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

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