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

FutureIterables()

Method Summary

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