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Adding values to the links and summing them up [message #1075969]

Tue, 30 July 2013 08:22

abdelkader didouh
Messages: 6
Registered: May 2013

Junior Member

Dear ALL

basically i my project i need to give numerical values to the links and keep track of the added links and at the end by clicking a button (or automatically) returns the sum of the values that we gave to the links.

For example : i have nodes A B C D anD Links X,Y

and the diagram would be as follow :

A----Y----B
A----Y----C
B----X----D

i need to give the Links values like Y=2 and X=1

at the end i need to get
SY(Sum of Ys)=4
SX(Sum of Xs)= 1

can some one explain to me how to do that ? OH and the links have already an Int attribute for the values

Kind regards

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Re: Adding values to the links and summing them up [message #1096367 is a reply to message #1075969]

Wed, 28 August 2013 05:38

Ralph Gerbig
Messages: 649
Registered: November 2009

Senior Member

Hi,

are the links instance of Y and instance of X in the meta-model? If yes you can solve it by an OCL statement which looks like X.allInstances().intValue->sum(). There is also a tree iterator available if you call the EMF method to get the content of the diagram root of the semantic model. You would then walk over the model tree and check with instance of and sum the attribute values up.

Ralph

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