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[EuGENia] attribute declarations with multiplicity expressions [message #591103]

Wed, 04 August 2010 10:01

Syed Imran

Messages: 25
Registered: January 2010
Location: Cork, Ireland

Junior Member

Hi All,

I am looking for some example in Eugenia about attribute declarations with multiplicity expressions.
For example

class workshop {
attr String[0..10] student;
attr String[*] participant;
}

I have a workshop model in which I want to specify students with their names as attributes. I do not want to specify it like.

val student [*] student.

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Re: [EuGENia] attribute declarations with multiplicity expressions [message #591120 is a reply to message #591103]

Wed, 04 August 2010 13:41

Louis Rose

Messages: 440
Registered: July 2009
Location: York, United Kingdom

Senior Member

Hi Syed,

Would it be feasible to use a compartment for the students? Something like the following code:

@gmf.node(foo="bar")
class Workshop {
@gmf.compartment(layout="list")
val Student[*] students
}

@gmf.node(label="name")
class Student {
attr String name;
}

This will allow Student nodes to be placed inside Workshops.

If this is not feasible, then it might be best to post the question on the GMF forums. Once you have a GMF editor that you're satisfied with, we may be able to extract a further annotation for EuGENia...

Cheers,
Louis.

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