// ui/LongRunningTask.java

// (c)2016 MindView LLC: see Copyright.txt

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

// Visit http://mindviewinc.com/Books/OnJava/ for more book information.

// A badly designed program

import javax.swing.*;

import java.awt.*;

import java.util.concurrent.*;

import static onjava.SwingConsole.*;

public class LongRunningTask extends JFrame {

private JButton

b1 = new JButton("Start Long Running Task"),

b2 = new JButton("End Long Running Task");

public LongRunningTask() {

b1.addActionListener(e -> {

try {

TimeUnit.SECONDS.sleep(3);

} catch(InterruptedException ex) {

System.out.println("Task interrupted");

return;

}

System.out.println("Task completed");

});

b2.addActionListener(e -> {

// Interrupt yourself?

Thread.currentThread().interrupt();

});

setLayout(new FlowLayout());

add(b1);

add(b2);

}

public static void main(String[] args) {

run(new LongRunningTask(), 200, 150);

}

}