one.nio.lock

Class RWLock

java.lang.Object

java.util.concurrent.locks.AbstractOwnableSynchronizer

java.util.concurrent.locks.AbstractQueuedSynchronizer

one.nio.lock.RWLock

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

FairRWLock

public class RWLock
extends AbstractQueuedSynchronizer

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.concurrent.locks.AbstractQueuedSynchronizer

AbstractQueuedSynchronizer.ConditionObject

Constructor Summary

Constructors

Constructor and Description
RWLock()

Method Summary

Modifier and Type	Method and Description
void	downgrade()
RWLock	lockRead()
boolean	lockRead(long timeout)
RWLock	lockWrite()
boolean	lockWrite(long timeout)
protected int	tryAcquireShared(int acquires)
protected boolean	tryReleaseShared(int releases)
void	unlock(boolean write)
void	unlockRead()
void	unlockWrite()

Methods inherited from class java.util.concurrent.locks.AbstractQueuedSynchronizer

acquire, acquireInterruptibly, acquireShared, acquireSharedInterruptibly, compareAndSetState, getExclusiveQueuedThreads, getFirstQueuedThread, getQueuedThreads, getQueueLength, getSharedQueuedThreads, getState, getWaitingThreads, getWaitQueueLength, hasContended, hasQueuedPredecessors, hasQueuedThreads, hasWaiters, isHeldExclusively, isQueued, owns, release, releaseShared, setState, toString, tryAcquire, tryAcquireNanos, tryAcquireSharedNanos, tryRelease

Methods inherited from class java.util.concurrent.locks.AbstractOwnableSynchronizer

getExclusiveOwnerThread, setExclusiveOwnerThread

Methods inherited from class java.lang.Object

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

Constructor Detail

RWLock

public RWLock()

Method Detail

lockRead

public final RWLock lockRead()

lockRead

public final boolean lockRead(long timeout)

unlockRead

public final void unlockRead()

lockWrite

public final RWLock lockWrite()

lockWrite

public final boolean lockWrite(long timeout)

unlockWrite

public final void unlockWrite()

unlock

public final void unlock(boolean write)

downgrade

public final void downgrade()

tryAcquireShared

protected int tryAcquireShared(int acquires)

Overrides:

tryAcquireShared in class AbstractQueuedSynchronizer

tryReleaseShared

protected final boolean tryReleaseShared(int releases)

Overrides:

tryReleaseShared in class AbstractQueuedSynchronizer