Package org.apache.jackrabbit.oak.commons.concurrent

Class NotifyingFutureTask

java.lang.Object

java.util.concurrent.FutureTask<Void>

org.apache.jackrabbit.oak.commons.concurrent.NotifyingFutureTask

All Implemented Interfaces:

Runnable, Future<Void>, RunnableFuture<Void>

public class NotifyingFutureTask
extends FutureTask<Void>

A Future that accepts completion listener. The listener is invoked once the future's computation is complete. If the computation has already completed when the listener is added, the listener will execute immediately.

Listener is invoked synchronously on the same thread which is used to executed the Future

Constructor Summary

Constructors

Constructor	Description
NotifyingFutureTask(Runnable task)
NotifyingFutureTask(Callable<Void> callable)

Method Summary

Modifier and Type	Method	Description
static NotifyingFutureTask	completed()
protected void	done()
void	onComplete(Runnable onComplete)	Set the on complete handler.

Methods inherited from class java.util.concurrent.FutureTask

cancel, get, get, isCancelled, isDone, run, runAndReset, set, setException, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

NotifyingFutureTask

public NotifyingFutureTask(Callable<Void> callable)

NotifyingFutureTask

public NotifyingFutureTask(Runnable task)

Method Detail

onComplete

public void onComplete(Runnable onComplete)

Set the on complete handler. The handler will run exactly once after the task terminated. If the task has already terminated at the time of this method call the handler will execute immediately.

Note: there is no guarantee to which handler will run when the method is called multiple times with different arguments.

Parameters:

onComplete - listener to invoke upon completion

done

protected void done()

Overrides:

done in class FutureTask<Void>

completed

public static NotifyingFutureTask completed()