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Abstraction, mapping reference is typed OpaqueExpression and not Expression [message #628114]

Fri, 11 December 2009 08:01

Tristan Faure

Messages: 460
Registered: July 2009

Senior Member

In Eclipse UML Ecore file, the Abstraction EClass contains an Ereference named mapping typed OpaqueExpression.

In omg uml specification the Meta class Abstraction contains an attribute mapping typed Expression.

OpaqueExpression in Eclipse UML API doesn't inherits from Expression. So I don't understand why OpaqueExpression is used.

Is it normal? Why this type has been chosen ?

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Re: Abstraction, mapping reference is typed OpaqueExpression and not Expression [message #628118 is a reply to message #628114]

Mon, 14 December 2009 14:37

james bruck

Messages: 1724
Registered: July 2009

Senior Member

Hi Tristan,

You make a good point. To be honest, I'm not sure why it was implemented
this way. Could you log a defect on this so we don't loose track of this
one.
Thanks
- James.

"Tristan FAURE" <tristan.faure@atosorigin.com> wrote in message
news:hfsu93$6s6$1@build.eclipse.org...
> In Eclipse UML Ecore file, the Abstraction EClass contains an Ereference
> named mapping typed OpaqueExpression.
>
> In omg uml specification the Meta class Abstraction contains an attribute
> mapping typed Expression.
>
> OpaqueExpression in Eclipse UML API doesn't inherits from Expression. So I
> don't understand why OpaqueExpression is used.
>
> Is it normal? Why this type has been chosen ?

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