| GMF UML Editor [message #202468] |
Tue, 19 August 2008 15:03  |
Eclipse User |
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Originally posted by: cfehling.de.ibm.com
Hello everyone,
I am very new to GMF and totally overwhelmed by the possibilities it
offers. So please excuse if this question is very generic.
I would like to define a Metamodel in UML and then use a UML Editor to
create UML Models which conform to this Metamodel. As far as I
understand I would have to define graphical elements for each element in
my small Metamodel, when using GMF but instead I would like to simply
map elements from my Metamodel to UML Elements and then use the
graphical representation a UML editor offers.
Is it possible to do only the Metamodel and the mapping to UML Elements
using GMF or am I trying to use a way to powerful tool for a rather
simple task here.
Thanks,
Christoph Fehling
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| Re: GMF UML Editor [message #202512 is a reply to message #202468] |
Tue, 19 August 2008 17:22  |
| Eclipse User |
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Originally posted by: eclipse.[REMOVE]stefan-kuhn.eu
Christoph,
GMF is a framework to create graphical editors. I don't understand
a) your usecase :)
b) where in your usecase a _new_ graphical editor is needed
But maybe this helps:
* You can't "define" a metamodel in UML
** the eclipse.uml2 metamodel is defined in EMF, which 'replaces' OMGs
meta-metamodel MOF.
** EMF is -on another level of abstraction- a subset of UML
** --> importing a UML2 diagram in EMF treats the UML elements as if
they were the same element in EMF. This "import" was invented to easily
create EMF models with UML tools at a time no (or bad) 'native' EMF
tools existed.
* UML offers a kind of metamodel, or user models which affect the
metamodel layer: Profiles
** search for uml lightweight (profiles) or heavyweight extensions
* for M2M-transformations (if this is what you want), I would suggest
oAWs xTend
-stefan
P.S. In meiner Dipl. Arbeit im Eclipse Wiki steht auch n bissl was dazu ;)
Christoph Fehling schrieb:
> Hello everyone,
>
> I am very new to GMF and totally overwhelmed by the possibilities it
> offers. So please excuse if this question is very generic.
>
> I would like to define a Metamodel in UML and then use a UML Editor to
> create UML Models which conform to this Metamodel. As far as I
> understand I would have to define graphical elements for each element in
> my small Metamodel, when using GMF but instead I would like to simply
> map elements from my Metamodel to UML Elements and then use the
> graphical representation a UML editor offers.
>
> Is it possible to do only the Metamodel and the mapping to UML Elements
> using GMF or am I trying to use a way to powerful tool for a rather
> simple task here.
>
> Thanks,
>
> Christoph Fehling
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| Re: GMF UML Editor [message #202636 is a reply to message #202468] |
Wed, 20 August 2008 12:18 |
| Eclipse User |
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Originally posted by: cfehling.de.ibm.com
Thanks for your answers :)
until now I have used UML Profiles to extend the UML Metamodel, but this
is getting really complex (just too many stereotypes and constraints).
Coming from this background I thought I could somehow circumvent the
necessity to define a graphical mapping for my metamodel since the
contained elements are very similar to those of UML.
I guess I will play around more with the GMF examples and try to create
a very own editor for my metamodel.
That's much nicer, too ;-)
Thanks,
Christoph Fehling
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