org.jpu.patterns.common
Class ReentrantLock

java.lang.Object
  org.jpu.patterns.common.ReentrantLock

All Implemented Interfaces:

IReentrantLock

public class ReentrantLock

extends java.lang.Object

implements IReentrantLock

Constructor Summary

ReentrantLock()
Default constructor.

Method Summary

java.lang.Thread	getOwner() Returns the thread owner of this ReentrantLock.
void	lock() Acquires the lock.
java.lang.String	toString()
boolean	tryLock() Acquires the lock only if it not held by another thread.
void	unlock() Attempts to release this lock.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReentrantLock

public ReentrantLock()

Default constructor.

Method Detail

lock

public void lock()

Acquires the lock.

Specified by:

lock in interface IReentrantLock

tryLock

public boolean tryLock()

Acquires the lock only if it not held by another thread.

Specified by:

tryLock in interface IReentrantLock

Returns:

true if the lock was free and was acquired by the current thread, or the lock was already held by the current thread; false otherwise.

unlock

public void unlock()

Attempts to release this lock. The lock is actually released if at least as many unlock() as lock() have been performed on this ReentrantLock by the current thread. throws IllegalMonitorStateExeception if the current thread does not hold this lock.

Specified by:

unlock in interface IReentrantLock

toString

public java.lang.String toString()

getOwner

public java.lang.Thread getOwner()

Returns the thread owner of this ReentrantLock.

Specified by:

getOwner in interface IReentrantLock

Returns:

the owner of this lock.