com.amazonaws.services.simpleworkflow.flow.core

Class AndPromise

java.lang.Object

com.amazonaws.services.simpleworkflow.flow.core.Promise<Void>

com.amazonaws.services.simpleworkflow.flow.core.AndPromise

public class AndPromise
extends Promise<Void>

Promise that becomes ready when all its values are ready. null value is considered ready.

Constructor Summary

Constructors

Constructor and Description
AndPromise(Collection<Promise> collection)
AndPromise(Promise<?>... values)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addCallback(Runnable callback) Compliant implementation should notify callbacks after promise is set to ready state.
Void	get()
Promise[]	getValues()
boolean	isReady()
protected void	removeCallback(Runnable callback)

Methods inherited from class com.amazonaws.services.simpleworkflow.flow.core.Promise

asPromise, getDescription, Void

Methods inherited from class java.lang.Object

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

Constructor Detail

AndPromise

public AndPromise(Promise<?>... values)

AndPromise

public AndPromise(Collection<Promise> collection)

Method Detail

getValues

public Promise[] getValues()

addCallback

protected void addCallback(Runnable callback)

Description copied from class: Promise

Compliant implementation should notify callbacks after promise is set to ready state.

Specified by:

addCallback in class Promise<Void>

Parameters:

callback - callback to notify

get

public Void get()

Specified by:

get in class Promise<Void>

Returns:

result of your asynchronous computation

isReady

public boolean isReady()

Specified by:

isReady in class Promise<Void>

Returns:

true if the result of your asynchronous computation is available

removeCallback

protected void removeCallback(Runnable callback)

Specified by:

removeCallback in class Promise<Void>