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From David Jencks <>
Subject Re: Can we deal generically with container specific jsr77 statistics?
Date Thu, 08 Nov 2007 16:33:08 GMT

On Nov 8, 2007, at 7:10 AM, Anita Kulshreshtha wrote:

> --- "Erik B. Craig" <> wrote:
>  say, openEJB or somesuch
>> would also
>> reside here rather than within our openEJB package? If so, how would
>> this
>> all play into the pluggable server/framework design?
>     Since these classes ONLY depend on management classes and not on
> openEJB or somesuch, it does not affect the pluggable server/framework
> design. I do not think we are planning to strip down classes from
> g-management to cater to pluggable framework and add classes as we
> upgrade to a higher assembly.

I agree with you that it is possible to include the Jetty/Tomcat  
Stats classes in g-management without pulling in any jetty or tomcat  
classes, and similarly all the named geronimo specific stats classes  
don't require classes from the components they are for.  Similarly I  
think its pretty clear my proposal will work and clients can get the  
StatsImpl objects and deal with them by finding out what they support.

I'm wondering if it is a good idea to expose classes that turn the  
set of Statistics exposed by some particular geronimo component into  
a type, or if it is a better idea for clients to use the generic  
interface.  IIRC when we introduced these classes they seemed like a  
good idea but I'm wondering if they have any real use.  AFAICT the  
classes names w/jetty/tomcat aren't used anywhere outside the jetty/ 
tomcat modules which makes me think that we should consider removing  
all of the non-generic types from g-management, starting with the  
Tomcat ones and continuing as time allows.

So to me this is pretty much a philosophical question.  I'm leaning  
towards only exposing generic classes.  What do others think?  Why is  
it a good idea to have the non-generic classes?

david jencks
> Thanks
> Anita
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