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From "Raymond Feng" <enjoyj...@gmail.com>
Subject Re: SCA source tree and build structure
Date Tue, 03 Apr 2007 17:22:08 GMT
+1.

Raymond

----- Original Message ----- 
From: "Jean-Sebastien Delfino" <jsdelfino@apache.org>
To: <tuscany-dev@ws.apache.org>
Sent: Tuesday, April 03, 2007 3:45 AM
Subject: SCA source tree and build structure


> Hi all,
>
> We've discussed the need for a working top-down build in a number of 
> threads now:
> http://www.mail-archive.com/tuscany-dev@ws.apache.org/msg14658.html
> http://www.mail-archive.com/tuscany-dev@ws.apache.org/msg15892.html
> http://www.mail-archive.com/tuscany-dev@ws.apache.org/msg16062.html
> http://www.mail-archive.com/tuscany-dev@ws.apache.org/msg16085.html
>
> We're also starting to discuss the contents of our next release, so it's 
> probably about time to do something concrete to fix that build :) Here's a 
> pretty basic proposal for how to fix it.
>
> First simplify our trunk structure:
> java/
>  pom/parent/pom.xml
>
>  sca/
>    pom.xml
>    modules/
>      pom.xml
>      assembly
>      binding-axis2
>      contribution
>      core
>      databinding
>      discovery-jms
>      federation
>      http-jetty
>      idl-java
>      impl-java
>      ...
>      The "next release" discussion will help us determine the list of 
> modules.
>
>    samples/
>      build.xml <-- I'd like to build the samples with Ant as well as Maven
>      pom.xml
>      calculator
>      supplychain
>      bigbank
>      helloworld
>      ...
>      Here also, the release discussion will help determine the list.
>
>    itest
>      pom.xml
>      bindings
>      exceptions
>      spec
>      ...
>      Here I suggest to copy the tests from the integration branch.
>
> Maven technicalities:
> - sca/pom.xml's parent will be pom/parent/pom.xml
> - Other poms will use the pom from the parent folder as parent pom
> - Group ids: org.apache.tuscany.sca, org.apache.tuscany.sca.samples, 
> org.apache.tuscan.sca.itest
> - Version of our modules will be specified once in java/sca/pom.xml, child 
> poms don't need specify a version as they get it from their parent
>
> Naming conventions:
> - Use all lowercases and dashes in folder names (like in the jar names)
> - Maven artifact id = tuscany-<folder name>
>
> Building the tree:
> Simple... cd java/sca, then mvn. It should work even if you start with an 
> empty Maven local repository, and it should always work :) Build breaks 
> should be avoided or get fixed quickly, it's the least we can do to be 
> nice to our community of developers and users to avoid breaking them all 
> the time.
>
> Handling modules not part of the next release:
> If people want to work on some new modules that won't be part of the next 
> release and not included in the top-down build, that's fine, we can just 
> avoid listing these modules in java/sca/modules/pom.xml. So, they can be 
> there in the same source tree but they won't break the release top-down 
> build, and they won't have to be building at all times.
>
> So, to make this proposal concrete, I'm planning to put my build guy hat 
> on and start putting that build structure together on Tuesday. I won't 
> break any of the existing modules as the new folder names won't conflict 
> with the existing folders. Also I'll copy the modules to the new folders 
> instead of moving them.
>
> I would like to have this structure running for a few days, get people's 
> input, feedback or help to make it work :) and adjust it step by step to 
> what people in our community want. If it works well, then great, we'll 
> have a working build again and a happy community :) If people want to try 
> something else, we can try it too. Finally, we can revisit the tree 
> structure, the build etc. after the next release as well.
>
> Thoughts?
>
> -- 
> Jean-Sebastien
>
>
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