--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 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.scenegraph.profile;\r
+\r
+import org.simantics.scenegraph.INode;\r
+\r
+/**\r
+ * An interface for diagram profile styles for accessing scene graph nodes based\r
+ * on diagram data objects, which usually are database resources.\r
+ * \r
+ * <p>\r
+ * See {@link DataNodeConstants} for some predefined constants for accessing\r
+ * certain scene graph nodes related to a diagram.\r
+ * \r
+ * @author Antti Villberg\r
+ * @see Style\r
+ * @see INode\r
+ * @see DataNodeConstants\r
+ */\r
+public interface DataNodeMap {\r
+\r
+ INode getNode(Object data);\r
+\r
+}\r