org.apache.openjpa.slice
Class ReentrantSliceLock

java.lang.Object
  extended by java.util.concurrent.locks.ReentrantLock
      extended by org.apache.openjpa.slice.ReentrantSliceLock
All Implemented Interfaces:
Serializable, Lock

public class ReentrantSliceLock
extends ReentrantLock

A reentrant lock that lets a child to work with the parent's lock.

Author:
Pinaki Poddar
See Also:
Serialized Form

Constructor Summary
ReentrantSliceLock()
           
ReentrantSliceLock(boolean fair)
           
 
Method Summary
 void lock()
          Locks only for parent thread and let the child use parent's lock.
 void unlock()
          Unlocks only if parent thread.
 
Methods inherited from class java.util.concurrent.locks.ReentrantLock
getHoldCount, getOwner, getQueuedThreads, getQueueLength, getWaitingThreads, getWaitQueueLength, hasQueuedThread, hasQueuedThreads, hasWaiters, isFair, isHeldByCurrentThread, isLocked, lockInterruptibly, newCondition, toString, tryLock, tryLock
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ReentrantSliceLock

public ReentrantSliceLock()

ReentrantSliceLock

public ReentrantSliceLock(boolean fair)
Method Detail

lock

public void lock()
Locks only for parent thread and let the child use parent's lock.

Specified by:
lock in interface Lock
Overrides:
lock in class ReentrantLock

unlock

public void unlock()
Unlocks only if parent thread.

Specified by:
unlock in interface Lock
Overrides:
unlock in class ReentrantLock


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