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From "Gilberto C. Andrade" <gilbert...@gmail.com>
Subject Re: Cayenne POJO inheritance
Date Fri, 14 Aug 2009 19:41:03 GMT
Ok, after a good read on [1] and [2], I could understand that what I
want to do [3], right now, is not implemented in cayenne.  Cayenne
only supply table-per-class-hierarchy feature.
Is that right?

Gilberto

[1] http://cayenne.apache.org/doc/inheritance-overview.html
[2] http://cayenne.apache.org/doc/modeling-inheritance.html
[3] http://edocs.bea.com/kodo/docs324/img/inheritance-vertical.png


On Mon, Aug 10, 2009 at 2:49 PM, Gilberto C.
Andrade<gilbertoca@gmail.com> wrote:
> Thanks Tore, but my initial problem is understand Andrus's tips:
> 3 Run class generator to generate the _Xyz superclasses.
> 4 Change the existing classes by hand to inherit from _Xyz counterpart.
> 5 Remove existing persistence fields, and use superclass getters and
> setters to access them. * Change the API throughout the code to use
> Cayenne ObjectContext and Queries.
>
> In my model I have this hierarchy (implemented):
>
> Pessoa->PessoaFisica
> Pessoa->PessoaJuridica
>
> Cayenne Modeler generated:
>
> public abstract class Pessoa extends _Pessoa
> public class PessoaFisica extends _PessoaFisica
> public class PessoaJuridica extends _PessoaJuridica
>
> and this one into auto package:
>
> public abstract class _Pessoa extends CayenneDataObject
> public abstract class _PessoaFisica extends Pessoa    <========== HERE
> IS THE POINT
> public abstract class _PessoaJuridica extends Pessoa <========== HERE
> IS THE POINT
>
> Is that all ok? Shouldn't [_PessoaFisica extends Pessoa] be
> [_PessoaFisica extends _Pessoa ]?
>
> Gilberto
>

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