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fabio.quimbay.parra
 Post subject: About EJB 3.0 and Hibernate 3.x ...
PostPosted: Tue May 09, 2006 9:39 pm 
Newbie

Joined: Tue May 09, 2006 8:25 pm
Posts: 2
Greetings ...

Can help me about the diference between EJB 3.0 (EJB-QL) and Hibernate 3.x (HQL); I understand that EJB 3.0 implements a persistence model and Hibernate 3.x other similar model; in a J2EE application where it compose EJB SESSION y EJB ENTITY, can I use the API of EJB 3.0 and/or Hibernate 3.x, respectively ? There is no conflict between EJB-SQL and HQL or your libraries ? Thank you for your help.
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alesj
 Post subject:
PostPosted: Wed May 10, 2006 5:08 am 
Expert
Expert

Joined: Sat Oct 25, 2003 8:49 am
Posts: 490
Location: Vrhnika, Slovenia
You can mix and match EJB3 and H3 how ever you feel.

But things differ a bit, as EJB3 is a subset of H3.
Check out javadocs for EntityManager and org.hibernate.Session.
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fabio.quimbay.parra
 Post subject: About EJB 3.0 and Hibernate 3.x ...
PostPosted: Wed May 10, 2006 5:41 pm 
Newbie

Joined: Tue May 09, 2006 8:25 pm
Posts: 2
I already understood. Thanks for your help.
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bmarcum
 Post subject:
PostPosted: Fri May 12, 2006 8:20 pm 
Beginner
Beginner

Joined: Sun Sep 25, 2005 11:57 am
Posts: 29
I have a simple application, using Hibernate 3.0 for persistence. This is just a "play" app I use to try various technologies. I want to migrate this app to EJB 3.0.

Is there an article or a paper or any documentation which might include a step by step on migrating from Hibernate 3.0 to EJB 3.0? Such a migration should be a "piece of cake", I think, but it would be instructive to see them compared side-by-side like this.

Thanks.
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