This post originated from an RSS feed registered with Java Buzz by Lalit Pant. Original Post: A FutureResult based on FutureTask Feed Title: All Things Runnable / Java Feed URL: http://feeds.feedburner.com/lalitpant/java Feed Description: Java related posts on Lalit Pant's Blog Latest Java Buzz Posts Latest Java Buzz Posts by Lalit Pant Latest Posts From All Things Runnable / Java

public class FutureResult<V> {
   volatile V result;

   Exception problem;

   FutureTask<V> resultSyncer;

   public FutureResult() {
       Callable<V> resultReturner = new Callable<V>() {
           public V call() throws Exception {
               if (problem != null) {
                   throw problem;
               } else {
                   return result;
               }
           }
       };
       resultSyncer = new FutureTask<V>(resultReturner);
   }

   public void set(V result) {
       this.result = result;
       resultSyncer.run();
   }

   public void setException(Exception problem) {
       this.problem = problem;
       resultSyncer.run();
   }

   public V get() throws InterruptedException, ExecutionException {
       return resultSyncer.get();
   }
}