[jboss-jira] [JBoss JIRA] Closed: (JBAS-3870) Clone the JBossMX javax.management.timer.Timer implementation, to a jboss package

[Dimitris Andreadis (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBAS-3870?page=all ]

Dimitris Andreadis closed JBAS-3870.
------------------------------------

    Resolution: Done

The jbossmx javax.management.timer.Timer has been cloned into:

org.jboss.mx.timer.JBossTimer

The 2 JMX based schedulers:

org.jboss.varia.scheduler.ScheduleManager &
org.jboss.varia.scheduler.Scheduler

can utilitize the jboss timer (instead of the jdk5 javax.management.timer.Timer) if you just instantiate it seperately:

<mbean code="org.jboss.mx.timer.JBossTimer" name="jboss:service=Timer"/>

This is the default name there are looking for so they will use it automatically. You could choose a different name, then configure the TimerName attribute on both schedulers.

> Clone the JBossMX javax.management.timer.Timer implementation, to a jboss package
> ---------------------------------------------------------------------------------
>
>                 Key: JBAS-3870
>                 URL: http://jira.jboss.com/jira/browse/JBAS-3870
>             Project: JBoss Application Server
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: JMX
>            Reporter: Dimitris Andreadis
>         Assigned To: Dimitris Andreadis
>             Fix For: JBossAS-5.0.0.CR1, JBossAS-4.2.0.CR1
>
>
> There are indications that the jdk5 implementation of javax.management.timer.Timer uses  internally a single-threaded implementation for executing scheduled tasks, so scheduling of multiple tasks is affected when moving from jdk1.4 and the jboss implementation of Timer, to a jdk5 runtime.
> The JBossMX Timer implementation in contrast uses a dynamically extensible thread pool to execute scheduled tasks. Since we don't control the jdk5 implementation, a simple solution is to clone the jboss timer into a new package, e.g. org.jboss.javax.management.timer.Timer, for those that want to stick with the jboss implementation.

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