com.jalios.jcms.monitoring

Class MonitoringManager

java.lang.Object

com.jalios.jcms.db.TransactionalAlarmListener

com.jalios.jcms.monitoring.MonitoringManager

All Implemented Interfaces:

AlarmListener

public class MonitoringManager
extends TransactionalAlarmListener

Monitoring class which saves site monitoring measures and events.

Since:

jcms-5.7

Version:

$Revision: 22248 $

Author:

Olivier Jaquemet

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	REVISION

Method Summary

Modifier and Type	Method and Description
void	generateAndSaveRandomEvent(java.util.Date startDate, java.util.Date endDate) Method to be use for testing only, rename the existing monitoring file and generate fake events with random data.
java.util.Date	getLatestEventDate() Retrieve the latest (most recent) event Date.
static MonitoringManager	getMonitoringManager() Retrieve the MonitoringManager singleton (create it if it does not exists)
java.util.Date	getOldestEventDate() Retrieve the oldest event Date.
long	getRequestNbr() Retrieve the number of request counted in the measure interval
void	handleTransactionalAlarm(AlarmEntry entry) TransactionalAlarmListener implementation.
void	monitorRequest(javax.servlet.http.HttpServletRequest request) Methods to allow the Monitoring Manager to keep track of information about request (number of request).
java.util.List<com.jalios.jcms.monitoring.Event>	readEvents(java.util.Date startDate, java.util.Date endDate) Read monitoring events previously saved.

Methods inherited from class com.jalios.jcms.db.TransactionalAlarmListener

handleAlarm

Methods inherited from class java.lang.Object

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

Field Detail

REVISION

public static final java.lang.String REVISION

See Also:

Constant Field Values

Method Detail

getMonitoringManager

public static MonitoringManager getMonitoringManager()

Retrieve the MonitoringManager singleton (create it if it does not exists)

Returns:

the MonitoringManager singleton

handleTransactionalAlarm

public void handleTransactionalAlarm(AlarmEntry entry)

TransactionalAlarmListener implementation.

Specified by:

handleTransactionalAlarm in class TransactionalAlarmListener

Parameters:

entry - the AlarmEntry which has been triggered.

Since:

jcms-6.0

monitorRequest

public void monitorRequest(javax.servlet.http.HttpServletRequest request)

Methods to allow the Monitoring Manager to keep track of information about request (number of request). This method is called by the InitFilter each time a request is processed.

Parameters:

request - the request to count

getRequestNbr

public long getRequestNbr()

Retrieve the number of request counted in the measure interval

Returns:

the current request number

getOldestEventDate

public java.util.Date getOldestEventDate()

Retrieve the oldest event Date.

Returns:

the oldest event Date

getLatestEventDate

public java.util.Date getLatestEventDate()

Retrieve the latest (most recent) event Date.

Returns:

the latest (most revent) event Date

readEvents

public java.util.List<com.jalios.jcms.monitoring.Event> readEvents(java.util.Date startDate,
                                                                   java.util.Date endDate)

Read monitoring events previously saved.

Parameters:

startDate - the starting Date below which events are not read, if null, it is not used.

endDate - the ending Date above which events are not read, if null, it is not used.

Returns:

a List of Measure, in the order they were read

Since:

jcms-5.7

generateAndSaveRandomEvent

public void generateAndSaveRandomEvent(java.util.Date startDate,
                                       java.util.Date endDate)

Method to be use for testing only, rename the existing monitoring file and generate fake events with random data.

Parameters:

startDate - the starting date to use for Event generation

endDate - the ending date to use for Event generation

Since:

jcms-5.7