[gme-users] RE: Antwort: RE: GReAT and ECSL

[Aditya Agrawal]

Dear Peter,

I am attaching an example model and its metamodel that can be used to
reproduce the problem. The ttt.mga file contains a model called rule
(RootFolder-->Transform-->MatlabTransform-->Rule). Rule contains a null
reference called Pattern Class. In the other folder called ecsl there is
am model called ClassDiagram with an Atom called "System".

Now you open both the Rule model and the ClassDiagram model in GME and
keep them side by side. Then you drag the System atom onto the
PatternClass null reference. An error message will be generated "Only a
Single object can be dropped on a reference for redirection". Now if you
delete the composition association on the "System" atom and try it again
it will succeed.

Thanks,
Adi 

------------------------------------------
Aditya Agrawal 
mailto:aditya.agrawal at vanderbilt.edu
http://aditya.isis.vanderbilt.edu/
Institute For Software Integrated Systems (ISIS) www.isis.vanderbilt.edu

Vanderbilt University 
2015 Terrace Place 
Nashville, TN 37203
615 322 3164


-----Original Message-----
From: Peter Volgyesi [mailto:peter.volgyesi at vanderbilt.edu] 
Sent: Wednesday, January 28, 2004 12:32 PM
To: Aditya Agrawal
Subject: Re: [gme-users] RE: Antwort: RE: GReAT and ECSL

Sorry Adi,
I don't understand how to reproduce this problem (the original mail 
describes it with "GReAT concepts", that I do not know. So, please drop 
me a simple model file (or the original one) to investigate it.
Thanks.
--
peter

Aditya Agrawal wrote:
> Dear Stephen,
> 
> This indeed is a problem in GME. I am forwarding this mail to the GME
> users mailing list so that they can look into it. 
> 
> Peter,
> Could you please look at the mail below and see what the problem is. 
> 
> Thanks,
> Adi
> 
> -----Original Message-----
> From: stephan.heck at daimlerchrysler.com
> [mailto:stephan.heck at daimlerchrysler.com] 
> Sent: Wednesday, January 28, 2004 8:39 AM
> To: Aditya Agrawal; Sandeep Neema
> Subject: Antwort: RE: GReAT and ECSL
> 
> Dear Aditya, dear Sandeep,
> 
> thank you very much for your quick answers! At the moment I am using
> your
> advice to improve my GReAT transformation rules and it is working very
> well
> until now! Thanks again!
> 
> Aditya:
> The error I got when I created a reference to an object with a self
> composition came up because I was creating the reference using a very
> circuitous (and may be wrong) way. Using your way to create the
> reference
> (which is much easier) I have no problems at all. If it is interesting
> for
> you here is how I got the error:
> I dropped a reference object from the part browser to my rule. Next I
> opened the ecsl stateflow metamodel and dragged the state- object to
the
> reference object I added to the rule before (using the uml diagram not
> the
> browser- window). After that the error message "only a single object
can
> be
> dropped on a reference" is shown. This happens with every object with
a
> self composition.
> 
> Thanks and greetings,
> 
> Stephan
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