+
+ public IGenericReference getGenericReference(String methodName){
+ return registry.getGenericReference(methodName);
+ }
+
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day02/session/GenericReferenceSessionFactoryBuilder.java b/gateway/src/main/java/com/xgh/gateway/day02/session/GenericReferenceSessionFactoryBuilder.java
new file mode 100644
index 0000000..5f9165b
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day02/session/GenericReferenceSessionFactoryBuilder.java
@@ -0,0 +1,25 @@
+package com.xgh.gateway.day02.session;
+
+
+import com.xgh.gateway.day02.session.defaults.GenericReferenceSessionFactory;
+import io.netty.channel.Channel;
+
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+
+/**
+ * 会话工厂构建类
+ */
+public class GenericReferenceSessionFactoryBuilder {
+
+ public Future build(Configuration configuration) {
+ IGenericReferenceSessionFactory genericReferenceSessionFactory = new GenericReferenceSessionFactory(configuration);
+ try {
+ return genericReferenceSessionFactory.openSession();
+ } catch (ExecutionException | InterruptedException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day02/session/IGenericReferenceSessionFactory.java b/gateway/src/main/java/com/xgh/gateway/day02/session/IGenericReferenceSessionFactory.java
new file mode 100644
index 0000000..d0cc1b0
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day02/session/IGenericReferenceSessionFactory.java
@@ -0,0 +1,17 @@
+package com.xgh.gateway.day02.session;
+
+import io.netty.channel.Channel;
+
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+
+
+/**
+ * 泛化调用工厂接口
+ */
+public interface IGenericReferenceSessionFactory {
+
+ Future openSession() throws ExecutionException, InterruptedException;
+
+
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day02/session/SessionChannelInitializer.java b/gateway/src/main/java/com/xgh/gateway/day02/session/SessionChannelInitializer.java
new file mode 100644
index 0000000..e0e9141
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day02/session/SessionChannelInitializer.java
@@ -0,0 +1,28 @@
+package com.xgh.gateway.day02.session;
+
+import com.xgh.gateway.day02.session.handlers.SessionServerHandler;
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.socket.SocketChannel;
+import io.netty.handler.codec.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpRequestDecoder;
+import io.netty.handler.codec.http.HttpResponseEncoder;
+
+/**
+ * 会话管道初始化类
+ */
+public class SessionChannelInitializer extends ChannelInitializer {
+
+ private final Configuration configuration;
+
+ public SessionChannelInitializer(Configuration configuration) {
+ this.configuration = configuration;
+ }
+
+ @Override
+ protected void initChannel(SocketChannel channel) throws Exception {
+ channel.pipeline().addLast(new HttpRequestDecoder())
+ .addLast(new HttpResponseEncoder())
+ .addLast(new HttpObjectAggregator(1024*1024))
+ .addLast(new SessionServerHandler(configuration));
+ }
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day02/session/SessionServer.java b/gateway/src/main/java/com/xgh/gateway/day02/session/SessionServer.java
new file mode 100644
index 0000000..71fda8e
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day02/session/SessionServer.java
@@ -0,0 +1,59 @@
+package com.xgh.gateway.day02.session;
+
+
+import io.netty.bootstrap.ServerBootstrap;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelOption;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.nio.NioServerSocketChannel;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.InetSocketAddress;
+import java.util.concurrent.Callable;
+
+/**
+ * 网关会话服务
+ */
+public class SessionServer implements Callable {
+
+ private final Logger logger = LoggerFactory.getLogger(SessionServer.class);
+
+ private final Configuration configuration;
+
+ private final EventLoopGroup boss = new NioEventLoopGroup(1);
+
+ private final EventLoopGroup work = new NioEventLoopGroup();
+
+ private Channel channel;
+
+ public SessionServer(Configuration configuration) {
+ this.configuration = configuration;
+ }
+
+
+ @Override
+ public Channel call() throws Exception {
+ ChannelFuture channelFuture = null;
+ try {
+ ServerBootstrap b =new ServerBootstrap();
+ b.group(boss,work)
+ .channel(NioServerSocketChannel.class)
+ .option(ChannelOption.SO_BACKLOG,128)
+ .childHandler(new SessionChannelInitializer(configuration));
+ channelFuture = b.bind(new InetSocketAddress(7397)).syncUninterruptibly();
+ this.channel = channelFuture.channel();
+ }catch (Exception e){
+ logger.error("socket server start error .",e);
+ }finally {
+ if(null != channelFuture && channelFuture.isSuccess()){
+ logger.info("socket server start done.");
+ }else {
+ logger.error("socket server start error.");
+ }
+ }
+ return channel;
+ }
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day02/session/defaults/GenericReferenceSessionFactory.java b/gateway/src/main/java/com/xgh/gateway/day02/session/defaults/GenericReferenceSessionFactory.java
new file mode 100644
index 0000000..92135d6
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day02/session/defaults/GenericReferenceSessionFactory.java
@@ -0,0 +1,39 @@
+package com.xgh.gateway.day02.session.defaults;
+
+import com.xgh.gateway.day02.session.Configuration;
+import com.xgh.gateway.day02.session.IGenericReferenceSessionFactory;
+import com.xgh.gateway.day02.session.SessionServer;
+import io.netty.channel.Channel;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+
+public class GenericReferenceSessionFactory implements IGenericReferenceSessionFactory {
+
+ private final Logger logger = LoggerFactory.getLogger(GenericReferenceSessionFactory.class);
+
+ private final Configuration configuration;
+
+ public GenericReferenceSessionFactory(Configuration configuration) {
+ this.configuration = configuration;
+ }
+
+ @Override
+ public Future openSession() throws ExecutionException, InterruptedException {
+ SessionServer server = new SessionServer(configuration);
+ Future future = Executors.newFixedThreadPool(2).submit(server);
+ Channel channel = future.get();
+ if(null == channel){
+ throw new RuntimeException("netty server start error channel is null");
+ }
+ while (!channel.isActive()){
+ logger.info("netty server gateway start ing ...");
+ Thread.sleep(500);
+ }
+ logger.info("netty server gateway start Done:{}",channel.localAddress());
+ return future;
+ }
+}
diff --git a/gateway/src/main/java/com/xgh/gateway/day02/session/handlers/SessionServerHandler.java b/gateway/src/main/java/com/xgh/gateway/day02/session/handlers/SessionServerHandler.java
new file mode 100644
index 0000000..b29226a
--- /dev/null
+++ b/gateway/src/main/java/com/xgh/gateway/day02/session/handlers/SessionServerHandler.java
@@ -0,0 +1,58 @@
+package com.xgh.gateway.day02.session.handlers;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.serializer.SerializerFeature;
+import com.xgh.gateway.day02.bind.IGenericReference;
+import com.xgh.gateway.day02.session.BaseHandler;
+import com.xgh.gateway.day02.session.Configuration;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.http.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * 会话服务处理器
+ */
+public class SessionServerHandler extends BaseHandler {
+
+ private final Logger logger = LoggerFactory.getLogger(SessionServerHandler.class);
+
+ private final Configuration configuration;
+
+ public SessionServerHandler(Configuration configuration) {
+ this.configuration = configuration;
+ }
+
+
+ @Override
+ protected void session(ChannelHandlerContext ctx, Channel channel, FullHttpRequest request) {
+ logger.info("网关接收请求uri:{},method:{}",request.uri(),request.method());
+ //返回信息控制
+ String methodName = request.uri().substring(1);
+ if(methodName.equals("favicon.ico")){return;}
+ //返回信息处理
+ DefaultFullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
+ //服务泛化调用
+ IGenericReference reference = configuration.getGenericReference("sayHi");
+ String result = reference.$invoke("test)" + " " + System.currentTimeMillis());
+
+ //设置回写数据
+ response.content().writeBytes(JSON.toJSONBytes(result, SerializerFeature.PrettyFormat));
+ //头部信息设置
+ HttpHeaders heads = response.headers();
+ //返回内容类型
+ heads.add(HttpHeaderNames.CONTENT_TYPE,HttpHeaderValues.APPLICATION_JSON+";charset=UTF-8");
+ //响应体长度
+ heads.add(HttpHeaderNames.CONTENT_LENGTH,response.content().readableBytes());
+ //配置持久化
+ heads.add(HttpHeaderNames.CONNECTION,HttpHeaderValues.KEEP_ALIVE);
+ //配置跨域
+ heads.add(HttpHeaderNames.ACCESS_CONTROL_ALLOW_ORIGIN, "*");
+ heads.add(HttpHeaderNames.ACCESS_CONTROL_ALLOW_HEADERS, "*");
+ heads.add(HttpHeaderNames.ACCESS_CONTROL_ALLOW_METHODS, "GET, POST, PUT, DELETE");
+ heads.add(HttpHeaderNames.ACCESS_CONTROL_ALLOW_CREDENTIALS, "true");
+
+ channel.writeAndFlush(response);
+ }
+}
diff --git a/gateway/src/test/java/com/xgh/gateway/day01/ApiTest.java b/gateway/src/test/java/com/xgh/gateway/day01/ApiTest.java
new file mode 100644
index 0000000..d2b54f0
--- /dev/null
+++ b/gateway/src/test/java/com/xgh/gateway/day01/ApiTest.java
@@ -0,0 +1,37 @@
+package com.xgh.gateway.day01;
+
+import io.netty.channel.Channel;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+
+/**
+ * @description 测试
+ */
+public class ApiTest {
+
+ private final Logger logger = LoggerFactory.getLogger(ApiTest.class);
+
+ @Test
+ public void test() throws ExecutionException, InterruptedException {
+ SessionServer server = new SessionServer();
+
+ Future future = Executors.newFixedThreadPool(2).submit(server);
+ Channel channel = future.get();
+
+ if (null == channel) throw new RuntimeException("netty server start error channel is null");
+
+ while (!channel.isActive()) {
+ logger.info("NettyServer启动服务 ...");
+ Thread.sleep(500);
+ }
+ logger.info("NettyServer启动服务完成 {}", channel.localAddress());
+
+ Thread.sleep(Long.MAX_VALUE);
+ }
+
+}
\ No newline at end of file
diff --git a/gateway/src/test/java/com/xgh/gateway/day02/ApiTest.java b/gateway/src/test/java/com/xgh/gateway/day02/ApiTest.java
new file mode 100644
index 0000000..aa59e98
--- /dev/null
+++ b/gateway/src/test/java/com/xgh/gateway/day02/ApiTest.java
@@ -0,0 +1,30 @@
+package com.xgh.gateway.day02;
+
+import com.xgh.gateway.day02.session.Configuration;
+import com.xgh.gateway.day02.session.GenericReferenceSessionFactoryBuilder;
+import io.netty.channel.Channel;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+
+
+public class ApiTest {
+
+ private final Logger logger = LoggerFactory.getLogger(ApiTest.class);
+
+ @Test
+ public void test_GenericReference() throws InterruptedException, ExecutionException {
+ Configuration configuration = new Configuration();
+ configuration.addGenericReference("api-gateway-test", "cn.bugstack.gateway.rpc.IActivityBooth", "sayHi");
+
+ GenericReferenceSessionFactoryBuilder builder = new GenericReferenceSessionFactoryBuilder();
+ Future future = builder.build(configuration);
+
+ logger.info("服务启动完成 {}", future.get().id());
+
+ Thread.sleep(Long.MAX_VALUE);
+ }
+}
\ No newline at end of file
diff --git a/gateway/src/test/java/com/xgh/gateway/day02/CglibTest.java b/gateway/src/test/java/com/xgh/gateway/day02/CglibTest.java
new file mode 100644
index 0000000..98b4361
--- /dev/null
+++ b/gateway/src/test/java/com/xgh/gateway/day02/CglibTest.java
@@ -0,0 +1,43 @@
+package com.xgh.gateway.day02;
+
+import com.alibaba.fastjson.JSON;
+import net.sf.cglib.core.Signature;
+import net.sf.cglib.proxy.Enhancer;
+import net.sf.cglib.proxy.InterfaceMaker;
+import net.sf.cglib.proxy.MethodInterceptor;
+import net.sf.cglib.proxy.MethodProxy;
+import org.junit.Test;
+import org.objectweb.asm.Type;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class CglibTest implements MethodInterceptor {
+
+ @Override
+ public Object intercept(Object o, Method method, Object[] objects, MethodProxy methodProxy) throws Throwable {
+ return JSON.toJSONString(objects);
+ }
+
+ @Test
+ public void test_cglib() throws NoSuchMethodException, InvocationTargetException, IllegalAccessException, NoSuchFieldException {
+ // 定义接口
+ InterfaceMaker interfaceMaker = new InterfaceMaker();
+ interfaceMaker.add(new Signature("sayHi", Type.getType(String.class), new Type[]{Type.getType(String.class)}), null);
+ Class interfaceClass = interfaceMaker.create();
+
+ // 创建代理
+ Enhancer enhancer = new Enhancer();
+ enhancer.setSuperclass(Object.class);
+ enhancer.setInterfaces(new Class[]{interfaceClass});
+ enhancer.setCallback(this);
+ Object obj = enhancer.create();
+
+ // 调用方法
+ Method method = obj.getClass().getMethod("sayHi", String.class);
+ Object result = method.invoke(obj,"hi xiaofuge");
+
+ System.out.println(result);
+ }
+
+}
\ No newline at end of file
diff --git a/gateway/src/test/java/com/xgh/gateway/day02/RPCTest.java b/gateway/src/test/java/com/xgh/gateway/day02/RPCTest.java
new file mode 100644
index 0000000..c74b0b0
--- /dev/null
+++ b/gateway/src/test/java/com/xgh/gateway/day02/RPCTest.java
@@ -0,0 +1,47 @@
+package com.xgh.gateway.day02;
+
+import org.apache.dubbo.config.ApplicationConfig;
+import org.apache.dubbo.config.ReferenceConfig;
+import org.apache.dubbo.config.RegistryConfig;
+import org.apache.dubbo.config.bootstrap.DubboBootstrap;
+import org.apache.dubbo.config.utils.ReferenceConfigCache;
+import org.apache.dubbo.rpc.service.GenericService;
+import org.junit.Test;
+
+/**
+ * 泛化调用测试
+ * 官网案例：https://dubbo.apache.org/zh/docs/advanced/generic-reference/
+ */
+public class RPCTest {
+
+ @Test
+ public void test_rpc() {
+
+ ApplicationConfig application = new ApplicationConfig();
+ application.setName("api-gateway-test");
+ application.setQosEnable(false);
+
+ RegistryConfig registry = new RegistryConfig();
+ registry.setAddress("zookeeper://127.0.0.1:2181");
+ registry.setRegister(false);
+
+ ReferenceConfig reference = new ReferenceConfig<>();
+ reference.setInterface("cn.bugstack.gateway.rpc.IActivityBooth");
+ reference.setVersion("1.0.0");
+ reference.setGeneric("true");
+
+ DubboBootstrap bootstrap = DubboBootstrap.getInstance();
+ bootstrap.application(application)
+ .registry(registry)
+ .reference(reference)
+ .start();
+
+ ReferenceConfigCache cache = ReferenceConfigCache.getCache();
+ GenericService genericService = cache.get(reference);
+
+ Object result = genericService.$invoke("sayHi", new String[]{"java.lang.String"}, new Object[]{"world"});
+
+ System.out.println(result);
+ }
+
+}
diff --git a/mvnw b/mvnw
new file mode 100644
index 0000000..3c8a553
--- /dev/null
+++ b/mvnw
@@ -0,0 +1,322 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+# JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+# M2_HOME - location of maven2's installed home dir
+# MAVEN_OPTS - parameters passed to the Java VM when running Maven
+# e.g. to debug Maven itself, use
+# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ]; then
+
+ if [ -f /etc/mavenrc ]; then
+ . /etc/mavenrc
+ fi
+
+ if [ -f "$HOME/.mavenrc" ]; then
+ . "$HOME/.mavenrc"
+ fi
+
+fi
+
+# OS specific support. $var _must_ be set to either true or false.
+cygwin=false
+darwin=false
+mingw=false
+case "$(uname)" in
+CYGWIN*) cygwin=true ;;
+MINGW*) mingw=true ;;
+Darwin*)
+ darwin=true
+ # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+ # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+ if [ -z "$JAVA_HOME" ]; then
+ if [ -x "/usr/libexec/java_home" ]; then
+ export JAVA_HOME="$(/usr/libexec/java_home)"
+ else
+ export JAVA_HOME="/Library/Java/Home"
+ fi
+ fi
+ ;;
+esac
+
+if [ -z "$JAVA_HOME" ]; then
+ if [ -r /etc/gentoo-release ]; then
+ JAVA_HOME=$(java-config --jre-home)
+ fi
+fi
+
+if [ -z "$M2_HOME" ]; then
+ ## resolve links - $0 may be a link to maven's home
+ PRG="$0"
+
+ # need this for relative symlinks
+ while [ -h "$PRG" ]; do
+ ls=$(ls -ld "$PRG")
+ link=$(expr "$ls" : '.*-> \(.*\)$')
+ if expr "$link" : '/.*' >/dev/null; then
+ PRG="$link"
+ else
+ PRG="$(dirname "$PRG")/$link"
+ fi
+ done
+
+ saveddir=$(pwd)
+
+ M2_HOME=$(dirname "$PRG")/..
+
+ # make it fully qualified
+ M2_HOME=$(cd "$M2_HOME" && pwd)
+
+ cd "$saveddir"
+ # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME=$(cygpath --unix "$M2_HOME")
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME=$(cygpath --unix "$JAVA_HOME")
+ [ -n "$CLASSPATH" ] &&
+ CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME="$( (
+ cd "$M2_HOME"
+ pwd
+ ))"
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME="$( (
+ cd "$JAVA_HOME"
+ pwd
+ ))"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+ javaExecutable="$(which javac)"
+ if [ -n "$javaExecutable" ] && ! [ "$(expr \"$javaExecutable\" : '\([^ ]*\)')" = "no" ]; then
+ # readlink(1) is not available as standard on Solaris 10.
+ readLink=$(which readlink)
+ if [ ! $(expr "$readLink" : '\([^ ]*\)') = "no" ]; then
+ if $darwin; then
+ javaHome="$(dirname \"$javaExecutable\")"
+ javaExecutable="$(cd \"$javaHome\" && pwd -P)/javac"
+ else
+ javaExecutable="$(readlink -f \"$javaExecutable\")"
+ fi
+ javaHome="$(dirname \"$javaExecutable\")"
+ javaHome=$(expr "$javaHome" : '\(.*\)/bin')
+ JAVA_HOME="$javaHome"
+ export JAVA_HOME
+ fi
+ fi
+fi
+
+if [ -z "$JAVACMD" ]; then
+ if [ -n "$JAVA_HOME" ]; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ]; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ else
+ JAVACMD="$(which java)"
+ fi
+fi
+
+if [ ! -x "$JAVACMD" ]; then
+ echo "Error: JAVA_HOME is not defined correctly." >&2
+ echo " We cannot execute $JAVACMD" >&2
+ exit 1
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+ echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+ if [ -z "$1" ]; then
+ echo "Path not specified to find_maven_basedir"
+ return 1
+ fi
+
+ basedir="$1"
+ wdir="$1"
+ while [ "$wdir" != '/' ]; do
+ if [ -d "$wdir"/.mvn ]; then
+ basedir=$wdir
+ break
+ fi
+ # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+ if [ -d "${wdir}" ]; then
+ wdir=$(
+ cd "$wdir/.."
+ pwd
+ )
+ fi
+ # end of workaround
+ done
+ echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+ if [ -f "$1" ]; then
+ echo "$(tr -s '\n' ' ' <"$1")"
+ fi
+}
+
+BASE_DIR=$(find_maven_basedir "$(pwd)")
+if [ -z "$BASE_DIR" ]; then
+ exit 1
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found .mvn/wrapper/maven-wrapper.jar"
+ fi
+else
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+ fi
+ if [ -n "$MVNW_REPOURL" ]; then
+ jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+ else
+ jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+ fi
+ while IFS="=" read key value; do
+ case "$key" in wrapperUrl)
+ jarUrl="$value"
+ break
+ ;;
+ esac
+ done <"$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Downloading from: $jarUrl"
+ fi
+ wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+ if $cygwin; then
+ wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath")
+ fi
+
+ if command -v wget >/dev/null; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found wget ... using wget"
+ fi
+ if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+ wget "$jarUrl" -O "$wrapperJarPath"
+ else
+ wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
+ fi
+ elif command -v curl >/dev/null; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found curl ... using curl"
+ fi
+ if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+ curl -o "$wrapperJarPath" "$jarUrl" -f
+ else
+ curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+ fi
+
+ else
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Falling back to using Java to download"
+ fi
+ javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+ # For Cygwin, switch paths to Windows format before running javac
+ if $cygwin; then
+ javaClass=$(cygpath --path --windows "$javaClass")
+ fi
+ if [ -e "$javaClass" ]; then
+ if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo " - Compiling MavenWrapperDownloader.java ..."
+ fi
+ # Compiling the Java class
+ ("$JAVA_HOME/bin/javac" "$javaClass")
+ fi
+ if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+ # Running the downloader
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo " - Running MavenWrapperDownloader.java ..."
+ fi
+ ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+ fi
+ fi
+ fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+ echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME=$(cygpath --path --windows "$M2_HOME")
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME")
+ [ -n "$CLASSPATH" ] &&
+ CLASSPATH=$(cygpath --path --windows "$CLASSPATH")
+ [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+ MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR")
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+ $MAVEN_OPTS \
+ -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+ "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+ ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/mvnw.cmd b/mvnw.cmd
new file mode 100644
index 0000000..c8d4337
--- /dev/null
+++ b/mvnw.cmd
@@ -0,0 +1,182 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements. See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership. The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License. You may obtain a copy of the License at
+@REM
+@REM https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied. See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+
+FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+ IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Found %WRAPPER_JAR%
+ )
+) else (
+ if not "%MVNW_REPOURL%" == "" (
+ SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+ )
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Couldn't find %WRAPPER_JAR%, downloading it ...
