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 java.util.concurrent.ConcurrentHashMap;
12 import javax.annotation.Nonnull;
13 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
17 * Adding cache to data access object of {@link FlowCapableNode}.
19 public class FlowCapableNodeSnapshotDao implements FlowCapableNodeDao {
21 private final ConcurrentHashMap<String, FlowCapableNode> cache = new ConcurrentHashMap<>();
23 public void updateCache(@Nonnull NodeId nodeId, Optional<FlowCapableNode> dataAfter) {
24 if (dataAfter.isPresent()) {
25 cache.put(nodeId.getValue(), dataAfter.get());
27 cache.remove(nodeId.getValue());
32 public Optional<FlowCapableNode> loadByNodeId(@Nonnull NodeId nodeId) {
33 final FlowCapableNode node = cache.get(nodeId.getValue());
34 return Optional.ofNullable(node);