Package org.apache.activemq.util

Class Promise<T>

java.lang.Object

org.apache.activemq.util.PromiseCallback<T>

org.apache.activemq.util.Promise<T>

public class Promise<T>
extends PromiseCallback<T>

Used to implement callback based result passing of a promised computation. Can be converted to a future using the future() method.

Author:

Hiram Chirino

Constructor Summary

Constructors

Constructor	Description
Promise()

Method Summary

Modifier and Type	Method	Description
Future<T>	future()
void	onComplete(T value, Throwable error)
void	watch(PromiseCallback<T> callback)

Methods inherited from class java.lang.Object

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

Constructor Details

Promise

public Promise()

Method Details

future

public Future<T> future()

watch

public void watch(PromiseCallback<T> callback)

onComplete

public void onComplete(T value,
 Throwable error)

Specified by:

onComplete in class PromiseCallback<T>