org.apache.tomcat.jdbc.pool

Class FairBlockingQueue.ItemFuture<T>

java.lang.Object

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

All Implemented Interfaces:

java.util.concurrent.Future<T>

Enclosing class:

FairBlockingQueue<E>

protected class FairBlockingQueue.ItemFuture<T>
extends java.lang.Object
implements java.util.concurrent.Future<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	canceled
protected T	item
protected FairBlockingQueue.ExchangeCountDownLatch<T>	latch

Constructor Summary

Constructors

Constructor and Description
ItemFuture(FairBlockingQueue.ExchangeCountDownLatch<T> latch)
ItemFuture(T item)

Method Summary

Modifier and Type	Method and Description
boolean	cancel(boolean mayInterruptIfRunning)
T	get()
T	get(long timeout, java.util.concurrent.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

ItemFuture

public ItemFuture(T item)

ItemFuture

public ItemFuture(FairBlockingQueue.ExchangeCountDownLatch<T> latch)

Method Detail

cancel

public boolean cancel(boolean mayInterruptIfRunning)

Specified by:

cancel in interface java.util.concurrent.Future<T>

get

public T get()
      throws java.lang.InterruptedException,
             java.util.concurrent.ExecutionException

Specified by:

get in interface java.util.concurrent.Future<T>

Throws:

java.lang.InterruptedException

java.util.concurrent.ExecutionException

get

public T get(long timeout,
             java.util.concurrent.TimeUnit unit)
      throws java.lang.InterruptedException,
             java.util.concurrent.ExecutionException,
             java.util.concurrent.TimeoutException

Specified by:

get in interface java.util.concurrent.Future<T>

Throws:

java.lang.InterruptedException

java.util.concurrent.ExecutionException

java.util.concurrent.TimeoutException

isCancelled

public boolean isCancelled()

Specified by:

isCancelled in interface java.util.concurrent.Future<T>

isDone

public boolean isDone()

Specified by:

isDone in interface java.util.concurrent.Future<T>