org.jboss.monitor
Class LockMonitor

java.lang.Object
  org.jboss.monitor.LockMonitor

All Implemented Interfaces:

java.io.Serializable

public class LockMonitor

extends java.lang.Object

implements java.io.Serializable

Simple thread-safe POJO encapsulating locking stats. Turned this class to Serializable to be able to return copies of instances of this class over RMI. In this case it becomes detached from the EntityLockMonitor factory.

See Also:

Serialized Form

LockMonitor

public LockMonitor(EntityLockMonitor (src)  parent)

Parameters:

parent - factory

getTotalTime

public long getTotalTime()

getNumContentions

public long getNumContentions()

getTimeouts

public long getTimeouts()

getMaxContenders

public long getMaxContenders()

getCurrentContenders

public long getCurrentContenders()

contending

public void contending()

Adjust the counters to indicate a contetion conditions. If the parent EntityLockMonitor has been initialized the total stats will be updated, as well.

finishedContending

public void finishedContending(long time)

Adjust the counters to indicate that contention is over If the parent EntityLockMonitor has been initialized the total stats will be updated, too.

increaseTimeouts

public void increaseTimeouts()

Increase the timeouts on this lock

reset

public void reset()

Reset the counters. CurrentContenders stays unchanged and MaxCondenders is set to CurrentContenders

toString

public java.lang.String toString()