Re: [Springframework-developer] Simplification of Spring JMX

[Rod J. <ro...@in...>]

+1. Simplification is good!

Rob Harrop wrote:
> All,
> 
> I am considering removing the notion of the MBeanInvoker from Spring JMX 
> along with the Spring implementation of ModelMBean. There are two 
> reasons for this:
> 
> 1. I am not sure of the value offered by this approach given that the 
> performance difference between the JDK invoker and the CGLIB invoker is 
> hardly noticeable as shown by the tests in the sandbox.
> 2. All JMX implementations come with RequiredModelMBean which is already 
> supported by Spring JMX - we don't really need another implementation if 
> there is no benefit and I would prefer not to have keep modifying the 
> ModelMBeanImpl class to keep up with the JMX spec.
> 
> Originally, I had thought that having our own ModelMBean would enable us 
> to improve performance but that turns out not to be true, instead we 
> just have a model that is more complicated. I propose to remove the 
> MBeanInvoker concept altogether and use the RequiredModelMBean class as 
> the standard but provide the ability for other implementations to be 
> plugged in a later date should the need arise in the future.
> 
> What are your thoughts?
> 
> Rob
> 
> P.S. - Keith - I know you said this from the beginning and you were 
> right. Don't say I told you so :)
> 
> 
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-- 

____________________________________________________
Rod Johnson
Interface21 - Spring Services from the Source
http://www.springframework.com

Founder, Spring Framework:
http://www.springframework.org

Author, "Expert One-on-One J2EE Development Without EJB"
(May 2004, with Juergen Hoeller).
http://www.amazon.com/exec/obidos/ASIN/0764558315/

Author, "Expert One-on-One J2EE Design and Development"
(October 2002).
http://www.amazon.com/exec/obidos/tg/detail/-/0764543857/


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