diff --git a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/annotation/view/generic/.ratings b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/annotation/view/generic/.ratings
index aed51645e78a81e9c701ee857c0936faa187bbe8..958a4eba48aaa84eeb0d6602f6b74cc9c434e49c 100644
--- a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/annotation/view/generic/.ratings
+++ b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/annotation/view/generic/.ratings
@@ -1,2 +1,2 @@
 ColumnHandle.java 8fc5f04cbb0127e5df8c7a9e3b2620502bf93716 GREEN
-GenericAnnotationView.java 0fea0eafedcf1d24ea9faa34d84f3044443f951f YELLOW
+GenericAnnotationView.java 3986c6ab6f1b5f9ec04780c3d6256e7c70b91c1d YELLOW
diff --git a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/annotation/view/generic/GenericAnnotationView.java b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/annotation/view/generic/GenericAnnotationView.java
index 0fea0eafedcf1d24ea9faa34d84f3044443f951f..3986c6ab6f1b5f9ec04780c3d6256e7c70b91c1d 100644
--- a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/annotation/view/generic/GenericAnnotationView.java
+++ b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/annotation/view/generic/GenericAnnotationView.java
@@ -17,7 +17,6 @@ package org.fortiss.tooling.base.ui.annotation.view.generic;
 
 import static org.fortiss.tooling.base.ui.annotation.editingsupport.EditingSupportFactory.createEditingSupport;
 import static org.fortiss.tooling.base.ui.annotation.labelprovider.LabelProviderFactory.createLabelProvider;
-import static org.fortiss.tooling.kernel.utils.HierarchicalNameComparator.compareByNameIdHashCode;
 
 import java.lang.reflect.Method;
 import java.util.Collection;
@@ -516,7 +515,7 @@ public class GenericAnnotationView extends AnnotationViewPartBase {
 							((AnnotationEntry)o2).getModelElement());
 				}
 
-				return compareByNameIdHashCode(o1, o2);
+				return super.compare(viewer, o1, o2);
 			}
 		});
 
diff --git a/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/util/.ratings b/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/util/.ratings
index c80414eb73c7bb927abeb138568a2ceaf4ede3db..4ed0f41a1e98d0a937b6e4fe5510668e2b71275c 100644
--- a/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/util/.ratings
+++ b/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/util/.ratings
@@ -4,7 +4,7 @@ CopyPasteUtils.java bbc5cf9c9dc03ebf8dc75d42c919fe6eb60b388e GREEN
 DataBindingUtils.java 6ae66457694227b69c13c092ef62babdd4a2a137 GREEN
 DragAndDropUtils.java 7aab91518aa12d76533a345bf6ed0be9ac7ff0e5 GREEN
 EObjectSelectionUtils.java 128cf8f96c6b9478171dff3deda662d5934f5f44 GREEN
-HierarchicalNameViewerComparator.java f9a2a8add3ea2bedfa40bcde25b35389cb2dd005 YELLOW
+HierarchicalNameViewerComparator.java 199d82e392d4e437810cc65c0fc521dab52038e0 YELLOW
 KernelUIUtils.java 46d3279ef3523b104f89a6c526109f72d36f72f2 GREEN
 ObservableUtils.java 34abfd1dfaf9c0acbb31caf1f525e7b39416c116 GREEN
 PropertiesConstantUtils.java 59b1a1e4d594bb98db3aa396f2ff6474ba405920 GREEN
diff --git a/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/util/HierarchicalNameViewerComparator.java b/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/util/HierarchicalNameViewerComparator.java
index f9a2a8add3ea2bedfa40bcde25b35389cb2dd005..199d82e392d4e437810cc65c0fc521dab52038e0 100644
--- a/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/util/HierarchicalNameViewerComparator.java
+++ b/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/util/HierarchicalNameViewerComparator.java
@@ -15,8 +15,6 @@
 +--------------------------------------------------------------------------*/
 package org.fortiss.tooling.kernel.ui.util;
 
