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

Fields

Modifier and Type	Field and Description
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

Constructors

Constructor and Description
NotificationStatisticsRecorder()

Method Summary

Modifier and Type	Method and Description
void	handleNotification(javax.management.Notification notification, java.lang.Object object) Called when a notification occurs.
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)

Description copied from interface: javax.management.NotificationListener

Called when a notification occurs.

Specified by:

handleNotification in interface javax.management.NotificationListener

Parameters:

notification - The notification object

object - Helps in associating information regarding the listener.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object