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
9 package org.opendaylight.controller.messagebus.app.impl;
11 import java.util.List;
13 import java.util.concurrent.ConcurrentHashMap;
15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
16 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
18 import org.opendaylight.controller.mdsal.DataStore;
19 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.Node1;
20 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.Node1Builder;
21 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.TopologyTypes1;
22 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.TopologyTypes1Builder;
23 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.topology.event.source.type.TopologyEventSource;
24 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.topology.event.source.type.TopologyEventSourceBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
31 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
32 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.TopologyTypes;
33 import org.opendaylight.yangtools.concepts.ListenerRegistration;
34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
35 import org.slf4j.Logger;
36 import org.slf4j.LoggerFactory;
39 public class EventSourceTopology {
40 private static final Logger LOGGER = LoggerFactory.getLogger(EventSourceTopology.class);
42 private static final String topologyId = "EVENT-SOURCE-TOPOLOGY" ;
43 private static final TopologyKey topologyKey = new TopologyKey(new TopologyId(topologyId));
44 private static final LogicalDatastoreType datastoreType = LogicalDatastoreType.OPERATIONAL;
46 private static final InstanceIdentifier<Topology> topologyInstanceIdentifier =
47 InstanceIdentifier.create(NetworkTopology.class)
48 .child(Topology.class, topologyKey);
50 private static final InstanceIdentifier<TopologyTypes1> topologyTypeInstanceIdentifier =
51 topologyInstanceIdentifier
52 .child(TopologyTypes.class)
53 .augmentation(TopologyTypes1.class);
55 private static final InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang
56 .network.topology.rev131021.network.topology.topology.Node> eventSourceTopologyPath =
57 InstanceIdentifier.create(NetworkTopology.class)
58 .child(Topology.class)
59 .child(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang
60 .network.topology.rev131021.network.topology.topology.Node.class);
62 private final Map<DataChangeListener, ListenerRegistration<DataChangeListener>> registrations =
63 new ConcurrentHashMap<>();
65 private final DataStore dataStore;
67 public EventSourceTopology(DataStore dataStore) {
68 this.dataStore = dataStore;
71 public void mdsalReady() {
72 TopologyEventSource topologySource = new TopologyEventSourceBuilder().build();
73 TopologyTypes1 topologyTypeAugment = new TopologyTypes1Builder().setTopologyEventSource(topologySource).build();
75 dataStore.asyncPUT(datastoreType, topologyTypeInstanceIdentifier, topologyTypeAugment);
78 public void insert(Node node) {
79 String nodeId = node.getKey().getId().getValue();
80 NodeKey nodeKey = new NodeKey(new NodeId(nodeId));
81 InstanceIdentifier<Node1> topologyNodeAugment
82 = topologyInstanceIdentifier
83 .child(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang
84 .network.topology.rev131021.network.topology.topology.Node.class, nodeKey)
85 .augmentation(Node1.class);
87 Node1 nodeAgument = new Node1Builder().setEventSourceNode(node.getId()).build();
88 dataStore.asyncPUT(datastoreType, topologyNodeAugment, nodeAgument);
91 // TODO: Should we expose this functioanlity over RPC?
92 public List<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang
93 .network.topology.rev131021.network.topology.topology.Node> snapshot() {
94 Topology topology = dataStore.read(datastoreType, topologyInstanceIdentifier);
95 return topology.getNode();
98 public void registerDataChangeListener(DataChangeListener listener) {
99 ListenerRegistration<DataChangeListener> listenerRegistration = dataStore.registerDataChangeListener(datastoreType,
100 eventSourceTopologyPath,
102 DataBroker.DataChangeScope.SUBTREE);
104 registrations.put(listener, listenerRegistration);