2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.md.sal.common.api.data;
10 // FIXME: After 0.6 Release of YANGTools refactor to use Path marker interface for arguments.
11 // import org.opendaylight.yangtools.concepts.Path;
14 * Reader for reading YANG subtrees based on their path.
16 * Reader is requested to return object at specified path and all it's subnodes
17 * known to the reader or null if node is not found in this reader.
19 * @param <P> Path Type
20 * @param <D> Data Type
22 public interface DataReader<P/* extends Path<P> */,D> {
25 * Reads data from Operational data store located at provided path
27 * @param path Path to data
30 D readOperationalData(P path);
32 D readConfigurationData(P path);