+/*******************************************************************************\r
+ * Copyright (c) 2010, 2011 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.browsing.ui.model.labels;\r
+\r
+import java.util.Map;\r
+\r
+import org.simantics.browsing.ui.model.visuals.VisualsRule;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+\r
+/**\r
+ * Label rule gives a label to a node.\r
+ * @author Hannu Niemistö\r
+ */\r
+public interface LabelRule extends VisualsRule {\r
+ Map<String, String> getLabel(ReadGraph graph, Object content) throws DatabaseException;\r
+}\r