// 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 t seconds
package onjava;
import java.util.concurrent.*;

public class TimedAbort {
 private volatile boolean restart = true;
 public TimedAbort(double t, String msg) {
 CompletableFuture.runAsync(() -> {
 try {
 while(restart) {
 restart = false;
 TimeUnit.MILLISECONDS
 .sleep((int)(1000 * t));
 }
 } catch(InterruptedException e) {
 throw new RuntimeException(e);
 }
 System.out.println(msg);
 System.exit(0);
 });
 }
 public TimedAbort(double t) {
 this(t, "TimedAbort " + t);
 }
 public void restart() { restart = true; }
}