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diff --git a/plugins/toolsmiths/org.eclipse.papyrus.uml.m2m.qvto.tests.tools/src/org/eclipse/papyrus/uml/m2m/qvto/tests/tools/tests/UMLIgnoringIdentifiedEqualityHelper.java b/plugins/toolsmiths/org.eclipse.papyrus.uml.m2m.qvto.tests.tools/src/org/eclipse/papyrus/uml/m2m/qvto/tests/tools/tests/UMLIgnoringIdentifiedEqualityHelper.java
new file mode 100644
index 00000000000..79fbf82fb1c
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+++ b/plugins/toolsmiths/org.eclipse.papyrus.uml.m2m.qvto.tests.tools/src/org/eclipse/papyrus/uml/m2m/qvto/tests/tools/tests/UMLIgnoringIdentifiedEqualityHelper.java
@@ -0,0 +1,161 @@
+/*****************************************************************************
+ * Copyright (c) 2017 CEA LIST and others.
+ * 
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Vincent LORENZO (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
+ *   Nicolas FAUVERGUE (CEA LIST) nicolas.fauvergue@cea.fr - Initial API and implementation
+ *   
+ *****************************************************************************/
+
+package org.eclipse.papyrus.uml.m2m.qvto.tests.tools.tests;
+
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.compare.utils.EqualityHelper;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EcorePackage;
+import org.eclipse.papyrus.infra.constraints.constraints.TrueConstraint;
+import org.eclipse.uml2.uml.Comment;
+import org.eclipse.uml2.uml.ConnectorEnd;
+import org.eclipse.uml2.uml.Element;
+import org.eclipse.uml2.uml.NamedElement;
+import org.eclipse.uml2.uml.Package;
+import org.eclipse.uml2.uml.PackageImport;
+import org.eclipse.uml2.uml.Profile;
+import org.eclipse.uml2.uml.ProfileApplication;
+import org.eclipse.uml2.uml.TemplateBinding;
+import org.eclipse.uml2.uml.TemplateParameterSubstitution;
+
+import com.google.common.cache.LoadingCache;
+
+/**
+ * This allows to manage the ignoring identified objects of UML.
+ */
+public class UMLIgnoringIdentifiedEqualityHelper extends EqualityHelper {
+
+	/**
+	 * Constructor.
+	 *
+	 * @param uriCache The uris in cache.
+	 */
+	public UMLIgnoringIdentifiedEqualityHelper(final LoadingCache<EObject, URI> uriCache) {
+		super(uriCache);
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.compare.utils.EqualityHelper#matchingEObjects(org.eclipse.emf.ecore.EObject, org.eclipse.emf.ecore.EObject)
+	 */
+	@Override
+	protected boolean matchingEObjects(final EObject object1, final EObject object2) {
+		final EClass eClass1 = object1.eClass();
+		final EClass eClass2 = object2.eClass();
+
+		boolean result = false;
+		if (eClass1 == eClass2) {
+			if (object1.eIsProxy() && object2.eIsProxy()) {
+				result = super.matchingEObjects(object1, object2);
+			} else if (object1 instanceof NamedElement && object2 instanceof NamedElement) {
+				result = matchingNamedElement((NamedElement) object1, (NamedElement) object2);
+			} else if (object1 instanceof Element && object2 instanceof Element) {
+				result = matchingElement((Element) object1, (Element) object2);
+			} else if (EcorePackage.eINSTANCE == object1.eClass().getEPackage()) {
+				result = super.matchingEObjects(object1, object2);
+			} else {
+				result = super.matchingEObjects(object1, object2);
+			}
+		}
+		return result;
+	}
+
+	/**
+	 * This allows to check if two named elements are matching.
+	 * 
+	 * @param object1
+	 *            The first named element.
+	 * @param object2
+	 *            The second named element.
+	 * @return
+	 * 		{@link TrueConstraint} if the 2 named element have the same qualified name.
+	 */
+	protected boolean matchingNamedElement(final NamedElement object1, final NamedElement object2) {
+		boolean result = false;
+		final String qn1 = ((NamedElement) object1).getQualifiedName();
+		final String qn2 = ((NamedElement) object2).getQualifiedName();
+		if (null == qn1 && null == qn2) {
+			// when there is no name on a named element
+			result = matchingValues(object1.eContainer(), object2.eContainer());
+		}
+		if (null != qn1 && null != qn2) {
+			result = qn1.equals(qn2);
+		}
+		return result;
+	}
+
+	/**
+	 * This allows to check if two UML elements are matching.
+	 * 
+	 * @param object1
+	 *            The first UML element.
+	 * @param object2
+	 *            The second UML element.
+	 * @return <code>true</code> if the two UML elements are matching, <code>false</code> otherwise.
+	 * 
+	 */
+	protected boolean matchingElement(final Element object1, final Element object2) {
+		boolean result = false;
+		final EObject parent1 = object1.eContainer();
+		final EObject parent2 = object2.eContainer();
+
+		// we check owner
+		if (matchingValues(parent1, parent2)) {
+			if (object1 instanceof PackageImport && object2 instanceof PackageImport) {
+				final Package importedPackage1 = ((PackageImport) object1).getImportedPackage();
+				final Package importedPackage2 = ((PackageImport) object2).getImportedPackage();
+				result = importedPackage1.getQualifiedName().equals(importedPackage2.getQualifiedName());
+			} else if (object1 instanceof ProfileApplication && object2 instanceof ProfileApplication) {
+				final ProfileApplication prof1 = (ProfileApplication) object1;
+				final ProfileApplication prof2 = (ProfileApplication) object2;
+				final Profile p1 = prof1.getAppliedProfile();
+				final Profile p2 = prof2.getAppliedProfile();
+				final String p1Qname = p1.getQualifiedName();
+				final String p2Qname = p2.getQualifiedName();
+				if (p1Qname != null) {
+					result = p1Qname.equals(p2Qname);
+				}
+			} else if (object1 instanceof ConnectorEnd && object2 instanceof ConnectorEnd) {
+				final ConnectorEnd conn1 = (ConnectorEnd) object1;
+				final ConnectorEnd conn2 = (ConnectorEnd) object2;
+				final Element role1 = conn1.getRole();
+				final Element role2 = conn2.getRole();
+				boolean roleMatching = matchingValues(role1, role2);
+				if (roleMatching) {
+					final Element partWithPort1 = conn1.getPartWithPort();
+					final Element partWithPort2 = conn2.getPartWithPort();
+					result = matchingValues(partWithPort1, partWithPort2);
+				}
+				// }
+			} else if (object1 instanceof Comment && object2 instanceof Comment) {
+				final String body1 = ((Comment) object1).getBody();
+				final String body2 = ((Comment) object2).getBody();
+				if (body1 != null) {
+					result = body1.equals(body2);
+				}
+			} else if (object1 instanceof TemplateBinding && object2 instanceof TemplateBinding) {
+				// owner already checked
+				result = true;
+			} else if (object1 instanceof TemplateParameterSubstitution && object2 instanceof TemplateParameterSubstitution) {
+				// owner already checked
+				result = true;
+			}
+		}
+		return result;
+	}
+
+}