org.gcube.common.core.state

Class GCUBEReadWriteLock.GCUBEReadLock

java.lang.Object

java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock

org.gcube.common.core.state.GCUBEReadWriteLock.GCUBEReadLock

All Implemented Interfaces:

Serializable, Lock

Enclosing class:

GCUBEReadWriteLock

public static class GCUBEReadWriteLock.GCUBEReadLock
extends ReentrantReadWriteLock.ReadLock

An extension of ReentrantReadWriteLock.WriteLock that supports preemptive requests and acquisitions.

Author:

Fabio Simeoni (University of Strathclyde)

See Also:

Serialized Form

Method Summary

Methods

Modifier and Type	Method and Description
void	lock() Deprecated. use lockInterruptibly() instead.
void	lockInterruptibly()
boolean	tryLock() Extends the semantics of Lock.tryLock() to cater for lock preemption.

Methods inherited from class java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock

newCondition, toString, tryLock, unlock

Methods inherited from class java.lang.Object

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

Method Detail

lock

public void lock()
          throws org.gcube.common.core.state.GCUBEReadWriteLock.LockPreemptedException

Deprecated. use lockInterruptibly() instead.

Forces interruptibility on the standard semantics of Lock.lock() to cater for lock preemption.

Specified by:

lock in interface Lock

Overrides:

lock in class ReentrantReadWriteLock.ReadLock

Throws:

LockPreemptedException - if the lock is preempted.

org.gcube.common.core.state.GCUBEReadWriteLock.LockPreemptedException

tryLock

public boolean tryLock()

Extends the semantics of Lock.tryLock() to cater for lock preemption.

Specified by:

tryLock in interface Lock

Overrides:

tryLock in class ReentrantReadWriteLock.ReadLock

Returns:

false if the lock is already held by another thread or has been preempted.

lockInterruptibly

public void lockInterruptibly()
                       throws InterruptedException

Specified by:

lockInterruptibly in interface Lock

Overrides:

lockInterruptibly in class ReentrantReadWriteLock.ReadLock

Throws:

InterruptedException