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diff --git a/bundles/org.simantics.browsing.ui.graph/src/org/simantics/browsing/ui/graph/tester/HasRelatedObjectsTester.java b/bundles/org.simantics.browsing.ui.graph/src/org/simantics/browsing/ui/graph/tester/HasRelatedObjectsTester.java
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+++ b/bundles/org.simantics.browsing.ui.graph/src/org/simantics/browsing/ui/graph/tester/HasRelatedObjectsTester.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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.browsing.ui.graph.tester;
+
+import java.util.Collection;
+
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.NodeQueryManager;
+import org.simantics.browsing.ui.Tester;
+import org.simantics.browsing.ui.graph.impl.CommonKeys;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.RequestProcessor;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.utils.Container;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class HasRelatedObjectsTester implements Tester {
+
+    private Resource relation;
+
+    public HasRelatedObjectsTester(Resource relation) {
+        this.relation = relation;
+    }
+
+    public HasRelatedObjectsTester(RequestProcessor processor, final String relationUri) throws DatabaseException {
+        processor.syncRequest(new ReadRequest() {
+            @Override
+            public void run(ReadGraph graph) throws DatabaseException {
+                relation = graph.getResource(relationUri);
+            }
+        });
+    }
+
+    @Override
+    public boolean test(NodeQueryManager manager, NodeContext context) {
+        Container<Collection<Resource>> objects = manager.query(context, new CommonKeys.RelatedObjectsKey(relation));
+        return !objects.get().isEmpty();
+    }
+
+}