Rio Project 4.2 API Documentation

org.rioproject.system.measurable.memory
Class SystemMemory

java.lang.Object
  org.rioproject.watch.Watch
      org.rioproject.watch.ThresholdWatch
          org.rioproject.watch.PeriodicWatch
              org.rioproject.system.measurable.MeasurableCapability
                  org.rioproject.system.measurable.memory.Memory
                      org.rioproject.system.measurable.memory.SystemMemory

All Implemented Interfaces:

ResourceCostProducer, MeasurableCapabilityMBean, PeriodicWatchMBean, ThresholdWatchMBean, WatchMBean

public class SystemMemory
extends Memory

The SystemMemory object measures the memory utilization for a physical machine

Author:

Dennis Reedy

Field Summary

Fields inherited from class org.rioproject.system.measurable.MeasurableCapability

lastMeasured, monitor, sampleSize

Fields inherited from class org.rioproject.watch.PeriodicWatch

DEFAULT_PERIOD

Fields inherited from class org.rioproject.watch.Watch

DEFAULT_VIEW, id, localRef, watchDataSource

Constructor Summary

SystemMemory(Configuration config)
Construct a Memory object

Method Summary

void	checkValue() Abstract method to check the watch's value at the periodic interval
protected MeasurableMonitor	createMeasurableMonitor(Configuration config)
protected String	getComponentName()

Methods inherited from class org.rioproject.system.measurable.memory.Memory

calculateUtilization, getMeasurableMonitor, getUtilization, start, stop

Methods inherited from class org.rioproject.system.measurable.MeasurableCapability

addSecondaryThresholdManager, addWatchRecord, calculateResourceCost, getConfiguration, getMeasuredResource, getObservable, getSampleSize, getSLA, getThresholdManagers, isEnabled, removeSecondaryThresholdManager, setEnabled, setLastMeasuredResource, setMeasurableMonitor, setResourceCostModel, setSampleSize, setSLA, setWatchDataSource

Methods inherited from class org.rioproject.watch.PeriodicWatch

getPeriod, setPeriod

Methods inherited from class org.rioproject.watch.ThresholdWatch

addThresholdListener, getBreachedCount, getClearedCount, getCurrentHighThreshold, getCurrentLowThreshold, getHighThreshold, getLowThreshold, getThresholdManager, getThresholdValues, removeThresholdListener, setCurrentHighThreshold, setCurrentLowThreshold, setThresholdValues

Methods inherited from class org.rioproject.watch.Watch

clear, equals, getCalculables, getId, getLastCalculableValue, getView, getWatchDataSource, hashCode, main, setView, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.rioproject.watch.PeriodicWatchMBean

getPeriod, setPeriod

Methods inherited from interface org.rioproject.watch.ThresholdWatchMBean

getBreachedCount, getClearedCount, getCurrentHighThreshold, getCurrentLowThreshold, getHighThreshold, getLowThreshold, setCurrentHighThreshold, setCurrentLowThreshold

Methods inherited from interface org.rioproject.watch.WatchMBean

clear, getCalculables, getId, getLastCalculableValue

Constructor Detail

SystemMemory

public SystemMemory(Configuration config)

Construct a Memory object

Parameters:

config - Configuration object

Method Detail

getComponentName

protected String getComponentName()

Overrides:

getComponentName in class Memory

checkValue

public void checkValue()

Description copied from interface: PeriodicWatchMBean

Abstract method to check the watch's value at the periodic interval

Specified by:

checkValue in interface PeriodicWatchMBean

Overrides:

checkValue in class Memory

createMeasurableMonitor

protected MeasurableMonitor createMeasurableMonitor(Configuration config)
                                             throws ConfigurationException

Overrides:

createMeasurableMonitor in class Memory

Throws:

ConfigurationException