Re: [eclipselink-users] Overwrite session manager settings

["Philipp Kursawe" <phil.kursawe@xxxxxxxxx>]

On Thu, 19 Mar 2009 19:23:07 +0100, Tom Ware <tom.ware@xxxxxxxxxx> wrote:

> Hi Phil,
>
>    In EclipseLink, EntityManagerFactory holds the object that controls  
> database connections.  As a result you need to provide the database  
> properties to the EntityManagerFactory at creation time.  (In the  
> bootstrap API, a Map can be provided to the  
> Persistence.createEntityManagerFactory(String, Map) method.)

Unfortunatly I have no control over the creation of the EMF... it is  
handled by Dynamic-JPA.
I will have to contact the author what we can do there, I guess.

>    If you need to regulate these things on an EntityManager basis, there  
> is some EclipseLink specific API that can be used to do that, but for  
> most people, the general API is sufficient.
>
> -Tom
>
> Philipp Kursawe wrote:
> > Is it possible to overwrite the settings made in the persistence.xml  
> > when creating the EntityManager using an  
> > EntityManagerFactory.create(Map)?
> > It seems like that the properties I am handing in are not valued.
> >  Is it in any other way possible to set certain persistence.xml values  
> > from within the program? I mean I cannot seriously be asked to put  
> > login credentials inside a JAR?
> > I would like the user to configure those values and feed them to  
> > EclipseLink programmatically not from the persistence.xml.
> >  Thanks for your help!
> > Phil
> > _______________________________________________
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> > eclipselink-users@xxxxxxxxxxx
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