atavism.server.util
Class AOLock

java.lang.Object
  java.util.concurrent.locks.ReentrantLock
      atavism.server.util.AOLock

All Implemented Interfaces:

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

public class AOLock
extends java.util.concurrent.locks.ReentrantLock

this lock keeps track of its call stack. it can also timeout and throw an exception (to help debug deadlocks). the exception will have all locks when you call lock() it adds to the stack. when you call unlock() it removes from the stack. you can get the lock's stack by calling getStack()

See Also:

Serialized Form

Constructor Summary

AOLock(java.lang.String name)

Method Summary

java.lang.String	getLockName()
void	lock()
void	lock(long lockTimeoutMS)
static void	setDeadlockTimeout(int timeoutMS) time in MS before the deadlock code kicks in.
void	setName(java.lang.String name)
void	unlock()

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

AOLock

public AOLock(java.lang.String name)

Method Detail

setName

public void setName(java.lang.String name)

getLockName

public java.lang.String getLockName()

lock

public void lock()

Specified by:

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

Overrides:

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

lock

public void lock(long lockTimeoutMS)

unlock

public void unlock()

Specified by:

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

Overrides:

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

setDeadlockTimeout

public static void setDeadlockTimeout(int timeoutMS)

time in MS before the deadlock code kicks in.