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From Andrus Adamchik <>
Subject Re: Pointers for JPA integration tutorial
Date Tue, 28 Aug 2007 11:52:32 GMT
Hi Shannon,

let me better investigate the scope in the next couple of days.


On Aug 27, 2007, at 5:32 PM, wrote:

> Andrus,
> Thanks so much!!!!  Do you have a feel for when you will have the
> enhancer bug fixed (yeh, I'd call that a big one B-) ) and the JPA
> provider will be ready for Alpha?
> Shannon
> -----Original Message-----
> From: Andrus Adamchik []
> Sent: Saturday, August 25, 2007 2:58 PM
> To:
> Subject: Re: Pointers for JPA integration tutorial
> Hi Shannon,
> the reason for the absent tutorial is that the JPA provider is still
> work in progress, and we need to plug a few holes in the provider
> before it can be considered Alpha and ready for experimentation. But
> I decided to write one anyways :-)
> tutorial.tar.gz
> See the README.txt file inside the archive for details. Unlike other
> Cayenne tutorials it doesn't have a Modeler in the picture (following
> JPA philosophy of modeling persistence straight in the code via
> annotations). So you'd have to run the schema generation script via
> "ij" Derby tool (see README.txt again), and then fire up the app from
> Eclipse. Also note that the tutorial includes the latest Cayenne
> build from trunk which, compared to 3.0M1, has *much* more capable
> EJBQL engine and also fixes a bunch of bugs.
> Now the holes I mentioned above. The main one that I can think of
> right now is an enhancer bug that prevents relationships use (doh!
> that's a big one). I guess once that's fixed, we can declare the
> provider to be in the usable alpha state.
> Cheers,
> Andrus
> On Aug 24, 2007, at 11:09 PM, wrote:
>> Hi all,
>> I am new to both Cayenne and the JPA and trying to get a basic test
>> running with Cayenne 3.0M  and Derby. I have worked through the
>> Cayenne
>> tutorial in the quick start, but it does not have any info on how to
>> model, generate Objects and then work with the JPA.  I was hoping
>> someone could point me at a little tutorial or some demo code that
>> would
>> help me get started.
>> Thanks,
>> Shannon

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