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diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/adapters/ConnectionRelationStringModifierFactory.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/adapters/ConnectionRelationStringModifierFactory.java
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+/*******************************************************************************
+ * Copyright (c) 2014 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.modeling.adapters;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.adapter.StringModifier;
+import org.simantics.db.layer0.adapter.StringModifierFactory;
+import org.simantics.db.layer0.adapter.impl.RelatedEntityNameModifier;
+import org.simantics.layer0.Layer0;
+import org.simantics.modeling.ModelingResources;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class ConnectionRelationStringModifierFactory implements StringModifierFactory {
+
+	private Resource subject;
+
+	public ConnectionRelationStringModifierFactory(Resource subject) throws DatabaseException {
+		this.subject = subject;
+	}
+
+	@Override
+	public StringModifier createModifier(ReadGraph graph, Resource relation, Resource property) throws DatabaseException {
+		Layer0 L0 = Layer0.getInstance(graph);
+
+		// Names require special care in validation and modification.
+		if (L0.HasName.equals(relation)) {
+			// Always rename all (configuration and diagram) connection relations 
+			ModelingResources MOD = ModelingResources.getInstance(graph);
+			Resource connectionRelation = graph.getPossibleObject(subject, MOD.DiagramConnectionRelationToConnectionRelation);
+			Resource subject = connectionRelation != null ? connectionRelation : this.subject;
+			return new RelatedEntityNameModifier(graph, subject, property, MOD.ConnectionRelationToDiagramConnectionRelation);
+		}
+
+		return null;
+	}
+
+}