Description Jessy Mallet 2018-05-24 12:02:16 EDT

By using "Reconnect" tool (defined in simple VSM) on diagram, the source edge creation variable is modified (particularly subVariables relation.
This behavior has been observe by calling a preCommitListener using EditinDomain.isReadOnly (Resource). 

VSM should be considered as immutable.

This is the Sirius code which modify the relation subVariables.

@Override
public void execute() throws MetaClassNotFoundException, FeatureNotFoundException {
   // We declare the OtherEndVariable as a subVariable of
   // SourceView
   tool.getSourceView().getSubVariables().add(otherEndVariable);
   variables.put(otherEndVariable, otherEndValue);
}