FutureWrapper (Google App Engine API for Java)

com.google.appengine.api.utils

Class FutureWrapper<K,V>

  • java.lang.Object
    • com.google.appengine.api.utils.FutureWrapper<K,V>
  • Type Parameters:
    K - The type of this Future
    V - The type of the wrapped Future
    All Implemented Interfaces:
    java.util.concurrent.Future<V>


    public abstract class FutureWrapper<K,V>
    extends java.lang.Object
    implements java.util.concurrent.Future<V>
    FutureWrapper is a simple Future that wraps a parent Future. This class is thread-safe.
    • Constructor Summary

      Constructors 
      Constructor and Description
      FutureWrapper(java.util.concurrent.Future<K> parent) 
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      boolean cancel(boolean mayInterruptIfRunning) 
      boolean equals(java.lang.Object obj) 
      V get() 
      V get(long timeout, java.util.concurrent.TimeUnit unit) 
      int hashCode() 
      boolean isCancelled() 
      boolean isDone() 
      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • FutureWrapper

        public FutureWrapper(java.util.concurrent.Future<K> parent)
    • Method Detail

      • cancel

        public boolean cancel(boolean mayInterruptIfRunning)
        Specified by:
        cancel in interface java.util.concurrent.Future<V>
      • isCancelled

        public boolean isCancelled()
        Specified by:
        isCancelled in interface java.util.concurrent.Future<V>
      • isDone

        public boolean isDone()
        Specified by:
        isDone in interface java.util.concurrent.Future<V>
      • get

        public V get()
              throws java.util.concurrent.ExecutionException,
                     java.lang.InterruptedException
        Specified by:
        get in interface java.util.concurrent.Future<V>
        Throws:
        java.util.concurrent.ExecutionException
        java.lang.InterruptedException
      • get

        public V get(long timeout,
                     java.util.concurrent.TimeUnit unit)
              throws java.lang.InterruptedException,
                     java.util.concurrent.TimeoutException,
                     java.util.concurrent.ExecutionException
        Specified by:
        get in interface java.util.concurrent.Future<V>
        Throws:
        java.lang.InterruptedException
        java.util.concurrent.TimeoutException
        java.util.concurrent.ExecutionException
      • hashCode

        public final int hashCode()
        Overrides:
        hashCode in class java.lang.Object
      • equals

        public final boolean equals(java.lang.Object obj)
        Overrides:
        equals in class java.lang.Object

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App Engine standard environment for Java