+ echo Downloading from: %DOWNLOAD_URL%
+ )
+
+ powershell -Command "&{"^
+ "$webclient = new-object System.Net.WebClient;"^
+ "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+ "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+ "}"^
+ "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+ "}"
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Finished downloading %WRAPPER_JAR%
+ )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..9e0ee98
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,109 @@
+
+
+ 4.0.0
+ pom
+
+ gateway
+
+
+ org.springframework.boot
+ spring-boot-starter-parent
+ 2.4.5
+
+
+ com.xgh
+ test
+ 0.0.1-SNAPSHOT
+ test
+ Demo project for Spring Boot
+
+ 1.8
+
+
+
+ org.springframework.boot
+ spring-boot-starter-web
+
+
+
+ org.springframework.boot
+ spring-boot-starter-test
+ test
+
+
+ org.springframework.restdocs
+ spring-restdocs-mockmvc
+ test
+
+
+ org.springframework.boot
+ spring-boot
+ 2.4.5
+
+
+ org.projectlombok
+ lombok
+
+
+ org.assertj
+ assertj-core
+
+
+ junit
+ junit
+
+
+
+ com.google.guava
+ guava-testlib
+ 30.1.1-jre
+ test
+
+
+ cn.hutool
+ hutool-core
+ 5.6.3
+
+
+ redis.clients
+ jedis
+ 2.7.1
+
+
+
+
+
+
+ org.asciidoctor
+ asciidoctor-maven-plugin
+ 1.5.8
+
+
+ generate-docs
+ prepare-package
+
+ process-asciidoc
+
+
+ html
+ book
+
+
+
+
+
+ org.springframework.restdocs
+ spring-restdocs-asciidoctor
+ ${spring-restdocs.version}
+
+
+
+
+ org.springframework.boot
+ spring-boot-maven-plugin
+
+
+
+
+
diff --git a/src/main/java/com/xgh/test/TestApplication.java b/src/main/java/com/xgh/test/TestApplication.java
new file mode 100644
index 0000000..863fb1a
--- /dev/null
+++ b/src/main/java/com/xgh/test/TestApplication.java
@@ -0,0 +1,13 @@
+package com.xgh.test;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class TestApplication {
+
+ public static void main(String[] args) {
+ SpringApplication.run(TestApplication.class, args);
+ }
+
+}
diff --git a/src/main/java/com/xgh/test/algorithms/array/ArrayList.java b/src/main/java/com/xgh/test/algorithms/array/ArrayList.java
new file mode 100644
index 0000000..e43c2fb
--- /dev/null
+++ b/src/main/java/com/xgh/test/algorithms/array/ArrayList.java
@@ -0,0 +1,65 @@
+package com.xgh.test.algorithms.array;
+
+import java.util.Arrays;
+
+public class ArrayList implements List {
+
+
+ /**
+ * 默认初始化空间
+ */
+ private static final int DEFAULT_CAPACITY = 10;
+
+ /**
+ * 空元素
+ */
+ private static final Object[] DEFAULTCAPACITY_EMPTY_ELEMENTDATA = {};
+
+ /**
+ * 元素数组缓冲区
+ */
+ transient Object[] elementData;
+
+ /**
+ * 元素个数
+ */
+ private int size;
+
+
+ @Override
+ public boolean add(E e) {
+ //确保内部容量
+ int minCapacity = size + 1;
+ if (elementData == DEFAULTCAPACITY_EMPTY_ELEMENTDATA) {
+ minCapacity = Math.max(DEFAULT_CAPACITY, minCapacity);
+ }
+ //判断扩容
+ if (minCapacity - elementData.length > 0) {
+ int oldCapacity = elementData.length;
+ int newCapacity = oldCapacity + (oldCapacity >> 1);
+ if(newCapacity -minCapacity < 0){
+ newCapacity = minCapacity;
+ }
+ elementData = Arrays.copyOf(elementData,newCapacity);
+ }
+ //添加原始
+ elementData[size++] = e;
+ return true;
+ }
+
+ @Override
+ public E remove(int index) {
+ E oldElement =(E) elementData[index];
+ int numMoved = size - index - 1;
+ if(numMoved > 0){
+ System.arraycopy(elementData,index+1,elementData,index,numMoved);
+ }
+ elementData[--size] = null;
+ return oldElement;
+ }
+
+ @Override
+ public E get(int index) {
+ return (E) elementData[index];
+ }
+}
diff --git a/src/main/java/com/xgh/test/algorithms/array/List.java b/src/main/java/com/xgh/test/algorithms/array/List.java
new file mode 100644
index 0000000..98d4573
--- /dev/null
+++ b/src/main/java/com/xgh/test/algorithms/array/List.java
@@ -0,0 +1,10 @@
+package com.xgh.test.algorithms.array;
+
+public interface List{
+
+ boolean add(E e);
+
+ E remove(int index);
+
+ E get(int index);
+}
diff --git a/src/main/java/com/xgh/test/algorithms/link/LinkedList.java b/src/main/java/com/xgh/test/algorithms/link/LinkedList.java
new file mode 100644
index 0000000..50b7e0f
--- /dev/null
+++ b/src/main/java/com/xgh/test/algorithms/link/LinkedList.java
@@ -0,0 +1,164 @@
+package com.xgh.test.algorithms.link;
+
+
+public class LinkedList implements List {
+
+ transient int size = 0;
+
+ transient Node first;
+
+ transient Node last;
+
+ public LinkedList() {
+
+
+ }
+
+ void linkFirst(E e) {
+ final Node f = first;
+ final Node newNode = new Node<>(null, e, f);
+ first = newNode;
+ if (f == null) {
+ last = newNode;
+ } else {
+ f.prev = newNode;
+ }
+ size++;
+ }
+
+ void linkLast(E e) {
+ final Node l = last;
+ final Node newNode = new Node<>(l, e, null);
+ last = newNode;
+ if (l == null) {
+ first = newNode;
+ } else {
+ l.next = newNode;
+ }
+ size++;
+ }
+
+ @Override
+ public boolean add(E e) {
+ linkLast(e);
+ return true;
+ }
+
+ @Override
+ public boolean addFirst(E e) {
+ linkFirst(e);
+ return true;
+ }
+
+ @Override
+ public boolean addLast(E e) {
+ linkLast(e);
+ return true;
+ }
+
+ @Override
+ public boolean remove(Object o) {
+ if (o == null) {
+ for (Node x = first; x != null; x = x.next) {
+ if (x.item == null) {
+ unLink(x);
+ return true;
+ }
+ }
+ } else {
+ for (Node x = first; x != null; x = x.next) {
+ if (o.equals(x.item)) {
+ unLink(x);
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ @Override
+ public E get(int index) {
+ return node(index).item;
+ }
+
+
+ @Override
+ public void printLinkList() {
+ if (this.size == 0) {
+ System.out.println("链表为空");
+ } else {
+ Node temp = first;
+ System.out.print("目前的列表，头节点：" + first.item + " 尾节点：" + last.item + " 整体：");
+ while (temp != null) {
+ System.out.print(temp.item + "，");
+ temp = temp.next;
+ }
+ System.out.println();
+ }
+ }
+
+ E unLink(Node x) {
+ final E element = x.item;
+ final Node prev = x.prev;
+ final Node next = x.next;
+ if (prev == null) {
+ first = next;
+ } else {
+ prev.next = next;
+ x.prev = null;
+ }
+ if (next == null) {
+ last = prev;
+ } else {
+ next.prev = prev;
+ x.next = null;
+ }
+ x.item = null;
+ size--;
+ return element;
+ }
+
+ private Node node(int index) {
+ Node x;
+ if (index < (size >> 1)) {
+ x = first;
+ for (int i = 0; i < index; i++) {
+ x = x.next;
+ }
+ } else {
+ x = last;
+ for (int i = size - 1; i > index; i--) {
+ x = x.prev;
+ }
+ }
+ return x;
+ }
+
+ private static class Node {
+ E item;
+ Node next;
+ Node prev;
+
+ public Node(Node prev, E item, Node next) {
+ this.item = item;
+ this.next = next;
+ this.prev = prev;
+ }
+ }
+
+ public static void main(String[] args) {
+ List list = new LinkedList<>();
+ // 添加元素
+ list.add("a");
+ list.addFirst("b");
+ list.addLast("c");
+ // 打印列表
+ list.printLinkList();
+ // 头插元素
+ list.addFirst("d");
+ // 删除元素
+ list.remove("b");
+ // 打印列表
+ list.printLinkList();
+ }
+}
diff --git a/src/main/java/com/xgh/test/algorithms/link/List.java b/src/main/java/com/xgh/test/algorithms/link/List.java
new file mode 100644
index 0000000..2670fca
--- /dev/null
+++ b/src/main/java/com/xgh/test/algorithms/link/List.java
@@ -0,0 +1,18 @@
+package com.xgh.test.algorithms.link;
+
+public interface List {
+
+ boolean add(E e);
+
+ boolean addFirst(E e);
+
+ boolean addLast(E e);
+
+ boolean remove(Object o);
+
+ E get(int index);
+
+ void printLinkList();
+
+
+}
diff --git a/src/main/java/com/xgh/test/design/IdGenerator.java b/src/main/java/com/xgh/test/design/IdGenerator.java
new file mode 100644
index 0000000..10ca5c5
--- /dev/null
+++ b/src/main/java/com/xgh/test/design/IdGenerator.java
@@ -0,0 +1,54 @@
+package com.xgh.test.design;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.security.SecureRandom;
+import java.util.Random;
+
+/**
+ * com.xgh.test.design.IdGenerator
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月08日
+ */
+
+public class IdGenerator {
+ private static final Logger logger = LoggerFactory.getLogger(IdGenerator.class);
+
+ public static String generate() {
+ String id = "";
+ try {
+ String hostName = InetAddress.getLocalHost().getHostName();
+ String[] tokens = hostName.split("\\.");
+ if (tokens.length > 0) {
+ hostName = tokens[tokens.length - 1];
+ }
+ char[] randomChars = new char[8];
+ int count = 0;
+ SecureRandom random = new SecureRandom();
+ while (count < 8) {
+ int randomAscii = random.nextInt(122);
+ if (randomAscii >= 48 && randomAscii <= 57) {
+ randomChars[count] = (char)('0' + (randomAscii - 48));
+ count++;
+ } else if (randomAscii >= 65 && randomAscii <= 90) {
+ randomChars[count] = (char)('A' + (randomAscii - 65));
+ count++;
+ } else if (randomAscii >= 97 && randomAscii <= 122) {
+ randomChars[count] = (char)('a' + (randomAscii - 97));
+ count++;
+ }
+ }
+ id = String.format("%s-%d-%s", hostName,
+ System.currentTimeMillis(), new String(randomChars));
+ } catch (UnknownHostException e) {
+ logger.warn("Failed to get the host name.", e);
+ }
+
+ return id;
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/com/xgh/test/design/STATUS.java b/src/main/java/com/xgh/test/design/STATUS.java
new file mode 100644
index 0000000..001a54d
--- /dev/null
+++ b/src/main/java/com/xgh/test/design/STATUS.java
@@ -0,0 +1,20 @@
+package com.xgh.test.design;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+
+@AllArgsConstructor
+public enum STATUS {
+ //排序字段
+ TO_BE_EXECUTD(0," order_time desc"),
+ EXECUTED(1," write_off_time DESC"),
+ EXPIRED(2," update_time DESC"),
+ FAILED(2," update_time DESC"),
+
+ ;
+ private int value;
+ private String name;
+
+
+}
diff --git a/src/main/java/com/xgh/test/design/Transaction.java b/src/main/java/com/xgh/test/design/Transaction.java
new file mode 100644
index 0000000..e32aaee
--- /dev/null
+++ b/src/main/java/com/xgh/test/design/Transaction.java
@@ -0,0 +1,118 @@
+package com.xgh.test.design;
+
+
+import lombok.Data;
+import org.springframework.util.IdGenerator;
+
+import javax.transaction.InvalidTransactionException;
+
+/**
+ * com.xgh.test.design.Transaction
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月07日
+ */
+@Data
+public class Transaction {
+
+ private String id;
+ private Long buyerId;
+ private Long sellerId;
+
+ private Long productId;
+
+ private Long orderId;
+
+ private Long createTimestamp;
+
+ private Double amount=0.0;
+
+ private STATUS status;
+
+ private String walletTransactionId;
+
+ private WalletRpcService walletRpcService;
+
+ public void setWalletRpcService(WalletRpcService walletRpcService) {
+ this.walletRpcService = walletRpcService;
+ }
+
+ public Transaction(String preAssignedId, Long buyerId, Long sellerId, Long productId, Long orderId) {
+ if (preAssignedId != null && !preAssignedId.isEmpty()) {
+ this.id = preAssignedId;
+ } else {
+ this.id = "12313131";
+ }
+ if (!this.id.startsWith("t_")) {
+ this.id = "t_" + preAssignedId;
+ }
+
+ this.buyerId = buyerId;
+ this.sellerId = sellerId;
+ this.productId = productId;
+ this.orderId = orderId;
+ this.status = STATUS.TO_BE_EXECUTD;
+ this.createTimestamp = System.currentTimeMillis();
+ }
+
+ public boolean execute() throws InvalidTransactionException {
+ if (buyerId == null || (sellerId == null || amount < 0.0)) {
+ throw new InvalidTransactionException("111");
+ }
+ if (status == STATUS.EXECUTED) {
+ return true;
+ }
+ boolean isLocked = false;
+ try {
+ isLocked = getLock(id);
+ if (!isLocked) {
+ return false;
+ }
+ if (status == STATUS.EXECUTED) {
+ return true;
+ }
+ long executionInvokedTimestamp = System.currentTimeMillis();
+ if (executionInvokedTimestamp - createTimestamp > 14) {
+ this.status = STATUS.EXPIRED;
+ return false;
+ }
+ String walletTransactionId = walletRpcService.moveMoney(id, buyerId, sellerId, amount);
+ if (walletTransactionId != null) {
+ this.status = STATUS.EXECUTED;
+ this.walletTransactionId = walletTransactionId;
+ return true;
+ } else {
+ this.status = STATUS.FAILED;
+ return false;
+ }
+
+ } finally {
+ if (isLocked) {
+ unlock(id);
+ }
+ }
+ }
+
+ private void unlock(String id) {
+
+
+ }
+
+ private boolean getLock(String id) {
+ return true;
+ }
+
+ public static void main(String[] args) {
+ Integer[] a = new Integer[]{1,2,3,4,5};
+
+ a[2] = 5;
+ for (Integer integer : a) {
+ System.out.println(integer);
+ }
+
+
+ }
+
+
+}
diff --git a/src/main/java/com/xgh/test/design/WalletRpcService.java b/src/main/java/com/xgh/test/design/WalletRpcService.java
new file mode 100644
index 0000000..ec77e7c
--- /dev/null
+++ b/src/main/java/com/xgh/test/design/WalletRpcService.java
@@ -0,0 +1,13 @@
+package com.xgh.test.design;
+
+/**
+ * com.xgh.test.design.WalletRpcService
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月08日
+ */
+public interface WalletRpcService {
+
+ String moveMoney(String id, Long fromUserId, Long toUserId, Double amount);
+}
diff --git a/src/main/java/com/xgh/test/design/WalletRpcServiceOne.java b/src/main/java/com/xgh/test/design/WalletRpcServiceOne.java
new file mode 100644
index 0000000..cc9cd23
--- /dev/null
+++ b/src/main/java/com/xgh/test/design/WalletRpcServiceOne.java
@@ -0,0 +1,15 @@
+package com.xgh.test.design;
+
+/**
+ * com.xgh.test.design.WalletRpcServiceOne
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月08日
+ */
+public class WalletRpcServiceOne implements WalletRpcService{
+ @Override
+ public String moveMoney(String id, Long fromUserId, Long toUserId, Double amount) {
+ return "213112abc";
+ }
+}
diff --git a/src/main/java/com/xgh/test/design/WalletRpcServiceTwo.java b/src/main/java/com/xgh/test/design/WalletRpcServiceTwo.java
new file mode 100644
index 0000000..1fd9995
--- /dev/null
+++ b/src/main/java/com/xgh/test/design/WalletRpcServiceTwo.java
@@ -0,0 +1,15 @@
+package com.xgh.test.design;
+
+/**
+ * com.xgh.test.design.WalletRpcServiceTwo
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月08日
+ */
+public class WalletRpcServiceTwo implements WalletRpcService{
+ @Override
+ public String moveMoney(String id, Long fromUserId, Long toUserId, Double amount) {
+ return null;
+ }
+}
diff --git a/src/main/java/com/xgh/test/design/id/IdGenerator.java b/src/main/java/com/xgh/test/design/id/IdGenerator.java
new file mode 100644
index 0000000..0497c88
--- /dev/null
+++ b/src/main/java/com/xgh/test/design/id/IdGenerator.java
@@ -0,0 +1,12 @@
+package com.xgh.test.design.id;
+
+/**
+ * com.xgh.test.design.id.IdGenerator
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月08日
+ */
+public interface IdGenerator {
+ String generate();
+}
diff --git a/src/main/java/com/xgh/test/design/id/LogTraceIdGenerator.java b/src/main/java/com/xgh/test/design/id/LogTraceIdGenerator.java
new file mode 100644
index 0000000..5e78113
--- /dev/null
+++ b/src/main/java/com/xgh/test/design/id/LogTraceIdGenerator.java
@@ -0,0 +1,11 @@
+package com.xgh.test.design.id;
+
+/**
+ * com.xgh.test.design.id.LogTraceIdGenerator
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月08日
+ */
+public interface LogTraceIdGenerator extends IdGenerator{
+}
diff --git a/src/main/java/com/xgh/test/design/id/RandomIdGenerator.java b/src/main/java/com/xgh/test/design/id/RandomIdGenerator.java
new file mode 100644
index 0000000..feb9b82
--- /dev/null
+++ b/src/main/java/com/xgh/test/design/id/RandomIdGenerator.java
@@ -0,0 +1,65 @@
+package com.xgh.test.design.id;
+
+import org.assertj.core.util.VisibleForTesting;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.security.SecureRandom;
+import java.util.Random;
+
+/**
+ * com.xgh.test.design.id.RandomIdGenerator
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月08日
+ */
+
+public class RandomIdGenerator implements LogTraceIdGenerator {
+ private static final Logger logger = LoggerFactory.getLogger(RandomIdGenerator.class);
+
+ @Override
+ public String generate() {
+ String substrOfHostName = getLastfieldOfHostName();
+ long currentTimeMillis = System.currentTimeMillis();
+ String randomString = generateRandomAlphameric(8);
+ return String.format("%s-%d-%s", substrOfHostName, currentTimeMillis, randomString);
+ }
+
+ private String getLastfieldOfHostName() {
+ String substrOfHostName = null;
+ try {
+ String hostName = InetAddress.getLocalHost().getHostName();
+ substrOfHostName = getLastSubstrSplittedByDot(hostName);
+ } catch (UnknownHostException e) {
+ logger.warn("Failed to get the host name.", e);
+ }
+ return substrOfHostName;
+ }
+
+ @VisibleForTesting
+ protected String getLastSubstrSplittedByDot(String hostName) {
+ String[] tokens = hostName.split("\\.");
+ return tokens[tokens.length - 1];
+ }
+
+ private String generateRandomAlphameric(int length) {
+ char[] randomChars = new char[length];
+ int count = 0;
+ SecureRandom random = new SecureRandom();
+ while (count < length) {
+ int maxAscii = 'z';
+ int randomAscii = random.nextInt(maxAscii);
+ boolean isDigit = randomAscii >= '0' && randomAscii <= '9';
+ boolean isUppercase = randomAscii >= 'A' && randomAscii <= 'Z';
+ boolean isLowercase = randomAscii >= 'a' && randomAscii <= 'z';
+ if (isDigit || isUppercase || isLowercase) {
+ randomChars[count] = (char) (randomAscii);
+ ++count;
+ }
+ }
+ return new String(randomChars);
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/com/xgh/test/design/id/RandomIdGeneratorTest.java b/src/main/java/com/xgh/test/design/id/RandomIdGeneratorTest.java
new file mode 100644
index 0000000..af72ac7
--- /dev/null
+++ b/src/main/java/com/xgh/test/design/id/RandomIdGeneratorTest.java
@@ -0,0 +1,57 @@
+package com.xgh.test.design.id;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * com.xgh.test.design.id.RandomIdGeneratorTest
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月08日
+ */
+public class RandomIdGeneratorTest {
+ @Test
+ public void testGetLastSubstrSplittedByDot() {
+ RandomIdGenerator idGenerator = new RandomIdGenerator();
+ String actualSubstr = idGenerator.getLastSubstrSplittedByDot("field1.field2.field3");
+ Assert.assertEquals("field3", actualSubstr);
+ actualSubstr = idGenerator.getLastSubstrSplittedByDot("field1");
+ Assert.assertEquals("field1", actualSubstr);
+ actualSubstr = idGenerator.getLastSubstrSplittedByDot("field1#field2$field3");
+ Assert.assertEquals("field1#field2#field3", actualSubstr);
+ }
+
+ // 此单元测试会失败，因为我们在代码中没有处理hostName为null或空字符串的情况
+ // 这部分优化留在第36、37节课中讲解
+ @Test
+ public void testGetLastSubstrSplittedByDot_nullOrEmpty() {
+ RandomIdGenerator idGenerator = new RandomIdGenerator();
+ String actualSubstr = idGenerator.getLastSubstrSplittedByDot(null);
+ Assert.assertNull(actualSubstr);
+ actualSubstr = idGenerator.getLastSubstrSplittedByDot("");
+ Assert.assertEquals("", actualSubstr);
+ }
+
+ @Test
+ public void testGenerateRandomAlphameric() {
+ RandomIdGenerator idGenerator = new RandomIdGenerator();
+ //String actualRandomString = idGenerator.generateRandomAlphameric(6);
+ // Assert.assertNotNull(actualRandomString);
+ // Assert.assertEquals(6, actualRandomString.length());
+ /* for (char c : actualRandomString.toCharArray()) {
+ Assert.assertTrue(('0' < c && c < '9') || ('a' < c && c < 'z') || ('A' < c && c < 'Z'));
+ }*/
+ }
+
+ // 此单元测试会失败，因为我们在代码中没有处理length<=0的情况
+// 这部分优化留在第36、37节课中讲解
+ @Test
+ public void testGenerateRandomAlphameric_lengthEqualsOrLessThanZero() {
+ RandomIdGenerator idGenerator = new RandomIdGenerator();
+ // String actualRandomString = idGenerator.generateRandomAlphameric(0);
+ // Assert.assertEquals("", actualRandomString);
+ // actualRandomString = idGenerator.generateRandomAlphameric(-1);
+ // Assert.assertNull(actualRandomString);
+ }
+}
diff --git a/src/main/java/com/xgh/test/redis/lock/RedisWithReentrantLock.java b/src/main/java/com/xgh/test/redis/lock/RedisWithReentrantLock.java
new file mode 100644
index 0000000..765a50e
--- /dev/null
+++ b/src/main/java/com/xgh/test/redis/lock/RedisWithReentrantLock.java
@@ -0,0 +1,83 @@
+package com.xgh.test.redis.lock;
+
+import redis.clients.jedis.*;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class RedisWithReentrantLock {
+
+ private ThreadLocal> lockers = new ThreadLocal<>();
+
+ private Jedis jedis;
+
+ public RedisWithReentrantLock(Jedis jedis) {
+ this.jedis = jedis;
+ }
+
+ private boolean _lock(String key) {
+ return jedis.set(key, "", "nx", "ex", 5L) != null;
+ }
+
+ private void _unlock(String key) {
+ jedis.del(key);
+ }
+
+
+ private Map currentLockers() {
+ Map refs = lockers.get();
+ if (refs != null) {
+ return refs;
+ }
+ lockers.set(new HashMap<>());
+ return lockers.get();
+ }
+
+ public boolean lock(String key) {
+ Map refs = currentLockers();
+ Integer refCnt = refs.get(key);
+ if (refCnt != null) {
+ refs.put(key, refCnt + 1);
+ return true;
+ }
+ boolean ok = this._lock(key);
+ if (!ok) {
+ return false;
+ }
+ refs.put(key, 1);
+ return true;
+ }
+
+
+ public boolean unlock(String key) {
+ Map refs = currentLockers();
+
+ Integer refCnt = refs.get(key);
+ if (refCnt == null) {
+ return false;
+ }
+ refCnt -= 1;
+ if (refCnt > 0) {
+ refs.put(key, refCnt);
+ } else {
+ refs.remove(key);
+ this._unlock(key);
+ }
+ return true;
+ }
+
+ public static void main(String[] args) {
+ Jedis jedis = new Jedis("192.168.220.131", 6379);
+ jedis.auth("123456");
+ RedisWithReentrantLock redisWithReentrantLock = new RedisWithReentrantLock(jedis);
+
+ System.out.println(redisWithReentrantLock.lock("books1"));
+ System.out.println(redisWithReentrantLock.lock("books1"));
+ System.out.println(redisWithReentrantLock.unlock("books1"));
+ System.out.println(redisWithReentrantLock.unlock("books1"));
+
+
+ }
+
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step02/BeanFactory.java b/src/main/java/com/xgh/test/spring/step02/BeanFactory.java
new file mode 100644
index 0000000..4dca71d
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step02/BeanFactory.java
@@ -0,0 +1,17 @@
+package com.xgh.test.spring.step02;
+
+
+/**
+ * com.xgh.test.spring.step02.BeanFactory
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月12日
+ */
+public interface BeanFactory {
+
+ public Object getBean(String beanName) throws BeansException;
+
+ Object getBean(String beanName,Object... args )throws BeansException;
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step02/BeansException.java b/src/main/java/com/xgh/test/spring/step02/BeansException.java
new file mode 100644
index 0000000..437c2e9
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step02/BeansException.java
@@ -0,0 +1,19 @@
+package com.xgh.test.spring.step02;
+
+/**
+ * com.xgh.test.spring.step02.BeansException
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月17日
