Re: [emf-dev] EMF meta-model (Ecore)

[Ed Merks <merks@xxxxxxxxxx>]

Marwan,

Please ask questions using the newsgroup
rather than using the mailing list.  More folks will see the answer
and benefit from it.

I don't think there is any substantial
difference between a model and a meta model so I don't think any special
design considerations apply.   I think it's generally a bad idea to
try to extend the Ecore model, even if you are defining a meta model.  For
example, the XSD (XML Schema) model is a meta model for XML, but it doesn't
extend Ecore and instead provides conversion to Ecore.  Probably any
meta model you design should follow this same approach. 


Ed Merks/Toronto/IBM@IBMCA
mailto: merks@xxxxxxxxxx
905-413-3265  (t/l 969)

"marwan chamaa" <cypher_kiss@xxxxxxxxxxx>
Sent by: emf-dev-admin@xxxxxxxxxxx

10/19/2004 12:42 PM

Please respond to
emf-dev

To	emf-dev@xxxxxxxxxxx
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Subject	[emf-dev] EMF meta-model (Ecore)

 Dear Readers of my email,
 
i hope you can be help me with my question i'm gonna ask.
Now, i want to develop a meta-model which is differently defined as the
EMF Ecore, so how do you suggest i do that, should i:
 
1) generate my meta-model with Ecore or
2)change Ecore as a meta-model and save it as a new metamodel
as a plugin?
 
In both cases what has to be changed or done besides writing
and extending java classes and interfaces  for this plugin to functon
as a modelling plugin in Eclipse?
 
If additionally you could name some good documents or
books abt the meta-modelling in eclipse i would be thankful.
 
Thank you for your time,
Marwan

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