Home » Modeling » Epsilon » [Epsilon] Complete Beginner: Is this possible?
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| Re: [Epsilon] Complete Beginner: Is this possible? [message #755390 is a reply to message #755375] |
Tue, 08 November 2011 10:42   |
 Steffen Zschaler
Messages: 266
Registered: July 2009 |
Senior Member |
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Hi Phil,
Why do you need to verify the links? If you generate the text-language
elements from the visual language, the correspondence will be exactly as
expressed in the generation rules.
I assume, that I misunderstand something about your question, though ;-)
Best,
Steffen
On 08/11/2011 10:05, 366409 wrote:
> Hi all,
>
> I am a complete beginner when it comes to Epsilon (or in fact the
> field of meta-modeling, model transformations etc). My question is, I
> have created a GMF editor from one Ecore model, and have another Ecore
> model for some text based language that is generated by the GMF
> editor. Is it possible to verify links between these two models using
> Epsilon?
>
> For example, If I create 3 elements of a one type in my GMF editor,
> then I would like to ensure that these 3 elements appear in the text
> based output.
>
> Alternatively, is it possible to somehow verify that certain elements
> from the Ecore model for the GMF editor map to elements in the Ecore
> model for the text based language?
>
> I have no idea if this kind of thing is possible with Epsilon, so any
> help would be much appreciated.
>
> Thanks
> Phil
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| Re: [Epsilon] Complete Beginner: Is this possible? [message #755425 is a reply to message #755399] |
Tue, 08 November 2011 13:14 |
Steffen Zschaler
Messages: 266
Registered: July 2009 |
Senior Member |
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Hi Phil,
On 08/11/2011 11:04, 366409 wrote:
> Hi Steffen,
>
> This is as I thought, although I was recently questioned when
> presenting work on whether I had considered using Epsilon to "verify"
> the translation from Graphical elements to the textual language. I
> have been reading around, and the more I read the less sense this
> question makes. Maybe another question which makes more sense is does
> Epsilon provide any features to support model to text transformation?
Yes, EGL, the Epsilon Generation Language.
> Also, from what I have read, I understand that Epsilon (EVL to be more
> precise) can be used to write constraints on models and can be used to
> show errors in the GMF editor. I wonder if the question I was
> originally asked relates to this, as this would stop any "junk" or
> broken code being generated from incomplete GMF models.
This seems to make more sense, at least :-)
Best,
Steffen
>
> Thanks for the quick response, and I hope my questions are not too
> naive...
>
> Phil
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