java.util.concurrent.locks
Class AbstractQueuedSynchronizer

java.lang.Object
  java.util.concurrent.locks.AbstractQueuedSynchronizer

All Implemented Interfaces:

Serializable

public abstract class AbstractQueuedSynchronizer
extends Object
implements Serializable

See Also:

Serialized Form

Nested Class Summary

class

AbstractQueuedSynchronizer.ConditionObject

Constructor Summary

protected

AbstractQueuedSynchronizer()

Method Summary

void	acquire(int arg)
void	acquireInterruptibly(int arg)
void	acquireShared(int arg)
void	acquireSharedInterruptibly(int arg)
protected boolean	compareAndSetState(int expect, int update)
Collection	getExclusiveQueuedThreads()
Thread	getFirstQueuedThread()
Collection	getQueuedThreads()
int	getQueueLength()
Collection	getSharedQueuedThreads()
protected int	getState()
Collection	getWaitingThreads(AbstractQueuedSynchronizer.ConditionObject condition)
int	getWaitQueueLength(AbstractQueuedSynchronizer.ConditionObject condition)
boolean	hasContended()
boolean	hasQueuedThreads()
boolean	hasWaiters(AbstractQueuedSynchronizer.ConditionObject condition)
protected boolean	isHeldExclusively()
boolean	isQueued(Thread thread)
boolean	owns(AbstractQueuedSynchronizer.ConditionObject condition)
boolean	release(int arg)
boolean	releaseShared(int arg)
protected void	setState(int newState)
String	toString()
protected boolean	tryAcquire(int arg)
boolean	tryAcquireNanos(int arg, long nanosTimeout)
protected int	tryAcquireShared(int arg)
boolean	tryAcquireSharedNanos(int arg, long nanosTimeout)
protected boolean	tryRelease(int arg)
protected boolean	tryReleaseShared(int arg)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractQueuedSynchronizer

protected AbstractQueuedSynchronizer()

Method Detail

getState

protected final int getState()

setState

protected final void setState(int newState)

compareAndSetState

protected final boolean compareAndSetState(int expect,
                                           int update)

tryAcquire

protected boolean tryAcquire(int arg)

tryRelease

protected boolean tryRelease(int arg)

tryAcquireShared

protected int tryAcquireShared(int arg)

tryReleaseShared

protected boolean tryReleaseShared(int arg)

isHeldExclusively

protected boolean isHeldExclusively()

acquire

public final void acquire(int arg)

acquireInterruptibly

public final void acquireInterruptibly(int arg)
                                throws InterruptedException

Throws:

InterruptedException

tryAcquireNanos

public final boolean tryAcquireNanos(int arg,
                                     long nanosTimeout)
                              throws InterruptedException

Throws:

InterruptedException

release

public final boolean release(int arg)

acquireShared

public final void acquireShared(int arg)

acquireSharedInterruptibly

public final void acquireSharedInterruptibly(int arg)
                                      throws InterruptedException

Throws:

InterruptedException

tryAcquireSharedNanos

public final boolean tryAcquireSharedNanos(int arg,
                                           long nanosTimeout)
                                    throws InterruptedException

Throws:

InterruptedException

releaseShared

public final boolean releaseShared(int arg)

hasQueuedThreads

public final boolean hasQueuedThreads()

hasContended

public final boolean hasContended()

getFirstQueuedThread

public final Thread getFirstQueuedThread()

isQueued

public final boolean isQueued(Thread thread)

getQueueLength

public final int getQueueLength()

getQueuedThreads

public final Collection getQueuedThreads()

getExclusiveQueuedThreads

public final Collection getExclusiveQueuedThreads()

getSharedQueuedThreads

public final Collection getSharedQueuedThreads()

toString

public String toString()

Overrides:

toString in class Object

owns

public final boolean owns(AbstractQueuedSynchronizer.ConditionObject condition)

hasWaiters

public final boolean hasWaiters(AbstractQueuedSynchronizer.ConditionObject condition)

getWaitQueueLength

public final int getWaitQueueLength(AbstractQueuedSynchronizer.ConditionObject condition)

getWaitingThreads

public final Collection getWaitingThreads(AbstractQueuedSynchronizer.ConditionObject condition)