[jira] Commented: (CAY-795) Horizontal inheritance

From: Andrus Adamchik (JIRA) ("Andrus)
Date: Mon Sep 29 2008 - 07:52:12 EDT

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        [ https://issues.apache.org/cayenne/browse/CAY-795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13125#action_13125 ]

    Andrus Adamchik commented on CAY-795:
    -------------------------------------

    I applied the last Dzmitry's patch with only cosmetic changes. Now we need to address a few modeler issues with overriden attributes, before moving to runtime implementation.

    > Horizontal inheritance
    > ----------------------
    >
    > Key: CAY-795
    > URL: https://issues.apache.org/cayenne/browse/CAY-795
    > Project: Cayenne
    > Issue Type: New Feature
    > Components: Cayenne Core Library
    > Affects Versions: 3.0
    > Reporter: Ari Maniatis
    > Assignee: Ari Maniatis
    > Fix For: 3.0
    >
    > Attachments: inheritance-progress.diff, Overriding_attributes.patch
    >
    >
    > Implement horizontal inheritance. This requires:
    > 1. Allow dbEntityName attribute to be null in <obj-entity ...>
    > 2. Modeler changes to allow this to be set. Validation should require that any class set in this way should have at least one subclass.
    > 3. Changes, particularly to SelectQuery, which accomodates this change and returns the appropriate objEntities. 

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