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.openflowplugin.openflow.md.core.sal;
10 import java.util.HashMap;
13 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.flow.node.SwitchFeatures;
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
15 import org.slf4j.Logger;
16 import org.slf4j.LoggerFactory;
22 public class SwitchFeaturesUtil {
24 protected static final Logger LOG = LoggerFactory.getLogger(SwitchFeaturesUtil.class);
26 private static SwitchFeaturesUtil instance = new SwitchFeaturesUtil();
27 private Map<Short, BuildSwitchFeatures> swFeaturesBuilders;
29 private SwitchFeaturesUtil() {
30 swFeaturesBuilders = new HashMap<>();
31 swFeaturesBuilders.put((short) 1, BuildSwitchCapabilitiesOF10.getInstance());
32 swFeaturesBuilders.put((short) 4, BuildSwitchCapabilitiesOF13.getInstance());
36 * Get singleton instance
40 public static SwitchFeaturesUtil getInstance() {
45 * @param features {@link org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput}
46 * @return switch features
48 public SwitchFeatures buildSwitchFeatures(GetFeaturesOutput features) {
50 if(swFeaturesBuilders.containsKey(features.getVersion()) == true) {
51 LOG.debug("map contains version {}", features.getVersion());
53 return swFeaturesBuilders.get(features.getVersion()).build(features);
54 } catch (NullPointerException e) {
55 LOG.error("error while building switch features {}", e);
59 LOG.warn("unknown version: {}", features.getVersion());