XSD Schema - JAXB marshaling - Datastore(JPA/JDO) Roundtrip

Question

I\'m trying to find a way to accomplish a xsd schema to datastore roundtrip, with minimum effort.

I used jaxb to build my object model from schemas, now I would lik

Answer 1

You have several options for this use case.

Option #1 - Hyperjaxb3

I have not used this myself, but Hyperjaxb3 is supposed to generate both JAXB and JPA annotations on the model:

• http://confluence.highsource.org/display/HJ3/Home

Option #2 - Use Dali to map your POJOs to Database (JPA)

The Eclipse Dali tool provides tooling to easily map your POJOs to a relational database using JPA:

• http://www.eclipse.org/webtools/dali/

Option #3 - Use EclipseLink

EclipseLink provides both JPA and JAXB implementations. The JAXB implementation (MOXy) contains extensions specifically for handling JPA entities:

• http://wiki.eclipse.org/EclipseLink/Examples/MOXy/JPA

Answer 2

Use DataNucleus and you can persist via JDO or JPA and internally it uses JAXB. http://www.datanucleus.org