org.jgroups.util
Class ReentrantLatch
public final
class
ReentrantLatch
extends Object
Enables safely locking and unlocking a shared resource, without blocking the calling threads. Blocking is only done
on the 'passThrough' method.
Version: 1.0
Author: yaronr / Dmitry Gershkovich
public ReentrantLatch()
Create a new unlocked latch.
public ReentrantLatch(boolean locked)
Create a reentrant latch
Parameters: locked is the latch to be created locked or not
public void lock()
Lock the latch. If it is already locked, this method will have no side effects. This method will not block.
public void passThrough()
Pass through only when the latch becomes unlocked. If the latch is locked, wait until someone unlocks it. Does
not lock the latch.
Throws: InterruptedException
public void unlock()
Unlock the latch. If it is already unlocked, this method will have no side effects. This method will not block.
Copyright ? 1998-2005 Bela Ban. All Rights Reserved.