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Identify leaf classes [message #1062827]

Mon, 10 June 2013 20:13

Eclipse User

Hi,

I have a UML model, a hierarchy of UML classes which are connected by dependency to each other. A defined UML profile is applied on this model. In the transformation, I want to distinguish if a specific class is leaf or not. The only property that I know about each class is "clientDependency". When this property is not set, it means that the class is the root class. But I don't know how I can write the rules to specify the leaf classes. It would be great if anyone can give a clue.

Thanks,
Mahin

Re: Identify leaf classes [message #1062892 is a reply to message #1062827]

Tue, 11 June 2013 05:25

Eclipse User

If I understand correctly the leaf class will be the one that has no dependencies pointing to it right?
So then you can do a helper like this:

helper context UML!Class def:isLeaf(): Boolean =
UML!Dependency.allInstances()->select (e|e.supplier.name = self.name).isEmpty()
;

I'd recommend using the allInstances() on an attribute so you call it only once.

[Updated on: Tue, 11 June 2013 05:25] by Moderator

Re: Identify leaf classes [message #1063741 is a reply to message #1062892]

Thu, 13 June 2013 22:51

Eclipse User

Dear Javier,
Thank you very much for the hint as well.

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