org.apache.openjpa.slice
Class ReentrantSliceLock

java.lang.Object
  java.util.concurrent.locks.ReentrantLock
      org.apache.openjpa.slice.ReentrantSliceLock

All Implemented Interfaces:

java.io.Serializable, java.util.concurrent.locks.Lock

public class ReentrantSliceLock
extends java.util.concurrent.locks.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 java.util.concurrent.locks.Lock

Overrides:

lock in class java.util.concurrent.locks.ReentrantLock

unlock

public void unlock()

Unlocks only if parent thread.

Specified by:

unlock in interface java.util.concurrent.locks.Lock

Overrides:

unlock in class java.util.concurrent.locks.ReentrantLock