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

    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`