Re: [jira] Updated: (CAY-400) Support for user properties of DataMap objects.

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Mon Jun 01 2009 - 02:57:38 EDT

  • Next message: chen li: "Re: [jira] Updated: (CAY-400) Support for user properties of DataMap objects."

    On Jun 1, 2009, at 8:50 AM, Aristedes Maniatis wrote:

    > Jack is an intern at ish who has been working on this task. We
    > discussed the basic design strategy and class structure, and Jack
    > has put together some code.

    Great! Jack, welcome to the community :-)

    > We'd like some feedback about the approach, especially the idea of
    > superclassing the CayenneMapItems to allow for the code to live in
    > one place.

    I am ok with a common superclass of mapping objects. I don't like the
    CayenneMapItem name though. We have no current notion of "CayenneMap",
    so "CayenneMapItem" is confusing (not that I am happy with the name
    DataMap, heh :-)). Maybe something like MappingObject, which feels
    more generic along the lines of "Object Relational Mapping"?

    Also I am not sure we need a special Info object. A simple Map<String,
    String> attached to a MappingObject should be enough from what I see.
    The current Info object has a notion of a parent. Could you elaborate
    why is it a tree structure?

    "Info" name is a bit confusing, at least to a Java programmer (I know
    it was used in EOF). Everywhere else in Cayenne a similar unstructured
    String data attached to an object is called "property". I suggest we
    stick with this naming convention.

    Andrus



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