Re: Pointers for JPA integration tutorial

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Tue Aug 28 2007 - 07:52:32 EDT

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    Hi Shannon,

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

    Andrus

    On Aug 27, 2007, at 5:32 PM, Clark_Shanno..mc.com 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 [mailto:andru..bjectstyle.org]
    > Sent: Saturday, August 25, 2007 2:58 PM
    > To: use..ayenne.apache.org
    > 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 :-)
    >
    > http://people.apache.org/~aadamchik/tutorial/cayenne-jpa-
    > 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, Clark_Shanno..mc.com 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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