2 * Copyright (c) 2016 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.openflowplugin.applications.frsync.dao;
10 import java.util.Optional;
11 import javax.annotation.Nonnull;
12 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
13 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
16 * Implementation of data access object for {@link FlowCapableNode}.
17 * Contains pair of snapshot and odl DAOs.
19 public class FlowCapableNodeCachedDao implements FlowCapableNodeDao {
21 private final FlowCapableNodeDao snapshotDao;
22 private final FlowCapableNodeDao odlDao;
24 public FlowCapableNodeCachedDao(FlowCapableNodeDao snapshotDao, FlowCapableNodeDao odlDao) {
25 this.snapshotDao = snapshotDao;
30 public Optional<FlowCapableNode> loadByNodeId(@Nonnull NodeId nodeId) {
31 final Optional<FlowCapableNode> node = snapshotDao.loadByNodeId(nodeId);
33 if (node.isPresent()) {
37 return odlDao.loadByNodeId(nodeId);