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Date: Thu, 07 Oct 2004 09:26:40 +0200
From: "Ludovic Maitre (POP - Factory Part)" <lmaitre@factory-part.com>
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To: OJB Developers List <ojb-dev@db.apache.org>
Subject: Re: [repository.dtd] class-descriptor attribute 'extends' -
 dispensable?
References: <416409E0.7040201@apache.org>
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Hello Armin,

As you know for my previous posts (on inheritance on multiple tables) we 
use this attribute in our applications. But if OJB 1.1 meet our needs 
for inheritance without modification we will enjoy to use it. If this is 
not the case, we will do a more clean implementation for OJB 1.1 of our 
patches that uses the extend attribute for and submit it to the community.
SO the community decide but there is at minimum 2 developers in the 
world who uses this attribute :-)
Best regards,
Ludovic

Armin Waibel a �crit:

> Hi all,
>
> seems that this attribute was not used by anyone. We don't have a test 
> case, no documentation. The intention of this attribute is to allow 
> some kind of "mapping inheritance" by declaring the super class the 
> fields inherited from.
> I don't like this attempt, because in code we always have to lookup 
> the super-fields too and the inheritance of references is not solved.
>
> So I suggest to deprecate or remove this attribute from dtd and clear 
> up source code.
>
> Any other suggestions? Does someone use this stuff?
>
> regards,
> Armin
>
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