Package org.jboss.as.ejb3.component.singleton

Class EJBReadWriteLock.WriteLock

java.lang.Object

org.jboss.as.ejb3.component.singleton.EJBReadWriteLock.WriteLock

All Implemented Interfaces:

Serializable, Lock

Enclosing class:

EJBReadWriteLock

public class EJBReadWriteLock.WriteLock
extends Object
implements Lock, Serializable

An implementation of lock which first checks the number of EJBReadWriteLock.ReadLock held by this thread. If the thread already holds a EJBReadWriteLock.ReadLock, then this implementation throws an IllegalLoopbackException when a lock is requested

Version:

$Revision: $

Author:

Jaikiran Pai

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
WriteLock()

Method Summary

Modifier and Type	Method	Description
void	lock()	Ensures that the current thread doesn't hold any read locks.
void	lockInterruptibly()	Ensures that the current thread doesn't hold any read locks.
Condition	newCondition()	Not implemented
boolean	tryLock()	Ensures that the current thread doesn't hold any read locks.
boolean	tryLock(long time, TimeUnit unit)	Ensures that the current thread doesn't hold any read locks.
void	unlock()	This method delegates the call to the internal delegate ReentrantReadWriteLock

Methods inherited from class java.lang.Object

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

Constructor Details

WriteLock

public WriteLock()

Method Details

lock

public void lock()

Ensures that the current thread doesn't hold any read locks. If the thread holds any read locks, this method throws a IllegalLoopbackException. If no read locks are held, then this method delegates the call to the internal delegate ReentrantReadWriteLock

Specified by:

lock in interface Lock

lockInterruptibly

public void lockInterruptibly()
                       throws InterruptedException

Ensures that the current thread doesn't hold any read locks. If the thread holds any read locks, this method throws a IllegalLoopbackException. If no read locks are held, then this method delegates the call to the internal delegate ReentrantReadWriteLock

Specified by:

lockInterruptibly in interface Lock

Throws:

InterruptedException

newCondition

public Condition newCondition()

Not implemented

Specified by:

newCondition in interface Lock

Throws:

UnsupportedOperationException

tryLock

public boolean tryLock()

Ensures that the current thread doesn't hold any read locks. If the thread holds any read locks, this method throws a IllegalLoopbackException. If no read locks are held, then this method delegates the call to the internal delegate ReentrantReadWriteLock

Specified by:

tryLock in interface Lock

tryLock

public boolean tryLock(long time,
 TimeUnit unit)
                throws InterruptedException

Ensures that the current thread doesn't hold any read locks. If the thread holds any read locks, this method throws a IllegalLoopbackException. If no read locks are held, then this method delegates the call to the internal delegate ReentrantReadWriteLock

Specified by:

tryLock in interface Lock

Throws:

InterruptedException

unlock

public void unlock()

This method delegates the call to the internal delegate ReentrantReadWriteLock

Specified by:

unlock in interface Lock