On Tue, Feb 21, 2012 at 11:15 AM, Romain Manni-Bucau
<rmannibu...@gmail.com>wrote:

> isn't it close to our dump descriptor feature?
>
> let imagine we can add the dumped descriptor during the build, if the
> descriptor is "metadata complete" it is the same no?
>

AFAIU from what David said yes, but I was talking about two different
aspects here, the descriptive part and the executable one. From one end the
users will write a simple XML which we can use as is or out of it we
generate an optimized code to make things faster, but I am not sure if that
fits or not, any feedback would be appreciated!


>
> - Romain
>
>
> 2012/2/21 Mohammad Nour El-Din <nour.moham...@gmail.com>
>
> > I have one concern, still by having an XML generated and we still like
> > reading only information about such classes and the overhead of reading
> XML
> > in memory in case we have a large one(s).
> >
> > Why not generate a code out of that which is compiled with the jar or
> even
> > added to the an existing jar which will be much faster and this code can
> be
> > based on templates which developers can extend, change or customize.
> >
> > Thoughts ?
> >
> > On Tue, Feb 21, 2012 at 1:46 AM, Mohammad Nour El-Din <
> > nour.moham...@gmail.com> wrote:
> >
> > >
> > >
> > > On Tue, Feb 21, 2012 at 12:32 AM, Alan D. Cabrera <
> l...@toolazydogs.com
> > >wrote:
> > >
> > >> Neat idea.
> > >>
> > >> I would include the configuration information in the scan.xml so that
> > >> tooling would know the criteria used in the scan and decide whether or
> > not
> > >> to scan for other annotations or inplementations.
> > >>
> > >> I would also put the scan.xml file in some package specific place like
> > >> META-INF/org/apache/xbean/scan.xml.
> > >>
> > >
> > > +1 on the idea and the additions on Alan
> > >
> > >
> > >>
> > >>
> > >> Regards,
> > >> Alan
> > >>
> > >>
> > >> On Feb 20, 2012, at 2:40 PM, David Blevins wrote:
> > >>
> > >> > We've chatted occasionally on creating a scanning.xml file where
> > people
> > >> could setup includes and excludes and, overall, optimize classpath
> > scanning.
> > >> >
> > >> > Romain is already busy hacking of course :)  Here's the idea for a
> > >> plugin to effectively do the most expensive part of scanning in
> advance:
> > >> >
> > >> >    <plugin>
> > >> >      <groupId>org.apache.xbean</groupId>
> > >> >      <artifactId>maven-xbean-finder-plugin</artifactId>
> > >> >      <configuration>
> > >> >        <annotations>
> > >> >          <annotation>javax.ejb.Stateless</annotation>
> > >> >          <annotation>javax.ejb.Stateful</annotation>
> > >> >          <annotation>javax.ejb.Singleton</annotation>
> > >> >          <annotation>javax.annotation.ManagedBean</annotation>
> > >> >        </annotations>
> > >> >        <subclasses>
> > >> >          <subclass>javax.ws.rs.core.Application</subclass>
> > >> >        </subclasses>
> > >> >        <implementations>
> > >> >
> > >>
> >  <implementation>org.apache.openejb.server.ServerService</implementation>
> > >> >        </implementations>
> > >> >      </configuration>
> > >> >    </plugin>
> > >> >
> > >> > With a configuration like the above, the plugin would scan the jar
> for
> > >> subclasses of javax.ws.rs.core.Application, classes annotated with
> > >> @Stateless, @Singleton, @Stateful and classes that implement
> > ServiceService.
> > >> >
> > >> > The result would be a META-INF/scan.xml class that looks like so:
> > >> >
> > >> >    <scan>
> > >> >      <classes>
> > >> >        <class>org.superbiz.Foo</class>
> > >> >        <class>org.superbiz.Bar</class>
> > >> >        <class>org.superbiz.Baz</class>
> > >> >      </classes>
> > >> >    </scan>
> > >> >
> > >> > And on the TODO list would be future support for <packages>
> > >> >
> > >> >    <scan>
> > >> >      <packages>
> > >> >        <package>org.superbiz.foo</package>
> > >> >        <package>org.superbiz.bar</package>
> > >> >      </packages>
> > >> >    </scan>
> > >> >
> > >> > With the above you could easily create scan.xml file by hand that
> > would
> > >> at least be far faster than scanning an entire jar.
> > >> >
> > >> >
> > >> > Thoughts?
> > >> >
> > >> >
> > >> > -David
> > >> >
> > >>
> > >>
> > >
> > >
> > > --
> > > Thanks
> > > - Mohammad Nour
> > > ----
> > > "Life is like riding a bicycle. To keep your balance you must keep
> > moving"
> > > - Albert Einstein
> > >
> > >
> >
> >
> > --
> > Thanks
> > - Mohammad Nour
> > ----
> > "Life is like riding a bicycle. To keep your balance you must keep
> moving"
> > - Albert Einstein
> >
>



-- 
Thanks
- Mohammad Nour
----
"Life is like riding a bicycle. To keep your balance you must keep moving"
- Albert Einstein

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