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
9 package org.opendaylight.bgpcep.bgp.topology.provider.config;
11 import java.util.HashMap;
13 import org.opendaylight.bgpcep.bgp.topology.provider.AbstractTopologyBuilder;
14 import org.opendaylight.bgpcep.bgp.topology.provider.spi.BgpTopologyDeployer;
15 import org.opendaylight.bgpcep.bgp.topology.provider.spi.BgpTopologyProvider;
16 import org.opendaylight.bgpcep.bgp.topology.provider.spi.TopologyReferenceSingletonService;
17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
18 import org.opendaylight.protocol.bgp.rib.DefaultRibReference;
19 import org.opendaylight.protocol.bgp.rib.RibReference;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.BgpRib;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.Rib;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.RibKey;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp.topology.config.rev180329.Topology1;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp.topology.types.rev160524.TopologyTypes1;
25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.TopologyTypes;
28 import org.opendaylight.yangtools.concepts.AbstractRegistration;
29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
33 abstract class AbstractBgpTopologyProvider implements BgpTopologyProvider, AutoCloseable {
35 private static final Logger LOG = LoggerFactory.getLogger(AbstractBgpTopologyProvider.class);
37 private final Map<TopologyId, TopologyReferenceSingletonService> topologyBuilders = new HashMap<>();
38 private final AbstractRegistration registration;
39 private final DataBroker dataBroker;
40 private final BgpTopologyDeployer deployer;
42 AbstractBgpTopologyProvider(final BgpTopologyDeployer deployer) {
43 this.deployer = deployer;
44 this.registration = deployer.registerTopologyProvider(this);
45 this.dataBroker = deployer.getDataBroker();
49 public final void onTopologyBuilderCreated(final Topology topology) {
50 LOG.debug("Cretaing topology builder instance {}", topology);
51 final TopologyReferenceSingletonService currentInstance = this.topologyBuilders.get(topology.getTopologyId());
52 if (currentInstance == null || !currentInstance.getConfiguration().equals(topology)) {
53 final TopologyReferenceSingletonService topologyBuilder = createInstance(topology);
54 this.topologyBuilders.put(topology.getTopologyId(), topologyBuilder);
55 LOG.debug("Topology builder instance created {}", topologyBuilder);
60 public final void onTopologyBuilderRemoved(final Topology topology) {
61 LOG.debug("Removing topology builder instance {}", topology);
62 final TopologyReferenceSingletonService topologyBuilder =
63 this.topologyBuilders.remove(topology.getTopologyId());
64 if (topologyBuilder != null) {
65 topologyBuilder.close();
66 LOG.debug("Topology builder instance removed {}", topologyBuilder);
72 this.registration.close();
75 private TopologyReferenceSingletonService createInstance(final Topology topology) {
76 final RibReference ribReference = new DefaultRibReference(InstanceIdentifier.create(BgpRib.class)
77 .child(Rib.class, new RibKey(topology.getAugmentation(Topology1.class).getRibId())));
78 final AbstractTopologyBuilder<?> topologyBuilder = createTopologyBuilder(this.dataBroker,
79 ribReference, topology.getTopologyId());
80 return new TopologyReferenceSingletonServiceImpl(topologyBuilder, this.deployer, topology);
83 abstract AbstractTopologyBuilder<?> createTopologyBuilder(DataBroker dataProvider, RibReference locRibReference,
84 TopologyId topologyId);
86 final TopologyTypes1 getTopologyAug(final Topology topology) {
87 final TopologyTypes topologyTypes = topology.getTopologyTypes();
88 if (topologyTypes == null) {
92 return topologyTypes.getAugmentation(TopologyTypes1.class);