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joining class and attribute which are in different packages [message #667641]

Sat, 30 April 2011 11:43

Teresa Lapp

Messages: 3
Registered: April 2011

Junior Member

Hi,
I have a question. I want to create an GMF-editor which consists of nodes and links. The nodes should have an additional information which is an attribute in another package. Is it possible to join the node and the attribute while they are in different packages?
Thanks in advance
Teresa

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Re: joining class and attribute which are in different packages [message #668634 is a reply to message #667641]

Fri, 06 May 2011 14:08

Teresa Lapp

Messages: 3
Registered: April 2011

Junior Member

Can anyone help me please?

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Re: joining class and attribute which are in different packages [message #668768 is a reply to message #668634]

Sat, 07 May 2011 07:55

Ed Merks

Messages: 31770
Registered: July 2009

Senior Member

Teresa,

I doubt anyone can help. I've read your question several times and I
have no idea what you're asking. What does it mean for an attribute to
be in a package? What does "joining" it with a class mean? Why do you
think this is a problem? What have you tried?

Teresa Lapp wrote:
> Can anyone help me please?

Ed Merks
Professional Support: https://www.macromodeling.com/

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Re: joining class and attribute which are in different packages [message #670007 is a reply to message #668768]

Thu, 12 May 2011 12:02

Teresa Lapp

Messages: 3
Registered: April 2011

Junior Member

I have an ecore-model with a package and some subpackages. I want to connect a class from one subpackage with a class from another subpackage, so that the second class is an additional information to the first class. The first class should be a node and the second class should be an additional information to the node.
I've tried to combine these two classes by creating the gmfgraph-, gmftool-model and so on, but it doesn't work.

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Re: joining class and attribute which are in different packages [message #670046 is a reply to message #670007]

Thu, 12 May 2011 13:27

Ed Merks

Messages: 31770
Registered: July 2009

Senior Member

Terasa,

Comments below.

Teresa Lapp wrote:
> I have an ecore-model with a package and some subpackages. I
> want to connect a class from one subpackage with a class
> from another subpackage, so that the second class is an
> additional information to the first class.
It sounds like all you need is an EReference in one EClass whose eType
is something other EClass...
> The first class
> should be a node and the second class should be an
> additional information to the node.
> I've tried to combine these two classes by creating the
> gmfgraph-, gmftool-model and so on, but it doesn't work.
I imagine there should be a connection in the model itself, i.e., some
type of EReference to relate the two things.

Ed Merks
Professional Support: https://www.macromodeling.com/

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