+1 for providing both JPA 1.0 and JPA 2.0 support. Milinda
On Fri, Jun 11, 2010 at 6:14 AM, Jeff Yu <[email protected]> wrote: > I think we shouldn't expect to use the schema as same as dao-hib at this > stage, as I believe there would still some minor changes in the JPA Dao. > And > I think it should be acceptable to have little update on the schema change > as long as we specify them out and provide some simple migration utility. > > With regard to the JPA 2.0, I am thinking about that whether we can make > ODE > run against both JPA 1.0 and JPA 2.0 container. I believe we have many > users > running against JPA 1.0 container, if we upgrade it to JPA 2.0, they have > to > upgrade their JPA container. So it would be best that we say adding some > jars, it would support JPA 2.0, otherwise, it is for JPA 1.0 by default. > what do you think? > > For the jpa change that I did now, I will try to commit them in after > axis2-war module test part is enabled and checked in. > > Regard > Jeff > > On Fri, Jun 11, 2010 at 1:32 AM, Aaron Anderson <[email protected] > >wrote: > > > HI Rafal, > > > > I have attached the generated derby DDL scripts for the hibernate DAO > > (derby-hib.sql) and JPA DAO (derby.sql). They are very similar and it > > shouldn't be much of a problem to make the JPA entities map to the > hibernate > > schema. It is probably best that there is one static and supported DB > schema > > anyway. > > > > While addressing the JPA changes we should also consider upgrading to JPA > > 2.0. There are only a few features that would simplify the JPA code but > if > > there are not that many current ODE JPA users it would be best to start > off > > with the latest version and avoid future versioning conflicts. > > > > Regards, > > > > Aaron > > > > *From:* Rafal Rusin <[email protected]> > > *To:* Jeff Yu <[email protected]>; Aaron Anderson < > > [email protected]> > > *Cc:* [email protected] > > *Sent:* Thu, June 10, 2010 9:01:00 AM > > *Subject:* Changing roadmap for JPA refactoring > > > > Hello, > > > > is this possible (and how much effort it is) to make JPA (hibernate > powered > > version) work on the same schema as dao-hib does? > > This way we could migrate all current hibernate users to JPA in future > and > > finally drop hib-dao. I believe there are not much current OpenJPA users, > so > > we can modify this schema. On the other hand, there's a lot of dao-hib > > users, > > so we really want to migrate them (because of later drop for dao-hib). > > > > What do you think? > > > > -- > > Regards, > > Rafał Rusin > > http://rrusin.blogspot.com > > > > > > -- > Cheers, > Jeff Yu > > ---------------- > blog: http://jeff.familyyu.net > -- Milinda Pathirage Technical Lead & Product Manager WSO2 BPS; http://wso2.org/bps WSO2 Inc.; http://wso2.com E-mail: [email protected], [email protected] Web: http://mpathirage.com Blog: http://blog.mpathirage.com
