Hi, Just to add to Mike's correspondence... EMF == EntityManagerFactory IIRC == If I Remember Correctly
I would not even use the schema attribute: @Table(name="MYBEAN") Kevin On Mon, Jan 30, 2012 at 1:29 AM, yu wang <wangy...@gmail.com> wrote: > mike, > Thank you for your prompt response. > > I must said even though I don't quite understand what are EMF and IIRC > stand for in your context, from my understanding, the key point of > your solution is leaving the schema property empty in the bean define > file like: > @Table(name = "MYBEAN", schema = "") > > Then we can figure out a way to inject the schema name into > persistence.xml file and let user decide it in the deployment time. > > Is my understanding correct? > > Best Regards, > Yu Wang > > > On Sun, Jan 22, 2012 at 12:57 AM, Michael Dick <michael.d.d...@gmail.com> > wrote: > > Quick answer, you can use the openjpa.jdbc.Schema property at EMF > creation > > time. IIRC this won't work with EMF injection though. > > > > A kludgy way to go would be to not define a schema in p.xml or in the > > entities and let it pick up the default schema from your datasource. If > you > > can use a resource reference in persistence.xml then you can map the > > resource reference to different datasources at deploy time. > > > > You'd have to set a custom property on the datasource (or use different > > logins) to get different schemas - but it should work. > > > > Otherwise I think there'd have to be some additional hooks in the app > > server at deploy time. > > > > hth > > -mike > > > > On Thu, Jan 19, 2012 at 12:25 AM, yu wang <wangy...@gmail.com> wrote: > > > >> Hello gurus, > >> When I were developing J2EE APP with OpenJPA, the db schema name is > >> hard-coded into the annotation of Bean files and persistence.xml > >> file, > >> which incurs user cannot configure their DB schema name for the apps. > >> > >> Are there any chances we can let users determine their DB schema name > >> when they deploy the J2ee app employing OpenJPA? > >> > >> Best Regards, > >> Yu Wang > >> >
