RWLock (one-nio 1.7.1 API)

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, PaddedRWLock
```
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 Description

RWLock()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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