Class ClosingFuture.Peeker

java.lang.Object

com.google.common.util.concurrent.ClosingFuture.Peeker

Enclosing class:

ClosingFuture<V extends @Nullable Object>

public static final class ClosingFuture.Peeker
extends Object

An object that can return the value of the ClosingFutures that are passed to ClosingFuture.whenAllComplete(Iterable) or ClosingFuture.whenAllSucceed(Iterable).

Only for use by a ClosingFuture.Combiner.CombiningCallable or ClosingFuture.Combiner.AsyncCombiningCallable object.

Since:

30.0

Method Summary

Modifier and Type	Method	Description
final <D extends @Nullable Object> D	getDone(ClosingFuture<D> closingFuture)	Returns the value of closingFuture.

Methods inherited from class java.lang.Object

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

Method Details

getDone

public final <D extends @Nullable Object> D getDone(ClosingFuture<D> closingFuture)
                                             throws ExecutionException

Returns the value of closingFuture.

Throws:

ExecutionException - if closingFuture is a failed step

CancellationException - if the closingFuture's future was cancelled

IllegalArgumentException - if closingFuture is not one of the futures passed to ClosingFuture.whenAllComplete(Iterable) or ClosingFuture.whenAllComplete(Iterable)

IllegalStateException - if called outside of a call to ClosingFuture.Combiner.CombiningCallable.call(DeferredCloser, Peeker) or ClosingFuture.Combiner.AsyncCombiningCallable.call(DeferredCloser, Peeker)