+ */
+public class BeansException extends RuntimeException{
+
+ public BeansException(String message) {
+ super(message);
+ }
+
+ public BeansException(String message, Throwable cause) {
+ super(message, cause);
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step02/config/BeanDefinition.java b/src/main/java/com/xgh/test/spring/step02/config/BeanDefinition.java
new file mode 100644
index 0000000..f43863d
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step02/config/BeanDefinition.java
@@ -0,0 +1,25 @@
+package com.xgh.test.spring.step02.config;
+
+/**
+ * com.xgh.test.spring.step02.config.BeanDefinition
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月17日
+ */
+public class BeanDefinition {
+
+ private Class beanClass;
+
+ public BeanDefinition(Class beanClass) {
+ this.beanClass = beanClass;
+ }
+
+ public Class getBeanClass() {
+ return beanClass;
+ }
+
+ public void setBeanClass(Class beanClass) {
+ this.beanClass = beanClass;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step02/config/SingletonBeanRegistry.java b/src/main/java/com/xgh/test/spring/step02/config/SingletonBeanRegistry.java
new file mode 100644
index 0000000..983259e
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step02/config/SingletonBeanRegistry.java
@@ -0,0 +1,13 @@
+package com.xgh.test.spring.step02.config;
+
+/**
+ * com.xgh.test.spring.step02.config.SingletonBeanRegistry
+ *
+ * @author xgh
+ * @description 单例bean注册
+ * @date 2021年08月17日
+ */
+public interface SingletonBeanRegistry {
+
+ Object getSingleton(String beanName);
+}
diff --git a/src/main/java/com/xgh/test/spring/step02/support/AbstractAutowireCapableBeanFactory.java b/src/main/java/com/xgh/test/spring/step02/support/AbstractAutowireCapableBeanFactory.java
new file mode 100644
index 0000000..b854250
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step02/support/AbstractAutowireCapableBeanFactory.java
@@ -0,0 +1,54 @@
+package com.xgh.test.spring.step02.support;
+
+import com.xgh.test.spring.step02.BeansException;
+import com.xgh.test.spring.step02.config.BeanDefinition;
+
+import java.lang.reflect.Constructor;
+
+/**
+ * com.xgh.test.spring.step02.support.AbstractAutowireCapableBeanFactory
+ *
+ * @author xgh
+ * @description 实例化bean类
+ * @date 2021年08月17日
+ */
+public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFactory{
+
+ private InstantiationStrategy instantiationStrategy = new CglibSubclassingInstantiationStrategy();
+
+ @Override
+ protected Object creatBean(String beanName, BeanDefinition beanDefinition, Object... args) throws BeansException {
+ Object bean = null;
+ try {
+ //todo 有参实现
+ // bean = beanDefinition.getBeanClass().newInstance();
+ bean = creatBeanInstance(beanDefinition,beanName,args);
+
+ } catch (Exception e) {
+ throw new BeansException("Instantiation of bean fail",e);
+ }
+ addSingleton(beanName,bean);
+ return bean;
+ }
+
+ protected Object creatBeanInstance(BeanDefinition beanDefinition, String beanName, Object[] args){
+ Constructor constructorToUser = null;
+ Class beanClass = beanDefinition.getBeanClass();
+ Constructor[] declaredConstructors = beanClass.getDeclaredConstructors();
+ for (Constructor ctor : declaredConstructors) {
+ if(null != args && ctor.getParameterTypes().length == args.length){
+ constructorToUser = ctor;
+ break;
+ }
+ }
+ return getInstantiationStrategy().instantiate(beanDefinition,beanName,constructorToUser,args);
+ };
+
+ public InstantiationStrategy getInstantiationStrategy() {
+ return instantiationStrategy;
+ }
+
+ public void setInstantiationStrategy(InstantiationStrategy instantiationStrategy) {
+ this.instantiationStrategy = instantiationStrategy;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step02/support/AbstractBeanFactory.java b/src/main/java/com/xgh/test/spring/step02/support/AbstractBeanFactory.java
new file mode 100644
index 0000000..1a2a7b7
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step02/support/AbstractBeanFactory.java
@@ -0,0 +1,40 @@
+package com.xgh.test.spring.step02.support;
+
+import com.xgh.test.spring.step02.BeanFactory;
+import com.xgh.test.spring.step02.BeansException;
+import com.xgh.test.spring.step02.config.BeanDefinition;
+
+/**
+ * com.xgh.test.spring.step02.support.AbstractBeanFactory
+ *
+ * @author xgh
+ * @description 抽象类定义模板方法
+ * @date 2021年08月17日
+ */
+public abstract class AbstractBeanFactory extends DefaultSingletonBeanRegistry implements BeanFactory {
+
+ @Override
+ public Object getBean(String beanName) throws BeansException {
+ return doGetBean(beanName,null);
+ }
+
+ @Override
+ public Object getBean(String beanName, Object... args) throws BeansException {
+ return doGetBean(beanName,args);
+ }
+
+ protected T doGetBean(String beanName, Object[] args){
+ Object bean = getSingleton(beanName);
+ if(bean != null){
+ return (T) bean;
+ }
+ BeanDefinition beanDefinition = getBeanDefinition(beanName);
+ return (T) creatBean(beanName,beanDefinition,args);
+
+ }
+
+ protected abstract Object creatBean(String beanName, BeanDefinition beanDefinition, Object... args) throws BeansException;
+
+ protected abstract BeanDefinition getBeanDefinition(String beanName) throws BeansException ;
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step02/support/BeanDefinitionRegistry.java b/src/main/java/com/xgh/test/spring/step02/support/BeanDefinitionRegistry.java
new file mode 100644
index 0000000..15bdb2d
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step02/support/BeanDefinitionRegistry.java
@@ -0,0 +1,16 @@
+package com.xgh.test.spring.step02.support;
+
+import com.xgh.test.spring.step02.config.BeanDefinition;
+
+/**
+ * com.xgh.test.spring.step02.support.BeanDefinitionRegistry
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月17日
+ */
+public interface BeanDefinitionRegistry {
+
+ public void registerBeanDefinition(String beanName, BeanDefinition beanDefinition);
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step02/support/CglibSubclassingInstantiationStrategy.java b/src/main/java/com/xgh/test/spring/step02/support/CglibSubclassingInstantiationStrategy.java
new file mode 100644
index 0000000..2dce42e
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step02/support/CglibSubclassingInstantiationStrategy.java
@@ -0,0 +1,35 @@
+package com.xgh.test.spring.step02.support;
+
+import com.xgh.test.spring.step02.config.BeanDefinition;
+import org.springframework.cglib.proxy.Enhancer;
+import org.springframework.cglib.proxy.NoOp;
+
+import java.lang.reflect.Constructor;
+
+/**
+ * com.xgh.test.spring.step02.support.CglibSubclassingInstantiationStrategy
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月17日
+ */
+public class CglibSubclassingInstantiationStrategy implements InstantiationStrategy{
+
+
+ @Override
+ public Object instantiate(BeanDefinition beanDefinition, String beanName, Constructor ctor, Object[] args) {
+ Enhancer enhancer = new Enhancer();
+ enhancer.setSuperclass(beanDefinition.getBeanClass());
+ enhancer.setCallback(new NoOp() {
+ @Override
+ public int hashCode() {
+ return super.hashCode();
+ }
+ });
+ if(null == ctor){
+ return enhancer.create();
+ }
+ return enhancer.create(ctor.getParameterTypes(),args);
+ }
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step02/support/DefaultListableBeanFactory.java b/src/main/java/com/xgh/test/spring/step02/support/DefaultListableBeanFactory.java
new file mode 100644
index 0000000..4addf89
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step02/support/DefaultListableBeanFactory.java
@@ -0,0 +1,33 @@
+package com.xgh.test.spring.step02.support;
+
+import com.xgh.test.spring.step02.BeansException;
+import com.xgh.test.spring.step02.config.BeanDefinition;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * com.xgh.test.spring.step02.support.DefaultListableBeanFactory
+ *
+ * @author xgh
+ * @description 核心实现
+ * @date 2021年08月17日
+ */
+public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFactory implements BeanDefinitionRegistry{
+
+ private Map beanDefinitionMap = new HashMap<>();
+
+ @Override
+ protected BeanDefinition getBeanDefinition(String beanName) throws BeansException {
+ BeanDefinition beanDefinition = beanDefinitionMap.get(beanName);
+ if(null == beanDefinition){
+ throw new BeansException("No bean named '"+ beanName+"' is definde");
+ }
+ return beanDefinition;
+ }
+
+ @Override
+ public void registerBeanDefinition(String beanName, BeanDefinition beanDefinition) {
+ beanDefinitionMap.put(beanName,beanDefinition);
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step02/support/DefaultSingletonBeanRegistry.java b/src/main/java/com/xgh/test/spring/step02/support/DefaultSingletonBeanRegistry.java
new file mode 100644
index 0000000..e6ab2c6
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step02/support/DefaultSingletonBeanRegistry.java
@@ -0,0 +1,27 @@
+package com.xgh.test.spring.step02.support;
+
+import com.xgh.test.spring.step02.config.SingletonBeanRegistry;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * com.xgh.test.spring.step02.support.DefaultSingletinBeanRegistry
+ *
+ * @author xgh
+ * @description 单例实例的获取接口
+ * @date 2021年08月17日
+ */
+public class DefaultSingletonBeanRegistry implements SingletonBeanRegistry {
+
+ private Map singletonObjects = new HashMap<>();
+
+ @Override
+ public Object getSingleton(String beanName) {
+ return singletonObjects.get(beanName);
+ }
+
+ protected void addSingleton(String beanName,Object singletonObject){
+ singletonObjects.put(beanName,singletonObject);
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step02/support/InstantiationStrategy.java b/src/main/java/com/xgh/test/spring/step02/support/InstantiationStrategy.java
new file mode 100644
index 0000000..e3c32ff
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step02/support/InstantiationStrategy.java
@@ -0,0 +1,17 @@
+package com.xgh.test.spring.step02.support;
+
+import com.xgh.test.spring.step02.config.BeanDefinition;
+
+import java.lang.reflect.Constructor;
+
+/**
+ * com.xgh.test.spring.step02.support.InstantionStrategy
+ *
+ * @author xgh
+ * @description 实例化策略
+ * @date 2021年08月17日
+ */
+public interface InstantiationStrategy {
+
+ public Object instantiate(BeanDefinition beanDefinition, String beanName, Constructor ctor,Object[] args);
+}
diff --git a/src/main/java/com/xgh/test/spring/step02/support/SimpleInstantiationStrategy.java b/src/main/java/com/xgh/test/spring/step02/support/SimpleInstantiationStrategy.java
new file mode 100644
index 0000000..c926502
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step02/support/SimpleInstantiationStrategy.java
@@ -0,0 +1,34 @@
+package com.xgh.test.spring.step02.support;
+
+import com.xgh.test.spring.step02.BeansException;
+import com.xgh.test.spring.step02.config.BeanDefinition;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+/**
+ * com.xgh.test.spring.step02.support.SimpleInstantiationStrategy
+ *
+ * @author xgh
+ * @description jdk
+ * @date 2021年08月17日
+ */
+public class SimpleInstantiationStrategy implements InstantiationStrategy {
+
+
+ @Override
+ public Object instantiate(BeanDefinition beanDefinition, String beanName, Constructor ctor, Object[] args) {
+ Class clazz = beanDefinition.getBeanClass();
+ try {
+ if (null != ctor) {
+ return clazz.getDeclaredConstructor(ctor.getParameterTypes()).newInstance(args);
+ }else {
+ return clazz.getDeclaredConstructor().newInstance();
+ }
+ }catch(InstantiationException |IllegalAccessException|InvocationTargetException | NoSuchMethodException e) {
+ throw new BeansException("Failed to instantiate["+clazz.getName()+"]",e);
+ }
+ }
+
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/BeanFactory.java b/src/main/java/com/xgh/test/spring/step03/BeanFactory.java
new file mode 100644
index 0000000..29493dc
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/BeanFactory.java
@@ -0,0 +1,17 @@
+package com.xgh.test.spring.step03;
+
+
+/**
+ * com.xgh.test.spring.step02.BeanFactory
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月12日
+ */
+public interface BeanFactory {
+
+ public Object getBean(String beanName) throws BeansException;
+
+ Object getBean(String beanName,Object... args )throws BeansException;
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/BeansException.java b/src/main/java/com/xgh/test/spring/step03/BeansException.java
new file mode 100644
index 0000000..328bb9b
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/BeansException.java
@@ -0,0 +1,19 @@
+package com.xgh.test.spring.step03;
+
+/**
+ * com.xgh.test.spring.step02.BeansException
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月17日
+ */
+public class BeansException extends RuntimeException{
+
+ public BeansException(String message) {
+ super(message);
+ }
+
+ public BeansException(String message, Throwable cause) {
+ super(message, cause);
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/PropertyValue.java b/src/main/java/com/xgh/test/spring/step03/PropertyValue.java
new file mode 100644
index 0000000..c23c05b
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/PropertyValue.java
@@ -0,0 +1,36 @@
+package com.xgh.test.spring.step03;
+
+/**
+ * com.xgh.test.spring.step03.PropertyValue
+ *
+ * @author xgh
+ * @description 属性
+ * @date 2021年08月23日
+ */
+public class PropertyValue {
+
+ private String name;
+
+ private Object value;
+
+ public PropertyValue(String name, Object value) {
+ this.name = name;
+ this.value = value;
+ }
+
+ public Object getValue() {
+ return value;
+ }
+
+ public void setValue(Object value) {
+ this.value = value;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/PropertyValues.java b/src/main/java/com/xgh/test/spring/step03/PropertyValues.java
new file mode 100644
index 0000000..8b1f353
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/PropertyValues.java
@@ -0,0 +1,36 @@
+package com.xgh.test.spring.step03;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * com.xgh.test.spring.step03.PropertyValues
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月23日
+ */
+public class PropertyValues {
+
+ private final List propertyValues = new ArrayList<>();
+
+
+ public void addPropertyValue(PropertyValue propertyValue){
+ this.propertyValues.add(propertyValue);
+ }
+
+
+ public PropertyValue[] getPropertyValues(){
+ return this.propertyValues.toArray(new PropertyValue[0]);
+ }
+
+
+ public PropertyValue getPropertyValue(String name){
+ for (PropertyValue propertyValue : propertyValues) {
+ if(propertyValue.getName().equals(name)){
+ return propertyValue;
+ }
+ }
+ return null;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/config/BeanDefinition.java b/src/main/java/com/xgh/test/spring/step03/config/BeanDefinition.java
new file mode 100644
index 0000000..12d724d
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/config/BeanDefinition.java
@@ -0,0 +1,44 @@
+package com.xgh.test.spring.step03.config;
+
+import com.xgh.test.spring.step03.PropertyValues;
+
+/**
+ * com.xgh.test.spring.step02.config.BeanDefinition
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月17日
+ */
+public class BeanDefinition {
+
+ private Class beanClass;
+
+ private PropertyValues propertyValues;
+
+
+ public BeanDefinition(Class beanClass) {
+ this.beanClass = beanClass;
+ this.propertyValues = new PropertyValues();
+ }
+
+ public BeanDefinition(Class beanClass, PropertyValues propertyValues) {
+ this.beanClass = beanClass;
+ this.propertyValues = propertyValues != null ? propertyValues : new PropertyValues();
+ }
+
+ public Class getBeanClass() {
+ return beanClass;
+ }
+
+ public void setBeanClass(Class beanClass) {
+ this.beanClass = beanClass;
+ }
+
+ public PropertyValues getPropertyValues() {
+ return propertyValues;
+ }
+
+ public void setPropertyValues(PropertyValues propertyValues) {
+ this.propertyValues = propertyValues;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/config/BeanReference.java b/src/main/java/com/xgh/test/spring/step03/config/BeanReference.java
new file mode 100644
index 0000000..0b12e8f
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/config/BeanReference.java
@@ -0,0 +1,25 @@
+package com.xgh.test.spring.step03.config;
+
+/**
+ * com.xgh.test.spring.step03.config.BeanReference
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月23日
+ */
+public class BeanReference {
+
+ private String beanName;
+
+ public BeanReference(String beanName) {
+ this.beanName = beanName;
+ }
+
+ public String getBeanName() {
+ return beanName;
+ }
+
+ public void setBeanName(String beanName) {
+ this.beanName = beanName;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/config/SingletonBeanRegistry.java b/src/main/java/com/xgh/test/spring/step03/config/SingletonBeanRegistry.java
new file mode 100644
index 0000000..c53f58f
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/config/SingletonBeanRegistry.java
@@ -0,0 +1,13 @@
+package com.xgh.test.spring.step03.config;
+
+/**
+ * com.xgh.test.spring.step02.config.SingletonBeanRegistry
+ *
+ * @author xgh
+ * @description 单例bean注册
+ * @date 2021年08月17日
+ */
+public interface SingletonBeanRegistry {
+
+ Object getSingleton(String beanName);
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/support/AbstractAutowireCapableBeanFactory.java b/src/main/java/com/xgh/test/spring/step03/support/AbstractAutowireCapableBeanFactory.java
new file mode 100644
index 0000000..18135c4
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/support/AbstractAutowireCapableBeanFactory.java
@@ -0,0 +1,78 @@
+package com.xgh.test.spring.step03.support;
+
+import cn.hutool.core.bean.BeanUtil;
+import com.xgh.test.spring.step03.BeansException;
+import com.xgh.test.spring.step03.PropertyValue;
+import com.xgh.test.spring.step03.PropertyValues;
+import com.xgh.test.spring.step03.config.BeanDefinition;
+import com.xgh.test.spring.step03.config.BeanReference;
+
+import java.lang.reflect.Constructor;
+
+/**
+ * com.xgh.test.spring.step02.support.AbstractAutowireCapableBeanFactory
+ *
+ * @author xgh
+ * @description 实例化bean类
+ * @date 2021年08月17日
+ */
+public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFactory {
+
+ private InstantiationStrategy instantiationStrategy = new CglibSubclassingInstantiationStrategy();
+
+ @Override
+ protected Object creatBean(String beanName, BeanDefinition beanDefinition, Object... args) throws BeansException {
+ Object bean = null;
+ try {
+
+ bean = creatBeanInstance(beanDefinition,beanName,args);
+ //设置参数
+ applyPropertyValues(beanName,bean,beanDefinition);
+ } catch (Exception e) {
+ throw new BeansException("Instantiation of bean fail",e);
+ }
+ addSingleton(beanName,bean);
+ return bean;
+ }
+
+
+ protected Object creatBeanInstance(BeanDefinition beanDefinition, String beanName, Object[] args){
+ Constructor constructorToUser = null;
+ Class beanClass = beanDefinition.getBeanClass();
+ Constructor[] declaredConstructors = beanClass.getDeclaredConstructors();
+ for (Constructor ctor : declaredConstructors) {
+ if(null != args && ctor.getParameterTypes().length == args.length){
+ constructorToUser = ctor;
+ break;
+ }
+ }
+ return getInstantiationStrategy().instantiate(beanDefinition,beanName,constructorToUser,args);
+ };
+
+ protected void applyPropertyValues(String beanName, Object bean, BeanDefinition beanDefinition){
+ try {
+ PropertyValues propertyValues = beanDefinition.getPropertyValues();
+ for (PropertyValue propertyValue : propertyValues.getPropertyValues()) {
+ String name = propertyValue.getName();
+ Object value = propertyValue.getValue();
+ if(value instanceof BeanReference){
+ //a依赖b
+ BeanReference beanReference = (BeanReference)value;
+ value = getBean(beanReference.getBeanName());
+ }
+ BeanUtil.setFieldValue(bean,name,value);
+ }
+ }catch (Exception e){
+ throw new BeansException("Error setting property values" + beanName);
+ }
+
+
+ };
+ public InstantiationStrategy getInstantiationStrategy() {
+ return instantiationStrategy;
+ }
+
+ public void setInstantiationStrategy(InstantiationStrategy instantiationStrategy) {
+ this.instantiationStrategy = instantiationStrategy;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/support/AbstractBeanFactory.java b/src/main/java/com/xgh/test/spring/step03/support/AbstractBeanFactory.java
new file mode 100644
index 0000000..d9a124b
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/support/AbstractBeanFactory.java
@@ -0,0 +1,40 @@
+package com.xgh.test.spring.step03.support;
+
+import com.xgh.test.spring.step03.BeanFactory;
+import com.xgh.test.spring.step03.BeansException;
+import com.xgh.test.spring.step03.config.BeanDefinition;
+
+/**
+ * com.xgh.test.spring.step02.support.AbstractBeanFactory
+ *
+ * @author xgh
+ * @description 抽象类定义模板方法
+ * @date 2021年08月17日
+ */
+public abstract class AbstractBeanFactory extends DefaultSingletonBeanRegistry implements BeanFactory {
+
+ @Override
+ public Object getBean(String beanName) throws BeansException {
+ return doGetBean(beanName,null);
+ }
+
+ @Override
+ public Object getBean(String beanName, Object... args) throws BeansException {
+ return doGetBean(beanName,args);
+ }
+
+ protected T doGetBean(String beanName, Object[] args){
+ Object bean = getSingleton(beanName);
+ if(bean != null){
+ return (T) bean;
+ }
+ BeanDefinition beanDefinition = getBeanDefinition(beanName);
+ return (T) creatBean(beanName,beanDefinition,args);
+
+ }
+
+ protected abstract Object creatBean(String beanName, BeanDefinition beanDefinition, Object... args) throws BeansException;
+
+ protected abstract BeanDefinition getBeanDefinition(String beanName) throws BeansException;
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/support/BeanDefinitionRegistry.java b/src/main/java/com/xgh/test/spring/step03/support/BeanDefinitionRegistry.java
new file mode 100644
index 0000000..df32d54
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/support/BeanDefinitionRegistry.java
@@ -0,0 +1,16 @@
+package com.xgh.test.spring.step03.support;
+
+import com.xgh.test.spring.step03.config.BeanDefinition;
+
+/**
+ * com.xgh.test.spring.step02.support.BeanDefinitionRegistry
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月17日
+ */
+public interface BeanDefinitionRegistry {
+
+ public void registerBeanDefinition(String beanName, BeanDefinition beanDefinition);
