Re: Mapping List's

[Armin Waibel <ar...@apache.org>]

Hi Markus,

Markus Brigl wrote:
> Hi Armin,
> 
> it didn't mean the order-by, which does an ordering related to an
> attribute. What I mean is the insert order in a list; if an object A
> has index 0 in the list I would expect it has the same index after
> fetching the list in a different transaction.
> 
> At example with Hibernate it is possible to define a column, where the
> index of each object is stored; many JDO implementation do this without
> any required specification.
> 
> Can I reach this target even with OJB?
> 

Sorry, AFAIK this is currently not possible with OJB. Please make a 
feature request in JIRA.

regards,
Armin


> regards
> 
> Markus
> 
> On Mon, 2006-03-27 at 11:51 +0200, Armin Waibel wrote:
> 
>> Hi Markus,
>>
>> Markus Brigl wrote:
>>> Hi,
>>>
>>> I have a problem with the mapping of List's. If I store the list to DB
>>> and reload it the order of the objects are casual and not the same as I
>>> inserted them in the List. Can I configure the repository file in some
>>> way that OBJ stores even the indexes of the List?
>>>
>> Do you mean mapping of 1:n relations? In this case you can specify a 
>> "order-by" element in the collection-descriptor to force ordering.
>> http://db.apache.org/ojb/docu/guides/repository.html#orderby
>>
>> regards,
>> Armin
>>
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> 
> 

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