com.google.api.core

Class ApiFutures

java.lang.Object

com.google.api.core.ApiFutures

public final class ApiFutures
extends Object

Static utility methods for the ApiFuture interface.

Method Summary

Modifier and Type	Method and Description
static <V> void	addCallback(ApiFuture<V> future, ApiFutureCallback<? super V> callback)
static <V> ApiFuture<List<V>>	allAsList(Iterable<? extends ApiFuture<? extends V>> futures)
static <V,X extends Throwable> ApiFuture<V>	catching(ApiFuture<? extends V> input, Class<X> exceptionType, ApiFunction<? super X,? extends V> callback)
static <V> ApiFuture<V>	immediateFailedFuture(Throwable throwable)
static <V> ApiFuture<V>	immediateFuture(V value)
static <V,X> ApiFuture<X>	transform(ApiFuture<? extends V> input, ApiFunction<? super V,? extends X> function)
static <I,O> ApiFuture<O>	transformAsync(ApiFuture<I> input, ApiAsyncFunction<I,O> function)

Methods inherited from class java.lang.Object

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

Method Detail

addCallback

public static <V> void addCallback(ApiFuture<V> future,
                                   ApiFutureCallback<? super V> callback)

catching

public static <V,X extends Throwable> ApiFuture<V> catching(ApiFuture<? extends V> input,
                                                            Class<X> exceptionType,
                                                            ApiFunction<? super X,? extends V> callback)

immediateFuture

public static <V> ApiFuture<V> immediateFuture(V value)

immediateFailedFuture

public static <V> ApiFuture<V> immediateFailedFuture(Throwable throwable)

transform

public static <V,X> ApiFuture<X> transform(ApiFuture<? extends V> input,
                                           ApiFunction<? super V,? extends X> function)

allAsList

public static <V> ApiFuture<List<V>> allAsList(Iterable<? extends ApiFuture<? extends V>> futures)

transformAsync

public static <I,O> ApiFuture<O> transformAsync(ApiFuture<I> input,
                                                ApiAsyncFunction<I,O> function)