openjpa « Eclipse « JPA Q&A





1. Easiest way of programatically checking that a class has a valid JPA defintion    stackoverflow.com

I'm working with many classes which are annotated with javax.persistence.Entity and the like. My project is about generating metadata about JPA-annotated classes rather than persistence by itself, so I'm using them ...

2. Is there any advantage for using a library other than Hibernate for JPA?    stackoverflow.com

I've been using JPA for some time now and been in projects where we've used both Hibernate Annotations and Toplink Essentials. AFAIK the project leader chose Toplink because Netbeans had it ...

3. JPA 2.0 Implementations comparison : Hibernate 3.5 vs EclipseLink 2 vs OpenJPA 2    stackoverflow.com

What's your choice? Do You have any suggestions and experience? I'm developing an application with Hibernate 3.5 and Spring 3.0 Pros:

  • Good documentation
  • Easy configuration and helpful logs
  • Popularity - wide community
  • Some extensions to JPA
  • Some ...

4. Enhancing openJPA classes in Eclipse    stackoverflow.com

I'm trying to enhance openJPA classes by this guide: enhancement-with-eclipse.html For some reason the same setup works in Windows but gives this problem in Ubuntu. Does anyone see what I'm ...

5. Migration issue - Kodo/OpenJPA to EclipseLink    stackoverflow.com

I have an environment setup with Java EE (weblogic 10.0). Thus, Kodo/OpenJPA is used as the JPA implementation. For some reasons I want to migrate to EclipseLink. Now I have the ...

6. Libraries for hash partitioning/Sharding with JPA    stackoverflow.com

My department has decided move to hash partitioning/sharding for some of our large Oracle databases. We will be splitting our entities across different schemas. I've been tasked to do ...

7. PersistenceException when running SynchronizeMappings    stackoverflow.com

I have eclipse java project using apache openJPA. Has eclipse got some kind of cache need to be clean? I had one class , UsaState ...mapped to USA_STATE table. I have removed ...