org.jboss.jca.core.connectionmanager.pool.api

Class Semaphore

java.lang.Object

java.util.concurrent.Semaphore

org.jboss.jca.core.connectionmanager.pool.api.Semaphore

All Implemented Interfaces:

java.io.Serializable

public class Semaphore
extends java.util.concurrent.Semaphore

A semaphore implementation that supports statistics

Author:

Jesper Pedersen

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Semaphore(int maxSize, boolean fairness, PoolStatisticsImpl statistics) Constructor

Method Summary

Modifier and Type	Method and Description
java.util.Collection<java.lang.Thread>	getQueuedThreads()
void	release()
boolean	tryAcquire(long timeout, java.util.concurrent.TimeUnit unit)

Methods inherited from class java.util.concurrent.Semaphore

acquire, acquire, acquireUninterruptibly, acquireUninterruptibly, availablePermits, drainPermits, getQueueLength, hasQueuedThreads, isFair, reducePermits, release, toString, tryAcquire, tryAcquire, tryAcquire

Methods inherited from class java.lang.Object

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

Constructor Detail

Semaphore

public Semaphore(int maxSize,
                 boolean fairness,
                 PoolStatisticsImpl statistics)

Constructor

Parameters:

maxSize - The maxumum size

fairness - The fairness

statistics - The statistics module

Method Detail

tryAcquire

public boolean tryAcquire(long timeout,
                          java.util.concurrent.TimeUnit unit)
                   throws java.lang.InterruptedException

Overrides:

tryAcquire in class java.util.concurrent.Semaphore

Throws:

java.lang.InterruptedException

release

public void release()

Overrides:

release in class java.util.concurrent.Semaphore

getQueuedThreads

public java.util.Collection<java.lang.Thread> getQueuedThreads()

Overrides:

getQueuedThreads in class java.util.concurrent.Semaphore