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Java Source Code / Java Documentation » Science » javolution 5.2 » javolution.util

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

javolution.util .ReentrantLock

ReentrantLock
public class ReentrantLock (Code)
	This class represents a reentrant lock with the same semantics as built-in Java synchronized locks: Once a thread has a lock, it can re-obtain it any number of times without blocking. author: Doug Lea author: Jean-Marie Dautelle version: 1.0, October 4, 2004

Constructor Summary
public	ReentrantLock() Default constructor.

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

Constructor Detail

ReentrantLock
public ReentrantLock()(Code)
	Default constructor.

Method Detail

getOwner
public Thread getOwner()(Code)
	Returns the thread owner of this ReentrantLock . the owner of this lock.

lock
public void lock()(Code)
	Acquires the lock.

tryLock
public boolean tryLock()(Code)
	Acquires the lock only if it not held by another thread. `true` if the lock was free and was acquired by thecurrent thread, or the lock was already held by the currentthread; `false` otherwise.

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

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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