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UML2 state machines : Transition transformation [message #103691]

Fri, 17 April 2009 04:41

Eclipse User

Hi,

I am working on transforming state machines defined by UML2.ecore
metamodel.I have no problem to manipulate states and transitions. The
problem occurs in the following helper testing if a transition outgoing
from a state is alone:

helper context UML!Transition def: isAlone() : Boolean =
let srce : self.source in srce.outgoing->size = 1 ;

or
helper context UML!Transition def: isAlone() : Boolean =
self.source.outgoing->size = 1 ;

I tried with a cast : let srce : self.source in
srce.outgoing->asSet()->size()=1

Result is always false.

Thanks for your help!
Anne-Lise

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