CrossReferenceAdapter.getCrossReferenceAdapter(org.eclipse.emf.ecore.resource.ResourceSet resourceSet)
Obtains the cross-reference adapter for the specified resource set, if
necessary creating it and attaching it.
CrossReferenceAdapter.getExistingCrossReferenceAdapter(org.eclipse.emf.common.notify.Notifier notifier)
Searches the adapter list of the given Notifier for a
CrossReferenceAdapter.