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[] Redefinition of setVisibility() function in ClassifierImpl or PackageImpl ?

Hello everybody,

I am working on the integration of emf compare with uml2 and I have encountered some problems during the undo of the unset of the visibility attribute for some UML elements. It works for a UML Port but not for a Class or a Package. 

The problem comes from the re-implementation of the setVisibility function in ClassifierImpl and PackageImpl as the re-implementations are missing two line codes that set the visibility eset flag:
boolean oldVisibilityESet = (eFlags & VISIBILITY_ESETFLAG) != 0;

Can somebody tell me why the setVisibility function from NamedElementImpl needs to be overwritten and why the two line codes are missing. 

Thank you, 
R&D Engineer
Esterel Technologies - A wholly-owned subsidiary of ANSYS, Inc.
Twins 1, 679 Av Julien Lefebvre
06270 Villeneuve Loubet

Phone : +33 4 92 02 57 85

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