Re: [henshin-dev] Excluded subtypes for nodes

[Gregor Bonifer <gregor.bonifer@xxxxxx>]

Hi Christian,

it should be possible to just add a NAC containing a rule-node mapped to 
the LHS' unit-node. This should provide a negated type constraint that 
ensures that the matched unit is not a rule.

Regards,
Gregor

Am 26.09.2011 12:00, schrieb Christian Krause:
> Hi,
> I would like to add the following feature to Node:
>
> - excludedSubTypes: EClass 0..*
>
> The meaning is that for an object to be able to be matched, it must 
> not inherit from any of the classes in this list (but of course it 
> still must implement the class specified in the "type" attribute).
>
> A concrete example: I want to define a transformation for the Henshin 
> generator model. One rule should map a "TransformationUnit" to a 
> "GenUnit". Another rule should map "Rule" to "GenRule". For the first 
> rule I need to specify somehow that the matched unit is not a rule; so 
> I need to exclude the subType "Rule" here.
>
> The required modifications to the editors and the interpreter are 
> minimal. Ok with you?
>
> Ciao,
> Christian
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