CounterMonitor (JBoss/JMX API) - JBoss 3.2.7 jmx API Documentation 英文版文档

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javax.management.monitor
Class CounterMonitor

java.lang.Object
  javax.management.NotificationBroadcasterSupport
      javax.management.monitor.Monitor
          javax.management.monitor.CounterMonitor

All Implemented Interfaces:: CounterMonitorMBean, MBeanRegistration, MonitorMBean, NotificationBroadcaster, NotificationEmitter

public class CounterMonitor
extends Monitor
implements CounterMonitorMBean

The counter monitor service.

Revisions:

20020319 Adrian Brock:

Reset the threshold when the value becomes negative in difference mode

20020326 Adrian Brock:

The spec says the modulus should be *strictly* exceeded. It appears from testing the RI, it is a mathematical definition of modulus. e.g. 10 exceeds a modulus of 10

Version:: $Revision: 1.3.6.2 $
Author:: Adrian Brock

Field Summary

Fields inherited from class javax.management.monitor.Monitor

alreadyNotified, alreadyNotifieds, capacityIncrement, dbgTag, elementCount, OBSERVED_ATTRIBUTE_ERROR_NOTIFIED, OBSERVED_ATTRIBUTE_TYPE_ERROR_NOTIFIED, OBSERVED_OBJECT_ERROR_NOTIFIED, RESET_FLAGS_ALREADY_NOTIFIED, RUNTIME_ERROR_NOTIFIED, server

Constructor Summary

CounterMonitor()
          Default Constructor

Method Summary

Number getDerivedGauge()
          Retrieves the derived gauge.

Number getDerivedGauge(ObjectName name)
          Retrieves the derived gauge.

long getDerivedGaugeTimeStamp()
          Retrieves the derived gauge timestamp.

long getDerivedGaugeTimeStamp(ObjectName name)
          Retrieves the derived gauge timestamp.

boolean getDifferenceMode()
          Retrieves the difference mode flag.

Number getInitThreshold()
          Retrieves the initial threshold.

Number getModulus()
          Retrieves the modulus.

MBeanNotificationInfo[] getNotificationInfo()
          Returns the notification metadata associated with the MBean.

boolean getNotify()
          Retrieves the notify on/off switch.

Number getOffset()
          Retrieves the offset.

Number getThreshold()
          Retrieves the threshold.

Number getThreshold(ObjectName name)
          Retrieves the threshold.

void setDifferenceMode(boolean value)
          Sets the difference mode flag.

void setInitThreshold(Number threshold)
          Sets the initial threshold.

void setModulus(Number value)
          Sets the modulus.

void setNotify(boolean value)
          Sets the notify on/off switch.

void setOffset(Number value)
          Sets the offset.

void setThreshold(Number value)
          Sets the threshold.

void start()
          Starts the monitor.

void stop()
          Stops the monitor.

Methods inherited from class javax.management.monitor.Monitor

addObservedObject, containsObservedObject, getGranularityPeriod, getObservedAttribute, getObservedObject, getObservedObjects, isActive, postDeregister, postRegister, preDeregister, preRegister, removeObservedObject, setGranularityPeriod, setObservedAttribute, setObservedObject, toString

Methods inherited from class javax.management.NotificationBroadcasterSupport

addNotificationListener, handleNotification, removeNotificationListener, removeNotificationListener, sendNotification

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.management.monitor.MonitorMBean

addObservedObject, containsObservedObject, getGranularityPeriod, getObservedAttribute, getObservedObject, getObservedObjects, isActive, removeObservedObject, setGranularityPeriod, setObservedAttribute, setObservedObject

Constructor Detail

CounterMonitor

public CounterMonitor()

Default Constructor

Method Detail

getNotificationInfo

public MBeanNotificationInfo[] getNotificationInfo()

Description copied from interface: NotificationBroadcaster

Returns the notification metadata associated with the MBean.

Specified by:: getNotificationInfo in interface NotificationBroadcaster
Overrides:: getNotificationInfo in class NotificationBroadcasterSupport