// innerclasses/controller/Controller.java

// (c)2017 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// The reusable framework for control systems

package innerclasses.controller;

import java.util.*;

public class Controller {

// A class from java.util to hold Event objects:

private List<Event> eventList = new ArrayList<>();

public void addEvent(Event c) { eventList.add(c); }

public void run() {

while(eventList.size() > 0)

// Make a copy so you're not modifying the list

// while you're selecting the elements in it:

for(Event e : new ArrayList<>(eventList))

if(e.ready()) {

System.out.println(e);

e.action();

eventList.remove(e);

}

}

}