mx4j.tools.stats
Class TimedStatisticsRecorder

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

All Implemented Interfaces:

javax.management.MBeanRegistration, ObserverStatisticsRecorderMBean, StatisticsRecorderMBean, TimedStatisticsRecorderMBean

public class TimedStatisticsRecorder

extends ObserverStatisticsRecorder

implements TimedStatisticsRecorderMBean

TimedStatisticsRecorder records statistics of an attribute with a timer polling the value every certain interval

Version:

$Revision: 1.4 $

Field Summary

protected long	granularity
protected boolean	registered
protected mx4j.tools.stats.TimedStatisticsRecorder.CollectTask	task
protected static java.util.Timer	timer

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

TimedStatisticsRecorder()

Method Summary

long	getGranularity() Returns how often the MBean will poll the variable value
void	setGranularity(long granularity) Sets how often the MBean will poll the variable value
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.ObserverStatisticsRecorderMBean

getObservedAttribute, getObservedObject, setObservedAttribute, setObservedObject

Methods inherited from interface mx4j.tools.stats.StatisticsRecorderMBean

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

Field Detail

registered

protected boolean registered

timer

protected static java.util.Timer timer

task

protected mx4j.tools.stats.TimedStatisticsRecorder.CollectTask task

granularity

protected long granularity

Constructor Detail

TimedStatisticsRecorder

public TimedStatisticsRecorder()

Method Detail

setGranularity

public void setGranularity(long granularity)

Description copied from interface: TimedStatisticsRecorderMBean

Sets how often the MBean will poll the variable value

Specified by:

setGranularity in interface TimedStatisticsRecorderMBean

getGranularity

public long getGranularity()

Description copied from interface: TimedStatisticsRecorderMBean

Returns how often the MBean will poll the variable value

Specified by:

getGranularity in interface TimedStatisticsRecorderMBean

toString

public java.lang.String toString()

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