On Sep 15, 12:30 am, leszek <leszek.ptokar...@gmail.com> wrote:
> Sorry, but I'm afraid that you are completely on the bad track :
>
> - Google App Engine JPA supports only some subset of JPA
> implementation, it is unlikely that your existing-not trivial JPA
> application will migrate to Google App Engine without hefty coding.
> More probably that you can migrate smoothly to the "pure" DataNucleus
> - just opposite as you mean.
> - Google App Engine does not support any RDBD database, the only
> persistence layer supported is 'datastore' backed by Google Big Table.
>
> I suggest you to read :http://code.google.com/appengine/docs/java/datastore/
>
> Although it is focused on JDO it is also relevant to JPA. The
> underlying technology (Big Table) is exactly the same.
Thanks for clarifying this for me. So, I guess I will focus on using
the GWT without appengine rather than using appengine without Data
Nucleus.
Jeremy
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