org.qbroker.monitor

Class QMFQMonitor

java.lang.Object

org.qbroker.monitor.Monitor

org.qbroker.monitor.QMFQMonitor

All Implemented Interfaces:

MonitorAction, MonitorReport

public class QMFQMonitor
extends Monitor

QMFQMonitor monitors the message flow on a queue via QMF. It supports generic QMF for Apache QPid for now.

Author:

yannanlu@yahoo.com

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String[]	qpidAttrs

Fields inherited from class org.qbroker.monitor.Monitor

actionCount, actionGroup, aPatternGroup, cachedSkip, category, dependencyGroup, description, disabledWithReport, disableMode, exceptionCount, exceptionTolerance, FILE_SEPARATOR, formatText, keyList, maxPage, maxRetry, name, normalStep, pm, previousStatus, repeatPeriod, report, reportMode, reportName, resolution, serialNumber, site, skip, statsLogger, statusOffset, statusText, step, template, timeFormat, timeTemplate, tolerance, type, xPatternGroup

Fields inherited from interface org.qbroker.monitor.MonitorReport

DISABLED, EXCEPTION, NOSKIP, REPORT_CACHED, REPORT_CLUSTER, REPORT_FINAL, REPORT_FLOW, REPORT_LOCAL, REPORT_NODE, REPORT_NONE, REPORT_SHARED, SKIPPED

Constructor Summary

Constructors

Constructor and Description
QMFQMonitor(java.util.Map props)

Method Summary

Modifier and Type	Method and Description
java.util.Map<java.lang.String,java.lang.Object>	checkpoint() returns the checkpoint Map for the action
void	destroy() closes and releases all opened resources
protected void	finalize()
java.util.Map<java.lang.String,java.lang.Object>	generateReport(long currentTime) generates a report on a monitored entity and returns it as a Map.
static void	main(java.lang.String[] args)
Event	performAction(int status, long currentTime, java.util.Map<java.lang.String,java.lang.Object> latest) examines the report on the monitored entity and reacts to it as an action
void	restoreFromCheckpoint(java.util.Map<java.lang.String,java.lang.Object> chkpt) restores the state of the action from the checkpoint Map

Methods inherited from class org.qbroker.monitor.Monitor

getName, getReportKeys, getReportMode, getReportName, getSkippingStatus, initTimeTemplate, updateContent

Methods inherited from class java.lang.Object

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

Field Detail

qpidAttrs

public static final java.lang.String[] qpidAttrs

Constructor Detail

QMFQMonitor

public QMFQMonitor(java.util.Map props)

Method Detail

generateReport

public java.util.Map<java.lang.String,java.lang.Object> generateReport(long currentTime)
                                                                throws java.io.IOException

Description copied from interface: MonitorReport

generates a report on a monitored entity and returns it as a Map. The report Map will be passed to the associated MonitorAction as an opaque object. The action object is supposed to know how to retrieve the information from the report Map.

Specified by:

generateReport in interface MonitorReport

Specified by:

generateReport in class Monitor

Throws:

java.io.IOException

performAction

public Event performAction(int status,
                           long currentTime,
                           java.util.Map<java.lang.String,java.lang.Object> latest)

Description copied from interface: MonitorAction

examines the report on the monitored entity and reacts to it as an action

Specified by:

performAction in interface MonitorAction

Specified by:

performAction in class Monitor

checkpoint

public java.util.Map<java.lang.String,java.lang.Object> checkpoint()

Description copied from interface: MonitorAction

returns the checkpoint Map for the action

Specified by:

checkpoint in interface MonitorAction

Overrides:

checkpoint in class Monitor

restoreFromCheckpoint

public void restoreFromCheckpoint(java.util.Map<java.lang.String,java.lang.Object> chkpt)

Description copied from interface: MonitorAction

restores the state of the action from the checkpoint Map

Specified by:

restoreFromCheckpoint in interface MonitorAction

Overrides:

restoreFromCheckpoint in class Monitor

destroy

public void destroy()

Description copied from interface: MonitorReport

closes and releases all opened resources

Specified by:

destroy in interface MonitorReport

Overrides:

destroy in class Monitor

finalize

protected void finalize()

Overrides:

finalize in class Monitor

main

public static void main(java.lang.String[] args)