org.apache.xmlbeans.impl.common

Class Mutex

java.lang.Object

org.apache.xmlbeans.impl.common.Mutex

public class Mutex
extends Object

Constructor Summary

Constructors

Constructor and Description
Mutex()

Method Summary

Modifier and Type	Method and Description
void	acquire() Acquire the mutex.
void	release() Release the mutex.
boolean	tryToAcquire() Attempts to acquire the mutex.

Methods inherited from class java.lang.Object

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

Constructor Detail

Mutex

public Mutex()

Method Detail

acquire

public void acquire()
             throws InterruptedException

Acquire the mutex. The mutex can be acquired multiple times by the same thread, provided that it is released as many times as it is acquired. The calling thread blocks until it has acquired the mutex. (There is no timeout).

Throws:

InterruptedException

tryToAcquire

public boolean tryToAcquire()

Attempts to acquire the mutex. Returns false (and does not block) if it can't get it.

release

public void release()

Release the mutex. The mutex has to be released as many times as it was acquired to actually unlock the resource. The mutex must be released by the thread that acquired it

Throws:

IllegalStateException - (a RuntimeException) if a thread other than the current owner tries to release the mutex.