org.apache.tomcat.jdbc.pool
Class FairBlockingQueue.ItemFuture<T>

java.lang.Object
  org.apache.tomcat.jdbc.pool.FairBlockingQueue.ItemFuture<T>

All Implemented Interfaces:

Future<T>

Enclosing class:

FairBlockingQueue<E>

protected class FairBlockingQueue.ItemFuture<T>
extends Object
implements Future<T>

Field Summary

protected boolean	canceled
protected T	item
protected FairBlockingQueue.ExchangeCountDownLatch<T>	latch

Constructor Summary

FairBlockingQueue.ItemFuture(FairBlockingQueue.ExchangeCountDownLatch<T> latch)

FairBlockingQueue.ItemFuture(T item)

Method Summary

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

Field Detail

item

protected volatile T item

latch

protected volatile FairBlockingQueue.ExchangeCountDownLatch<T> latch

canceled

protected volatile boolean canceled

Constructor Detail

FairBlockingQueue.ItemFuture

public FairBlockingQueue.ItemFuture(T item)

FairBlockingQueue.ItemFuture

public FairBlockingQueue.ItemFuture(FairBlockingQueue.ExchangeCountDownLatch<T> latch)

Method Detail

cancel

public boolean cancel(boolean mayInterruptIfRunning)

Specified by:

cancel 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

isCancelled

public boolean isCancelled()

Specified by:

isCancelled in interface Future<T>

isDone

public boolean isDone()

Specified by:

isDone in interface Future<T>