[great-users] problem exporting metamodel from GME to GReAT transformation using MetaGME2UMT Interpreter

Kevin Smyth kevin.m.smyth at gmail.com
Wed Dec 14 12:04:19 CST 2016


Hi Robert,

Thank you for the detailed bug report.

Please try this installer and see if it fixes your issue:
http://repo.isis.vanderbilt.edu/GReAT/GReAT_setup.exe

Note you'll need to uninstall your current GReAT before you install this.

Thanks,
Kevin

On Thu, Dec 1, 2016 at 4:21 AM, Mansk, Robert <
robert.mansk at ils.uni-stuttgart.de> wrote:

> Hello everybody,
>
>
>
> We got a problem when exporting a metamodel from GME to a GReAT
> transformation, using the *MetaGME2UMT *Interpreter.
>
>
>
> For future work we would like to work with Set Inheritance. Sets should
> contain other sets. Furthermore we want to define Sets with different
> attributes which again should contain other sets. This shall be realized
> using set inheritance. A parent set can contain itself. This property is
> handed on to different sets via Inheritance. Each of them might again hand
> on their respective attributes to other Sets. During the export of such a
> metamodel to a GReAT transformation an error occurs, as sometimes
> Associations within the corresponding class diagram of the transformation
> are missing.
>
>
>
> A short example. I created a metamodel *DSL_SetInheritance *(see zip-file
> in given link at bottom, which among others contains this description with
> some helpful diagrams). This metamodel defines a Parent Set which inherits
> the properties of an abstract set (FCO element) which is furthermore an
> element of the Parent Set. (Another option is to create a Set which
> contains itself via a Connection element. This case is represented in the
> metamodel *DSL_SetInheritance_v2*. The problem remains the same)
>
>
>
> Now more Sets are defined which inherit the properties of the parent Set.
> This Inheritance continues for various stages (e.g. Set R inherits
> properties of Set A which inherits properties of Set X which inherits
> properties of parent Set). When exporting this metamodell using the
> MetaGME2UML Interpreter in a given UMT paradigm (00000_TRAFO_SetInheritanceTest.mga)
> sometimes no Association between Set and Abstract Set is created within the
> corresponding class diagram of the transformation.
>
>
>
> Furthermore the interpreter should define a sName and mName within the
> general preferences of the parent set (metamodel). When they are defined,
> the Association within the transformation class diagram is created.
> Otherwise it isn’t. Manually adding a sName or mName in the metamodel
> doesn’t have any effect on the class diagram in the transformation.
>
>
>
> I was trying various things to reproduce this error, but couldn’t find any
> regularity for it to occur.
>
>
>
> During compilation with visual studio of the code (created with GReAT
> Master Interpreter) an error occurs, as the Association between the parent
> Set and Abstract Set is missing.
>
> It is possible though to manually create the missing Association between
> the Parent Set and the Abstract Set. Then the transformation can be
> compiled successfully and works as it’s supposed to.
>
>
>
> It would be great if you could tell me why this error occurs and how to
> avoid this problem. This really would help us a lot.
>
> Thanks in advance!
>
>
>
> Best regards
>
> Robert
>
>
>
> p.s.:
>
> The following link contains the metamodels *DSL_SetInheritance *and *DSL_SetInheritance_v2
> *of the given example. Furthermore the transformation which contains an
> edited and an unchanged version of the metamodel is given for both cases.
> The differences can be seen within the “SetInheritance” class diagrams.
>
>
>
> https://dav.bastie.org/index.php/s/XqZBkEtvktnzxsE (password:
> SetInheritanceProblem)
>
>
>
>
>
> ---
>
>
>
> Robert Mansk, M.Sc.
>
>
>
> Institut für Luftfahrtsysteme
>
> Universität Stuttgart
>
> Pfaffenwaldring 27
>
> 70569 Stuttgart
>
>
>
> Tel: +49-(0)711-685-69535 <+49%20711%2068569535>
>
> robert.mansk at ils.uni-stuttgart.de
>
> www.ils.uni-stuttgart.de
>
>
>
> _______________________________________________
> great-users mailing list
> great-users at list.isis.vanderbilt.edu
> http://list.isis.vanderbilt.edu/cgi-bin/mailman/listinfo/great-users
>
>
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