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Question about edges [message #1809452]

Tue, 16 July 2019 10:57

Fabian Müller

Messages: 1
Registered: July 2019

Junior Member

Hello,

I have a question about edges in a diagram.
In my Services class I have a method that takes 2 of my EObject classes (i.e. self and a target) and returns a boolean.

How can I use this method to create an edge between these two nodes if the function returns true?
I tried creating a relational based edge and setting Source and Target mapping accordingly, but how can I write the Target Finder Expression to use source/target as second argument for the method,
e.g. something like aql:self.methodName(target)=true ?

Best regards

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Re: Question about edges [message #1809516 is a reply to message #1809452]

Wed, 17 July 2019 09:09

Julien Dupont

Messages: 172
Registered: July 2009

Senior Member

Hello Fabian,

What exactly do you want to do?
Do you want your service create your edge or do you want this service to only enable the edge creation tool?
If you want only verify if the condition is true (return by the service) and apply your creation tool you can call the service in the "Connection Complete Precondition" of the tool creation.

Regards,

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