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/support/CglibSubclassingInstantiationStrategy.java b/src/main/java/com/xgh/test/spring/step03/support/CglibSubclassingInstantiationStrategy.java
new file mode 100644
index 0000000..9539c0e
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/support/CglibSubclassingInstantiationStrategy.java
@@ -0,0 +1,35 @@
+package com.xgh.test.spring.step03.support;
+
+import com.xgh.test.spring.step03.config.BeanDefinition;
+import org.springframework.cglib.proxy.Enhancer;
+import org.springframework.cglib.proxy.NoOp;
+
+import java.lang.reflect.Constructor;
+
+/**
+ * com.xgh.test.spring.step02.support.CglibSubclassingInstantiationStrategy
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月17日
+ */
+public class CglibSubclassingInstantiationStrategy implements InstantiationStrategy {
+
+
+ @Override
+ public Object instantiate(BeanDefinition beanDefinition, String beanName, Constructor ctor, Object[] args) {
+ Enhancer enhancer = new Enhancer();
+ enhancer.setSuperclass(beanDefinition.getBeanClass());
+ enhancer.setCallback(new NoOp() {
+ @Override
+ public int hashCode() {
+ return super.hashCode();
+ }
+ });
+ if(null == ctor){
+ return enhancer.create();
+ }
+ return enhancer.create(ctor.getParameterTypes(),args);
+ }
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/support/DefaultListableBeanFactory.java b/src/main/java/com/xgh/test/spring/step03/support/DefaultListableBeanFactory.java
new file mode 100644
index 0000000..ec92193
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/support/DefaultListableBeanFactory.java
@@ -0,0 +1,33 @@
+package com.xgh.test.spring.step03.support;
+
+import com.xgh.test.spring.step03.BeansException;
+import com.xgh.test.spring.step03.config.BeanDefinition;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * com.xgh.test.spring.step02.support.DefaultListableBeanFactory
+ *
+ * @author xgh
+ * @description 核心实现
+ * @date 2021年08月17日
+ */
+public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFactory implements BeanDefinitionRegistry {
+
+ private Map beanDefinitionMap = new HashMap<>();
+
+ @Override
+ protected BeanDefinition getBeanDefinition(String beanName) throws BeansException {
+ BeanDefinition beanDefinition = beanDefinitionMap.get(beanName);
+ if(null == beanDefinition){
+ throw new BeansException("No bean named '"+ beanName+"' is definde");
+ }
+ return beanDefinition;
+ }
+
+ @Override
+ public void registerBeanDefinition(String beanName, BeanDefinition beanDefinition) {
+ beanDefinitionMap.put(beanName,beanDefinition);
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/support/DefaultSingletonBeanRegistry.java b/src/main/java/com/xgh/test/spring/step03/support/DefaultSingletonBeanRegistry.java
new file mode 100644
index 0000000..8093308
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/support/DefaultSingletonBeanRegistry.java
@@ -0,0 +1,27 @@
+package com.xgh.test.spring.step03.support;
+
+import com.xgh.test.spring.step03.config.SingletonBeanRegistry;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * com.xgh.test.spring.step02.support.DefaultSingletinBeanRegistry
+ *
+ * @author xgh
+ * @description 单例实例的获取接口
+ * @date 2021年08月17日
+ */
+public class DefaultSingletonBeanRegistry implements SingletonBeanRegistry {
+
+ private Map singletonObjects = new HashMap<>();
+
+ @Override
+ public Object getSingleton(String beanName) {
+ return singletonObjects.get(beanName);
+ }
+
+ protected void addSingleton(String beanName,Object singletonObject){
+ singletonObjects.put(beanName,singletonObject);
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/support/InstantiationStrategy.java b/src/main/java/com/xgh/test/spring/step03/support/InstantiationStrategy.java
new file mode 100644
index 0000000..238508a
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/support/InstantiationStrategy.java
@@ -0,0 +1,17 @@
+package com.xgh.test.spring.step03.support;
+
+import com.xgh.test.spring.step03.config.BeanDefinition;
+
+import java.lang.reflect.Constructor;
+
+/**
+ * com.xgh.test.spring.step02.support.InstantionStrategy
+ *
+ * @author xgh
+ * @description 实例化策略
+ * @date 2021年08月17日
+ */
+public interface InstantiationStrategy {
+
+ public Object instantiate(BeanDefinition beanDefinition, String beanName, Constructor ctor, Object[] args);
+}
diff --git a/src/main/java/com/xgh/test/spring/step03/support/SimpleInstantiationStrategy.java b/src/main/java/com/xgh/test/spring/step03/support/SimpleInstantiationStrategy.java
new file mode 100644
index 0000000..bf664f0
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step03/support/SimpleInstantiationStrategy.java
@@ -0,0 +1,34 @@
+package com.xgh.test.spring.step03.support;
+
+import com.xgh.test.spring.step03.BeansException;
+import com.xgh.test.spring.step03.config.BeanDefinition;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+/**
+ * com.xgh.test.spring.step02.support.SimpleInstantiationStrategy
+ *
+ * @author xgh
+ * @description jdk
+ * @date 2021年08月17日
+ */
+public class SimpleInstantiationStrategy implements InstantiationStrategy {
+
+
+ @Override
+ public Object instantiate(BeanDefinition beanDefinition, String beanName, Constructor ctor, Object[] args) {
+ Class clazz = beanDefinition.getBeanClass();
+ try {
+ if (null != ctor) {
+ return clazz.getDeclaredConstructor(ctor.getParameterTypes()).newInstance(args);
+ }else {
+ return clazz.getDeclaredConstructor().newInstance();
+ }
+ }catch(InstantiationException |IllegalAccessException|InvocationTargetException | NoSuchMethodException e) {
+ throw new BeansException("Failed to instantiate["+clazz.getName()+"]",e);
+ }
+ }
+
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/BeansException.java b/src/main/java/com/xgh/test/spring/step04/beans/BeansException.java
new file mode 100644
index 0000000..f8f3c30
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/BeansException.java
@@ -0,0 +1,19 @@
+package com.xgh.test.spring.step04.beans;
+
+/**
+ * com.xgh.test.spring.step02.BeansException
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月17日
+ */
+public class BeansException extends RuntimeException{
+
+ public BeansException(String message) {
+ super(message);
+ }
+
+ public BeansException(String message, Throwable cause) {
+ super(message, cause);
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/PropertyValue.java b/src/main/java/com/xgh/test/spring/step04/beans/PropertyValue.java
new file mode 100644
index 0000000..3b0f144
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/PropertyValue.java
@@ -0,0 +1,36 @@
+package com.xgh.test.spring.step04.beans;
+
+/**
+ * com.xgh.test.spring.step03.PropertyValue
+ *
+ * @author xgh
+ * @description 属性
+ * @date 2021年08月23日
+ */
+public class PropertyValue {
+
+ private String name;
+
+ private Object value;
+
+ public PropertyValue(String name, Object value) {
+ this.name = name;
+ this.value = value;
+ }
+
+ public Object getValue() {
+ return value;
+ }
+
+ public void setValue(Object value) {
+ this.value = value;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/PropertyValues.java b/src/main/java/com/xgh/test/spring/step04/beans/PropertyValues.java
new file mode 100644
index 0000000..0f64508
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/PropertyValues.java
@@ -0,0 +1,36 @@
+package com.xgh.test.spring.step04.beans;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * com.xgh.test.spring.step03.PropertyValues
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月23日
+ */
+public class PropertyValues {
+
+ private final List propertyValues = new ArrayList<>();
+
+
+ public void addPropertyValue(PropertyValue propertyValue){
+ this.propertyValues.add(propertyValue);
+ }
+
+
+ public PropertyValue[] getPropertyValues(){
+ return this.propertyValues.toArray(new PropertyValue[0]);
+ }
+
+
+ public PropertyValue getPropertyValue(String name){
+ for (PropertyValue propertyValue : propertyValues) {
+ if(propertyValue.getName().equals(name)){
+ return propertyValue;
+ }
+ }
+ return null;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/BeanFactory.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/BeanFactory.java
new file mode 100644
index 0000000..56f4e4a
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/BeanFactory.java
@@ -0,0 +1,23 @@
+package com.xgh.test.spring.step04.beans.factory;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+
+/**
+ * com.xgh.test.spring.step04.beans.factory.BeanFactory
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月27日
+ */
+public interface BeanFactory {
+
+
+ public Object getBean(String beanName) throws BeansException;
+
+ T getBean(String beanName,Class requiredType);
+
+ Object getBean(String beanName,Object... args )throws BeansException;
+
+
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/ConfigurableListableBeanFactory.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/ConfigurableListableBeanFactory.java
new file mode 100644
index 0000000..c42875d
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/ConfigurableListableBeanFactory.java
@@ -0,0 +1,24 @@
+package com.xgh.test.spring.step04.beans.factory;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.factory.config.AutowireCapableBeanFactory;
+import com.xgh.test.spring.step04.beans.factory.config.BeanDefinition;
+import com.xgh.test.spring.step04.beans.factory.config.BeanPostProcessor;
+import com.xgh.test.spring.step04.beans.factory.config.ConfigurableBeanFactory;
+
+/**
+ * com.xgh.test.spring.step04.beans.factory.ConfigurableListableBeanFactory
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月27日
+ */
+public interface ConfigurableListableBeanFactory extends ListableBeanFactory, AutowireCapableBeanFactory, ConfigurableBeanFactory {
+
+ BeanDefinition getBeanDefinition(String beanName) throws BeansException;
+
+ void preInstantiateSingletons() throws BeansException;
+
+
+ void addBeanPostProcessor(BeanPostProcessor beanPostProcessor);
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/DisposableBean.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/DisposableBean.java
new file mode 100644
index 0000000..65a5047
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/DisposableBean.java
@@ -0,0 +1,8 @@
+package com.xgh.test.spring.step04.beans.factory;
+
+public interface DisposableBean {
+
+ void destroy()throws Exception;
+
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/HierarchicalBeanFactory.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/HierarchicalBeanFactory.java
new file mode 100644
index 0000000..e11f4da
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/HierarchicalBeanFactory.java
@@ -0,0 +1,11 @@
+package com.xgh.test.spring.step04.beans.factory;
+
+/**
+ * com.xgh.test.spring.step04.beans.factory.HierarchicalBeanFactory
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月27日
+ */
+public interface HierarchicalBeanFactory extends BeanFactory{
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/InitializingBean.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/InitializingBean.java
new file mode 100644
index 0000000..b59ab20
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/InitializingBean.java
@@ -0,0 +1,14 @@
+package com.xgh.test.spring.step04.beans.factory;
+
+
+/**
+ * 实现此接口的bean对象，会在beanFactory设置属性后做出相应的处理，儒执行自定义初始化，或者仅仅校验是否设置了所有强制属性
+ */
+public interface InitializingBean {
+
+ /**
+ * 处理了属性填充后调用
+ * @throws Exception
+ */
+ void afterPropertiesSet() throws Exception;
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/ListableBeanFactory.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/ListableBeanFactory.java
new file mode 100644
index 0000000..9907fdd
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/ListableBeanFactory.java
@@ -0,0 +1,34 @@
+package com.xgh.test.spring.step04.beans.factory;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+
+import java.util.Map;
+
+/**
+ * com.xgh.test.spring.step04.beans.factory.ListableBeanFactory
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月27日
+ */
+public interface ListableBeanFactory extends BeanFactory {
+
+
+
+ /*
+ * @description 按类型返回实例
+ * @date 2021/8/27 0027
+ * @param type
+ * @return java.util.Map
+ */
+ Map getBeansOfType(Class type) throws BeansException;
+
+
+ /*
+ * @description 返回所以bean的name
+ * @date 2021/8/27 0027
+ * @return java.lang.String[]
+ */
+ String[] getBeanDefinitionNames();
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/config/AutowireCapableBeanFactory.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/AutowireCapableBeanFactory.java
new file mode 100644
index 0000000..05d8c4e
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/AutowireCapableBeanFactory.java
@@ -0,0 +1,15 @@
+package com.xgh.test.spring.step04.beans.factory.config;
+
+
+import com.xgh.test.spring.step04.beans.factory.BeanFactory;
+
+/**
+ * com.xgh.test.spring.step04.beans.factory.config.AutowireCapableBeanFactory
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月27日
+ */
+public interface AutowireCapableBeanFactory extends BeanFactory {
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/config/BeanDefinition.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/BeanDefinition.java
new file mode 100644
index 0000000..bb67517
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/BeanDefinition.java
@@ -0,0 +1,63 @@
+package com.xgh.test.spring.step04.beans.factory.config;
+
+import com.xgh.test.spring.step04.beans.PropertyValues;
+
+/**
+ * com.xgh.test.spring.step02.config.BeanDefinition
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月17日
+ */
+public class BeanDefinition {
+
+ private Class beanClass;
+
+ private PropertyValues propertyValues;
+
+ private String initMethodName;
+
+ private String destroyMethodName;
+
+ public BeanDefinition(Class beanClass) {
+ this.beanClass = beanClass;
+ this.propertyValues = new PropertyValues();
+ }
+
+ public BeanDefinition(Class beanClass, PropertyValues propertyValues) {
+ this.beanClass = beanClass;
+ this.propertyValues = propertyValues != null ? propertyValues : new PropertyValues();
+ }
+
+ public Class getBeanClass() {
+ return beanClass;
+ }
+
+ public void setBeanClass(Class beanClass) {
+ this.beanClass = beanClass;
+ }
+
+ public PropertyValues getPropertyValues() {
+ return propertyValues;
+ }
+
+ public void setPropertyValues(PropertyValues propertyValues) {
+ this.propertyValues = propertyValues;
+ }
+
+ public String getInitMethodName() {
+ return initMethodName;
+ }
+
+ public void setInitMethodName(String initMethodName) {
+ this.initMethodName = initMethodName;
+ }
+
+ public String getDestroyMethodName() {
+ return destroyMethodName;
+ }
+
+ public void setDestroyMethodName(String destroyMethodName) {
+ this.destroyMethodName = destroyMethodName;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/config/BeanFactoryPostProcessor.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/BeanFactoryPostProcessor.java
new file mode 100644
index 0000000..55172a4
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/BeanFactoryPostProcessor.java
@@ -0,0 +1,14 @@
+package com.xgh.test.spring.step04.beans.factory.config;
+
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.factory.ConfigurableListableBeanFactory;
+
+public interface BeanFactoryPostProcessor {
+
+
+ /**
+ * 在所有的beanDefinition加载完成后，实例化bean对象之前，提供修改BeanDefinition属性的机制
+ */
+ void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException;
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/config/BeanPostProcessor.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/BeanPostProcessor.java
new file mode 100644
index 0000000..e1e1763
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/BeanPostProcessor.java
@@ -0,0 +1,25 @@
+package com.xgh.test.spring.step04.beans.factory.config;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+
+public interface BeanPostProcessor {
+
+ /**
+ * 在bean对象执行初始化方法之前，执行此方法
+ * @param bean
+ * @param beanName
+ * @return
+ * @throws BeansException
+ */
+ Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException;
+
+
+ /**
+ * 在bean对象执行初始化完成之后执行此方法
+ * @param bean
+ * @param beanName
+ * @return
+ * @throws BeansException
+ */
+ Object postProcessAfterInitialization(Object bean,String beanName) throws BeansException;
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/config/BeanReference.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/BeanReference.java
new file mode 100644
index 0000000..39acb41
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/BeanReference.java
@@ -0,0 +1,25 @@
+package com.xgh.test.spring.step04.beans.factory.config;
+
+/**
+ * com.xgh.test.spring.step03.config.BeanReference
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月23日
+ */
+public class BeanReference {
+
+ private String beanName;
+
+ public BeanReference(String beanName) {
+ this.beanName = beanName;
+ }
+
+ public String getBeanName() {
+ return beanName;
+ }
+
+ public void setBeanName(String beanName) {
+ this.beanName = beanName;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/config/ConfigurableBeanFactory.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/ConfigurableBeanFactory.java
new file mode 100644
index 0000000..cf9b26b
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/ConfigurableBeanFactory.java
@@ -0,0 +1,24 @@
+package com.xgh.test.spring.step04.beans.factory.config;
+
+import com.xgh.test.spring.step04.beans.factory.HierarchicalBeanFactory;
+
+/**
+ * com.xgh.test.spring.step04.beans.factory.config.ConfigurableBeanFactory
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月27日
+ */
+public interface ConfigurableBeanFactory extends HierarchicalBeanFactory,SingletonBeanRegistry {
+
+ String SCOPE_SINGLETON = "singleton";
+
+ String SCOPE_PROTOTYPE= "prototype";
+
+ void addBeanPostProcessor(BeanPostProcessor beanPostProcessor);
+
+ /**
+ * 销毁单例bean
+ */
+ void destroySingletons();
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/config/SingletonBeanRegistry.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/SingletonBeanRegistry.java
new file mode 100644
index 0000000..3a5e07d
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/config/SingletonBeanRegistry.java
@@ -0,0 +1,13 @@
+package com.xgh.test.spring.step04.beans.factory.config;
+
+/**
+ * com.xgh.test.spring.step02.config.SingletonBeanRegistry
+ *
+ * @author xgh
+ * @description 单例bean注册
+ * @date 2021年08月17日
+ */
+public interface SingletonBeanRegistry {
+
+ Object getSingleton(String beanName);
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/support/AbstractAutowireCapableBeanFactory.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/AbstractAutowireCapableBeanFactory.java
new file mode 100644
index 0000000..e1738c4
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/AbstractAutowireCapableBeanFactory.java
@@ -0,0 +1,151 @@
+package com.xgh.test.spring.step04.beans.factory.support;
+
+import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.util.StrUtil;
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.PropertyValue;
+import com.xgh.test.spring.step04.beans.PropertyValues;
+import com.xgh.test.spring.step04.beans.factory.DisposableBean;
+import com.xgh.test.spring.step04.beans.factory.InitializingBean;
+import com.xgh.test.spring.step04.beans.factory.config.AutowireCapableBeanFactory;
+import com.xgh.test.spring.step04.beans.factory.config.BeanDefinition;
+import com.xgh.test.spring.step04.beans.factory.config.BeanPostProcessor;
+import com.xgh.test.spring.step04.beans.factory.config.BeanReference;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+
+/**
+ * com.xgh.test.spring.step02.support.AbstractAutowireCapableBeanFactory
+ *
+ * @author xgh
+ * @description 实例化bean类
+ * @date 2021年08月17日
+ */
+public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFactory implements AutowireCapableBeanFactory {
+
+ private InstantiationStrategy instantiationStrategy = new CglibSubclassingInstantiationStrategy();
+
+ @Override
+ protected Object creatBean(String beanName, BeanDefinition beanDefinition, Object... args) throws BeansException {
+ Object bean = null;
+ try {
+ bean = creatBeanInstance(beanDefinition,beanName,args);
+ //给bean填充属性
+ applyPropertyValues(beanName,bean,beanDefinition);
+
+ //执行bean的初始化方法和beanPostProcessor的前置后置方法
+ bean = initializeBean(beanName,bean,beanDefinition);
+
+ }catch (Exception e){
+ throw new BeansException("instantiation of bean failed",e);
+ }
+ //注册实现了disposableBean接口的bean
+ registerDisposableBeanIfNecessary(beanName,bean,beanDefinition);
+ addSingleton(beanName,bean);
+ return bean;
+ }
+
+ protected void registerDisposableBeanIfNecessary(String beanName, Object bean, BeanDefinition beanDefinition){
+ if(bean instanceof DisposableBean || StrUtil.isNotEmpty(beanDefinition.getDestroyMethodName())){
+ registerDisposableBean(beanName,new DisposableBeanAdapter(bean,beanName,beanDefinition));
+ }
+ }
+
+
+ protected Object initializeBean(String beanName, Object bean, BeanDefinition beanDefinition){
+ //执行beanPostProcessor before处理
+ Object wrappedBean = applyBeanPostProcessorsBeforeInitialization(bean,beanName);
+ try {
+ //待完成内容invokeInitMethods
+ invokeInitMethods(beanName,wrappedBean,beanDefinition);
+ }catch (Exception e){
+ throw new BeansException("Invocation of init method of bean[" + beanName + "] failed", e);
+ }
+
+ //执行beanPostProcessor after
+ wrappedBean = applyBeanPostProcessorAfterInitialization(bean,beanName);
+ return wrappedBean;
+ }
+
+ private Object applyBeanPostProcessorAfterInitialization(Object existingBean, String beanName) {
+ Object result =existingBean;
+ for (BeanPostProcessor processor : getBeanPostProcessors()) {
+ Object current = processor.postProcessAfterInitialization(result,beanName);
+ if(null == current){
+ return result;
+ }
+ result = current;
+ }
+ return result;
+ }
+
+ private void invokeInitMethods(String beanName, Object bean, BeanDefinition beanDefinition) throws Exception {
+ //1实现接口initializingBean
+ if(bean instanceof InitializingBean){
+ ((InitializingBean) bean).afterPropertiesSet();
+ }
+ //注解配置init-method(判断是否为了避免二次执行)
+ String initMethodName = beanDefinition.getInitMethodName();
+ if(StrUtil.isNotEmpty(initMethodName)){
+ Method initMethod = beanDefinition.getBeanClass().getMethod(initMethodName);
+ if(null == initMethod){
+ throw new BeansException("Could not find an init method named '" + initMethodName + "' on bean with name '" + beanName + "'");
