Hello,
I'm not sure if we can implement MAP in JPA. I think it's nothing more
than Unidirectional one to one mapping. Only difference is that you
are using natural keys not surrogate keys. Maybe we should put effort
on using natural keys instead of surrogate keys. Am I overlooking
something very special and important on MAP?

Pavel

On Thu, Dec 11, 2008 at 12:49 PM, Patrik Nordwall
<[EMAIL PROTECTED]> wrote:
>
> It would be great if you can do this. Nobody else has signed up for it.
> /Patrik
>
>
> polly.c.chang wrote:
>>
>> Hi Patrik,
>>
>> I was just curious--is somebody working on this feature?  If not, when do
>> you think it might be done and how much work do you think it is to
>> implement?
>>
>> I'm just trying to think ahead.  As more people are starting to use what
>> I've built on top of Sculptor, I'm sure that they are going to be wanting
>> this feature.  So I am just trying to figure out if this is coming soon or
>> if I might need to build it myself.  If I need to build it, then I want to
>> know if this is a quick thing or something that requires more thought and
>> planning.
>>
>> I imagine that the following parts need to change (as usual):
>>
>> * metamodel:  Reference and Attribute need to be able to store the Map
>> information.
>>
>> * dsl:               the xtxt definition obviously needs to change for
>> Reference and Attribute
>>
>> * generator:    the DomainObject and Hibernate templates need to change.
>> There also need to be changes in DslTransformation.
>>
>> * dsl.editor:     maybe some extra validation?
>>
>> Do you think that this is a complex feature?  Any other tips, hints, or
>> warnings?
>>
>> Thanks,
>> Polly
>>
>>
>>
>>
>> Patrik Nordwall wrote:
>>>
>>> Yes, this is something we should support. I have added a request in jira:
>>> http://www.fornax-platform.org/tracker/browse/CSC-250
>>>
>>>
>>
>>
>
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>
>
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