Class FutureUtils
java.lang.Object
org.elasticsearch.common.util.concurrent.FutureUtils
public class FutureUtils
extends java.lang.Object
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Constructor Summary
Constructors Constructor Description FutureUtils()
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Method Summary
Modifier and Type Method Description static boolean
cancel(java.util.concurrent.Future<?> toCancel)
Cancel execution of this future without interrupting a running thread.static <T> T
get(java.util.concurrent.Future<T> future)
CallsFuture.get()
without the checked exceptions.static <T> T
get(java.util.concurrent.Future<T> future, long timeout, java.util.concurrent.TimeUnit unit)
CallsFuture.get(long, TimeUnit)
without the checked exceptions.static java.lang.RuntimeException
rethrowExecutionException(java.util.concurrent.ExecutionException e)
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Constructor Details
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FutureUtils
public FutureUtils()
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Method Details
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cancel
public static boolean cancel(@Nullable java.util.concurrent.Future<?> toCancel)Cancel execution of this future without interrupting a running thread. SeeFuture.cancel(boolean)
for details.- Parameters:
toCancel
- the future to cancel- Returns:
- false if the future could not be cancelled, otherwise true
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get
public static <T> T get(java.util.concurrent.Future<T> future)CallsFuture.get()
without the checked exceptions.- Type Parameters:
T
- the type returned- Parameters:
future
- to dereference- Returns:
- the value of the future
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get
public static <T> T get(java.util.concurrent.Future<T> future, long timeout, java.util.concurrent.TimeUnit unit)CallsFuture.get(long, TimeUnit)
without the checked exceptions.- Type Parameters:
T
- the type returned- Parameters:
future
- to dereferencetimeout
- to waitunit
- for timeout- Returns:
- the value of the future
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rethrowExecutionException
public static java.lang.RuntimeException rethrowExecutionException(java.util.concurrent.ExecutionException e)
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