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Why is EClass missing from <<ModelLIbrary>>Ecore Primitive Types [message #1695224]

Tue, 12 May 2015 19:50

Paul Roubekas

Messages: 207
Registered: March 2012
Location: Chattanooga, TN USA

Senior Member

Why is EClass missing from <<ModelLIbrary>>Ecore Primitive Types? Since I am a newbie to the use of Papyrus and Ecore I am thinking my understanding may be wrong. Or maybe a bug, but I have a hard time thinking it is a bug since Papyrus is so mature.

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Re: Why is EClass missing from <<ModelLIbrary>>Ecore Primitive Types [message #1695226 is a reply to message #1695224]

Tue, 12 May 2015 20:14

Christian Damus

Messages: 1206
Registered: July 2009
Location: Canada

Senior Member

Hi, Paul,

The EClass metaclass is defined in the Ecore Metamodel. It is not a
primitive type, which in Ecore is an EDataType representing a Java type
whose features are not modeled, but rather it is a modeled metaclass,
which in Ecore is an EClass.

So, if you import the Ecore Metamodel, then you'll see EClass,
EDataType, EPackage, EModelElement, and other Ecore eclasses in it.

HTH,

Christian

On 2015-05-12 19:50:56 +0000, Paul Roubekas said:

> Why is EClass missing from <<ModelLIbrary>>Ecore Primitive Types?
> Since I am a newbie to the use of Papyrus and Ecore I am thinking my
> understanding may be wrong. Or maybe a bug, but I have a hard time
> thinking it is a bug since Papyrus is so mature.
>
>
> <image>

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Re: Why is EClass missing from <<ModelLIbrary>>Ecore Primitive Types [message #1695270 is a reply to message #1695226]

Wed, 13 May 2015 07:32

Camille Letavernier

Messages: 926
Registered: February 2011

Senior Member

Hi,

In UML, EClass is also available as a Stereotype from the Ecore Profile (Extending uml::Class). To type something with an EClass, type it with a uml::Class and stereotype this class with EClass. The Stereotype is useful only if you want to add some specific information which isn't already defined in UML (i.e. ecore-specific properties)

Camille

Camille Letavernier

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