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Question about edges [message #1809452] Tue, 16 July 2019 10:57 Go to next message
Fabian Müller is currently offline Fabian MüllerFriend
Messages: 1
Registered: July 2019
Junior Member

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
Re: Question about edges [message #1809516 is a reply to message #1809452] Wed, 17 July 2019 09:09 Go to previous message
Julien Dupont is currently offline Julien DupontFriend
Messages: 160
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.

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