Package org.apache.accumulo.core.util

Class CancelFlagFuture<T>

java.lang.Object

org.apache.accumulo.core.util.CancelFlagFuture<T>

All Implemented Interfaces:

Future<T>

public class CancelFlagFuture<T>
extends Object
implements Future<T>

A simple future wrapper that will set an atomic boolean to true if a future is successfully canceled

Constructor Summary

Constructors

Constructor	Description
CancelFlagFuture(Future<T> wrappedFuture, AtomicBoolean cancelFlag)

Method Summary

Modifier and Type	Method	Description
boolean	cancel(boolean mayInterruptIfRunning)
T	get()
T	get(long timeout, TimeUnit unit)
boolean	isCancelled()
boolean	isDone()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CancelFlagFuture

public CancelFlagFuture(Future<T> wrappedFuture,
                        AtomicBoolean cancelFlag)

Method Detail

cancel

public boolean cancel(boolean mayInterruptIfRunning)

Specified by:

cancel in interface Future<T>

isCancelled

public boolean isCancelled()

Specified by:

isCancelled in interface Future<T>

isDone

public boolean isDone()

Specified by:

isDone in interface Future<T>

get

public T get()
      throws InterruptedException,
             ExecutionException

Specified by:

get in interface Future<T>

Throws:

InterruptedException

ExecutionException

get

public T get(long timeout,
             TimeUnit unit)
      throws InterruptedException,
             ExecutionException,
             TimeoutException

Specified by:

get in interface Future<T>

Throws:

InterruptedException

ExecutionException

TimeoutException