+ }
+ initMethod.invoke(bean);
+ }
+
+ }
+
+ public Object applyBeanPostProcessorsBeforeInitialization(Object existingBean, String beanName){
+ Object result =existingBean;
+ for (BeanPostProcessor processor : getBeanPostProcessors()) {
+ Object current = processor.postProcessBeforeInitialization(result,beanName);
+ if(null == current){
+ return result;
+ }
+ result = current;
+ }
+ return result;
+ };
+
+ protected Object creatBeanInstance(BeanDefinition beanDefinition, String beanName, Object[] args){
+ Constructor constructorToUser = null;
+ Class beanClass = beanDefinition.getBeanClass();
+ Constructor[] declaredConstructors = beanClass.getDeclaredConstructors();
+ for (Constructor ctor : declaredConstructors) {
+ if(null != args && ctor.getParameterTypes().length == args.length){
+ constructorToUser = ctor;
+ break;
+ }
+ }
+ return getInstantiationStrategy().instantiate(beanDefinition,beanName,constructorToUser,args);
+ };
+
+ protected void applyPropertyValues(String beanName, Object bean, BeanDefinition beanDefinition){
+ try {
+ PropertyValues propertyValues = beanDefinition.getPropertyValues();
+ for (PropertyValue propertyValue : propertyValues.getPropertyValues()) {
+ String name = propertyValue.getName();
+ Object value = propertyValue.getValue();
+ if(value instanceof BeanReference){
+ //a依赖b
+ BeanReference beanReference = (BeanReference)value;
+ value = getBean(beanReference.getBeanName());
+ }
+ BeanUtil.setFieldValue(bean,name,value);
+ }
+ }catch (Exception e){
+ throw new BeansException("Error setting property values" + beanName);
+ }
+
+
+ };
+ public InstantiationStrategy getInstantiationStrategy() {
+ return instantiationStrategy;
+ }
+
+ public void setInstantiationStrategy(InstantiationStrategy instantiationStrategy) {
+ this.instantiationStrategy = instantiationStrategy;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/support/AbstractBeanDefinitionReader.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/AbstractBeanDefinitionReader.java
new file mode 100644
index 0000000..64c1c0f
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/AbstractBeanDefinitionReader.java
@@ -0,0 +1,37 @@
+package com.xgh.test.spring.step04.beans.factory.support;
+
+import com.xgh.test.spring.step04.core.io.DefaultResourceLoader;
+import com.xgh.test.spring.step04.core.io.ResourceLoader;
+
+/**
+ * com.xgh.test.spring.step04.beans.factory.support.AbstractBeanDefinitionReader
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月27日
+ */
+public abstract class AbstractBeanDefinitionReader implements BeanDefinitionReader{
+
+ private final BeanDefinitionRegistry registry;
+
+ private ResourceLoader resourceLoader;
+
+ public AbstractBeanDefinitionReader(BeanDefinitionRegistry registry) {
+ this(registry,new DefaultResourceLoader());
+ }
+
+ public AbstractBeanDefinitionReader(BeanDefinitionRegistry registry, ResourceLoader resourceLoader) {
+ this.registry = registry;
+ this.resourceLoader = resourceLoader;
+ }
+
+ @Override
+ public BeanDefinitionRegistry getRegistry() {
+ return registry;
+ }
+
+ @Override
+ public ResourceLoader getResourceLoader() {
+ return resourceLoader;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/support/AbstractBeanFactory.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/AbstractBeanFactory.java
new file mode 100644
index 0000000..5f96fec
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/AbstractBeanFactory.java
@@ -0,0 +1,60 @@
+package com.xgh.test.spring.step04.beans.factory.support;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.factory.BeanFactory;
+import com.xgh.test.spring.step04.beans.factory.config.BeanDefinition;
+import com.xgh.test.spring.step04.beans.factory.config.BeanPostProcessor;
+import com.xgh.test.spring.step04.beans.factory.config.ConfigurableBeanFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * com.xgh.test.spring.step02.support.AbstractBeanFactory
+ *
+ * @author xgh
+ * @description 抽象类定义模板方法
+ * @date 2021年08月17日
+ */
+public abstract class AbstractBeanFactory extends DefaultSingletonBeanRegistry implements ConfigurableBeanFactory {
+
+ private final List beanPostProcessors = new ArrayList<>();
+
+ @Override
+ public Object getBean(String beanName) throws BeansException {
+ return doGetBean(beanName,null);
+ }
+
+ @Override
+ public Object getBean(String beanName, Object... args) throws BeansException {
+ return doGetBean(beanName,args);
+ }
+
+ protected T doGetBean(String beanName, Object[] args){
+ Object bean = getSingleton(beanName);
+ if(bean != null){
+ return (T) bean;
+ }
+ BeanDefinition beanDefinition = getBeanDefinition(beanName);
+ return (T) creatBean(beanName,beanDefinition,args);
+
+ }
+ @Override
+ public T getBean(String beanName, Class requiredType) {
+ return (T)getBean(beanName);
+ }
+
+ protected abstract Object creatBean(String beanName, BeanDefinition beanDefinition, Object... args) throws BeansException;
+
+ protected abstract BeanDefinition getBeanDefinition(String beanName) throws BeansException;
+
+ @Override
+ public void addBeanPostProcessor(BeanPostProcessor beanPostProcessor) {
+ this.beanPostProcessors.remove(beanPostProcessor);
+ this.beanPostProcessors.add(beanPostProcessor);
+ }
+
+ public List getBeanPostProcessors(){
+ return this.beanPostProcessors;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/support/BeanDefinitionReader.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/BeanDefinitionReader.java
new file mode 100644
index 0000000..762f83e
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/BeanDefinitionReader.java
@@ -0,0 +1,28 @@
+package com.xgh.test.spring.step04.beans.factory.support;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.core.io.Resource;
+import com.xgh.test.spring.step04.core.io.ResourceLoader;
+
+/**
+ * com.xgh.test.spring.step04.beans.factory.support.BeanDefinitionReader
+ *
+ * @author xgh
+ * @description bean定义读取接口
+ * @date 2021年08月27日
+ */
+public interface BeanDefinitionReader {
+
+ BeanDefinitionRegistry getRegistry();
+
+ ResourceLoader getResourceLoader();
+
+ void loadBeanDefinitions(Resource resource)throws BeansException;
+
+ void loadBeanDefinitions(Resource... resources) throws BeansException;
+
+ void loadBeanDefinitions(String location) throws BeansException;
+
+ void loadBeanDefinitions(String... locations)throws BeansException;
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/support/BeanDefinitionRegistry.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/BeanDefinitionRegistry.java
new file mode 100644
index 0000000..cb3f63e
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/BeanDefinitionRegistry.java
@@ -0,0 +1,41 @@
+package com.xgh.test.spring.step04.beans.factory.support;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.factory.config.BeanDefinition;
+
+/**
+ * com.xgh.test.spring.step02.support.BeanDefinitionRegistry
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月17日
+ */
+public interface BeanDefinitionRegistry {
+
+ /**
+ * @description 向注册表中注册
+ * @date 2021/8/27 0027
+ * @param beanName
+ * @param beanDefinition
+ */
+ public void registerBeanDefinition(String beanName, BeanDefinition beanDefinition);
+
+
+ BeanDefinition getBeanDefinition(String beanName) throws BeansException;
+
+ /**
+ * @description 判断是否包含指定的beanDefinition
+ * @date 2021/8/27 0027
+ * @param beanName
+ * @return boolean
+ */
+ boolean containsBeanDefinition(String beanName);
+
+ /**
+ * @description 返回注册表所有beanName
+ * @date 2021/8/27 0027
+ * @return java.lang.String[]
+ */
+ String[] getBeanDefinitionNames();
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/support/CglibSubclassingInstantiationStrategy.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/CglibSubclassingInstantiationStrategy.java
new file mode 100644
index 0000000..8cdaa45
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/CglibSubclassingInstantiationStrategy.java
@@ -0,0 +1,35 @@
+package com.xgh.test.spring.step04.beans.factory.support;
+
+import com.xgh.test.spring.step04.beans.factory.config.BeanDefinition;
+import org.springframework.cglib.proxy.Enhancer;
+import org.springframework.cglib.proxy.NoOp;
+
+import java.lang.reflect.Constructor;
+
+/**
+ * com.xgh.test.spring.step02.support.CglibSubclassingInstantiationStrategy
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月17日
+ */
+public class CglibSubclassingInstantiationStrategy implements InstantiationStrategy {
+
+
+ @Override
+ public Object instantiate(BeanDefinition beanDefinition, String beanName, Constructor ctor, Object[] args) {
+ Enhancer enhancer = new Enhancer();
+ enhancer.setSuperclass(beanDefinition.getBeanClass());
+ enhancer.setCallback(new NoOp() {
+ @Override
+ public int hashCode() {
+ return super.hashCode();
+ }
+ });
+ if(null == ctor){
+ return enhancer.create();
+ }
+ return enhancer.create(ctor.getParameterTypes(),args);
+ }
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/support/DefaultListableBeanFactory.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/DefaultListableBeanFactory.java
new file mode 100644
index 0000000..5360b2a
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/DefaultListableBeanFactory.java
@@ -0,0 +1,65 @@
+package com.xgh.test.spring.step04.beans.factory.support;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.factory.ConfigurableListableBeanFactory;
+import com.xgh.test.spring.step04.beans.factory.config.BeanDefinition;
+import com.xgh.test.spring.step04.beans.factory.config.ConfigurableBeanFactory;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * com.xgh.test.spring.step02.support.DefaultListableBeanFactory
+ *
+ * @author xgh
+ * @description 核心实现
+ * @date 2021年08月17日
+ */
+public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFactory implements BeanDefinitionRegistry, ConfigurableListableBeanFactory {
+
+ private Map beanDefinitionMap = new HashMap<>();
+
+
+ @Override
+ public void registerBeanDefinition(String beanName, BeanDefinition beanDefinition) {
+ beanDefinitionMap.put(beanName,beanDefinition);
+ }
+
+ @Override
+ public boolean containsBeanDefinition(String beanName) {
+ return beanDefinitionMap.containsKey(beanName);
+ }
+
+ @Override
+ public Map getBeansOfType(Class type) throws BeansException {
+ Map result = new HashMap<>();
+ beanDefinitionMap.forEach((beanName,beanDefinition)->{
+ Class beanClass = beanDefinition.getBeanClass();
+ if(type.isAssignableFrom(beanClass)){
+ result.put(beanName,(T) getBean(beanName));
+ }
+ });
+ return result;
+ }
+
+ @Override
+ public String[] getBeanDefinitionNames() {
+ return beanDefinitionMap.keySet().toArray(new String[0]);
+ }
+
+ @Override
+ public BeanDefinition getBeanDefinition(String beanName) throws BeansException {
+ BeanDefinition beanDefinition = beanDefinitionMap.get(beanName);
+ if(null == beanDefinition){
+ throw new BeansException("No bean named '"+ beanName+"' is definded");
+ }
+ return beanDefinition;
+ }
+
+ @Override
+ public void preInstantiateSingletons() throws BeansException {
+ beanDefinitionMap.keySet().forEach(this::getBean);
+ }
+
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/support/DefaultSingletonBeanRegistry.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/DefaultSingletonBeanRegistry.java
new file mode 100644
index 0000000..bdafd82
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/DefaultSingletonBeanRegistry.java
@@ -0,0 +1,51 @@
+package com.xgh.test.spring.step04.beans.factory.support;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.factory.DisposableBean;
+import com.xgh.test.spring.step04.beans.factory.config.SingletonBeanRegistry;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * com.xgh.test.spring.step02.support.DefaultSingletinBeanRegistry
+ *
+ * @author xgh
+ * @description 单例实例的获取接口
+ * @date 2021年08月17日
+ */
+public class DefaultSingletonBeanRegistry implements SingletonBeanRegistry {
+
+ private Map singletonObjects = new HashMap<>();
+
+ private final Map disposableBeans = new HashMap<>();
+
+ @Override
+ public Object getSingleton(String beanName) {
+ return singletonObjects.get(beanName);
+ }
+
+ protected void addSingleton(String beanName,Object singletonObject){
+ singletonObjects.put(beanName,singletonObject);
+ }
+
+ public void registerDisposableBean(String beanName,DisposableBean bean){
+ disposableBeans.put(beanName,bean);
+ }
+
+
+ public void destroySingletons(){
+ Set keySet= this.disposableBeans.keySet();
+ Object[] disposableBeanNames = keySet.toArray();
+ for (int i = disposableBeanNames.length-1 ; i >= 0; i--){
+ Object beanName = disposableBeanNames[i];
+ DisposableBean disposableBean = disposableBeans.remove(beanName);
+ try {
+ disposableBean.destroy();
+ }catch (Exception e){
+ throw new BeansException("Destroy method on bean with name '" + beanName + "' threw an exception", e);
+ }
+ }
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/support/DisposableBeanAdapter.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/DisposableBeanAdapter.java
new file mode 100644
index 0000000..3d719bb
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/DisposableBeanAdapter.java
@@ -0,0 +1,43 @@
+package com.xgh.test.spring.step04.beans.factory.support;
+
+import cn.hutool.core.util.StrUtil;
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.factory.DisposableBean;
+import com.xgh.test.spring.step04.beans.factory.config.BeanDefinition;
+
+import java.lang.reflect.Method;
+
+
+/**
+ * bean 实例销毁步鄹
+ */
+public class DisposableBeanAdapter implements DisposableBean {
+
+ private final Object bean;
+
+ private final String beanName;
+
+ private String destroyMethodName;
+
+ public DisposableBeanAdapter(Object bean, String beanName, BeanDefinition beanDefinition) {
+ this.bean = bean;
+ this.beanName = beanName;
+ this.destroyMethodName = beanDefinition.getDestroyMethodName();
+ }
+
+ @Override
+ public void destroy() throws Exception {
+ if(bean instanceof DisposableBean){
+ ((DisposableBean) bean).destroy();
+ }
+ //注解配置destroy-method(判断是为了必维二次执行销毁)
+ if(StrUtil.isNotEmpty(destroyMethodName) && !(bean instanceof DisposableBean && "destroy".equals(this.destroyMethodName))){
+ Method destroyMethod = bean.getClass().getMethod(destroyMethodName);
+ if(null == destroyMethod){
+ throw new BeansException("Couldn't find a destroy method named '" + destroyMethodName + "' on bean with name '" + beanName + "'");
+ }
+ destroyMethod.invoke(bean);
+ }
+
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/support/InstantiationStrategy.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/InstantiationStrategy.java
new file mode 100644
index 0000000..abc3e52
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/InstantiationStrategy.java
@@ -0,0 +1,17 @@
+package com.xgh.test.spring.step04.beans.factory.support;
+
+import com.xgh.test.spring.step04.beans.factory.config.BeanDefinition;
+
+import java.lang.reflect.Constructor;
+
+/**
+ * com.xgh.test.spring.step02.support.InstantionStrategy
+ *
+ * @author xgh
+ * @description 实例化策略
+ * @date 2021年08月17日
+ */
+public interface InstantiationStrategy {
+
+ public Object instantiate(BeanDefinition beanDefinition, String beanName, Constructor ctor, Object[] args);
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/support/SimpleInstantiationStrategy.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/SimpleInstantiationStrategy.java
new file mode 100644
index 0000000..29c9d6a
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/support/SimpleInstantiationStrategy.java
@@ -0,0 +1,34 @@
+package com.xgh.test.spring.step04.beans.factory.support;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.factory.config.BeanDefinition;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+/**
+ * com.xgh.test.spring.step02.support.SimpleInstantiationStrategy
+ *
+ * @author xgh
+ * @description jdk
+ * @date 2021年08月17日
+ */
+public class SimpleInstantiationStrategy implements InstantiationStrategy {
+
+
+ @Override
+ public Object instantiate(BeanDefinition beanDefinition, String beanName, Constructor ctor, Object[] args) {
+ Class clazz = beanDefinition.getBeanClass();
+ try {
+ if (null != ctor) {
+ return clazz.getDeclaredConstructor(ctor.getParameterTypes()).newInstance(args);
+ }else {
+ return clazz.getDeclaredConstructor().newInstance();
+ }
+ }catch(InstantiationException |IllegalAccessException|InvocationTargetException | NoSuchMethodException e) {
+ throw new BeansException("Failed to instantiate["+clazz.getName()+"]",e);
+ }
+ }
+
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/beans/factory/xml/XmlBeanDefinitionReader.java b/src/main/java/com/xgh/test/spring/step04/beans/factory/xml/XmlBeanDefinitionReader.java
new file mode 100644
index 0000000..e845d5b
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/beans/factory/xml/XmlBeanDefinitionReader.java
@@ -0,0 +1,121 @@
+package com.xgh.test.spring.step04.beans.factory.xml;
+
+import cn.hutool.core.util.StrUtil;
+import cn.hutool.core.util.XmlUtil;
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.PropertyValue;
+import com.xgh.test.spring.step04.beans.factory.config.BeanDefinition;
+import com.xgh.test.spring.step04.beans.factory.config.BeanReference;
+import com.xgh.test.spring.step04.beans.factory.support.AbstractBeanDefinitionReader;
+import com.xgh.test.spring.step04.beans.factory.support.BeanDefinitionRegistry;
+import com.xgh.test.spring.step04.core.io.Resource;
+import com.xgh.test.spring.step04.core.io.ResourceLoader;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * com.xgh.test.spring.step04.beans.factory.xml.XmlBeanDefinitionReader
+ *
+ * @author xgh
+ * @description 解析xml处理bean注册
+ * @date 2021年08月27日
+ */
+public class XmlBeanDefinitionReader extends AbstractBeanDefinitionReader {
+
+
+ public XmlBeanDefinitionReader(BeanDefinitionRegistry registry) {
+ super(registry);
+ }
+
+ public XmlBeanDefinitionReader(BeanDefinitionRegistry registry, ResourceLoader resourceLoader) {
+ super(registry, resourceLoader);
+ }
+
+ @Override
+ public void loadBeanDefinitions(Resource resource) throws BeansException {
+
+ try {
+ try (InputStream inputStream = resource.getInputStream()) {
+ doLoadBeanDefinitions(inputStream);
+ }
+ } catch (IOException | ClassNotFoundException e) {
+ throw new BeansException("IOException parsing XML document form" + resource, e);
+ }
+ }
+
+ protected void doLoadBeanDefinitions(InputStream inputStream) throws ClassNotFoundException {
+ Document doc = XmlUtil.readXML(inputStream);
+ Element root = doc.getDocumentElement();
+ NodeList childNodes = root.getChildNodes();
+ for (int i = 0; i < childNodes.getLength(); i++) {
+ if (!(childNodes.item(i) instanceof Element)) {
+ continue;
+ }
+ if (!"bean".equals(childNodes.item(i).getNodeName())) {
+ continue;
+ }
+
+ Element bean = (Element) childNodes.item(i);
+
+ String id = bean.getAttribute("id");
+ String name = bean.getAttribute("name");
+ String className = bean.getAttribute("class");
+ Class clazz = Class.forName(className);
+ String beanName = StrUtil.isNotEmpty(id) ? id : name;
+ if (StrUtil.isEmpty(beanName)) {
+ beanName = StrUtil.lowerFirst(clazz.getSimpleName());
+ }
+ //定义bean
+ BeanDefinition beanDefinition = new BeanDefinition(clazz);
+ //读取属性填充
+ for (int j = 0; j < bean.getChildNodes().getLength(); j++) {
+ if (!(bean.getChildNodes().item(j) instanceof Element)) {
+ continue;
+ }
+ if (!"property".equals(bean.getChildNodes().item(j).getNodeName())) {
+ continue;
+ }
+
+ Element property = (Element) bean.getChildNodes().item(j);
+ String attrName = property.getAttribute("name");
+ String attrValue = property.getAttribute("value");
+ String attrRef = property.getAttribute("ref");
+ //获取属性值：引入对象值对象
+ Object value = StrUtil.isNotEmpty(attrRef) ? new BeanReference(attrRef) : attrValue;
+ PropertyValue propertyValue = new PropertyValue(attrName, value);
+ beanDefinition.getPropertyValues().addPropertyValue(propertyValue);
+ }
+ if (getRegistry().containsBeanDefinition(beanName)) {
+ throw new BeansException("Duplicate beanName[ " + beanName + "] is not allowed");
+ }
+ //注册bd
+ getRegistry().registerBeanDefinition(beanName, beanDefinition);
+ }
+ }
+
+ @Override
+ public void loadBeanDefinitions(Resource... resources) throws BeansException {
+ for (Resource resource : resources) {
+ loadBeanDefinitions(resource);
+ }
+ }
+
+ @Override
+ public void loadBeanDefinitions(String location) throws BeansException {
+ ResourceLoader resourceLoader = getResourceLoader();
+ Resource resource = resourceLoader.getResource(location);
+ loadBeanDefinitions(resource);
+ }
+
+ @Override
+ public void loadBeanDefinitions(String... locations) throws BeansException {
+ for (String location : locations) {
+ loadBeanDefinitions(location);
+ }
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/context/ApplicationContext.java b/src/main/java/com/xgh/test/spring/step04/context/ApplicationContext.java
new file mode 100644
index 0000000..098fead
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/context/ApplicationContext.java
@@ -0,0 +1,6 @@
+package com.xgh.test.spring.step04.context;
+
+import com.xgh.test.spring.step04.beans.factory.ListableBeanFactory;
+
+public interface ApplicationContext extends ListableBeanFactory {
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/context/ConfigurableApplicationContext.java b/src/main/java/com/xgh/test/spring/step04/context/ConfigurableApplicationContext.java
new file mode 100644
index 0000000..e01d382
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/context/ConfigurableApplicationContext.java
@@ -0,0 +1,18 @@
+package com.xgh.test.spring.step04.context;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.factory.ListableBeanFactory;
+
+public interface ConfigurableApplicationContext extends ListableBeanFactory {
+
+
+ /**
+ * 刷新容器
+ * @throws BeansException
+ */
+ void refresh() throws BeansException;
+
+ void registerShutdownHook();
+
+ void close();
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/context/support/AbstractApplicationContext.java b/src/main/java/com/xgh/test/spring/step04/context/support/AbstractApplicationContext.java
new file mode 100644
index 0000000..eda5539
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/context/support/AbstractApplicationContext.java
@@ -0,0 +1,94 @@
