[jbosscache-dev] JMX and MBeans in JBoss Cache 2.0.0

Ben Wang ben.wang at jboss.com
Thu Sep 7 09:52:05 EDT 2006


The problem of creating a direct cache instance is then I need to provide extra mbean defition for the Cache stats. User of PC still expects to see the replication configuration and stats, e.g. By obtaining the Cache from a Mbea/bean service, it will have those aspects automatically.

Of course, direct instance access (getCache()) is not what JMX advocates but I guess that will have to do here.

-Ben

-----Original Message-----
From: Manik Surtani [mailto:manik at jboss.org] 
Sent: Thursday, September 07, 2006 9:35 PM
To: Ben Wang
Cc: Bela Ban; jbosscache-dev at lists.jboss.org
Subject: Re: [jbosscache-dev] JMX and MBeans in JBoss Cache 2.0.0

Is that how you'd like PojoCache to work?  I would have thought in the case of PojoCache, it creates an instance of Cache first and then uses it, rather than using one registered in a JMX server.

In any case, if you would prefer to get it off JMX, CacheMBean could have a getCache() method that returns the Cache instance.
--
Manik Surtani

Lead, JBoss Cache
JBoss, a division of Red Hat

Email: manik at jboss.org
Telephone: +44 7786 702 706
MSN: manik at surtani.org
Yahoo/AIM/Skype: maniksurtani


On 7 Sep 2006, at 14:25, Ben Wang wrote:

> BTW, this JMX discussion also has impact on PojoCache as I am using 
> Cache as a delegate now. Besides the Cache management attributes, I'd 
> like to expose parts of PojoCache attributes as well. So I'd imagine 
> that PojoCache should look for the Cache bean service when configured 
> under AS, e.g. How does everyone see it?
>
> -Ben
>
> -----Original Message-----
> From: jbosscache-dev-bounces at lists.jboss.org [mailto:jbosscache-dev- 
> bounces at lists.jboss.org] On Behalf Of Manik Surtani
> Sent: Thursday, September 07, 2006 6:36 PM
> To: Bela Ban
> Cc: jbosscache-dev at lists.jboss.org
> Subject: Re: [jbosscache-dev] JMX and MBeans in JBoss Cache 2.0.0
>
> Can't you register model MBeans programatically rather than via XML?
>
> Basically what I am thinking is an MBeanRegistrar class that inspects 
> your interceptor stack, and has a hardcoded list of reflect.Methods to 
> expose for each known interceptor type.  Sure, it means one clunky 
> class that does all of this but is this better than a dozen *MBean 
> interfaces?
>
> Cheers,
> --
> Manik Surtani
>
> Lead, JBoss Cache
> JBoss, a division of Red Hat
>
> Email: manik at jboss.org
> Telephone: +44 7786 702 706
> MSN: manik at surtani.org
> Yahoo/AIM/Skype: maniksurtani
>
>
> On 6 Sep 2006, at 22:30, Bela Ban wrote:
>
>> I already use model MBeans to expose certain JGroups services, e.g.
>> GossipRouter and Multiplexer. It geta bit unwieldy though, with all 
>> the verbose XML... How do you suppose to expose interceptors ? I 
>> think the big problem is that we need to dynamically expose
>> (=register) them at stack startup time ?
>>
>> Manik Surtani wrote:
>>> Hi guys.
>>>
>>> Rather than wrestle with MBean interfaces and also add clutter to 
>>> the various interfaces we have - and also to support future exposure 
>>> of interceptors, etc. to JMX, what do you think of using Model 
>>> MBeans instead of Standard MBeans?
>>>
>>>     http://java.sun.com/j2se/1.5.0/docs/api/javax/management/
>>> modelmbean/package-summary.html
>>>
>>> Now I'm no JMX expert and I may be talking nonsense here so feel 
>>> free to tear this apart.  Brian, how would something like this work 
>>> for you since AS clustering gets cache references from JMX?
>>> Do we still need to extend ServiceMBean in AS5?
>>>
>>> Cheers,
>>> --
>>> Manik Surtani
>>>
>>> Lead, JBoss Cache
>>> JBoss, a division of Red Hat
>>>
>>> Email: manik at jboss.org
>>> Telephone: +44 7786 702 706
>>> MSN: manik at surtani.org
>>> Yahoo/AIM/Skype: maniksurtani
>>>
>>>
>>> _______________________________________________
>>> jbosscache-dev mailing list
>>> jbosscache-dev at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/jbosscache-dev
>>>
>>
>> --
>> Bela Ban
>> Lead JGroups / Manager JBoss Clustering Group JBoss - a division of 
>> Red Hat
>>
>
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