2 * Copyright (c) 2014 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.sal.compatibility.topology;
10 import static org.opendaylight.controller.sal.compatibility.topology.TopologyMapping.toAdEdge;
11 import static org.opendaylight.controller.sal.compatibility.topology.TopologyMapping.toTopoEdgeUpdate;
13 import java.util.Map.Entry;
14 import java.util.concurrent.CopyOnWriteArrayList;
16 import org.opendaylight.controller.md.sal.binding.util.TypeSafeDataReader;
17 import org.opendaylight.controller.md.sal.common.api.data.DataChangeEvent;
18 import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
19 import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
20 import org.opendaylight.controller.sal.core.UpdateType;
21 import org.opendaylight.controller.sal.topology.IPluginOutTopologyService;
22 import org.opendaylight.controller.sal.topology.TopoEdgeUpdate;
23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
28 import org.opendaylight.yangtools.yang.binding.DataObject;
29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
33 public class TopologyCommitHandler implements DataChangeListener {
34 private static final Logger LOG = LoggerFactory.getLogger(TopologyCommitHandler.class);
36 private IPluginOutTopologyService topologyPublisher;
38 private final DataProviderService dataService;
40 public TopologyCommitHandler(final DataProviderService dataService, final IPluginOutTopologyService topologyPub) {
41 this.topologyPublisher = topologyPub;
42 this.dataService = dataService;
46 public void onDataChanged(final DataChangeEvent<InstanceIdentifier<?>, DataObject> modification) {
47 CopyOnWriteArrayList<TopoEdgeUpdate> msg = new CopyOnWriteArrayList<TopoEdgeUpdate>();
49 TypeSafeDataReader reader = TypeSafeDataReader.forReader(dataService);
50 InstanceIdentifier<Topology> topologyPath = InstanceIdentifier.builder(NetworkTopology.class)
51 .child(Topology.class, new TopologyKey(new TopologyId("flow:1"))).build();
52 Topology topology = reader.readOperationalData(topologyPath);
54 for (Entry<InstanceIdentifier<? extends DataObject>, DataObject> entry : modification
55 .getCreatedOperationalData().entrySet()) {
56 if (entry.getValue() instanceof Link
57 && modification.getCreatedOperationalData().containsKey(entry.getKey())) {
58 msg.add(toTopoEdgeUpdate(toAdEdge((Link) entry.getValue(), topology), UpdateType.ADDED, reader));
62 for (Entry<InstanceIdentifier<? extends DataObject>, DataObject> entry : modification
63 .getUpdatedOperationalData().entrySet()) {
64 if (entry.getValue() instanceof Link) {
65 msg.add(toTopoEdgeUpdate(toAdEdge((Link) entry.getValue(), topology), UpdateType.CHANGED, reader));
68 for (InstanceIdentifier<? extends DataObject> path : modification.getRemovedOperationalData()) {
69 if (path.getTargetType() == Link.class) {
70 Link link = (Link) modification.getOriginalOperationalData().get(path);
71 msg.add(toTopoEdgeUpdate(toAdEdge(link, topology), UpdateType.REMOVED, reader));
76 if (topologyPublisher != null && msg != null && !msg.isEmpty()) {
77 topologyPublisher.edgeUpdate(msg);
80 } catch (Exception e) {
81 LOG.error("Exception caught", e);
85 protected IPluginOutTopologyService getTopologyPublisher() {
86 return topologyPublisher;
89 protected void setTopologyPublisher(final IPluginOutTopologyService topologyPublisher) {
90 this.topologyPublisher = topologyPublisher;