+package com.xgh.test.spring.step04.context.support;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.factory.ConfigurableListableBeanFactory;
+import com.xgh.test.spring.step04.beans.factory.config.BeanFactoryPostProcessor;
+import com.xgh.test.spring.step04.beans.factory.config.BeanPostProcessor;
+import com.xgh.test.spring.step04.context.ConfigurableApplicationContext;
+import com.xgh.test.spring.step04.core.io.DefaultResourceLoader;
+
+import java.util.Map;
+
+
+/**
+ * 应用上下文抽象类实现
+ */
+public abstract class AbstractApplicationContext extends DefaultResourceLoader implements ConfigurableApplicationContext {
+
+
+ @Override
+ public void refresh() throws BeansException {
+ //1创建beanFactory，加载BeanDefinition
+ refreshFactory();
+
+ //2.获取beanFactory
+ ConfigurableListableBeanFactory beanFactory = getBeanFactory();
+
+ //3在bean实例化之前执行beanFactoryPostProcess
+ invokeBeanFactoryPostProcessors(beanFactory);
+ //4.beanPostProcessor需要提前雨其他bean对象实例化之前注册操作
+ registerBeanPostProcessors(beanFactory);
+ //5提前实例化单例bean对象
+ beanFactory.preInstantiateSingletons();
+
+
+ }
+ protected abstract ConfigurableListableBeanFactory getBeanFactory() throws BeansException;
+
+
+ protected abstract void refreshFactory() ;
+
+ private void registerBeanPostProcessors(ConfigurableListableBeanFactory beanFactory){
+ Map beanPostProcessorMap = beanFactory.getBeansOfType(BeanPostProcessor.class);
+ for (BeanPostProcessor beanPostProcessor : beanPostProcessorMap.values()) {
+ beanFactory.addBeanPostProcessor(beanPostProcessor);
+ }
+ //... getBean getBeansOfType getBeanDefinitionNames;
+ }
+
+ @Override
+ public Object getBean(String beanName) throws BeansException {
+ return getBeanFactory().getBean(beanName);
+ }
+
+ @Override
+ public T getBean(String beanName, Class requiredType) {
+ return getBeanFactory().getBean(beanName,requiredType);
+ }
+
+ @Override
+ public Object getBean(String beanName, Object... args) throws BeansException {
+ return getBeanFactory().getBean(beanName,args);
+ }
+
+ @Override
+ public Map getBeansOfType(Class type) throws BeansException {
+ return getBeanFactory().getBeansOfType(type);
+ }
+
+ @Override
+ public String[] getBeanDefinitionNames() {
+ return getBeanFactory().getBeanDefinitionNames();
+ }
+
+ private void invokeBeanFactoryPostProcessors(ConfigurableListableBeanFactory beanFactory){
+ Map beanFactoryPostProcessorMap = beanFactory.getBeansOfType(BeanFactoryPostProcessor.class);
+ for (BeanFactoryPostProcessor beanFactoryPostProcessor : beanFactoryPostProcessorMap.values()) {
+ beanFactoryPostProcessor.postProcessBeanFactory(beanFactory);
+ }
+ }
+
+ public void registerShutdownHook(){
+ Runtime.getRuntime().addShutdownHook(new Thread(this::close));
+ }
+
+ public void close(){
+ getBeanFactory().destroySingletons();
+ }
+
+
+
+
+
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/context/support/AbstractRefreshableApplication.java b/src/main/java/com/xgh/test/spring/step04/context/support/AbstractRefreshableApplication.java
new file mode 100644
index 0000000..b313493
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/context/support/AbstractRefreshableApplication.java
@@ -0,0 +1,33 @@
+package com.xgh.test.spring.step04.context.support;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.factory.ConfigurableListableBeanFactory;
+import com.xgh.test.spring.step04.beans.factory.support.DefaultListableBeanFactory;
+
+/**
+ * 获取bean工厂和加载资源
+ */
+public abstract class AbstractRefreshableApplication extends AbstractApplicationContext {
+
+ private DefaultListableBeanFactory beanFactory;
+
+
+ @Override
+ protected void refreshFactory() throws BeansException {
+ DefaultListableBeanFactory beanFactory = creatBeanFactory();
+ //加载spring.xml配置文件
+ loadBeanDefinitions(beanFactory);
+ this.beanFactory = beanFactory;
+ }
+
+ protected abstract void loadBeanDefinitions(DefaultListableBeanFactory beanFactory);
+
+ private DefaultListableBeanFactory creatBeanFactory() {
+ return new DefaultListableBeanFactory();
+ }
+
+ @Override
+ protected ConfigurableListableBeanFactory getBeanFactory() throws BeansException {
+ return beanFactory;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/context/support/AbstractXmlApplicationContext.java b/src/main/java/com/xgh/test/spring/step04/context/support/AbstractXmlApplicationContext.java
new file mode 100644
index 0000000..7137aea
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/context/support/AbstractXmlApplicationContext.java
@@ -0,0 +1,25 @@
+package com.xgh.test.spring.step04.context.support;
+
+import com.xgh.test.spring.step04.beans.factory.support.DefaultListableBeanFactory;
+import com.xgh.test.spring.step04.beans.factory.xml.XmlBeanDefinitionReader;
+
+/**
+ * 上下文对配置信息的加载
+ */
+public abstract class AbstractXmlApplicationContext extends AbstractRefreshableApplication {
+
+
+ @Override
+ protected void loadBeanDefinitions(DefaultListableBeanFactory beanFactory) {
+ XmlBeanDefinitionReader beanDefinitionReader = new XmlBeanDefinitionReader(beanFactory, this);
+
+ String[] configLocations = getConfigLocations();
+ if( null != configLocations){
+ beanDefinitionReader.loadBeanDefinitions(configLocations);
+ }
+ }
+
+ protected abstract String[] getConfigLocations();
+
+
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/context/support/ClassPathXmlApplicationContext.java b/src/main/java/com/xgh/test/spring/step04/context/support/ClassPathXmlApplicationContext.java
new file mode 100644
index 0000000..55c4c46
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/context/support/ClassPathXmlApplicationContext.java
@@ -0,0 +1,27 @@
+package com.xgh.test.spring.step04.context.support;
+
+/**
+ * 应用上下文实现类
+ */
+
+public class ClassPathXmlApplicationContext extends AbstractXmlApplicationContext{
+
+ private String[] configLocations;
+
+ public ClassPathXmlApplicationContext() {
+ }
+
+ public ClassPathXmlApplicationContext(String configLocation){
+ this(new String[]{configLocation});
+ }
+
+ public ClassPathXmlApplicationContext(String[] configLocations) {
+ this.configLocations = configLocations;
+ refresh();
+ }
+
+ @Override
+ protected String[] getConfigLocations() {
+ return configLocations;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/core/io/ClassPathResource.java b/src/main/java/com/xgh/test/spring/step04/core/io/ClassPathResource.java
new file mode 100644
index 0000000..d4dcad9
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/core/io/ClassPathResource.java
@@ -0,0 +1,41 @@
+package com.xgh.test.spring.step04.core.io;
+
+import cn.hutool.core.lang.Assert;
+import com.xgh.test.spring.step04.util.ClassUtils;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * com.xgh.test.spring.step04.core.io.ClassPathResource
+ *
+ * @author xgh
+ * @description classPath的资源加载器
+ * @date 2021年08月27日
+ */
+public class ClassPathResource implements Resource{
+
+ private final String path;
+
+ private ClassLoader classLoader;
+
+ public ClassPathResource(String path) {
+ this(path,null);
+ }
+
+ public ClassPathResource(String path, ClassLoader classLoader) {
+ Assert.notNull(path,"path mast not be null");
+ this.path = path;
+ this.classLoader = (classLoader != null ? classLoader : ClassUtils.getDefaultClassLoader());
+ }
+
+ @Override
+ public InputStream getInputStream() throws IOException {
+ InputStream is = classLoader.getResourceAsStream(path);
+ if(is == null){
+ throw new FileNotFoundException(this.path + " cannot be opened because ist does not exist");
+ }
+ return is;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/core/io/DefaultResourceLoader.java b/src/main/java/com/xgh/test/spring/step04/core/io/DefaultResourceLoader.java
new file mode 100644
index 0000000..dd66fab
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/core/io/DefaultResourceLoader.java
@@ -0,0 +1,35 @@
+package com.xgh.test.spring.step04.core.io;
+
+import cn.hutool.core.lang.Assert;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+/**
+ * com.xgh.test.spring.step04.core.io.DefaultResourceLoader
+ *
+ * @author xgh
+ * @description 获取资源
+ * @date 2021年08月27日
+ */
+public class DefaultResourceLoader implements ResourceLoader{
+
+
+
+ @Override
+ public Resource getResource(String location) {
+ Assert.notNull(location,"location mast not be null");
+ if(location.startsWith(CLASSPATH_URL_PREFIX)){
+ return new ClassPathResource(location.substring(CLASSPATH_URL_PREFIX.length()));
+ }
+ else
+ {
+ try {
+ URL url = new URL(location);
+ return new UrlResource(url);
+ }catch (MalformedURLException e){
+ return new FileSystemResource(location);
+ }
+ }
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/core/io/FileSystemResource.java b/src/main/java/com/xgh/test/spring/step04/core/io/FileSystemResource.java
new file mode 100644
index 0000000..f8831d7
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/core/io/FileSystemResource.java
@@ -0,0 +1,40 @@
+package com.xgh.test.spring.step04.core.io;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * com.xgh.test.spring.step04.core.io.FileSystemResource
+ *
+ * @author xgh
+ * @description 文件资源加载
+ * @date 2021年08月27日
+ */
+public class FileSystemResource implements Resource{
+
+ private final File file;
+
+ private final String path;
+
+ public FileSystemResource(File file) {
+ this.file = file;
+ this.path = file.getPath();
+ }
+
+
+ public FileSystemResource(String path) {
+ this.file = new File(path);
+ this.path = path;
+ }
+
+ @Override
+ public InputStream getInputStream() throws IOException {
+ return new FileInputStream(this.file);
+ }
+
+ public String getPath() {
+ return path;
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/core/io/Resource.java b/src/main/java/com/xgh/test/spring/step04/core/io/Resource.java
new file mode 100644
index 0000000..305f04b
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/core/io/Resource.java
@@ -0,0 +1,16 @@
+package com.xgh.test.spring.step04.core.io;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * com.xgh.test.spring.step04.core.io.Resource
+ *
+ * @author xgh
+ * @description 资源加载接口的定义和实现
+ * @date 2021年08月27日
+ */
+public interface Resource {
+
+ InputStream getInputStream() throws IOException;
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/core/io/ResourceLoader.java b/src/main/java/com/xgh/test/spring/step04/core/io/ResourceLoader.java
new file mode 100644
index 0000000..2268713
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/core/io/ResourceLoader.java
@@ -0,0 +1,15 @@
+package com.xgh.test.spring.step04.core.io;
+
+/**
+ * com.xgh.test.spring.step04.core.io.ResourceLoader
+ *
+ * @author xgh
+ * @description 资源加载器
+ * @date 2021年08月27日
+ */
+public interface ResourceLoader {
+
+ String CLASSPATH_URL_PREFIX= "classpath:";
+
+ Resource getResource(String location);
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/core/io/UrlResource.java b/src/main/java/com/xgh/test/spring/step04/core/io/UrlResource.java
new file mode 100644
index 0000000..b5c3cf3
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/core/io/UrlResource.java
@@ -0,0 +1,39 @@
+package com.xgh.test.spring.step04.core.io;
+
+import cn.hutool.core.lang.Assert;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLConnection;
+
+/**
+ * com.xgh.test.spring.step04.core.io.UrlResource
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月27日
+ */
+public class UrlResource implements Resource{
+
+ private final URL url;
+
+ public UrlResource(URL url) {
+ Assert.notNull(url,"url mast not be null");
+ this.url = url;
+ }
+
+ @Override
+ public InputStream getInputStream() throws IOException {
+ URLConnection con = this.url.openConnection();
+ try {
+ return con.getInputStream();
+ }catch (IOException e){
+ if(con instanceof HttpURLConnection){
+ ((HttpURLConnection) con).disconnect();
+ }
+ throw e;
+ }
+ }
+}
diff --git a/src/main/java/com/xgh/test/spring/step04/util/ClassUtils.java b/src/main/java/com/xgh/test/spring/step04/util/ClassUtils.java
new file mode 100644
index 0000000..d102e6a
--- /dev/null
+++ b/src/main/java/com/xgh/test/spring/step04/util/ClassUtils.java
@@ -0,0 +1,24 @@
+package com.xgh.test.spring.step04.util;
+
+/**
+ * com.xgh.test.spring.step04.util.ClassUtils
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月27日
+ */
+public class ClassUtils {
+
+ public static ClassLoader getDefaultClassLoader(){
+ ClassLoader cl = null;
+ try{
+ cl = Thread.currentThread().getContextClassLoader();
+ }catch (Throwable ex){
+ System.out.println(ex);
+ }
+ if(cl == null){
+ cl = ClassUtils.class.getClassLoader();
+ }
+ return cl;
+ }
+}
diff --git a/src/main/java/com/xgh/test/thread/week02/AlarmAgent.java b/src/main/java/com/xgh/test/thread/week02/AlarmAgent.java
new file mode 100644
index 0000000..a90dfb3
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week02/AlarmAgent.java
@@ -0,0 +1,173 @@
+package com.xgh.test.thread.week02;
+
+import java.util.concurrent.ScheduledThreadPoolExecutor;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * com.xgh.test.thread.week2.AlarmAgent
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月27日
+ */
+public class AlarmAgent {
+
+ //报警系统是否连接上了报警服务器
+ private volatile boolean connectedToServer = false;
+
+ //保护性条件
+ Predicate agentConnected = new Predicate() {
+ @Override
+ public boolean evaluate() {
+ return connectedToServer;
+ }
+ };
+
+ //blocker对象
+ private Blocker blocker = new ConditionVarBlocker(false);
+
+ //上报报警信息给报警服务
+ public void sendAlarm(AlarmInfo alarmInfo) throws Exception {
+ //构建guardedAction(要执行的方法)
+ GuardedAction guardedAction = new GuardedAction(agentConnected) {
+ @Override
+ public Void call() throws Exception {
+ //执行目标函数
+ doSendAlarm(alarmInfo);
+ return null;
+ }
+ };
+ //通过blocker执行目标（判断是否连接成功，如果连接成功就调用目标方法doSendAlarm发送报警通知）
+ blocker.callWithGuard(guardedAction);
+
+ }
+
+ //发送报警信息给报警服务器
+ private void doSendAlarm(AlarmInfo alarmInfo) {
+ //建立socket连接
+ System.out.println("执行发送报警方法start send alarm " + alarmInfo);
+ try {
+ Thread.sleep(50);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ //虚拟上报
+ System.out.println("end send alarm");
+ }
+
+
+ //init: 初始化报警服务，和报警服务器建立连接，并定时发送心跳信息
+ //sendAlarm：发送报警信息给服务器
+ //onConnected: 和报警中心建立连接
+ //reConnected: 重新和报警中心建立连接
+ //onDisconnected: 断开和报警中心的连接
+ public void init() {
+ //出发连接
+ Thread connectingThread = new Thread(new ConnectingTask());
+ connectingThread.start();
+ //定时任务
+ ScheduledThreadPoolExecutor heardThreadPoolExecutor = new ScheduledThreadPoolExecutor(5, new ThreadFactory() {
+ private AtomicInteger index = new AtomicInteger();
+
+ @Override
+ public Thread newThread(Runnable r) {
+ Thread thread = new Thread();
+ thread.setName("heard-thread-" + index.incrementAndGet());
+ thread.setDaemon(true);
+ System.out.println("heard-thread-" + index);
+ return thread;
+ }
+ });
+ //5000表示首次执行任务的延迟时间，2000表示每次执行任务的间隔时间，TimeUnit.MILLISECONDS执行的时间间隔数值单位
+ //每5s执行一次
+ heardThreadPoolExecutor.scheduleAtFixedRate(new HeartbeatTask(), 5000, 2000, TimeUnit.MILLISECONDS);
+ }
+
+
+ //确定报警器和服务建立连接
+ private void onConnected() {
+ try {
+ System.out.println("连接成功后将标识位connectedServer 修改成true，同时唤醒其他的等待线程");
+ blocker.signalAfter(() -> {
+ System.out.println("update connectedServer = true ");
+ connectedToServer = true;
+ return Boolean.TRUE;
+ });
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+
+ }
+
+ //重新连接
+ private void reconnected() {
+ //重新连接一次
+ ConnectingTask connectingTask = new ConnectingTask();
+ //直接通过心跳线程执行一次重连，
+ connectingTask.run();
+ }
+
+ //断开连接
+ private void onDisconnected() {
+ connectedToServer = false;
+ }
+
+ /*
+ * @description 测试连接是否正常
+ * @date 2021/7/27 0027
+ * @return boolean
+ */
+ private boolean tesConnection() {
+ //通过socket给报警服务器发送一次连接
+ //模拟发送一次
+ try {
+ Thread.sleep(50);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ System.out.println("test connection normal");
+ return true;
+ }
+
+ //与报警服务建立连接
+ class ConnectingTask implements Runnable {
+
+ @Override
+ public void run() {
+ //与服务器连接
+ System.out.println("与服务连接执行");
+ try {
+ //休息10s
+ System.out.println("睡十秒假装连接");
+ Thread.sleep(10 * 1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ //连接建立完成1
+ System.out.println("alarm connected 假装连接成功");
+
+ onConnected();
+ }
+
+
+ }
+
+ class HeartbeatTask implements Runnable {
+
+ @Override
+ public void run() {
+ if (!tesConnection()) {
+ //连接断开
+ onDisconnected();
+ //重新连接
+ reconnected();
+ }
+ }
+
+
+ }
+
+
+}
diff --git a/src/main/java/com/xgh/test/thread/week02/AlarmAgentTest.java b/src/main/java/com/xgh/test/thread/week02/AlarmAgentTest.java
new file mode 100644
index 0000000..95cc2ed
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week02/AlarmAgentTest.java
@@ -0,0 +1,23 @@
+package com.xgh.test.thread.week02;
+
+/**
+ * com.xgh.test.thread.week2.AlarmAgentTest
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月27日
+ */
+public class AlarmAgentTest {
+
+ public static void main(String[] args) {
+ AlarmAgent alarmAgent = new AlarmAgent();
+ alarmAgent.init();
+
+ AlarmInfo alarmInfo = new AlarmInfo(6, 2, "1101", 1);
+ try {
+ alarmAgent.sendAlarm(alarmInfo);
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+}
diff --git a/src/main/java/com/xgh/test/thread/week02/AlarmInfo.java b/src/main/java/com/xgh/test/thread/week02/AlarmInfo.java
new file mode 100644
index 0000000..0211c67
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week02/AlarmInfo.java
@@ -0,0 +1,34 @@
+package com.xgh.test.thread.week02;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * com.xgh.test.thread.week2.AlarmInfo
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月27日
+ */
+@Data
+@AllArgsConstructor
+public class AlarmInfo {
+
+
+ //楼号
+ private Integer no;
+
+ //几单元
+ private Integer unit;
+
+ //几零几
+ private String roomNumber;
+
+
+ //报警类型
+ private Integer alarmType;
+
+
+
+
+}
diff --git a/src/main/java/com/xgh/test/thread/week02/Blocker.java b/src/main/java/com/xgh/test/thread/week02/Blocker.java
new file mode 100644
index 0000000..9b8c134
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week02/Blocker.java
@@ -0,0 +1,27 @@
+package com.xgh.test.thread.week02;
+
+import java.util.concurrent.Callable;
+
+/**
+ * com.xgh.test.thread.week2.Blocker
+ *
+ * @author xgh
+ * @description 负责对guardAction进行阻塞和唤醒
+ * @date 2021年07月27日
+ */
+public interface Blocker {
+
+
+ //在保护条件成立时执行目标动作，否则阻塞当前线程，直到保护条件成立
+ V callWithGuard(GuardedAction guardedAction)throws Exception;
+
+
+ //先执行stateOperator,如果返回true则确定唤醒该blocker上阻塞的一共线程
+ void signalAfter(Callable stateOperation)throws Exception;
+
+ //直接欢迎blocker上阻塞的一个线程
+ void signal()throws Exception;
+
+ //根据stateOperator的是否满足唤醒所有blocker上线程
+ void broadcastAfter(Callable stateOperator )throws Exception;
+}
diff --git a/src/main/java/com/xgh/test/thread/week02/ConditionVarBlocker.java b/src/main/java/com/xgh/test/thread/week02/ConditionVarBlocker.java
new file mode 100644
index 0000000..5f844c4
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week02/ConditionVarBlocker.java
@@ -0,0 +1,109 @@
+package com.xgh.test.thread.week02;
+
+import java.util.concurrent.Callable;
+import java.util.concurrent.locks.Condition;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+
+/**
+ * com.xgh.test.thread.week2.ConditionVarBlocker
+ *
+ * @author xgh
+ * @description 延时等待
+ * @date 2021年07月27日
+ */
+public class ConditionVarBlocker implements Blocker{
+
+ private final Lock lock;
+
+ private final Condition condition;
+
+ private final boolean allowAccess2Lock;
+
+ public ConditionVarBlocker(Lock lock, Condition condition, boolean allowAccess2Lock) {
+ this.lock = lock;
+ this.condition = condition;
+ this.allowAccess2Lock = allowAccess2Lock;
+ }
+
+ public ConditionVarBlocker(boolean allowAccess2Lock) {
+ this(new ReentrantLock(),allowAccess2Lock);
+ }
+
+ public ConditionVarBlocker(Lock lock, boolean allowAccess2Lock) {
+ this.lock = lock;
+ this.condition = lock.newCondition();
+ this.allowAccess2Lock = allowAccess2Lock;
+ }
+
+ //判断是否与中心连接成功，连接成功就发送消息
+ //如果没有连接成功就等待
+ @Override
+ public V callWithGuard(GuardedAction guardedAction) throws Exception {
+ lock.lockInterruptibly();
+ try {
+ //判断条件是否满足满足则执行目标动作,不满足则进入条件等待队列中
+ final Predicate predicate = guardedAction.predicate;
+ //对应connectedToServer的值的改变
+ while (!predicate.evaluate()){
+
+ System.out.println("判断是否能够执行，如果不行，线程进入等待 alarm connecting alarm system,thread wait");
+ //条件不满足
+ condition.await();
+ //当线程从条件等待队列欢迎后，获取锁成功，然后再次尝试去判断条件是否满足
+ }
+ //条件满足，执行目标内容
+ System.out.println("条件满足，执行线程，alarm connected execute call");
+ return guardedAction.call();
+ }finally {
+ lock.unlock();
+ }
+ }
+
+ @Override
+ public void signalAfter(Callable stateOperation) throws Exception {
+ //获取锁
+ lock.lockInterruptibly();
+ try {
+ //执行传入的方法，看是否能唤醒线程
+ if(stateOperation.call()){
+ //条件满足唤醒
+ System.out.println("唤醒等待线程，alarm connected,signal thread");
+ condition.signal();
+ }
+ }finally {
+ lock.unlock();
+ }
+ }
+
+ @Override
+ public void signal() throws Exception {
+ lock.lockInterruptibly();
+ try{
+ condition.signal();
+ }finally {
+ lock.unlock();
+ }
+ }
+
+ @Override
+ public void broadcastAfter(Callable stateOperator) throws Exception {
+ lock.lockInterruptibly();
+ try {
+ if(stateOperator.call()){
+ //条件满足唤醒所有
+ condition.signalAll();
+ }
+ }finally {
+ lock.unlock();
+ }
+ }
+
+ public Lock getLock(){
+ if(allowAccess2Lock){
+ return this.lock;
+ }
+ throw new IllegalStateException("access to the lock disallowed");
+ }
+
+}
diff --git a/src/main/java/com/xgh/test/thread/week02/GuardedAction.java b/src/main/java/com/xgh/test/thread/week02/GuardedAction.java
new file mode 100644
index 0000000..1028382
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week02/GuardedAction.java
@@ -0,0 +1,21 @@
+package com.xgh.test.thread.week02;
+
+import java.util.concurrent.Callable;
+
+/**
+ * com.xgh.test.thread.week2.GuardedAction
+ *
+ * @author xgh
+ * @description 抽象目标动作，内部包含目标动作所需的保护条件
+ * @date 2021年07月27日
+ */
+public abstract class GuardedAction implements Callable {
+
+ protected final Predicate predicate;
+
+ public GuardedAction(Predicate predicate) {
+ this.predicate = predicate;
+ }
+
+
+}
diff --git a/src/main/java/com/xgh/test/thread/week02/Predicate.java b/src/main/java/com/xgh/test/thread/week02/Predicate.java
new file mode 100644
index 0000000..a475b6a
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week02/Predicate.java
