| How to inject ecore:reference with a QName without modifying a xsd [message #504851] |
Wed, 23 December 2009 03:32  |
Eclipse User |
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Originally posted by: atoulme.intalio.com
Hi,
I'm working on a xsd I cannot modify. It makes references between
elements of the model using QNames.
An obvious example is an edge that has a source and a target. They
relate to each other through QName references.
Of course the xsd doesn't define the type of the object referenced by
the QName, which leads EMF to create EAttributes attached to the Message
object, of type QName.
What I would like, instead of an EAttribute, is to have a EReference.
Usually I would just add a ecore:reference attribute to the complex type
definition in the xsd, but here it's forbidden.
Is there a way to imply an EReference in the xsd2ecore file ?
Any help is very welcome.
Thanks,
Antoine
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| Re: How to inject ecore:reference with a QName without modifying a xsd [message #504941 is a reply to message #504851] |
Wed, 23 December 2009 11:32  |
 Ed Merks
Messages: 33136
Registered: July 2009 |
Senior Member |
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Antoine,
Comments below.
Antoine Toulme wrote:
> Hi,
>
> I'm working on a xsd I cannot modify. It makes references between
> elements of the model using QNames.
>
> An obvious example is an edge that has a source and a target. They
> relate to each other through QName references.
>
> Of course the xsd doesn't define the type of the object referenced by
> the QName, which leads EMF to create EAttributes attached to the
> Message object, of type QName.
>
> What I would like, instead of an EAttribute, is to have a EReference.
>
> Usually I would just add a ecore:reference attribute to the complex
> type definition in the xsd, but here it's forbidden.
>
> Is there a way to imply an EReference in the xsd2ecore file ?
No, there's no support for treating a QName as an EReference.
>
> Any help is very welcome.
You might define a derived EReference that's computed from the
information in the QName EAttribute, but there's no way to inject that
purely via annotations into the XSD.
>
> Thanks,
>
> Antoine
Ed Merks
Professional Support: https://www.macromodeling.com/
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| Re: How to inject ecore:reference with a QName without modifying a xsd [message #504943 is a reply to message #504941] |
Wed, 23 December 2009 16:55 |
| Eclipse User |
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Originally posted by: atoulme.intalio.com
Thanks Ed. That should just work. I will keep two fields then:
an EAttribute with nameRef of type QName.
a derived EReference with name with the right type.
It's really verbose but hey.
On 12/23/09 8:27 AM, Ed Merks wrote:
> Antoine,
>
> Comments below.
>
> Antoine Toulme wrote:
>> Hi,
>>
>> I'm working on a xsd I cannot modify. It makes references between
>> elements of the model using QNames.
>>
>> An obvious example is an edge that has a source and a target. They
>> relate to each other through QName references.
>>
>> Of course the xsd doesn't define the type of the object referenced by
>> the QName, which leads EMF to create EAttributes attached to the
>> Message object, of type QName.
>>
>> What I would like, instead of an EAttribute, is to have a EReference.
>>
>> Usually I would just add a ecore:reference attribute to the complex
>> type definition in the xsd, but here it's forbidden.
>>
>> Is there a way to imply an EReference in the xsd2ecore file ?
> No, there's no support for treating a QName as an EReference.
>>
>> Any help is very welcome.
> You might define a derived EReference that's computed from the
> information in the QName EAttribute, but there's no way to inject that
> purely via annotations into the XSD.
>>
>> Thanks,
>>
>> Antoine
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