mx4j.tools.stats
Class NotificationStatisticsRecorder

java.lang.Object
  mx4j.tools.stats.AbstractStatisticsRecorder
      mx4j.tools.stats.ObserverStatisticsRecorder
          mx4j.tools.stats.NotificationStatisticsRecorder

All Implemented Interfaces:

java.util.EventListener, javax.management.MBeanRegistration, javax.management.NotificationListener, ObserverStatisticsRecorderMBean, StatisticsRecorderMBean

public class NotificationStatisticsRecorder

extends ObserverStatisticsRecorder

implements javax.management.NotificationListener

NotificationStatisticsRecorder records statistics of an attribute based on notifications emitted when it changes. The observed MBean has to emit notifications when the value change

Version:

$Revision: 1.4 $

Field Summary

protected boolean

registered

Fields inherited from class mx4j.tools.stats.ObserverStatisticsRecorder

observedAttribute, observedName

Fields inherited from class mx4j.tools.stats.AbstractStatisticsRecorder

averageValue, count, entries, isActive, isDouble, maxEntries, maximumValue, minimumValue, recordingStart, server

Constructor Summary

NotificationStatisticsRecorder()

Method Summary

void	handleNotification(javax.management.Notification notification, java.lang.Object object)
protected void	startObserving()
protected void	stopObserving()
java.lang.String	toString()

Methods inherited from class mx4j.tools.stats.ObserverStatisticsRecorder

doStart, doStop, getObservedAttribute, getObservedObject, setObservedAttribute, setObservedObject

Methods inherited from class mx4j.tools.stats.AbstractStatisticsRecorder

addEntry, getAverage, getEntries, getLogger, getMax, getMaxEntries, getMin, getRecordingStart, isActive, postDeregister, postRegister, preDeregister, preRegister, setMaxEntries, start, stop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface mx4j.tools.stats.StatisticsRecorderMBean

getAverage, getEntries, getMax, getMaxEntries, getMin, getRecordingStart, isActive, setMaxEntries, start, stop

Field Detail

registered

protected boolean registered

Constructor Detail

NotificationStatisticsRecorder

public NotificationStatisticsRecorder()

Method Detail

startObserving

protected void startObserving()
                       throws java.lang.Exception

Specified by:

startObserving in class ObserverStatisticsRecorder

Throws:

java.lang.Exception

stopObserving

protected void stopObserving()
                      throws java.lang.Exception

Specified by:

stopObserving in class ObserverStatisticsRecorder

Throws:

java.lang.Exception

handleNotification

public void handleNotification(javax.management.Notification notification,
                               java.lang.Object object)

Specified by:

handleNotification in interface javax.management.NotificationListener

toString

public java.lang.String toString()