@@ -0,0 +1,18 @@
+package com.xgh.test.thread.week02;
+
+/**
+ * com.xgh.test.thread.week2.Predicate
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月27日
+ */
+public interface Predicate {
+
+ /*
+ * @description 判断条件是否满足，满足返回true 否则false
+ * @date 2021/7/27 0027
+ * @return boolean
+ */
+ boolean evaluate();
+}
diff --git a/src/main/java/com/xgh/test/thread/week02/RequestQueue.java b/src/main/java/com/xgh/test/thread/week02/RequestQueue.java
new file mode 100644
index 0000000..dcc721a
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week02/RequestQueue.java
@@ -0,0 +1,60 @@
+package com.xgh.test.thread.week02;
+
+import java.util.Queue;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.locks.Condition;
+import java.util.concurrent.locks.ReentrantLock;
+
+/**
+ * com.xgh.test.thread.week2.RequestQueue
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月28日
+ */
+public class RequestQueue {
+
+
+ private Queue queue = new ArrayBlockingQueue<>(Integer.MAX_VALUE);
+
+ ReentrantLock lock = new ReentrantLock();
+
+ Condition condition = lock.newCondition();
+
+ public String get() {
+ String result = null;
+ lock.lock();
+ try {
+ while (queue.isEmpty()) {
+ condition.await();
+ }
+ result = queue.poll();
+ condition.signalAll();
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ condition.signalAll();
+ } finally {
+ lock.unlock();
+ }
+
+ return result;
+ }
+
+ public void put(String request){
+ lock.lock();
+ try {
+ while (queue.size() >= Integer.MAX_VALUE){
+ condition.await();
+ }
+ queue.offer(request);
+ condition.signalAll();
+ }catch (InterruptedException e){
+ condition.signalAll();
+ }finally {
+ lock.unlock();
+ }
+
+ }
+
+
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/AbstractTerminationThread.java b/src/main/java/com/xgh/test/thread/week03/AbstractTerminationThread.java
new file mode 100644
index 0000000..591f0fb
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/AbstractTerminationThread.java
@@ -0,0 +1,89 @@
+package com.xgh.test.thread.week03;
+
+/**
+ * com.xgh.test.thread.week03.AbstractTerminationThread
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月02日
+ */
+public abstract class AbstractTerminationThread extends Thread implements Termination{
+
+
+ /**
+ *
+ * 线程共享停止的标志实例对象
+ */
+ public final TerminationToken terminationToken;
+
+
+ public AbstractTerminationThread(){
+ this(new TerminationToken());
+ }
+
+ public AbstractTerminationThread(TerminationToken terminationToken){
+ this.terminationToken = terminationToken;
+ System.out.println("注册告警线程到线程停的标志实现对象队列中");
+ terminationToken.register(this);
+ }
+
+ @Override
+ public void terminate() {
+ System.out.println("设置中断标志对象为中断状态");
+ this.terminationToken.setToShutdown(true);
+ try {
+ doTerminate();
+ }finally {
+ //如果没有等待的任务，则强制停止线程
+ if(terminationToken.reservations.get()<=0){
+ super.interrupt();
+ }
+ }
+ }
+
+ //执行终止线程的逻辑，留给子类实现
+ protected void doTerminate(){
+
+ };
+
+ @Override
+ public void run() {
+ Exception ex = null;
+ try {
+ for (;;){
+ System.out.println("告警线程执行，此时中断标志位："+terminationToken.isToShutdown() +",未完成的任务数量："+terminationToken.reservations.get());
+ if(terminationToken.isToShutdown() && terminationToken.reservations.get() <= 0){
+ //线程已经终止了，中断退出
+ System.out.println("中断标志位true，未完成任务为0，告警线程退出");
+ break;
+ }
+ //执行具体逻辑
+ doRun();
+ }
+ }catch (Exception e){
+ ex = e;
+ if(ex instanceof InterruptedException){
+ System.out.println("中断响应："+e);
+ }
+ }finally {
+ try {
+ System.out.println("告警线程停止，回调终止后的清理工作开始");
+ doCleanup(ex);
+ }finally {
+ //通知terminationToken管理的所有线程退出
+ System.out.println("标志实例对象中一个线程终止，通知其他线程终止");
+ terminationToken.notifyThreadTermination(this);
+ }
+ }
+
+
+
+ }
+
+ //留给子类实现，完成线程终止后的一些清理工作
+ protected void doCleanup(Exception ex){
+
+ };
+
+ protected abstract void doRun()throws InterruptedException;
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/AlarmInfo.java b/src/main/java/com/xgh/test/thread/week03/AlarmInfo.java
new file mode 100644
index 0000000..ae93292
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/AlarmInfo.java
@@ -0,0 +1,44 @@
+package com.xgh.test.thread.week03;
+
+import lombok.Data;
+
+/**
+ * com.xgh.test.thread.week03.AlarmInfo
+ *
+ * @author xgh
+ * @description 机器告警信息
+ * @date 2021年08月02日
+ */
+@Data
+public class AlarmInfo {
+
+ //机器告警类型
+ private AlarmType alarmType;
+
+ //机器告警编号
+ private String id;
+
+ //机器告警参数
+ private String extraInfo;
+
+
+ public AlarmInfo(AlarmType alarmType, String id, String extraInfo) {
+ this.alarmType = alarmType;
+ this.id = id;
+ this.extraInfo = extraInfo;
+ }
+
+ //获取机器告警信息的唯一id
+ public String getUniqueId(){
+ return this.alarmType.getDesc() +":"+this.id +":"+this.extraInfo;
+ }
+
+ public String getUniqueByAlarmType(AlarmType alarmType){
+ return alarmType.getDesc() +":"+this.id +":"+this.extraInfo;
+ }
+
+
+
+
+
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/AlarmManager.java b/src/main/java/com/xgh/test/thread/week03/AlarmManager.java
new file mode 100644
index 0000000..a5eb6ee
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/AlarmManager.java
@@ -0,0 +1,57 @@
+package com.xgh.test.thread.week03;
+
+/**
+ * com.xgh.test.thread.week03.AlarmManager
+ *
+ * @author xgh
+ * @description 自动对机器进行监控，机器的报警信息会上报到监控系统中
+ * @date 2021年08月02日
+ */
+public class AlarmManager {
+ //是否关闭
+ private volatile boolean shutdownRequested = false;
+
+ private static final AlarmManager instance = new AlarmManager();
+
+ //上报机器的报警信息工作现场
+ private final AlarmSendingThread alarmSendingThread;
+
+ private AlarmManager(){
+ System.out.println("创建机器上报告警信息的后台线程");
+ alarmSendingThread = new AlarmSendingThread();
+ }
+
+ public static AlarmManager getInstance(){
+ return instance;
+ }
+
+
+ public void init(){
+ alarmSendingThread.start();
+ }
+
+ public int sendAlarm(AlarmType alarmType,String id,String extraInfo){
+ AlarmInfo alarmInfo = new AlarmInfo(alarmType,id,extraInfo);
+ //重复提交次数
+ int duplicateSubmissionCount = 0;
+ try {
+ duplicateSubmissionCount = alarmSendingThread.sendAlarm(alarmInfo);
+ }catch (Exception e){
+ e.printStackTrace();
+ }
+ return duplicateSubmissionCount;
+ }
+ //关闭机器上报功能
+ public synchronized void shutdown(){
+ if(shutdownRequested){
+ throw new IllegalStateException("停止请求已经发送");
+ }
+ //关闭后台警告线程
+ alarmSendingThread.terminate();
+ shutdownRequested = true;
+ }
+
+
+
+
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/AlarmManagerTest.java b/src/main/java/com/xgh/test/thread/week03/AlarmManagerTest.java
new file mode 100644
index 0000000..5a50c72
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/AlarmManagerTest.java
@@ -0,0 +1,44 @@
+package com.xgh.test.thread.week03;
+
+/**
+ * com.xgh.test.thread.week03.AlarmManagerTest
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月02日
+ */
+public class AlarmManagerTest {
+
+ public static void main(String[] args) {
+ // 告警管理组件
+ AlarmManager alarmManager = AlarmManager.getInstance();
+ // 初始化告警管理组件 启动一个告警后台线程来上报请求到告警服务器中
+
+ alarmManager.init();
+
+ // 发送告警任务
+ new Thread(() -> {
+ int duplicateAlarmNumber = alarmManager.sendAlarm(AlarmType.FAULT, "001", "001告警信息");
+ System.out.println("发送机器报警001完成，001重复提交次数：" + duplicateAlarmNumber);
+ }).start();
+
+ new Thread(() -> {
+ int duplicateAlarmNumber = alarmManager.sendAlarm(AlarmType.FAULT, "002", "002告警信息");
+ System.out.println("发送机器报警002完成，002重复提交次数：" + duplicateAlarmNumber);
+ }).start();
+
+ new Thread(() -> {
+ int duplicateAlarmNumber = alarmManager.sendAlarm(AlarmType.FAULT, "002", "002告警信息");
+ System.out.println("发送机器报警002完成，002重复提交次数：" + duplicateAlarmNumber);
+ }).start();
+
+ try {
+ Thread.sleep(10);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+
+ // 终止机器的告警
+ new Thread(alarmManager::shutdown).start();
+ }
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/AlarmSendingThread.java b/src/main/java/com/xgh/test/thread/week03/AlarmSendingThread.java
new file mode 100644
index 0000000..443201c
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/AlarmSendingThread.java
@@ -0,0 +1,88 @@
+package com.xgh.test.thread.week03;
+
+import java.util.Objects;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * com.xgh.test.thread.week03.AlarmSendingThread
+ *
+ * @author xgh
+ * @description 上报机器报警信息的工作线程
+ * @date 2021年08月02日
+ */
+public class AlarmSendingThread extends AbstractTerminationThread {
+
+ //机器告警队列
+ private final BlockingQueue alarmQueue;
+
+ //已经提交的机器告警信息
+ private final ConcurrentHashMap submittedAlarmRegistry;
+
+ public AlarmSendingThread() {
+ this.alarmQueue = new ArrayBlockingQueue<>(100);
+ this.submittedAlarmRegistry = new ConcurrentHashMap<>();
+ }
+
+ public int sendAlarm(AlarmInfo alarmInfo) {
+ if (terminationToken.isToShutdown()) {
+ //已经终止
+ System.err.println("已经终止了：" + alarmInfo);
+ return -1;
+ }
+ try {
+ //放入机器的告警队列中
+ AtomicInteger prevSubmittedCounter;
+ prevSubmittedCounter = submittedAlarmRegistry.putIfAbsent(alarmInfo.getUniqueId(), new AtomicInteger());
+ if (prevSubmittedCounter == null) {
+ //代表之前该类型的机器告警为空 ；未完成任务+1
+ terminationToken.reservations.incrementAndGet();
+ alarmQueue.put(alarmInfo);
+ } else {
+ //当前的故障还没有回复，不需要重复上报机器高中，只是增加机器告警的次数
+ return prevSubmittedCounter.incrementAndGet();
+ }
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ return 0;
+ }
+
+
+ @Override
+ protected void doRun() throws InterruptedException {
+ AlarmInfo alarmInfo;
+
+ alarmInfo = alarmQueue.take();
+ System.out.println("告警线程队列中拉取到告警信息："+alarmInfo);
+ //机器告警数量-1
+ terminationToken.reservations.decrementAndGet();
+ //发送机器告警信息到智慧监控系统中
+ try {
+ doSendAlarm();
+ System.out.println("机器告警信息上报完成");
+ }catch (Exception e){
+ e.printStackTrace();
+ }
+ //如果当前是回复警告，则需要清空当前告警的统计信息，重置为空
+ if(Objects.equals(alarmInfo.getAlarmType(),AlarmType.RESUME)){
+ System.out.println("机器告警："+alarmInfo +"已恢复，清空告警次数");
+ submittedAlarmRegistry.remove(alarmInfo.getUniqueByAlarmType(AlarmType.FAULT));
+ submittedAlarmRegistry.remove(alarmInfo.getUniqueByAlarmType(AlarmType.RESUME));
+ }
+ }
+
+
+
+ private void doSendAlarm() {
+ try {
+ System.out.println("假装上报到监控系统");
+ Thread.sleep(50);
+ }catch (InterruptedException e){
+ e.printStackTrace();
+ }
+
+ }
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/AlarmType.java b/src/main/java/com/xgh/test/thread/week03/AlarmType.java
new file mode 100644
index 0000000..d262dc7
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/AlarmType.java
@@ -0,0 +1,38 @@
+package com.xgh.test.thread.week03;
+
+/**
+ * com.xgh.test.thread.week03.AlarmType
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月02日
+ */
+public enum AlarmType {
+
+ /**
+ * 故障
+ */
+ FAULT(1, "故障"),
+
+ /**
+ * 恢复告警
+ */
+ RESUME(2, "刷新");
+
+ private Integer alarmType;
+
+ private String desc;
+
+ AlarmType(Integer alarmType, String desc) {
+ this.alarmType = alarmType;
+ this.desc = desc;
+ }
+
+ public Integer getAlarmType() {
+ return alarmType;
+ }
+
+ public String getDesc() {
+ return desc;
+ }
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/Termination.java b/src/main/java/com/xgh/test/thread/week03/Termination.java
new file mode 100644
index 0000000..c677f01
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/Termination.java
@@ -0,0 +1,13 @@
+package com.xgh.test.thread.week03;
+
+/**
+ * com.xgh.test.thread.week03.Termination
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月02日
+ */
+public interface Termination {
+
+ void terminate();
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/TerminationToken.java b/src/main/java/com/xgh/test/thread/week03/TerminationToken.java
new file mode 100644
index 0000000..564f2fe
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/TerminationToken.java
@@ -0,0 +1,62 @@
+package com.xgh.test.thread.week03;
+
+import java.lang.ref.WeakReference;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedDeque;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * com.xgh.test.thread.week03.TerminationToken
+ *
+ * @author xgh
+ * @description 线程停止标识
+ * @date 2021年08月02日
+ */
+public class TerminationToken {
+
+
+ // 是否停止标识
+ protected volatile boolean toShutdown = false;
+
+ //未执行任务的数量
+ public final AtomicInteger reservations = new AtomicInteger(0);
+
+ //当多个线程共享一个terminationToken实例时，通过队列来记录所有的停止线程，从而减少锁的方式实现
+ private final Queue> coordinatedThreads;
+
+ public TerminationToken() {
+ this.coordinatedThreads = new ConcurrentLinkedDeque<>();
+ }
+
+ //是否终止
+ public boolean isToShutdown(){
+ return toShutdown;
+ }
+
+ public void setToShutdown(boolean toShutdown){
+ this.toShutdown = toShutdown;
+ }
+ //注册一个线程到terminationToken上
+ public void register(Termination thread){
+ coordinatedThreads.add(new WeakReference<>(thread));
+ }
+
+ //通知terminationThread中所有实例，有一个线程停止了，通知其他线程停止
+ public void notifyThreadTermination(Termination thread){
+ WeakReference wrThread;
+ Termination otherTermination;
+ while ((wrThread = coordinatedThreads.poll()) != null){
+ otherTermination = wrThread.get();
+ if(otherTermination != null && otherTermination != thread){
+ otherTermination.terminate();
+ }
+ }
+
+
+ }
+
+
+
+
+
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/ThreadExecutor.java b/src/main/java/com/xgh/test/thread/week03/ThreadExecutor.java
new file mode 100644
index 0000000..df76004
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/ThreadExecutor.java
@@ -0,0 +1,74 @@
+package com.xgh.test.thread.week03;
+
+/**
+ * com.xgh.test.thread.week03.ThreadExecutor
+ *
+ * @author xgh
+ * @description 两阶段终止模式
+ * 1.发出信号，告知正在运行的线程将被终止
+ * 2.接收到此信号的线程，做完善后工作，停止运行
+ * @date 2021年07月28日
+ */
+public class ThreadExecutor {
+
+ /**
+ * 执行线程
+ */
+ private Thread executeThread;
+
+ /**
+ * 运行状态
+ */
+ private volatile boolean isRunning = false;
+
+ /**
+ * task 为发生阻塞的线程
+ */
+ public void execute(Runnable task) {
+ executeThread = new Thread(() -> {
+ Thread childThread = new Thread(task);
+ //子线程设置为守护线程
+ childThread.setDaemon(true);
+ childThread.start();
+
+ try {
+ childThread.join();
+ isRunning = true;
+ } catch (InterruptedException e) {
+ System.out.println("是我打了异常");
+ e.printStackTrace();
+ }
+
+ });
+ executeThread.start();
+ }
+
+
+ public void shutdown(long mills) {
+ long currentTime = System.currentTimeMillis();
+ while (!isRunning) {
+ if (System.currentTimeMillis() - currentTime >= mills) {
+ System.out.println("任务超时，需要结束他");
+ executeThread.interrupt();
+ break;
+ }
+ }
+
+ }
+
+ public static void main(String[] args) {
+ ThreadExecutor executor = new ThreadExecutor();
+ long start = System.currentTimeMillis();
+ executor.execute(()->{
+ try {
+ Thread.sleep(5000);
+ }catch (InterruptedException e){
+ e.printStackTrace();
+ }
+ });
+ executor.shutdown(1000);
+ long end = System.currentTimeMillis();
+ System.out.println(end - start);
+ }
+
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/mytest/MyServer.java b/src/main/java/com/xgh/test/thread/week03/mytest/MyServer.java
new file mode 100644
index 0000000..e9d5523
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/mytest/MyServer.java
@@ -0,0 +1,86 @@
+package com.xgh.test.thread.week03.mytest;
+
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+
+/**
+ * com.xgh.test.thread.week03.mytest.MyServer
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月03日
+ */
+public class MyServer {
+
+ private final BlockingQueue queue = new ArrayBlockingQueue<>(100);
+
+ private final C c = new C();
+ private final P p = new P();
+
+ public static void main(String[] args) throws InterruptedException {
+ MyServer myServer = new MyServer();
+ myServer.init();
+ Thread.sleep(10);
+ myServer.shutdown();
+
+ }
+
+ // 停止生产者和消费者的执行
+ public void shutdown() {
+ p.terminable(true); // 先停止生产者，只有在生产者完全停止之后才会停止消费者
+ c.terminable(); // 停止消费者
+ }
+
+ // 启动生产者和消费者
+ public void init() {
+ p.start();
+ c.start();
+ }
+
+
+ class C extends TerminableSupport {
+
+ @Override
+ protected void doClean(Exception ex) {
+
+ }
+
+ @Override
+ protected void doRun() throws Exception {
+ String poll = queue.poll();
+ System.out.println("消费"+poll);
+ try {
+ Thread.sleep(10);
+ }finally {
+ terminableToken.taskCount.decrementAndGet();
+ }
+
+
+ }
+
+ @Override
+ protected void doTerminable() {
+
+ }
+ }
+
+ class P extends TerminableSupport {
+
+ @Override
+ protected void doClean(Exception ex) {
+
+ }
+
+ @Override
+ protected void doRun() throws Exception {
+ int i = 0;
+ queue.put(++i +"");
+ terminableToken.taskCount.incrementAndGet();
+ }
+
+ @Override
+ protected void doTerminable() {
+
+ }
+ }
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/mytest/Terminable.java b/src/main/java/com/xgh/test/thread/week03/mytest/Terminable.java
new file mode 100644
index 0000000..1e19e86
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/mytest/Terminable.java
@@ -0,0 +1,13 @@
+package com.xgh.test.thread.week03.mytest;
+
+/**
+ * com.xgh.test.thread.week03.mytest.Terminable
+ *
+ * @author xgh
+ * @description 中断线程开关
+ * @date 2021年08月03日
+ */
+public interface Terminable {
+
+ void terminable();
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/mytest/TerminableSupport.java b/src/main/java/com/xgh/test/thread/week03/mytest/TerminableSupport.java
new file mode 100644
index 0000000..793134a
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/mytest/TerminableSupport.java
@@ -0,0 +1,81 @@
+package com.xgh.test.thread.week03.mytest;
+
+import java.util.concurrent.ExecutorService;
+
+/**
+ * com.xgh.test.thread.week03.mytest.TerminableSupport
+ *
+ * @author xgh
+ * @description 控制中断主要逻辑，具体实现留给子类继承
+ * @date 2021年08月03日
+ */
+public abstract class TerminableSupport extends Thread implements Terminable {
+
+ //标识
+ public final TerminableToken terminableToken;
+
+
+ public TerminableSupport() {
+ this(new TerminableToken());
+ }
+
+ public TerminableSupport(TerminableToken terminableToken) {
+ this.terminableToken = terminableToken;
+ terminableToken.register(this);
+ }
+
+
+ @Override
+ public void run() {
+ Exception ex = null;
+ try {
+ if(!terminableToken.isShutdown || terminableToken.taskCount.get() > 0){
+ doRun();
+ }
+ }catch (Exception e){
+ ex = e;
+ }finally {
+ try {
+ doClean(ex);
+ }finally {
+ terminableToken.notifyOther(this);
+ }
+ }
+ }
+
+ @Override
+ public void interrupt() {
+ terminable();
+ }
+
+ protected abstract void doClean(Exception ex);
+
+ protected abstract void doRun()throws Exception;
+
+ @Override
+ public void terminable() {
+ terminableToken.isShutdown = true;
+ try {
+ doTerminable();
+ }finally {
+ if(terminableToken.taskCount.get() < 0){
+ super.interrupt();
+ }
+ }
+ }
+
+ public void terminable(Boolean is){
+ terminable();
+ if(is){
+ try {
+ this.join();
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+
+ protected abstract void doTerminable();
+
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/mytest/TerminableToken.java b/src/main/java/com/xgh/test/thread/week03/mytest/TerminableToken.java
new file mode 100644
index 0000000..f0b5923
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/mytest/TerminableToken.java
@@ -0,0 +1,48 @@
+package com.xgh.test.thread.week03.mytest;
+
+import java.lang.ref.WeakReference;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedDeque;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * com.xgh.test.thread.week03.mytest.TerminableToken
+ *
+ * @author xgh
+ * @description 中断标识
+ * @date 2021年08月03日
+ */
+public class TerminableToken {
+
+ //中断标识
+ protected volatile boolean isShutdown = false;
+
+ //任务数
+ public AtomicInteger taskCount = new AtomicInteger(0);
+
+
+ private final Queue> queue;
+
+
+ public TerminableToken() {
+ this.queue = new ConcurrentLinkedDeque<>();
+ }
+
+
+ protected void register(Terminable thread){
+ queue.add(new WeakReference<>(thread));
+ }
+
+
+ protected void notifyOther(Terminable thread){
+ WeakReference weakReference;
+ Terminable other;
+ //如果队列任务不为空，就通知其他线程发送终止信号
+ while (null != (weakReference = queue.poll())){
+ other = weakReference.get();
+ if(null != other && thread != other){
+ other.terminable();
+ }
+ }
+ }
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/test/SomeService.java b/src/main/java/com/xgh/test/thread/week03/test/SomeService.java
new file mode 100644
index 0000000..4c253c5
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/test/SomeService.java
@@ -0,0 +1,68 @@
+package com.xgh.test.thread.week03.test;
+
+import java.util.Random;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * com.xgh.test.thread.week03.test.SomeService
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月02日
+ */
+public class SomeService {
+
+ private final BlockingQueue queue = new ArrayBlockingQueue<>(100);
+
+ private final Producer producer = new Producer();
+ private final Consumer consumer = new Consumer();
+
+ public static void main(String[] args) throws InterruptedException {
+ SomeService ss = new SomeService();
+ ss.init();
+ TimeUnit.SECONDS.sleep(500);
+ ss.shutdown();
+ }
+
+ // 停止生产者和消费者的执行
+ public void shutdown() {
+ producer.terminate(true); // 先停止生产者，只有在生产者完全停止之后才会停止消费者
+ consumer.terminate(); // 停止消费者
+ }
+
+ // 启动生产者和消费者
+ public void init() {
+ producer.start();
+ consumer.start();
+ }
+
+ // 生产者
+ private class Producer extends TerminatableSupport {
+ private int i = 0;
+
+ @Override
+ protected void doRun() throws Exception {
+ queue.put(String.valueOf(i++)); // 将任务添加到任务队列中
+ consumer.terminationToken.reservations.incrementAndGet(); // 更新需要执行的任务数量
+ System.out.println("待消费个数"+ consumer.terminationToken.reservations.get());
+ }
+ }
+
+ // 消费者
+ private class Consumer extends TerminatableSupport {
+ @Override
+ protected void doRun() throws Exception {
+ String product = queue.take(); // 获取任务
+ System.out.println("Processing product: " + product);
+ try {
+ TimeUnit.SECONDS.sleep(10); // 模拟消费者对任务的执行
+ } catch (InterruptedException e) {
+ // ignore
+ } finally {
+ terminationToken.reservations.decrementAndGet(); // 更新需要执行的任务数量
+ }
+ }
+ }
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/test/Terminatable.java b/src/main/java/com/xgh/test/thread/week03/test/Terminatable.java
new file mode 100644
index 0000000..662ff6f
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/test/Terminatable.java
@@ -0,0 +1,13 @@
+package com.xgh.test.thread.week03.test;
+
+/**
+ * com.xgh.test.thread.week03.test.Terminatable
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月02日
+ */
+public interface Terminatable {
+
+ void terminate();
+}
