[jira] [Closed] (CAY-2704) Vertical inheritance with Embeddedables looses ObjAttribute information

["Nikita Timofeev (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAY-2704?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nikita Timofeev closed CAY-2704.
--------------------------------
    Resolution: Fixed

https://github.com/apache/cayenne/commit/16d61acf01fefd2e1a6f2d31440c10863406510f

> Vertical inheritance with Embeddedables looses ObjAttribute information
> -----------------------------------------------------------------------
>
>                 Key: CAY-2704
>                 URL: https://issues.apache.org/jira/browse/CAY-2704
>             Project: Cayenne
>          Issue Type: Bug
>          Components: Core Library
>    Affects Versions: 4.2.M3
>            Reporter: Roland Szabó
>            Assignee: Nikita Timofeev
>            Priority: Major
>             Fix For: 4.2.B1
>
>
> I tried to implement a simple vertical inheritance with two object entities. The super entity has an Embeddable as one of its object attribute with no attribute overrides.
> I noticed the problem when trying to #validateForSave in the child entity. The ObjEntity#getAttributes call collect all the attributes, and also consults the super entity, but in ObjEntity#appendAttributes it creates a copy of the attribute descriptor. When doing this, it creates a uniform ObjAttribute, independent of the original type (eg. EmbeddedAttribute).
> Later, the validation method makes an exception for embedded attributes, but in my case, this exception does not get triggered and results in a CayenneRuntimeException thrown because the "ObjAttribute does not have a corresponding DbAttribute".
> I also get this error in the Modeler, and this seems to me a bug.
> Also, I'm using 4.2.M2, but there is no such version here in Jira... :)



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