[great-users] Change Metamodels in Great
Matthew J. Emerson
mjemerson at isis.vanderbilt.edu
Fri Dec 9 10:24:14 CST 2005
Somtimes, if the change in your MetaGME metamodel is not large, it's
easier to edit the UML metamodel inside your UMT project by hand rather
than using library update. A small percentage of the time, the library
update utility can fail and do strange things to your project, like
setting all the references in your transformion rule to refer to null,
so make a backup before using it.
--Matt
_____
From: great-users-bounces at list.isis.vanderbilt.edu
[mailto:great-users-bounces at list.isis.vanderbilt.edu] On Behalf Of
Sandeep Neema
Sent: Friday, December 09, 2005 6:06 AM
To: great-users
Subject: RE: [great-users] Change Metamodels in Great
Tobias,
Library update interpreter is your friend. Included your updated
metamodel in the transformer (alongwith the old metamodel). For sanity
rename the old metamodel to <meta name>-old before importing the updated
one. Now, run the Library Update interpreter (icon looks like an 'ear
muff'). Tell it the old metamodel name i.e. <meta name>-old, and the new
metamodel name (you just imported). It will redirect all your references
in the transformation rules to your new meta. Now you can delete the old
meta from your transformation without any lost references.
There is one quirk (not a major one), it swaps the names of two metas
(old and new) when its done. So I would carefully check before deleting
the old meta.
HTH,
Sandeep
--
Sandeep Neema
Research Scientist,
Institute of Software Integrated Systems, Vanderbilt University
Phone: 615-343-9996
Email: sandeep.k.neema at vanderbilt.edu
_____
From: great-users-bounces at list.isis.vanderbilt.edu
[mailto:great-users-bounces at list.isis.vanderbilt.edu] On Behalf Of
Tobias Welp
Sent: Friday, December 09, 2005 5:09 AM
To: great-users
Subject: [great-users] Change Metamodels in Great
Hello Great-Experts,
I'm searching for a possibility to change (add classes) my GME
meta-models after I included them into a GReAT project. Of course, it is
possible to change the project, but it hasn't any effect on the included
project in GReAT. I see the possibility to include the current
meta-model for the second time and to delete the old model, but than I
have to rewrite all the transformation rules which is unfortunately
tedious work.
Regards,
Tobias Welp
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