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From David Jencks <david_jen...@yahoo.com>
Subject Re: override persistence.xml in geronimo plan
Date Sat, 21 Jun 2008 16:10:18 GMT
Comments based on memory, not the code..... check before relying on  
them...
On Jun 21, 2008, at 3:35 AM, Phani Madgula wrote:

> Thanks.I tested with a sample overriding persistence-unit in openejb- 
> jar.xml. It worked well. Here are some more questions.
>
> 1. If a persistence-unit is declared both in openejb-jar.xml and  
> persistence.xml, I guess, the declaration in openejb-jar.xml will  
> override the one in persistence.xml entirely. That means, container  
> will not perform union of what is declared in openejb-jar.xml and  
> persistence.xml. am I right??

I think some merging takes place.
>
>
> 2. Does the point (1) above applies to only persistence-units  
> declared in both persistence.xml and openejb-jar.xml?? I mean, if  
> persistence.xml declares persistence-units which are not overridden  
> in openejb-jar.xml, can the application access those persistence- 
> units??
yes
>
>
> 3. Can the persistence-units be overridden in geronimo-web.xml as  
> well??
yes

hope this bears some resemblance to what the code does :-)

thanks
david jencks

>
>
> Thanks in advance
> Phani
>
> On Thu, Jun 19, 2008 at 4:58 PM, Jacek Laskowski <jacek@laskowski.net.pl 
> > wrote:
> On Thu, Jun 19, 2008 at 9:07 AM, Phani Madgula
> <phanibalaji.madgula@gmail.com> wrote:
>
> > I saw a related JIRA created for this issue. Can you explain what  
> can be
> > overridden in geronimo plan and how? Is it for only <jta- 
> datasource> and
> > <non-jta-datasource>??
> > https://issues.apache.org/jira/browse/GERONIMO-3308
>
> I'd say everything can be overridden. See
> jboss-seam-jee5-geronimo-plan.xml in Running JBoss Seam 2.0.0.GA on
> Geronimo 2.1.1 (http://cwiki.apache.org/GMOxSAMPLES/running-jboss-seam-200ga-on-geronimo-211.html

> ).
>
> Jacek
>
> --
> Jacek Laskowski
> Notatnik Projektanta Java EE - http://www.JacekLaskowski.pl
>


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