org.jclouds.concurrent

Class FutureIterables

java.lang.Object

org.jclouds.concurrent.FutureIterables

@Beta
public class FutureIterables
extends Object

functions related to or replacing those in Iterables dealing with Futures

Author:

Adrian Cole

Constructor Summary

Constructors

Constructor and Description
FutureIterables()

Method Summary

Methods

Modifier and Type	Method and Description
static <F> Map<F,Exception>	awaitCompletion(Map<F,? extends com.google.common.util.concurrent.ListenableFuture<?>> responses, com.google.common.util.concurrent.ListeningExecutorService exec, Long maxTime, Logger logger, String logPrefix)
static <F,T> Iterable<T>	transformParallel(Iterable<F> fromIterable, com.google.common.base.Function<? super F,com.google.common.util.concurrent.ListenableFuture<? extends T>> function, com.google.common.util.concurrent.ListeningExecutorService exec, Long maxTime, Logger logger, String logPrefix)
static <F,T> Iterable<T>	transformParallel(Iterable<F> fromIterable, com.google.common.base.Function<? super F,com.google.common.util.concurrent.ListenableFuture<? extends T>> function, com.google.common.util.concurrent.ListeningExecutorService exec, Long maxTime, Logger logger, String logPrefix, BackoffLimitedRetryHandler retryHandler, int maxRetries)

Methods inherited from class java.lang.Object

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

Constructor Detail

FutureIterables

public FutureIterables()

Method Detail

transformParallel

public static <F,T> Iterable<T> transformParallel(Iterable<F> fromIterable,
                                  com.google.common.base.Function<? super F,com.google.common.util.concurrent.ListenableFuture<? extends T>> function,
                                  com.google.common.util.concurrent.ListeningExecutorService exec,
                                  @Nullable
                                  Long maxTime,
                                  Logger logger,
                                  String logPrefix)

transformParallel

public static <F,T> Iterable<T> transformParallel(Iterable<F> fromIterable,
                                  com.google.common.base.Function<? super F,com.google.common.util.concurrent.ListenableFuture<? extends T>> function,
                                  com.google.common.util.concurrent.ListeningExecutorService exec,
                                  @Nullable
                                  Long maxTime,
                                  Logger logger,
                                  String logPrefix,
                                  BackoffLimitedRetryHandler retryHandler,
                                  int maxRetries)

awaitCompletion

public static <F> Map<F,Exception> awaitCompletion(Map<F,? extends com.google.common.util.concurrent.ListenableFuture<?>> responses,
                                   com.google.common.util.concurrent.ListeningExecutorService exec,
                                   @Nullable
                                   Long maxTime,
                                   Logger logger,
                                   String logPrefix)
                                        throws TimeoutException

Throws:

TimeoutException