Hi All,
I am posting some questions which I posted to Stephen recently
(and got some good insightful responses from him...)... On his
advice, I am posting the questions to the user forum for wider response.
Please see below for my questions prefixed with [Amit] below:-
> Amit Gupta wrote:
>
> > Hi Stephen,
> >
> > Usage of Merlin Framework in commercial applications..
>>
> > We, would like to learn from past experiences of others to optimize
> > effort invested in Merlin.
>
> It's still early days - Merlin's first release 3.1 was in mid September
> last year, followed by 3.2.5 during mid January. The 3.3 release will
> probably arrive by the end of the month and we know we still have a lot
> of work to do on the security side of things as part of a future 3.4.
>
[Amit] This makes sense.. In case anyone has anything to share on his
experiences with Merlin so far, it would be great..
> I think we will start to see concrete application examples emerging over
> the next three to four months - and in the meantime the dev and users
> lists are good source for ideas, questions, etc.
>
> > I have a 1 remaining small question for you:-
> >
> > We have some specific requirements, for e.g. we may want to replace
> > "merlin.properties" file by a Directory server.. Another example is the
> > need to be able to persist configuration done by JMX agent and auto
> > load it during startup of container.
> >
> > Do you think Merlin is "open enough" for such requirements?
>
> The loading of an application properties file is controlled by the
> avalon-repository bootstrapping system. This was written jointly by
> myself and Alex (from the Apache Directory Project). There are already
> hooks inside to deal with Attributes based parameters for loading of
> system objects and it would not be hard to extend the model to support
> alternative app parameterization strategies. However - this is
> bootstrap code - i.e. its executing before the plugin model established
> - so this does require some thinking.
>
[Amit] This (and all similar requirements) could be a show stopper issues
for us and hence my question below is all the more important for us..
> > OR
> > Do you think we would cut over to a single snapshot of Merlin sources
> > and extend these for our specific use?
>
> Much better to sort this out on the dev list. I have some very initial
> thoughts already but I need to look at the repository bootstrap code
> first. Also we should make sure that Alex is following the discussion -
> in fact we should be able to prototype something using Eve within a
> couple of months.
>
[Amit] To state once again, my questions is whether it's advisable to
use Merlin in source form (updating whatever we want) as we
have some requirements which might not be directly handled by
the framework (and we can't wait for Merlin to evolve to support
all those remaining requirements.)
I would like to get forum's opinion on the expected problems in
following the above approach? (Besides the obvious one of
not being able to use "future" additions to Merlin directly.)
Thanks,
Amit Gupta
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