Fwd: [openejb-dev] OpenEJB 3 and Cayenne JPA

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Wed Apr 12 2006 - 04:17:36 EDT

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    FYI: below is my email exchange with David Blevins on integrating
    Cayenne provider with OpenEJB by JavaOne.

    Jeff, Bill - I was wondering where are we on the class enhancers and
    orm.xml?

    Andrus

    Begin forwarded message:
    > From: Andrus Adamchik <andru..bjectstyle.org>
    > Date: April 12, 2006 12:13:39 PM GMT+04:00
    > To: de..penejb.org
    > Subject: Re: [openejb-dev] OpenEJB 3 and Cayenne JPA
    > Reply-To: de..penejb.org
    >
    > Hi David,
    >
    > Let's do it!
    >
    > Currently a JPA EntityManager is a thin wrapper around Cayenne so
    > it allows to use the JPA API, but underneath it only supports
    > Cayenne mapping. EJB QL queries are yet unsupported. Jeff Genender
    > and Bill Dudney are looking at class enhancers, annotations and the
    > mapping. I'll check on cayenne-dev list where we stand on that.
    >
    > As far as container integration, we can start right away, as
    > provider part is there. Here is provider M2 project info:
    >
    > http://objectstyle.org/confluence/display/CAY/JPA+Development+Setup
    >
    > I guess once we nail down the integration part, we can continue to
    > work in parallel and get in as many features as possible.
    >
    > Andrus
    >
    >
    >
    > On Apr 11, 2006, at 11:51 PM, David Blevins wrote:
    >> Hey Andrus,
    >>
    >> What's the status of the Cayenne JPA stuff? Are there any parts
    >> implementing JPA interfaces which are more or less usable at the
    >> moment?
    >>
    >> I'm completely insane of course, but I think if i work all night
    >> and day for the next few weeks I can have something for people to
    >> play around with by JavaOne. You up for the challenge?
    >>
    >> At the moment I'm poking at the start of some deployment code and
    >> it's going quite well. By the weekend we should see some magic
    >> there and I'll be looking line up some more integration stuff,
    >> then I'll be working more on the 2.x container integration. So
    >> there is like a week or two gap till I'd be looking for some JPA
    >> functionality to integrate -- figured I'd shoot this off and see
    >> if you might be able to get something JPA wise in Cayenne by then.
    >>
    >> -David
    >



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