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Link Mapping Operation [message #486618]

Fri, 18 September 2009 12:19

Eclipse User

Originally posted by: gabriele.boldrin.finantix.com

I have a connection with inside a String like source and target
references. This values are the ID of the source and target objects. How
can I create a Link Mapping?

Something like

<diagram>
<node id="A">
<node id="B">
<link name="T">
<source id="A"/> (id type: String)
<target id="B"/> (id type: String)
</link>
<diagram>

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Re: Link Mapping Operation [message #486704 is a reply to message #486618]

Fri, 18 September 2009 15:55

Artur Kronenberg

Messages: 159
Registered: August 2009

Senior Member

Gabriele,

in your .gmfmap you can specify your link mapping. You have to specify
Source Feature and Target Feature to your connection source and target
elements.

This is how it should work I think:

Source Feature: link.source:node
Target Feature: link.target:node

In your ecore of course you need to define, that a link knows about its
source and its target.

Hope that helps,

Best regards,
Artur

gabriele wrote:

> I have a connection with inside a String like source and target
> references. This values are the ID of the source and target objects. How
> can I create a Link Mapping?

> Something like

> <diagram>
> <node id="A">
> <node id="B">
> <link name="T">
> <source id="A"/> (id type: String)
> <target id="B"/> (id type: String)
> </link>
> <diagram>

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Re: Link Mapping Operation [message #486899 is a reply to message #486618]

Sun, 20 September 2009 20:19

Alex Shatalin

Messages: 141
Registered: July 2009

Senior Member

Hello gabriele,

> I have a connection with inside a String like source and target
> references. This values are the ID of the source and target objects.
> How can I create a Link Mapping?
If you'd like to store only string referenced in domain model then solution
is:
- either to create derived transient features for source/target of the link
inside domain model and implement corresponding EMF-generated get/set methods.
Idea is to determine link targets from string properties on getter invocation
and set corresponding string properties on setting derived reference value.
- or modify GMF-generated code manually.

-----------------
Alex Shatalin

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