OnJava8-Examples/onjava/TimedAbort.java
2017-01-21 16:29:16 -08:00

30 lines
798 B
Java

// onjava/TimedAbort.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.
// Terminate a program after n seconds
package onjava;
import java.util.concurrent.*;
public class TimedAbort {
private volatile boolean restart = true;
public TimedAbort(int n, String msg) {
CompletableFuture.runAsync(() -> {
try {
while(restart) {
restart = false;
TimeUnit.SECONDS.sleep(n);
}
} catch(InterruptedException e) {
throw new RuntimeException(e);
}
System.out.println(msg);
System.exit(0);
});
}
public TimedAbort(int n) {
this(n, "TimedAbort " + n);
}
public void restart() { restart = true; }
}