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Posted to users@openjpa.apache.org by ml...@logemann.org on 2007/07/25 12:20:08 UTC
Horizontal Inheritance Mapping (kodo) in OpenJPA
Hi,
can OpenJPA handle this mapping?
http://www.solarmetric.com/Software/Documentation/3.4.0/docs/ref_guide_mapping_classmapping.html#horizontal
I have seen this in OpenJPA
http://openjpa.apache.org/docs/latest/manual/manual.html#jpa_overview_mapping_inher_single
Is this the same? I am trying to forecast problems in migrating from
Kodo 3.4 to OpenJPA...
--
regards
Marc Logemann
http://www.logemann.org
http://www.logentis.de
Re: Horizontal Inheritance Mapping (kodo) in OpenJPA
Posted by Marc Logemann <ml...@logemann.org>.
Hi Patrick,
thanks for the info on this one. After my kodo debugging session
because of a bug in kodo (see http://www.logemann.org/2007/07/18/
happy-nullpointer-digging-with-kodo-34-and-horizontal-mappings/) i am
keen to use openSource for persistence again. Here i have all the
code without doing nasty things with already compiled classes. See me
soon on the user/dev list when migration is complete :)
--
regards
Marc Logemann
[blog] http://www.logemann.org
[busn] http://www.logentis.de
Am 25.07.2007 um 18:16 schrieb Patrick Linskey:
> Hi Marc,
>
> In JPA-speak, horizontal mapping is called table-per-class:
> http://openjpa.apache.org/docs/latest/manual/
> manual.html#jpa_overview_mapping_inher_table_per_class
>
> Generally-speaking, OpenJPA supports almost all of the mapping formats
> that Kodo 3.4 does. I think that the exceptions are around certain
> container types, such as maps with embedded values for keys. Of
> course, these mappings are available in Kodo 4.1.
>
> -Patrick
>
> On 7/25/07, ml@logemann.org <ml...@logemann.org> wrote:
>> Hi,
>>
>> can OpenJPA handle this mapping?
>> http://www.solarmetric.com/Software/Documentation/3.4.0/docs/
>> ref_guide_mapping_classmapping.html#horizontal
>>
>> I have seen this in OpenJPA
>> http://openjpa.apache.org/docs/latest/manual/
>> manual.html#jpa_overview_mapping_inher_single
>>
>> Is this the same? I am trying to forecast problems in migrating from
>> Kodo 3.4 to OpenJPA...
>>
>> --
>> regards
>>
>> Marc Logemann
>> http://www.logemann.org
>> http://www.logentis.de
>>
>>
>
>
> --
> Patrick Linskey
> 202 669 5907
Re: Horizontal Inheritance Mapping (kodo) in OpenJPA
Posted by Patrick Linskey <pl...@gmail.com>.
Hi Marc,
In JPA-speak, horizontal mapping is called table-per-class:
http://openjpa.apache.org/docs/latest/manual/manual.html#jpa_overview_mapping_inher_table_per_class
Generally-speaking, OpenJPA supports almost all of the mapping formats
that Kodo 3.4 does. I think that the exceptions are around certain
container types, such as maps with embedded values for keys. Of
course, these mappings are available in Kodo 4.1.
-Patrick
On 7/25/07, ml@logemann.org <ml...@logemann.org> wrote:
> Hi,
>
> can OpenJPA handle this mapping?
> http://www.solarmetric.com/Software/Documentation/3.4.0/docs/ref_guide_mapping_classmapping.html#horizontal
>
> I have seen this in OpenJPA
> http://openjpa.apache.org/docs/latest/manual/manual.html#jpa_overview_mapping_inher_single
>
> Is this the same? I am trying to forecast problems in migrating from
> Kodo 3.4 to OpenJPA...
>
> --
> regards
>
> Marc Logemann
> http://www.logemann.org
> http://www.logentis.de
>
>
--
Patrick Linskey
202 669 5907