diff --git a/src/main/java/com/xgh/test/thread/week03/test/TerminatableSupport.java b/src/main/java/com/xgh/test/thread/week03/test/TerminatableSupport.java
new file mode 100644
index 0000000..cd7a3e6
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/test/TerminatableSupport.java
@@ -0,0 +1,78 @@
+package com.xgh.test.thread.week03.test;
+
+/**
+ * com.xgh.test.thread.week03.test.TerminatableSupport
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月02日
+ */
+public abstract class TerminatableSupport extends Thread implements Terminatable {
+ public final TerminationToken terminationToken; // 记录当前的标志位
+
+ public TerminatableSupport() {
+ this(new TerminationToken()); // 初始化当前标志位
+ }
+
+ public TerminatableSupport(TerminationToken terminationToken) {
+ super();
+ this.terminationToken = terminationToken; // 初始化标志位
+ terminationToken.register(this); // 注册当前对象的标志位
+ }
+
+ protected abstract void doRun() throws Exception; // 供子类实现具体任务的方法
+
+ // 钩子方法，用于子类进行一些清理工作
+ protected void doCleanup(Exception cause) {}
+
+ // 钩子方法，用于子类进行终止时的一些定制化操作
+ protected void doTerminate() {}
+
+ @Override
+ public void run() {
+ Exception ex = null;
+ try {
+ // 在当前线程中执行任务时，会判断是否标识为终止，并且剩余任务数小于等于0，是才会真正终止当前线程
+ while (!terminationToken.isToShutdown() || terminationToken.reservations.get() > 0) {
+ doRun();
+ }
+ } catch (Exception e) {
+ ex = e;
+ } finally {
+ try {
+ doCleanup(ex); // 当前线程终止后需要执行的操作
+ } finally {
+ terminationToken.notifyThreadTermination(this);
+ }
+ }
+ }
+
+ @Override
+ public void interrupt() {
+ terminate();
+ }
+
+ @Override
+ public void terminate() {
+ terminationToken.setToShutdown(true); // 设置终止状态
+ try {
+ doTerminate(); // 执行客户端定制的终止操作
+ } finally {
+ if (terminationToken.reservations.get() <= 0) {
+ super.interrupt(); // 如果当前线程处于终止状态，则强制终止当前线程
+ }
+ }
+ }
+
+ // 提供给客户端调用的，即客户端线程必须等待终止完成之后才会继续往下执行
+ public void terminate(boolean waitUntilThreadTerminated) {
+ terminate();
+ if (waitUntilThreadTerminated) {
+ try {
+ this.join();
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/com/xgh/test/thread/week03/test/TerminationToken.java b/src/main/java/com/xgh/test/thread/week03/test/TerminationToken.java
new file mode 100644
index 0000000..bd75c1a
--- /dev/null
+++ b/src/main/java/com/xgh/test/thread/week03/test/TerminationToken.java
@@ -0,0 +1,53 @@
+package com.xgh.test.thread.week03.test;
+
+import java.lang.ref.WeakReference;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * com.xgh.test.thread.week03.test.TerminationToken
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月02日
+ */
+public class TerminationToken {
+ protected volatile boolean toShutdown = false; // 终止状态的标志位
+ public final AtomicInteger reservations = new AtomicInteger(0); // 记录当前剩余任务数
+
+ // 记录了所有注册了TerminationToken的实例，这里使用Queue是因为可能会有多个
+ // Terminatable实例共享同一个TeraminationToken，如果是共享的，那么reservations
+ // 实例就保存了所有共享当前TerminationToken实例的线程所需要执行的任务总数
+ private final Queue> coordinatedThreads;
+
+ public TerminationToken() {
+ coordinatedThreads = new ConcurrentLinkedQueue<>();
+ }
+
+ public boolean isToShutdown() {
+ return toShutdown;
+ }
+
+ public void setToShutdown(boolean toShutdown) {
+ this.toShutdown = toShutdown;
+ }
+
+ // 将当前Terminatable实例注册到当前TerminationToken中
+ protected void register(Terminatable thread) {
+ coordinatedThreads.add(new WeakReference<>(thread));
+ }
+
+ // 如果是多个Terminatable实例注册到当前TerminationToken中，
+ // 则广播当前的终止状态，使得这些实例都会终止
+ protected void notifyThreadTermination(Terminatable thread) {
+ WeakReference wrThread;
+ Terminatable otherThread;
+ while (null != (wrThread = coordinatedThreads.poll())) {
+ otherThread = wrThread.get();
+ if (null != otherThread && otherThread != thread) {
+ otherThread.terminate();
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/src/main/resources/application.properties
@@ -0,0 +1 @@
+
diff --git a/src/test/java/com/xgh/test/TestApplicationTests.java b/src/test/java/com/xgh/test/TestApplicationTests.java
new file mode 100644
index 0000000..1eccb4b
--- /dev/null
+++ b/src/test/java/com/xgh/test/TestApplicationTests.java
@@ -0,0 +1,13 @@
+package com.xgh.test;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class TestApplicationTests {
+
+ @Test
+ void contextLoads() {
+ }
+
+}
diff --git a/src/test/java/com/xgh/test/desigin/DesiginTest.java b/src/test/java/com/xgh/test/desigin/DesiginTest.java
new file mode 100644
index 0000000..d4496b8
--- /dev/null
+++ b/src/test/java/com/xgh/test/desigin/DesiginTest.java
@@ -0,0 +1,34 @@
+package com.xgh.test.desigin;
+
+import com.xgh.test.design.STATUS;
+import com.xgh.test.design.Transaction;
+import com.xgh.test.design.WalletRpcServiceOne;
+import org.junit.jupiter.api.Test;
+
+import javax.transaction.InvalidTransactionException;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/**
+ * com.xgh.test.desigin.DesiginTest
+ *
+ * @author xgh
+ * @description
+ * @date 2021年07月08日
+ */
+public class DesiginTest {
+
+ @Test
+ public void testExecute() throws InvalidTransactionException {
+ Long buyerId = 123L;
+ Long sellerId = 234L;
+ Long productId = 345L;
+ Long orderId = 456L;
+ Transaction transaction = new Transaction(null, buyerId, sellerId, productId, orderId);
+ transaction.setWalletRpcService(new WalletRpcServiceOne());
+ boolean executedResult = transaction.execute();
+ assertTrue(executedResult);
+ assertEquals(STATUS.EXECUTED, transaction.getStatus());
+ }
+}
diff --git a/src/test/java/com/xgh/test/spring/ApiTests.java b/src/test/java/com/xgh/test/spring/ApiTests.java
new file mode 100644
index 0000000..8eecf2e
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/ApiTests.java
@@ -0,0 +1,83 @@
+package com.xgh.test.spring;
+
+import com.xgh.test.spring.service.UserService;
+import com.xgh.test.spring.step02.BeanFactory;
+import com.xgh.test.spring.step02.config.BeanDefinition;
+import com.xgh.test.spring.step02.support.DefaultListableBeanFactory;
+import lombok.SneakyThrows;
+import org.junit.Test;
+import org.springframework.cglib.proxy.Enhancer;
+import org.springframework.cglib.proxy.NoOp;
+
+import java.lang.reflect.Constructor;
+
+/**
+ * com.xgh.test.spring.ApiTests
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月12日
+ */
+public class ApiTests {
+
+ @Test
+ public void test_factory() {
+ //初始化 beanFactory
+ DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
+ //注册bean
+ BeanDefinition beanDefinition = new BeanDefinition(UserService.class);
+ beanFactory.registerBeanDefinition("userService",beanDefinition);
+ //第一次获取
+ UserService userService = (UserService)beanFactory.getBean("userService","张三");
+ userService.getUserInfo();
+
+ //第二次
+ UserService userService1 = (UserService)beanFactory.getBean("userService");
+ userService1.getUserInfo();
+ }
+
+ @SneakyThrows
+ @Test
+ public void test_newInstant(){
+ Class userServiceClass = UserService.class;
+ UserService userService = userServiceClass.newInstance();
+ System.out.println(userService);
+ }
+
+ @Test
+ public void test_constructor() throws Exception {
+ Class userServiceClass = UserService.class;
+ Constructor declaredConstructor = userServiceClass.getDeclaredConstructor(String.class);
+ UserService userService = declaredConstructor.newInstance("张三");
+ System.out.println(userService);
+ }
+
+ @Test
+ public void test_constructors() throws Exception {
+ Class userServiceClass = UserService.class;
+ Constructor[] declaredConstructors = userServiceClass.getDeclaredConstructors();
+ Constructor constructor = null;
+ for (Constructor declaredConstructor : declaredConstructors) {
+ if(declaredConstructor.getParameterTypes().length == 1){
+ constructor = declaredConstructor;
+ }
+ }
+ Constructor declaredConstructor = userServiceClass.getDeclaredConstructor(constructor.getParameterTypes());
+ UserService userService = declaredConstructor.newInstance("李四");
+ System.out.println(userService);
+ }
+
+ @Test
+ public void test_cglib(){
+ Enhancer enhancer = new Enhancer();
+ enhancer.setSuperclass(UserService.class);
+ enhancer.setCallback(new NoOp() {
+ @Override
+ public int hashCode() {
+ return super.hashCode();
+ }
+ });
+ Object o = enhancer.createClass();
+ System.out.println(o);
+ }
+}
diff --git a/src/test/java/com/xgh/test/spring/service/UserService.java b/src/test/java/com/xgh/test/spring/service/UserService.java
new file mode 100644
index 0000000..b734ca9
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/service/UserService.java
@@ -0,0 +1,33 @@
+package com.xgh.test.spring.service;
+
+/**
+ * com.xgh.test.spring.service.UserService
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月12日
+ */
+public class UserService {
+ private String name;
+
+ public UserService(String name) {
+ this.name = name;
+ }
+
+ public UserService() {
+ }
+
+ public void getUserInfo(){
+ System.out.println("获取用户信息"+name);
+ }
+
+
+ @Override
+ public String toString() {
+ final StringBuilder sb = new StringBuilder("");
+ sb.append("=====").append(name);
+ return sb.toString();
+ }
+
+
+}
diff --git a/src/test/java/com/xgh/test/spring/test03/Test03.java b/src/test/java/com/xgh/test/spring/test03/Test03.java
new file mode 100644
index 0000000..08170ce
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/test03/Test03.java
@@ -0,0 +1,42 @@
+package com.xgh.test.spring.test03;
+
+import com.xgh.test.spring.step03.PropertyValue;
+import com.xgh.test.spring.step03.PropertyValues;
+import com.xgh.test.spring.step03.config.BeanDefinition;
+import com.xgh.test.spring.step03.config.BeanReference;
+import com.xgh.test.spring.step03.support.DefaultListableBeanFactory;
+import org.junit.Test;
+
+/**
+ * com.xgh.test.spring.test03.Test03
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月24日
+ */
+public class Test03 {
+
+
+ @Test
+ public void test_BeanFactory(){
+ DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
+
+ //注册userDao
+ beanFactory.registerBeanDefinition("userDao",new BeanDefinition(UserDao.class));
+
+ //userService
+ PropertyValues propertyValues = new PropertyValues();
+
+ propertyValues.addPropertyValue(new PropertyValue("uId","1001"));
+ propertyValues.addPropertyValue(new PropertyValue("userDao",new BeanReference("userDao")));
+
+
+ //userService注入
+ BeanDefinition beanDefinition = new BeanDefinition(UserService.class, propertyValues);
+ beanFactory.registerBeanDefinition("userService",beanDefinition);
+ UserService userService = (UserService)beanFactory.getBean("userService");
+ userService.queryUserInfo();
+ }
+
+
+}
diff --git a/src/test/java/com/xgh/test/spring/test03/UserDao.java b/src/test/java/com/xgh/test/spring/test03/UserDao.java
new file mode 100644
index 0000000..f9b6c38
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/test03/UserDao.java
@@ -0,0 +1,29 @@
+package com.xgh.test.spring.test03;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * com.xgh.test.spring.test03.UserDao
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月24日
+ */
+public class UserDao {
+
+
+ private static Map hashMap = new HashMap<>();
+
+
+ static {
+ hashMap.put("1001","张三");
+ hashMap.put("1002","李四");
+ hashMap.put("1003","王五");
+ }
+
+
+ public String queryUserName(String uId){
+ return hashMap.get(uId);
+ }
+}
diff --git a/src/test/java/com/xgh/test/spring/test03/UserService.java b/src/test/java/com/xgh/test/spring/test03/UserService.java
new file mode 100644
index 0000000..35798d8
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/test03/UserService.java
@@ -0,0 +1,38 @@
+package com.xgh.test.spring.test03;
+
+/**
+ * com.xgh.test.spring.test03.UserService
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月24日
+ */
+public class UserService {
+
+ private String uId;
+
+ private UserDao userDao;
+
+ public UserService() {
+ }
+
+ public void queryUserInfo(){
+ System.out.println("查询用户信息：" + userDao.queryUserName(uId));
+ }
+
+ public String getuId() {
+ return uId;
+ }
+
+ public void setuId(String uId) {
+ this.uId = uId;
+ }
+
+ public UserDao getUserDao() {
+ return userDao;
+ }
+
+ public void setUserDao(UserDao userDao) {
+ this.userDao = userDao;
+ }
+}
diff --git a/src/test/java/com/xgh/test/spring/test04/Test04.java b/src/test/java/com/xgh/test/spring/test04/Test04.java
new file mode 100644
index 0000000..5554c1c
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/test04/Test04.java
@@ -0,0 +1,55 @@
+package com.xgh.test.spring.test04;
+
+import cn.hutool.core.io.IoUtil;
+import com.xgh.test.spring.step04.beans.factory.support.DefaultListableBeanFactory;
+import com.xgh.test.spring.step04.beans.factory.xml.XmlBeanDefinitionReader;
+import com.xgh.test.spring.step04.core.io.DefaultResourceLoader;
+import com.xgh.test.spring.step04.core.io.Resource;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * com.xgh.test.spring.test04.Test04
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月27日
+ */
+public class Test04 {
+
+ private DefaultResourceLoader resourceLoader;
+
+ @Before
+ public void init(){
+ resourceLoader = new DefaultResourceLoader();
+ }
+
+ @Test
+ public void test_classpath() throws IOException{
+ Resource resource = resourceLoader.getResource("classpath:important.properties");
+ InputStream inputStream = resource.getInputStream();
+ String content = IoUtil.readUtf8(inputStream);
+ System.out.println(content);
+ }
+
+ @Test
+ public void test_file()throws IOException{
+ Resource resource = resourceLoader.getResource("src/test/resources/important.properties");
+ InputStream inputStream = resource.getInputStream();
+ String content = IoUtil.readUtf8(inputStream);
+ System.out.println(content);
+ }
+
+ @Test
+ public void test_xml(){
+ DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
+ XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(beanFactory);
+ reader.loadBeanDefinitions("classpath:spring.xml");
+ UserService userService = beanFactory.getBean("userService", UserService.class);
+ System.out.println(userService.queryUserInfo());
+ }
+
+}
diff --git a/src/test/java/com/xgh/test/spring/test04/UserDao.java b/src/test/java/com/xgh/test/spring/test04/UserDao.java
new file mode 100644
index 0000000..e513f95
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/test04/UserDao.java
@@ -0,0 +1,29 @@
+package com.xgh.test.spring.test04;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * com.xgh.test.spring.test03.UserDao
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月24日
+ */
+public class UserDao {
+
+
+ private static Map hashMap = new HashMap<>();
+
+
+ static {
+ hashMap.put("10001","张三");
+ hashMap.put("10002","李四");
+ hashMap.put("10003","王五");
+ }
+
+
+ public String queryUserName(String uId){
+ return hashMap.get(uId);
+ }
+}
diff --git a/src/test/java/com/xgh/test/spring/test04/UserService.java b/src/test/java/com/xgh/test/spring/test04/UserService.java
new file mode 100644
index 0000000..e74a939
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/test04/UserService.java
@@ -0,0 +1,36 @@
+package com.xgh.test.spring.test04;
+
+
+/**
+ * com.xgh.test.spring.test03.UserService
+ *
+ * @author xgh
+ * @description
+ * @date 2021年08月24日
+ */
+public class UserService {
+
+ private String uId;
+
+ private UserDao userDao;
+
+ public String queryUserInfo() {
+ return userDao.queryUserName(uId);
+ }
+
+ public String getuId() {
+ return uId;
+ }
+
+ public void setuId(String uId) {
+ this.uId = uId;
+ }
+
+ public UserDao getUserDao() {
+ return userDao;
+ }
+
+ public void setUserDao(UserDao userDao) {
+ this.userDao = userDao;
+ }
+}
diff --git a/src/test/java/com/xgh/test/spring/test05/MyBeanFactoryPostProcessor.java b/src/test/java/com/xgh/test/spring/test05/MyBeanFactoryPostProcessor.java
new file mode 100644
index 0000000..d8d69b0
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/test05/MyBeanFactoryPostProcessor.java
@@ -0,0 +1,20 @@
+package com.xgh.test.spring.test05;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.PropertyValue;
+import com.xgh.test.spring.step04.beans.PropertyValues;
+import com.xgh.test.spring.step04.beans.factory.ConfigurableListableBeanFactory;
+import com.xgh.test.spring.step04.beans.factory.config.BeanDefinition;
+import com.xgh.test.spring.step04.beans.factory.config.BeanFactoryPostProcessor;
+
+public class MyBeanFactoryPostProcessor implements BeanFactoryPostProcessor {
+ @Override
+ public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory)
+ throws BeansException {
+ BeanDefinition beanDefinition = beanFactory.getBeanDefinition("userService"
+ );
+ PropertyValues propertyValues = beanDefinition.getPropertyValues();
+ propertyValues.addPropertyValue(new PropertyValue("company", "改为：字节跳动 "));
+ }
+
+}
diff --git a/src/test/java/com/xgh/test/spring/test05/MyBeanPostProcessor.java b/src/test/java/com/xgh/test/spring/test05/MyBeanPostProcessor.java
new file mode 100644
index 0000000..becf977
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/test05/MyBeanPostProcessor.java
@@ -0,0 +1,20 @@
+package com.xgh.test.spring.test05;
+
+import com.xgh.test.spring.step04.beans.BeansException;
+import com.xgh.test.spring.step04.beans.factory.config.BeanPostProcessor;
+
+public class MyBeanPostProcessor implements BeanPostProcessor {
+ @Override
+ public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
+ if("userService".equals(beanName)){
+ UserService userService = (UserService) bean;
+ userService.setLocation("改为北京");
+ }
+ return bean;
+ }
+
+ @Override
+ public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
+ return bean;
+ }
+}
diff --git a/src/test/java/com/xgh/test/spring/test05/Test05.java b/src/test/java/com/xgh/test/spring/test05/Test05.java
new file mode 100644
index 0000000..bd3d9eb
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/test05/Test05.java
@@ -0,0 +1,46 @@
+package com.xgh.test.spring.test05;
+
+import com.xgh.test.spring.step04.beans.factory.support.DefaultListableBeanFactory;
+import com.xgh.test.spring.step04.beans.factory.xml.XmlBeanDefinitionReader;
+import com.xgh.test.spring.step04.context.support.ClassPathXmlApplicationContext;
+import org.junit.Test;
+
+public class Test05 {
+
+
+ @Test
+ public void test_xml() {
+ // 1.初始化 BeanFactory
+ ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("classpath:spring.xml");
+ applicationContext.registerShutdownHook();
+
+ // 2. 获取Bean对象调用方法
+ UserService userService = applicationContext.getBean("userService", UserService.class);
+ String result = userService.queryUserInfo();
+ System.out.println("测试结果：" + result);
+ }
+
+ @Test
+ public void test_hook() {
+ Runtime.getRuntime().addShutdownHook(new Thread(() -> System.out.println("close！")));
+ }
+
+ @Test
+ public void test_BeanFactoryPostProcessorAndBeanPostProcessor() {
+// 1.初始化 BeanFactory
+ DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
+// 2. 读取配置文件&注册 Bean
+ XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(beanFactory);
+ reader.loadBeanDefinitions("classpath:spring.xml");
+// 3. BeanDefinition 加载完成 & Bean 实例化之前，修改 BeanDefinition 的属性值
+ MyBeanFactoryPostProcessor beanFactoryPostProcessor = new MyBeanFactoryPostProcessor();
+ beanFactoryPostProcessor.postProcessBeanFactory(beanFactory);
+// 4. Bean 实例化之后，修改 Bean 属性信息
+ MyBeanPostProcessor beanPostProcessor = new MyBeanPostProcessor();
+ beanFactory.addBeanPostProcessor(beanPostProcessor);
+// 5. 获取 Bean 对象调用方法
+ UserService userService = beanFactory.getBean("userService", UserService.class);
+ String result = userService.queryUserInfo();
+ System.out.println("测试结果： " + result);
+ }
+}
diff --git a/src/test/java/com/xgh/test/spring/test05/UserDao.java b/src/test/java/com/xgh/test/spring/test05/UserDao.java
new file mode 100644
index 0000000..24c0967
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/test05/UserDao.java
@@ -0,0 +1,26 @@
+package com.xgh.test.spring.test05;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class UserDao {
+
+ private static Map hashMap = new HashMap<>();
+
+ public void initDataMethod(){
+ System.out.println("执行：init-method");
+ hashMap.put("10001", "小傅哥");
+ hashMap.put("10002", "八杯水");
+ hashMap.put("10003", "阿毛");
+ }
+
+ public void destroyDataMethod(){
+ System.out.println("执行：destroy-method");
+ hashMap.clear();
+ }
+
+ public String queryUserName(String uId) {
+ return hashMap.get(uId);
+ }
+
+}
diff --git a/src/test/java/com/xgh/test/spring/test05/UserService.java b/src/test/java/com/xgh/test/spring/test05/UserService.java
new file mode 100644
index 0000000..2934a78
--- /dev/null
+++ b/src/test/java/com/xgh/test/spring/test05/UserService.java
@@ -0,0 +1,64 @@
+package com.xgh.test.spring.test05;
+
+
+import com.xgh.test.spring.step04.beans.factory.DisposableBean;
+import com.xgh.test.spring.step04.beans.factory.InitializingBean;
+
+/**
+ *
+ */
+public class UserService implements InitializingBean, DisposableBean {
+
+ private String uId;
+ private String company;
+ private String location;
+ private UserDao userDao;
+
+ @Override
+ public void destroy() throws Exception {
+ System.out.println("执行：UserService.destroy");
+ }
+
+ @Override
+ public void afterPropertiesSet() throws Exception {
+ System.out.println("执行：UserService.afterPropertiesSet");
+ }
+
+ public String queryUserInfo() {
+ return userDao.queryUserName(uId) + "," + company + "," + location;
+ }
+
+ public String getuId() {
+ return uId;
+ }
+
+ public void setuId(String uId) {
+ this.uId = uId;
+ }
+
+ public String getCompany() {
+ return company;
+ }
+
+ public void setCompany(String company) {
+ this.company = company;
+ }
+
+ public String getLocation() {
+ return location;
+ }
+
+ public void setLocation(String location) {
+ this.location = location;
+ }
+
+ public UserDao getUserDao() {
+ return userDao;
+ }
+
+ public void setUserDao(UserDao userDao) {
+ this.userDao = userDao;
+ }
+
+
+}
diff --git a/src/test/resources/Spring.xml b/src/test/resources/Spring.xml
new file mode 100644
index 0000000..203ea83
--- /dev/null
+++ b/src/test/resources/Spring.xml
@@ -0,0 +1,12 @@
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/test/resources/important.properties b/src/test/resources/important.properties
new file mode 100644
index 0000000..9a02442
--- /dev/null
+++ b/src/test/resources/important.properties
@@ -0,0 +1 @@
+system.key=OLpj9823dz
\ No newline at end of file
diff --git a/test/11.txt b/test/11.txt
deleted file mode 100644
index 7153628..0000000
--- a/test/11.txt
+++ /dev/null
@@ -1 +0,0 @@
-1111111
\ No newline at end of file