Re: [Andromda-user] Loading a metamodel...

[SainTiss <sai...@gm...>]

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Tony,

On Wednesday 24 September 2003 18:31, Tony Mowers wrote:

>
> My plan for sometime now has been to extend AndroMDA so that it can handle
> any meta-model.  I envisioned extending the AndroMDA <repository> ant tag
> so that in addition to the classname of the repository one could also
> specify a set of property tags that could be used to configure the
> repository.
>
> I would then leave the hard-coded uml specific defaults in the
> MDRespositoryFacade implementation, but also provide the ability for users
> to override these defaults with their own values.
>
> I imagined it would work something like:
>
> <andromda ...>
>
>   <repository classname=3D"MyRepository" transformClassname=3D"MyScriptHe=
lper">
>     <property name=3D"metaModelURL" value=3D"file:c:/commomwarehouse.xmi"=
/>
>     <property name=3D"mofPackageName" value=3D"EntityRelation"/>
>   </repository>
>
>   <generateJMI destdir=3D"build/gensrc"/>
>   ...
>
> </andromda>
>
> What would you think of a features something like the above?

I think that would indeed remove the need to subclass the repositoryFacade,=
=20
and as well make things a bit more logical... After all, one wouldn't reall=
y=20
expect an MDR repository facade to be bound to UML...
So I think it's a good idea :-)

>
> You have the basic idea right.  The thing that is probably causing you so=
me
> confusion is that the UML1.4 metamodel is contained inside the UML14.jar,
> but it's definition is spread across two files
>
>   umlmodel.xmi
>   01-02-15.xml

Oh, ic... I already thought the xmi file was a bit short, but I only had a=
=20
quick look at it as I'm not really familiar with raw XMI formats...

>
> The umlmodel.xmi file makes reference to the 01-02-15.xml file.  It is in
> this second file that the mysterious MOF package "UML" is defined.
>
> The MOF package named "UML" is used as the meta-model for another MDR
> extent. The second MDR extent, based upon the UML metamodel, is the one
> into which UML based models are loaded.

What exactly do you mean by that last part? I thought UML was a MOF model (=
a=20
MOF instance), but apparently it's not that, but a MOF package? I'm a bit=20
confused here...

Thanks,

Hans

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Ark Linux - Linux for the Masses (http://arklinux.org)

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Hans Schippers
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UA 2003-2004
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