Package org.apache.tomcat.jdbc.pool

Class MultiLockFairBlockingQueue.ItemFuture<T>

java.lang.Object

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

All Implemented Interfaces:

Future<T>

Enclosing class:

MultiLockFairBlockingQueue<E>

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

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
ItemFuture(MultiLockFairBlockingQueue<E>.ExchangeCountDownLatch<T> latch)
ItemFuture(T item)

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

Field Details

item

protected volatile T item

latch

protected volatile MultiLockFairBlockingQueue<E>.ExchangeCountDownLatch<T> latch

canceled

protected volatile boolean canceled

Constructor Details

ItemFuture

public ItemFuture(T item)

ItemFuture

public ItemFuture(MultiLockFairBlockingQueue<E>.ExchangeCountDownLatch<T> latch)

Method Details

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>