On Nov 8, 2007 12:43 PM, Roland Asmann <[EMAIL PROTECTED]> wrote:
> Correct me if I'm wrong, but you are changing the parent-pom in you projects??
> Doesn't sound like very stable development to me...

That is correct and you are right, it is not very stable. This is why
I am looking for a better option.

I think the ideal situation would be if I could have the effect of
typing "mvn -Pmything" without having to put in the -P option. To
instead have the parent POM able to activate a profile. Does anyone
know if that is possible?

I will try out what you suggested to see what happens.
-AZ


> Anyway, there is a way to activate profiles based on parent-POMs, it's just
> not a very obvious one...
> If you set your profiles to be activated when a specific property is set to a
> specific value, you can configure all your profiles as you want and set these
> properties with the correct values in the parent-POM.
>
> Example:
>
> <profiles>
>   <profile>
>     <activation>
>       <property>
>         <name>parentPom</name>
>         <value>firstParent</value>
>       </property>
>     </activation>
>     <modules>
>       <module>module1</module>
>     </module>
>   </profile>
>   <profile>
>     <activation>
>       <property>
>         <name>parentPom</name>
>         <value>secondParent</value>
>       </property>
>     </activation>
>     <modules>
>       <module>module2</module>
>       <module>module3</module>
>     </module>
>   </profile>
> </profiles>
>
> And then in the first parent-POM you define something like:
>
> <properties>
>   <parentPom>firstParent</parentPom>
> </properties>
>
> And in the second:
>
> <properties>
>   <parentPom>secondParent</parentPom>
> </properties>
>
> Mind you that I haven't tested this, but from normal logic I think this should
> work. At least it's worth a try, 'cause you don't need to trigger the
> profiles from the commandline this way.
>
> Oh, and in case I misunderstood your problem and therefore this is not a
> solution to it, please feel free to post again and help me understand
> better. ;-)




> On Thursday 08 November 2007 11:59, Aaron Zeckoski wrote:
> > I am trying to build a limited set of modules based on the parent pom
> > file being used. I tried using profiles but there does not seem to be
> > a way to trigger a profile based on the parent POM. Here is the
> > scenario I am trying to figure out. I have a project base POM which
> > has a number of modules. I want to build various subsets of those
> > modules depending on a setting in the parent POM for this base POM.
> >
> > Here is a sample base POM:
> >   <modules>
> >     <module>api</module>
> >     <module>impl</module>
> >     <module>tests</module>
> >     <module>alternate-impl</module>
> >     <module>tool</module>
> >   </modules>
> >
> > I would like to build just the api and impl modules in circumstance
> > one (services only).
> >   <modules>
> >     <module>api</module>
> >     <module>impl</module>
> >   </modules>
> >
> > I would like to optionally add in the tests module and/or the tool
> > module to include the tests or the webapp.
> >   <modules>
> >     <module>api</module>
> >     <module>impl</module>
> >     <module>tool</module>
> >   </modules>
> >
> > I would also like to be able to specify that I need to use an
> > alternate implementation of the service in place of the current impl
> > when the service is built.
> >   <modules>
> >     <module>api</module>
> >     <module>alternate-impl</module>
> >     <module>tests</module>
> >   </modules>
> >
> > The final key here is that the parent POM for this project base POM
> > will change depending on which set of source code is checked out.
> > Currently we have one parent POM which includes all the base POMs for
> > all central services and then one which includes modules for all the
> > optional services. This has a huge limitation in that we have redefine
> > base poms for all the core services to exclude the accompanying
> > webapps and tests. I would ideally like to automate this since
> > currently we have to maintain huge lists of modules in both (soon to
> > be three) the parent POMs.
> >
> > It looks like I can accomplish this via profiles, except that those
> > require lots of command line parameters. Is there a way to do this
> > where the user would not have put a huge number of command line
> > paramters down or am I stuck maintaining multiple parent POMs with
> > huge lists of modules and multiple base POMs for each project?
> >
> > Open to suggestions about restructuring the project layout as well.
> > Here is an example of one version of parent POM and a set of base POMs:
> > https://source.sakaiproject.org/svn/cafe/trunk/
> >
> > -AZ
>
> --
> Roland Asmann
>
> CFC Informationssysteme Entwicklungsgesellschaft m.b.H
> Bäckerstrasse 1/2/7
> A-1010 Wien
> FN 266155f, Handelsgericht Wien
>
> Tel.: +43/1/513 88 77 - 27
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> Email: [EMAIL PROTECTED]
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>
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-- 
Aaron Zeckoski ([EMAIL PROTECTED])
Senior Research Engineer - CARET - Cambridge University
[http://bugs.sakaiproject.org/confluence/display/~aaronz/]
Sakai Fellow - [http://aaronz-sakai.blogspot.com/]

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