Re: remote object persistence - client classes

From: Tomi NA (hefes..mail.com)
Date: Wed Jul 05 2006 - 14:15:47 EDT

  • Next message: Andrus Adamchik: "Re: remote object persistence - client classes"

    On 7/5/06, Andrus Adamchik <andru..bjectstyle.org> wrote:
    > Actually clients written in other languages is one area that has a
    > huge potential. And this is something I'd really like to explore.
    >
    > Current transport layer (Hessian) has support in many other
    > languages, also a standard WS interface is being developed as a
    > Summer of Code project. All this works already. Still what's lacking
    > is an implementation of a client context in anything but Java. This
    > is the biggest challenge.

    Well, acording to my limited understanding of the framework, the misc.
    client lib implementations would be completely free of the
    database-specific code and the templates to generate client classes
    should be fairly easy to write...so that leaves the context,
    expression manipulation, query manipulation etc. There's some work to
    be done there, but it might make cayenne very interesting to a whole
    new audience:
    "Step 1: Welcome, to the new project wizzard. Please choose your
    language: Java/C#/php/Ruby/Python/Perl/whatever."
    "Step 2: tell me where your database is and I'll set up the servlet
    container and all cayenne-related files so that you can gat your hands
    on the db data..."
    "Step 3: go!"

    ...or something along these lines. :)

    > So if there is an interest in the community to write clients in .NET,
    > PHP, Ruby, Python, (or maybe JavaScript/AJAX???), etc., let's do it.
    > A full implementation would have to mirror "cayenne-client-
    > nodeps.jar", but it can start small, by providing only query API, and
    > then grow to support relationships and updates.
    >
    > Thoughts? Comments? Volunteers? ;-)

    Can you estimate the effort needed to produce the minimal
    implementation for another language? I mean, I'd like to hear an
    estimate of the size of the problem from someone who has a better idea
    than I do of the existing cayenne code needed to implement the client.
    I could go look at client-nodeps.jar, but I'm itching to get out of
    the office and I'd still miss things important to notice. :)

    Btw, the tutorial you linked to is very understandable. I only read it
    - haven't implemented anything - but it's still an opinion.

    Cheers,
    t.n.a.



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