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diff --git a/bundles/org.simantics.objmap2/src/org/simantics/objmap/structural/rules/domain/StructuralRelatedObjectsAccessor.java b/bundles/org.simantics.objmap2/src/org/simantics/objmap/structural/rules/domain/StructuralRelatedObjectsAccessor.java
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index 000000000..c2bc6f9ee
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+++ b/bundles/org.simantics.objmap2/src/org/simantics/objmap/structural/rules/domain/StructuralRelatedObjectsAccessor.java
@@ -0,0 +1,116 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2013 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:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.objmap.structural.rules.domain;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.log4j.Logger;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.objmap.exceptions.MappingException;
+import org.simantics.objmap.graph.rules.domain.IDomainAccessor;
+import org.simantics.objmap.graph.rules.domain.MappingUtils;
+import org.simantics.objmap.structural.StructuralResource;
+
+
+public class StructuralRelatedObjectsAccessor implements IDomainAccessor<StructuralResource,Collection<StructuralResource>> {
+
+    static Logger LOGGER = Logger.getLogger("org.simantics.objmap");
+    
+	Resource relation;
+	boolean deleteExtraObjects;
+
+	public StructuralRelatedObjectsAccessor(Resource relation, boolean deleteExtraObjects) {
+        super();
+        this.relation = relation;
+        this.deleteExtraObjects = deleteExtraObjects;
+    }
+
+    @Override
+	public Collection<StructuralResource> get(ReadGraph g, StructuralResource element) throws MappingException {
+		try {
+		    LOGGER.info("        RelatedObjectsAccessor.get");
+			
+		    if (!element.isStructural())
+		    	return Collections.emptyList();
+		    
+		    // Structural instance
+		    Resource instance = StructuralUtils.getContainingInstance(element);
+		    
+		    Resource publicRelation = StructuralUtils.getPublishedRelation(g, element, relation);
+		    
+		    if (publicRelation == null)
+		      return Collections.emptyList();
+		    
+		    Collection<Resource> coll = g.getObjects(instance, publicRelation);
+			List<StructuralResource> result = new ArrayList<StructuralResource>(coll.size());
+			List<Resource> context = new ArrayList<Resource>();
+			for (int i = 0; i < element.getContext().size()-1; i++)
+				context.add(element.getContext().get(i));
+			for (Resource r : coll) {
+				if (StructuralUtils.isStructuralInstance(g, r)) {
+					result.add(new StructuralResource(g, r, context,r));
+				} else {
+					result.add(new StructuralResource(g, r, context));
+				}
+			}
+			return result;
+		} catch (DatabaseException e) {
+			throw new MappingException(e);
+		}
+	}
+	
+	@Override
+	public boolean set(WriteGraph g, StructuralResource element, Collection<StructuralResource> value)
+			throws MappingException {
+		try {
+		    LOGGER.info("        RelatedObjectsAccessor.set");
+		    
+		    if (!element.isStructural())
+		    	return false;
+		    
+		    Resource instance = StructuralUtils.getContainingInstance(element);
+		    Resource publicRelation = null;
+		    if (value.size() == 0) {
+		    	publicRelation = StructuralUtils.getPublishedRelation(g, element, relation);
+		    	if (publicRelation == null)
+		    		return false;
+		    	else {
+		    		return MappingUtils.synchronizeStatements(g, instance, publicRelation, new Resource[0], deleteExtraObjects);
+		    	}
+		    } else {
+		    	publicRelation = StructuralUtils.getOrCreatePublishedRelation(g, element, relation);
+		    	if (publicRelation == null)
+		    		throw new MappingException("Structural Resource " + element + " cannot contain structural elements, the Resource is not published.");
+			    Resource[] arr = new Resource[value.size()];
+			    int i = 0; 
+			    for (StructuralResource sr : value) {
+			    	arr[i++] = sr.getResource();
+			    }
+			    return MappingUtils.synchronizeStatements(g, instance, publicRelation, arr, deleteExtraObjects);
+		    }
+		    
+		    
+			
+		} catch (DatabaseException e) {
+			throw new MappingException(e);
+		}
+		
+	}
+
+	
+}