import java.util.ArrayList;
import java.util.Collection;
+import javax.xml.bind.DataBindingException;
+
import org.simantics.Simantics;
import org.simantics.db.Resource;
import org.simantics.db.WriteGraph;
Object obj = ElementUtils.getObject(e);
- if (obj instanceof Resource) {
+ if (obj instanceof Resource && graph.isInstanceOf((Resource) obj, DN.Vertex)) {
Resource res = (Resource) obj;