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From "Delos Dai (JIRA)" <j...@apache.org>
Subject [jira] Created: (GERONIMODEVTOOLS-643) Refactor GEP 3.0 code to decouple various server adapters
Date Mon, 26 Apr 2010 05:53:31 GMT
Refactor GEP 3.0 code to decouple various server adapters
---------------------------------------------------------

                 Key: GERONIMODEVTOOLS-643
                 URL: https://issues.apache.org/jira/browse/GERONIMODEVTOOLS-643
             Project: Geronimo-Devtools
          Issue Type: Improvement
          Components: eclipse-plugin
    Affects Versions: 3.0
            Reporter: Delos Dai
            Assignee: Delos Dai
             Fix For: 3.0


GEP 3.0 will contain server adapters of all versions, including v1.1,v2.0,v2.1,v2.2,v3.0.
It makes current GEP code much complicated. 

IMO, we have following guideline of GEP structure design
1) "org.apache.geronimo.st.core" and ""org.apache.geronimo.st.ui" has common functions used
by various adapters. These two plug-ins shouln't depend on any version specific adapter plug-in,
such as "org.apache.geronimo.runtime.vXX","org.apache.geronimo.st.vXX.core" and "org.apache.geronimo.st.vXX.ui"

2) "org.apache.geronimo.j2ee.v11.jaxbmodel" is dedicated to v11 adapter, while "org.apache.geronimo.jee.v21.jaxbmodel"
is for v20,v21,v22 adapter. So far, no jaxb model updated for v30, so v30 adapter still depends
on  "org.apache.geronimo.jee.v21.jaxbmodel"
3 )Since v20,v21 and v22 adapters all depends on v21  jaxb model , they shared operations
on the model. Currently, we put all their shared  operations in "org.apache.geronimo.st.v21.core"
and ""org.apache.geronimo.st.v21.ui". Both plug-ins of v20 and v21 adapters depend on them.
4) For v11 adapter, it's the only  adapter for JEE 4 and it depends on v11 jaxb model. Except
common functions in "org.apache.geronimo.st.core", it doesn't have much in common with other
adapter. 
5) For v30 adapter, it's the only adapter for JavaEE 6. Currently, since it still uses v21
jaxb model, it needs operations on the model. As a result, V30 plug-in still depends on "org.apache.geronimo.st.v21.core"
and ""org.apache.geronimo.st.v21.ui". In future, once updated jaxb model for v30 is added,
we will remove v21.core and v21.ui from its dependency list.

Unfortunately, current GEP code doesn't strictly obey the guideline above. So I did some refactoring
work for GEP 3.0 code. I won't commit the change until we get an agreement on this.

I hope all of us are able to have the same undertstanding on GEP structure. It will avoid
potential confusion in future.  

Thanks!

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