mx4j.tools.stats
Class ValueStatisticsRecorder

java.lang.Object
  mx4j.tools.stats.AbstractStatisticsRecorder
      mx4j.tools.stats.ValueStatisticsRecorder

All Implemented Interfaces:

javax.management.MBeanRegistration, StatisticsRecorderMBean, ValueStatisticsRecorderMBean

public class ValueStatisticsRecorder

extends AbstractStatisticsRecorder

implements ValueStatisticsRecorderMBean

ValueStatisticsRecorder records statistics of an attribute based on changes on the variable value. If you want to use you have to explictly set the variable value.

Example usage:

 ObjectName name = new ObjectName("Domain:name=value");
 server.createMBean("mx4j.tools.stats.ValueStatisticsRecorder", name, null);
 server.invoke(name, "start", null, null);
 // Every time the value is set the statistics are updated
 server.setAttribute(name, "Attribute", new Double(10));
 

Version:

$Revision: 1.5 $

Field Summary

protected java.lang.Number

value

Fields inherited from class mx4j.tools.stats.AbstractStatisticsRecorder

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

Constructor Summary

ValueStatisticsRecorder()

Method Summary

java.lang.Number	getValue() Returns the recorded value
void	setValue(java.lang.Number value) Sets the value to be recorded
java.lang.String	toString()

Methods inherited from class mx4j.tools.stats.AbstractStatisticsRecorder

addEntry, doStart, doStop, 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

value

protected java.lang.Number value

Constructor Detail

ValueStatisticsRecorder

public ValueStatisticsRecorder()

Method Detail

setValue

public void setValue(java.lang.Number value)

Description copied from interface: ValueStatisticsRecorderMBean

Sets the value to be recorded

Specified by:

setValue in interface ValueStatisticsRecorderMBean

getValue

public java.lang.Number getValue()

Description copied from interface: ValueStatisticsRecorderMBean

Returns the recorded value

Specified by:

getValue in interface ValueStatisticsRecorderMBean

toString

public java.lang.String toString()