Using interrupt() to break out of a blocked thread.
//: c13:Interrupt.java
// Using interrupt() to break out of a blocked thread.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
import java.util.*;
class Blocked extends Thread {
public Blocked() {
System.out.println("Starting Blocked");
start();
}
public void run() {
try {
synchronized(this) {
wait(); // Blocks
}
} catch(InterruptedException e) {
System.out.println("Interrupted");
}
System.out.println("Exiting run()");
}
}
public class Interrupt {
static Blocked blocked = new Blocked();
public static void main(String[] args) {
new Timer(true).schedule(new TimerTask() {
public void run() {
System.out.println("Preparing to interrupt");
blocked.interrupt();
blocked = null; // to release it
}
}, 2000); // run() after 2000 milliseconds
}
} ///:~
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