- Romain

2012/2/21 Alan D. Cabrera <l...@toolazydogs.com>

>
> On Feb 21, 2012, at 7:40 AM, Romain Manni-Bucau wrote:
>
> > i created a module xbean-xml in maven plugins to be able to commit but it
> > should be in xbean i think (the mvn plugin too by the way).
> >
> > the example needs openjpa (not jpa ;)) because before using the plugin i
> > enhance the entities with the openjpa plugin so then the classes are
> > enhanced and reference some openjpa classes so it is needed in this case.
>
> Can you provide more detail on this enhancement?  It sounds like you're
> mixing concerns.
>

Romain:  the example needs OpenJPA enhancement (
http://openjpa.apache.org/entity-enhancement.html) so i added it but it is
done before the plugin scan. then entities are modified and are openjpa
dependent so classes are needed. I don't like it but i didn't manage to
make the exemple working well without it.


> > Concerning the verbosity of xml it is simply a ratio between useful
> > characters and useless ones (yes i use vim :p).
> >
> > The scan.xml location is configurable. For the moment there is 2
> properties
> > but it can be (should be) merged in one (today we have base + relative
> > path, i liked it because relative is the convention and base is whatever
> > you want).
>
> It seems that you are simply restating what you've done instead of
> justifying the weakening of a feature or explaining why the feature of
> having the scan.xml file in a known place is not all that important.
>

Romain: one property is enough, if everybody thinks 2 are useles si'll
simply remove the second, i don't think one or the other solution is better


>
> > The snippet David sent in his first mail is till available, i just added
> > the notion of "profile" which are in my mind a set of predefined
> > [implementations, subclasses, annotations] easier to configure (the one i
> > provided is jee6, simply look what it looks like to understand why it is
> > not so useless ;)). Maybe it should be done through files at the
> classpath
> > instead of hardcoding it...was a first step ;)
>
> I'm not sure that hardcoding is required.  Per David's earlier email the
> configuration would dictate what would be searched for in the scan.
>

Romain: hardcoding is clearly not required, was just easier to start to
provide something


>
> I thought about profiles as well but then one must publish and maintain
> those profiles.  I hate, hate, hate, finding things in the classpath.
>  Things magically appear and disappear all too often.  :)  What might be a
> good idea is to publish the profile file in Maven.  Then we could use the
> Maven dependency plugin to pull own the file and drop it into the target
> directory.  Then the scan plugin could be configured to read it.
>

Romain: right but always listing javaee6 annotations is clearly a pain too


>
> One subtle point to the above use case, it's better to just loosely couple
> things and simply list the exact criteria, and not the profile, that was
> searched for in the scan.xml.
>

Romain: i think i'll update as i said the plugin to be able to get
information from a file, a kind of serviceloader thing


>
>
> Regards,
> Alan
>
>

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