--- /dev/null
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. 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
+ */
+package org.opendaylight.controller.md.sal.common.api.data;
+
+// FIXME: After 0.6 Release of YANGTools refactor to use Path marker interface for arguments.
+// import org.opendaylight.yangtools.concepts.Path;
+
+public interface DataReader<P/* extends Path<P> */,D> {
+
+ /**
+ * Reads data from Operational data store located at provided path
+ *
+ * @param path Path to data
+ * @return
+ */
+ D readOperationalData(P path);
+
+ D readConfigurationData(P path);
+}