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Re: [henshin-dev] Exported Packages in org.eclipse.emf.henshin.model [SOLVED]
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Dear Christian,
thank you for your hints.
But accidentally I found a solution which I was not considering in
modelling with EMF.
I inherited from the Henshin model and a really lightweight class from
my software. And within the ESuper Types attribute I set my new class on
first position which led to that I only implemented the Henshin classes
interfaces instead of extending the implementations.
But then I set the Henshin classes on first position and I automatically
extended the Henshin - impl classes.
And that is, what I had in mind by inheriting from Henshin.
Again thank you very much,
Jürgen
Dipl.-Ing. Jürgen Freund
Arbeitsgruppe Ähnlichkeitsmechanik
Telefon: +49 (0)711 685 69530
E-Mail: freund@xxxxxxxxxxxxxxxxxxxx
Postadresse:
Universität Stuttgart
Institut für Statik und Dynamik der Luft- und Raumfahrtkonstruktionen
Pfaffenwaldring 27 - Zimmer 01.002
70569 Stuttgart
On 16.08.2015 10:17, Christian Krause wrote:
> Hi Jürgen,
>
> one more comment: for lightweight extensions of the Henshin metamodel,
> you could also use annotations (see the ModelElement and Annotation
> classes). For more complex extensions, it is better though to extend the
> metamodel as you did.
>
> Cheers,
> Christian
>
> 2015-08-14 12:52 GMT+02:00 Christian Krause <henshin.ck@xxxxxxxxx
> <mailto:henshin.ck@xxxxxxxxx>>:
>
> Hi Jürgen,
>
> instead of reimplementing the methods again, ideally the generated
> implementation classes should inherit from Henshin's NodeImpl class.
> If EMF does not do this automatically, you can try to use the
> @extends tag in the user doc section of your generated
> implementation classes. Usually this is used for adding interfaces,
> but maybe it works also for superclasses. I did not find much
> information about it, you can take a look
> at https://www.faktorzehn.org/de/en/dokumentation/manuelle-anpassungen-des-generieten-codes/
> or the EMF book.
>
> If the extends tag does not work, you could use a custom EMF
> template to generate it in this way.
>
> If this also doesn't work, you need to reimplement the methods I
> guess, as you are doing it now. I added the actions package to the
> exports. You can pull the latest sources from git or fetch a nightly
> build. For reference, here is the corresponding Gerrit change:
> https://git.eclipse.org/r/#/c/53760/
>
> Cheers,
> Christian
>
>
> 2015-08-14 11:34 GMT+02:00 Juergen Freund
> <freund@xxxxxxxxxxxxxxxxxxxx <mailto:freund@xxxxxxxxxxxxxxxxxxxx>>:
>
> Hi Christian,
>
> so I made a model which has some classes that inherit from a
> Henshin node.
>
> When I generate the model into Java then I have some
> unimplemented methods.
> e.g.: public Action getAction()
>
> My first implementation of these methods is just a copy from the
> implemented methods within the henshin model.
>
> The above mentioned method uses
> NodeActionHelper.INSTANCE.getAction(this); for the body. This
> class is
> within the org.eclipse.emf.henshin.model.actions package which
> is not
> exported from the Henshin manifest file.
>
> So I get the following error:
> Access restriction: The method
> 'GenericActionHelper<Node,Rule>.getAction(Node)' is not API
> (restriction
> on required project 'org.eclipse.emf.henshin.model')
>
>
> Greets,
> Jürgen
>
>
>
> Dipl.-Ing. Jürgen Freund
> Arbeitsgruppe Ähnlichkeitsmechanik
>
> Telefon: +49 (0)711 685 69530 <tel:%2B49%20%280%29711%20685%2069530>
> E-Mail: freund@xxxxxxxxxxxxxxxxxxxx
> <mailto:freund@xxxxxxxxxxxxxxxxxxxx>
>
> Postadresse:
> Universität Stuttgart
> Institut für Statik und Dynamik der Luft- und
> Raumfahrtkonstruktionen
> Pfaffenwaldring 27 - Zimmer 01.002
> 70569 Stuttgart
>
> On 14.08.2015 11:22, Christian Krause wrote:
> > Hi Juergen,
> >
> > Could you let us know the exact dependency problem / error
> message?
> >
> > Cheers,
> > Christian
> >
> >
> > Sent from my mobile
> >
> > -------- Original message --------
> > From: Juergen Freund
> > Date:14/08/2015 10:23 (GMT+01:00)
> > To: henshin-dev@xxxxxxxxxxx <mailto:henshin-dev@xxxxxxxxxxx>
> > Subject: [henshin-dev] Exported Packages in
> org.eclipse.emf.henshin.model
> >
> > Dear all,
> >
> > I try to use Henshin within a software I write and therefore I
> inherit
> > from parts of the Henshin model.
> >
> > But it will not compile since the package
> > org.eclipse.emf.henshin.model.actions is not in the exported
> list of the
> > manifest file.
> > Every package within the model plugin gets exported except
> this one. Is
> > there a specific reason for that?
> >
> >
> > Thanks in advance and best regards,
> > Jürgen
> >
> >
> > --
> > Dipl.-Ing. Jürgen Freund
> > Arbeitsgruppe Ähnlichkeitsmechanik
> >
> > Telefon: +49 (0)711 685 69530
> <tel:%2B49%20%280%29711%20685%2069530>
> > E-Mail: freund@xxxxxxxxxxxxxxxxxxxx
> <mailto:freund@xxxxxxxxxxxxxxxxxxxx>
> >
> > Postadresse:
> > Universität Stuttgart
> > Institut für Statik und Dynamik der Luft- und
> Raumfahrtkonstruktionen
> > Pfaffenwaldring 27 - Zimmer 01.002
> > 70569 Stuttgart
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