Class ClosingFuture.Peeker
- java.lang.Object
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- com.google.common.util.concurrent.ClosingFuture.Peeker
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- Enclosing class:
- ClosingFuture<V extends @Nullable java.lang.Object>
public static final class ClosingFuture.Peeker extends java.lang.Object
An object that can return the value of theClosingFuture
s that are passed toClosingFuture.whenAllComplete(Iterable)
orClosingFuture.whenAllSucceed(Iterable)
.Only for use by a
ClosingFuture.Combiner.CombiningCallable
orClosingFuture.Combiner.AsyncCombiningCallable
object.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description <D extends @Nullable java.lang.Object>
DgetDone(ClosingFuture<D> closingFuture)
Returns the value ofclosingFuture
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Method Detail
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getDone
public final <D extends @Nullable java.lang.Object> D getDone(ClosingFuture<D> closingFuture) throws java.util.concurrent.ExecutionException
Returns the value ofclosingFuture
.- Throws:
java.util.concurrent.ExecutionException
- ifclosingFuture
is a failed stepjava.util.concurrent.CancellationException
- if theclosingFuture
's future was cancelledjava.lang.IllegalArgumentException
- ifclosingFuture
is not one of the futures passed toClosingFuture.whenAllComplete(Iterable)
orClosingFuture.whenAllComplete(Iterable)
java.lang.IllegalStateException
- if called outside of a call toClosingFuture.Combiner.CombiningCallable.call(DeferredCloser, Peeker)
orClosingFuture.Combiner.AsyncCombiningCallable.call(DeferredCloser, Peeker)
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