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.bgpcep.pcep.tunnel.provider;
10 import java.util.ArrayList;
11 import java.util.concurrent.ExecutionException;
12 import javax.annotation.concurrent.GuardedBy;
13 import org.opendaylight.bgpcep.topology.DefaultTopologyReference;
14 import org.opendaylight.bgpcep.topology.TopologyReference;
15 import org.opendaylight.mdsal.binding.api.DataBroker;
16 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
17 import org.opendaylight.mdsal.binding.api.WriteTransaction;
18 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev181109.TopologyTypes1;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev181109.TopologyTypes1Builder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev181109.topology.tunnel.pcep.type.TopologyTunnelPcepBuilder;
22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.TopologyTypesBuilder;
27 import org.opendaylight.yangtools.concepts.ListenerRegistration;
28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
32 public final class PCEPTunnelTopologyProvider extends DefaultTopologyReference implements AutoCloseable {
34 private static final Logger LOG = LoggerFactory.getLogger(PCEPTunnelTopologyProvider.class);
36 private final NodeChangedListener ncl;
37 private final InstanceIdentifier<Node> src;
38 private final DefaultTopologyReference ref;
39 private final DataBroker dataBroker;
40 private final TopologyId tunneltopologyId;
42 private ListenerRegistration<NodeChangedListener> reg;
44 public PCEPTunnelTopologyProvider(
45 final DataBroker dataBroker,
46 final InstanceIdentifier<Topology> pcepTopology,
47 final TopologyId pcepTopologyId,
48 final InstanceIdentifier<Topology> tunnelTopology,
49 final TopologyId tunneltopologyId) {
50 super(tunnelTopology);
51 this.dataBroker = dataBroker;
52 this.tunneltopologyId = tunneltopologyId;
53 this.ncl = new NodeChangedListener(dataBroker, pcepTopologyId, tunnelTopology);
54 this.src = pcepTopology.child(Node.class);
55 this.ref = new DefaultTopologyReference(tunnelTopology);
58 synchronized void init() {
59 final WriteTransaction tx = this.dataBroker.newWriteOnlyTransaction();
60 tx.put(LogicalDatastoreType.OPERATIONAL, getTopologyReference().getInstanceIdentifier(),
61 new TopologyBuilder().setTopologyId(this.tunneltopologyId)
62 .setTopologyTypes(new TopologyTypesBuilder()
63 .addAugmentation(TopologyTypes1.class, new TopologyTypes1Builder()
64 .setTopologyTunnelPcep(
65 new TopologyTunnelPcepBuilder().build()).build()).build())
66 .setNode(new ArrayList<>()).build(), true);
69 } catch (final InterruptedException | ExecutionException e) {
70 LOG.error("Failed to create Tunnel Topology root", e);
72 this.reg = this.ncl.getDataProvider()
73 .registerDataTreeChangeListener(DataTreeIdentifier.create(LogicalDatastoreType.OPERATIONAL, this.src),
77 public TopologyReference getTopologyReference() {
82 public synchronized void close() {
83 if (this.reg != null) {