[great-users] global variable

[Aditya Agrawal]

Attila, you were quicker with the reply than I was :)


-----------------------------------
Aditya Agrawal
Researcher
IBM T. J. Watson
mailto:aagrawa at us.ibm.com
+1 (914) 784-6068 (TL 863)


great-users-bounces at list.isis.vanderbilt.edu wrote on 04/05/2005 12:57:32 
PM:

> Global namespaces introduce model objects into the scope of each and
> every rule in a transformation.
> These model objects are neither instances of your source or target 
> metamodel. Their types are specified in a dedicated, separate class 
diagram.
> >From these global accesible objects, other model objects can be 
> traversed, whose type in turn can be part of any metamodel, such as 
> your source or target metamodel.
> Data variables, like those in ordinary programming languages, can be
> modeled with UML class attributes in GReAT. 
> This applies for global objects as well, and you can certainly set 
> their values in AttributeMapping code specifications.
> 
> HTH,
> Attila
> 
> 
> > -----Original Message-----
> > From: Gábor Bátori (IJ/ETH) [mailto:Gabor.Batori at ericsson.com] 
> > Sent: Tuesday, April 05, 2005 11:22
> > To: great-users
> > Subject: [great-users] global variable
> > 
> > 
> > Is it possible to create 'global variables' in GReat, which 
> > are accessible in the AtrributeMappings of different rules? 
> > For instance a counter which counts the sub-tree elements of 
> > a model, but the counter is not part of the source and the 
> > target meta-models.
> > 
> > Thanks in advance,
> > 
> > Gabor Batori
> > 
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> > 
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