[gme-users] GME Metamodel update problem

[Akos Ledeczi]

This is how it works now, that is the metamodel enforces
the Baseinheritance to go to the top corner and vice versa.
This is how it used to work before the meta-meta was
inadvertently messed up before one of the GME 3 releases...

Akos


Attila Vizhanyo wrote:

>Why is the inheritance relation defined to be directed in GME?
>Since the direction is not visualized, it is very confusing for users
>to realize the difference between BaseInheritance and
>DerivedInheritance.
>
>Isn't it safe to use BaseInheritance whenever a type is connected to
>the top corner of the inheritance object, and use DerivedInheritance
>when the user connects to the bottom of the inheritance object?
>
>Thanks,
>Attila
>
>
>-----Original Message-----
>From: James R. Davis 
>Sent: Wednesday, March 17, 2004 13:18
>To: gme-users
>Subject: RE: [gme-users] GME Metamodel update problem
>
>Stephan,
>
>Your connection between the ConstantData atom and the inheritance object
>is of type BaseInheritance where it should be of type
>DerivedInheritance.  When using inheritance, always connect from the
>base type to the inheritance object and from the inheritance object to
>the derived types. 
>
>You should check the constraints on your metamodels before interpreting
>-- the constraint manager will catch errors such as these.  
>
>HTH.
>----------------- 
>James Davis, Ph.D. 
>Research Scientist 
>Institute for Software Integrated Systems,
>http://www.isis.vanderbilt.edu 
>(615) 343-7530 
>(615) 343-7440 (fax)
>james.davis at vanderbilt.edu
>
>
>-----Original Message-----
>From: stephan.heck at daimlerchrysler.com
>[mailto:stephan.heck at daimlerchrysler.com]
>Sent: Wednesday, March 17, 2004 1:04 PM
>To: gme-users
>Subject: [gme-users] GME Metamodel update problem
>
>
>
>
>
>
>Dear GME-users,
>
>I am using GME since three months now and first I want to say that GME
>is
>really a great tool!
>
>At the moment I have a weird problem with updating a small metamodel and
>I
>hope that somebody might help me:
>
>The original CTree Metamodell has got two "instances" of the DataFCO
>element ("InputData" and "OutputData"). Everything works fine with this
>metamodel.
>
>No I want to add a new ConstantData element with a
>constantValue-attribute
>at the same level as InputData and OutputData. I Think I did everything
>correctly (I also added it to the DataAspect), but I can t see the new
>ConstantData element when I create a new model. The
>constantValue-attribute
>appears as an attribute of the existing InputData and OutputData
>elements???
>
>I attached the original CTree metamodel and the modified one to this
>maiI.
>I am using GME 3.10.13 (I need GReAT).
>
>Thanks in advance for any ideas and help!
>
>Greetings
>Stephan
>
>(See attached file: CTModel_original.zip)(See attached file:
>CTModel_modified.zip)
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