Package org.elasticsearch.common.util.concurrent

Class FutureUtils

  • public class FutureUtils
extends java.lang.Object

    • Constructor Summary

      Constructors 
      Constructor Description
      FutureUtils()  

    • 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)
      Calls Future.get() without the checked exceptions.
      static <T> T get​(java.util.concurrent.Future<T> future, long timeout, java.util.concurrent.TimeUnit unit)
      Calls Future.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

    • Constructor Detail

      • FutureUtils

        public FutureUtils()

    • Method Detail

      • cancel

        public static boolean cancel​(@Nullable
                             java.util.concurrent.Future<?> toCancel)
        Cancel execution of this future without interrupting a running thread. See Future.cancel(boolean) for details.
        Parameters:
        toCancel - the future to cancel
        Returns:
        false if the future could not be cancelled, otherwise true

      • get

        public static <T> T get​(java.util.concurrent.Future<T> future)
        Calls Future.get() without the checked exceptions.
        Type Parameters:
        T - the type returned
        Parameters:
        future - to dereference
        Returns:
        the value of the future

      • get

        public static <T> T get​(java.util.concurrent.Future<T> future,
                        long timeout,
                        java.util.concurrent.TimeUnit unit)
        Calls Future.get(long, TimeUnit) without the checked exceptions.
        Type Parameters:
        T - the type returned
        Parameters:
        future - to dereference
        timeout - to wait
        unit - for timeout
        Returns:
        the value of the future

      • rethrowExecutionException

        public static java.lang.RuntimeException rethrowExecutionException​(java.util.concurrent.ExecutionException e)