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If the corresponding features (containment/child features for TypeLinkModelFacet and metaFeature for the FeatureModelFacet) do not have enough capacity to hold a new element, the command that starts the link should not be executable to give the user visual feedback (i.e., the "No" cursor) that the link cannot be created irrespective of the target.
Created attachment 42778 [details] Fixes the subj
Created attachment 42844 [details] Fixes the subj Same as before, but returns null instead of an unexecutable command if cannot start a link (otherwise, the mouse cursor does not visually indicate the fact that the link cannot be started)
Tests?
Tests were contributed as part of https://bugs.eclipse.org/bugs/show_bug.cgi?id=160225
The patch and the tests are in the code base, so I am closing this one.
[GMF Restructure] Bug 319140 : product GMF and component Generation was the original product and component for this bug