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Generate output from diagram content [message #1848557]

Tue, 07 December 2021 14:11

Eclipse User

Hi All,

I hope this makes sense, newbie here...

I am trying the following: I get a set of XSD files as input, from which I generate an EMF Generator Model, then an UML model and finally a Papyrus model (based on the instructions I found here: 1). I can then create class diagrams based on the model, which gives me the UI functionality I am looking for.

I would now like to generate some XML output based only on the content of a specific class diagram. Is there a way for doing this? Every generation example I look into seems to take into account the entire model -- I only use a handful of classes from the quite large input, so I would like to limit the scope.

https:// wiki.onap.org/display/DW/Step-by-step+to+generate+Papyrus+UML+model+from+XSD+file

Re: Generate output from diagram content [message #1848575 is a reply to message #1848557]

Wed, 08 December 2021 06:50

Eclipse User

> I hope this makes sense, newbie here...

If you have a use case, it make sense.

OK, nevertheless a diagram is a visualization of typically a part of a model. Because a diagram is a visualization, a diagram is not very well suited as a base for a transformation.

Alternative approaches are
* group the classes to be taken into account by modeling means by
- relating these classes with an element used to be the root element of the transformation (i.e. making the classes realize an artifact and using the artifact as the root element)
- classifying the classes by a stereotype or a value of a stereotype
* if possible, make the transformation selecting the right classes. In this case you take a class as root element and the transformation computes which other classes are needed.

/pica

Re: Generate output from diagram content [message #1848602 is a reply to message #1848575]

Thu, 09 December 2021 08:17

Eclipse User

Hello,

Papyrus does not have tools to convert the UML into an other xsd format. You should certainly create you own generator using the UML API.

Best regards,
Pauline

Re: Generate output from diagram content [message #1848603 is a reply to message #1848602]

Thu, 09 December 2021 08:23

Eclipse User

> You should certainly create you own generator using the UML API.

or
* ATL (https://www.eclipse.org/atl/)
* Acceleo (https://www.eclipse.org/acceleo/)
* Xtext / Xtend (https://www.eclipse.org/Xtext/)
...

Papyrus being a member of Eclipse provides you a broad choice :-)

/Carsten

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