Combining JAXB and JPA in one model

Question

I have to design a data model (in a Java EE 6 application) that will be persisted via JPA, and that also needs to be serialized via JAXB. The last time I did that, I had one

Answer 1

DataNucleus allows persistence using JPA to RDBMS (using JDBC behind the scenes) and XML (using JAXB behind the scenes). It can interprete your JPA annotations as defining how the JAXB serialisation is performed - you could add JAXB annotations too if you so wished