Re: Flex & Cayenne

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Thu Aug 17 2006 - 09:42:39 EDT

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    Hi Malcolm,

    You can traverse an object graph using ClassDescriptor with a custom
    PropertyVisitor. For instance DataContext.registerNewObject(..)
    implements a similar algorithm for the NEW objects.

    Andrus

    On Aug 17, 2006, at 7:33 AM, Malcolm Edgar wrote:

    > Hi All,
    >
    > I am currently having problems integrating Flex Data Services with
    > Cayenne.
    >
    > With the Flex 2 design patterns, I have a corresponding ActionScript
    > DataObject on the client, with is then converted into a Cayenne
    > DataObject using reflection by some Flex serialization libraries.
    >
    > Creating new objects works fine, but when I try and update existing
    > objects I run into troubles. Flex will provide me with an graph of
    > Cayenne DataObjects which have an ID, and a corresponding record in
    > the database, but are not registered with the DataContext.
    >
    > Do you have any ideas how I could work around this issue. I dont mind
    > hacking the Cayenne library to address this issue.
    >
    > regards Malcolm Edgar
    >

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