-import static org.fortiss.tooling.kernel.utils.HierarchicalNameComparator.compareByNameIdHashCode;
-
 import java.util.Comparator;
 
 import org.eclipse.emf.ecore.EObject;
@@ -38,10 +36,6 @@ public class HierarchicalNameViewerComparator extends ViewerComparator {
 	/** {@inheritDoc} */
 	@Override
 	public int compare(Viewer viewer, Object o1, Object o2) {
-		if(o1 instanceof EObject && o2 instanceof EObject) {
-			return comp.compare((EObject)o1, (EObject)o2);
-		}
-
-		return compareByNameIdHashCode(o1, o2);
+		return comp.compare(o1, o2);
 	}
 }
diff --git a/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/utils/.ratings b/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/utils/.ratings
index 7990a229929d23267812a244de3c20aa4bb35284..e6a5f6bf92df4c26787a43b17ae64bc8f90f58d1 100644
--- a/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/utils/.ratings
+++ b/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/utils/.ratings
@@ -4,7 +4,7 @@ EMFResourceUtils.java 979d0e1f4f66a2b3e715d2da0ebef6493f547fd7 GREEN
 EcoreSerializerBase.java 0a0c2969d793d2e68094c55c8f7b0a662ef6e5d5 GREEN
 EcoreUtils.java ffb428de083b536cd06e875e75484706f2149c2a GREEN
 ExtensionPointUtils.java 7ce63242b49eb9a7cd4eaadd223f5ebce1dfd75b GREEN
-HierarchicalNameComparator.java 7bd2d55a57374134ba210852ff94956886947a32 GREEN
+HierarchicalNameComparator.java 6face1b673126701a0721af48ead2f9766c17d46 YELLOW
 IdentifierUtils.java fff43dc4e84cdd89c3ece4f5d9d89aec4b0749c2 GREEN
 JavaUtils.java 65cdadfb9137a240ad59992eacf53a15b7f20804 GREEN
 KernelModelElementUtils.java a7fa0e2596e06195634e3163b23fa376b2420920 GREEN
diff --git a/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/utils/HierarchicalNameComparator.java b/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/utils/HierarchicalNameComparator.java
index 7bd2d55a57374134ba210852ff94956886947a32..6face1b673126701a0721af48ead2f9766c17d46 100644
--- a/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/utils/HierarchicalNameComparator.java
+++ b/org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/utils/HierarchicalNameComparator.java
@@ -23,12 +23,13 @@ import org.fortiss.tooling.kernel.model.IIdLabeled;
 import org.fortiss.tooling.kernel.model.INamedElement;
 
 /**
- * Comparator whose {@link #compare(EObject, EObject)} method sorts {@link EObject} model elements
- * according to hierarchy level. Elements within one hierarchy level are sorted by name.
+ * Comparator whose {@link #compare(Object, Object)} method sorts model elements
+ * according to hierarchy level (in case they are {@link EObject}s. Elements within one hierarchy
+ * level (or non-{@link EObject}s) are sorted by name, ID, and hash code.
  * 
  * @author eder, diewald, barner
  */
-public class HierarchicalNameComparator implements java.util.Comparator<EObject> {
+public class HierarchicalNameComparator implements java.util.Comparator<Object> {
 
 	/**
 	 * Compare two {@link Object}s by
@@ -38,7 +39,7 @@ public class HierarchicalNameComparator implements java.util.Comparator<EObject>
 	 * <li>Hash code (otherwise)</li>
 	 * </ul>
 	 */
-	public static int compareByNameIdHashCode(Object o1, Object o2) {
+	private int compareByNameIdHashCode(Object o1, Object o2) {
 		// Compare elements by name if they are INamedElements
 		if(o1 instanceof INamedElement && o2 instanceof INamedElement) {
 			// Elements are at the same level -> compare by name
@@ -65,14 +66,20 @@ public class HierarchicalNameComparator implements java.util.Comparator<EObject>
 
 	/** {@inheritDoc} */
 	@Override
-	public int compare(EObject modelElement1, EObject modelElement2) {
+	public int compare(Object o1, Object o2) {
 
-		int modelElement1Level = getModelElementLevel(modelElement1);
-		int modelElement2Level = getModelElementLevel(modelElement2);
+		if(!(o1 instanceof EObject) || !(o2 instanceof EObject)) {
+			return compareByNameIdHashCode(o1, o2);
+		}
 
+		EObject modelElement1 = (EObject)o1;
+		EObject modelElement2 = (EObject)o2;
 		EObject e1 = modelElement1;
 		EObject e2 = modelElement2;
 
+		int modelElement1Level = getModelElementLevel(modelElement1);
+		int modelElement2Level = getModelElementLevel(modelElement2);
+
 		if(modelElement1Level < modelElement2Level) {
 			// Element1 is higher than element2: Get ancestor of element2 that is at the
 			// level as the element1.