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From "Delos Dai (JIRA)" <>
Subject [jira] Commented: (GERONIMODEVTOOLS-643) Refactor GEP 3.0 code to decouple various server adapters
Date Mon, 10 May 2010 14:07:48 GMT


Delos Dai commented on GERONIMODEVTOOLS-643:

After talk with Tim, I think we will refactor current code as follows
1) Make all v30 plugins independent. All plugins for v30 adapters won't depend on st.core,st.ui,st.v21.core
and st.v21.ui any more. Just as Tim said, it will be much convenient to integrate new OSGI
functionality for v30 adapters.

2) Keep refactoring code for remaining adapters v11,v20,v21 and v22. It will go according
to the first four guidelines in description.

3) Pull all operations for JAXB model into jaxb model plugin. It will make jaxb model with
high coherence. 

Tim, I found you have completed item 1. I have completed item 2 in #942744. 

I will continue working on item 3.

> Refactor GEP 3.0 code to decouple various server adapters
> ---------------------------------------------------------
>                 Key: GERONIMODEVTOOLS-643
>                 URL:
>             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) "" and """ 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","" and ""

> 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 ""
and """. 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 "", 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
"" and """. 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
> 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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