2 * Copyright (c) 2015 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.applications.topology.manager;
10 import java.util.Collection;
11 import javax.annotation.PreDestroy;
12 import javax.inject.Inject;
13 import javax.inject.Singleton;
14 import org.apache.aries.blueprint.annotation.service.Reference;
15 import org.opendaylight.mdsal.binding.api.DataBroker;
16 import org.opendaylight.mdsal.binding.api.DataTreeModification;
17 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.topology.inventory.rev131030.InventoryNodeBuilder;
23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
25 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
26 import org.slf4j.Logger;
27 import org.slf4j.LoggerFactory;
30 public class NodeChangeListenerImpl extends DataTreeChangeListenerImpl<FlowCapableNode> {
31 private static final Logger LOG = LoggerFactory.getLogger(NodeChangeListenerImpl.class);
34 public NodeChangeListenerImpl(@Reference final DataBroker dataBroker, final OperationProcessor operationProcessor) {
35 // TODO: listener on FlowCapableNode. what if node id in Node.class is changed (it won't be caught by this
37 super(operationProcessor, dataBroker,
38 InstanceIdentifier.builder(Nodes.class).child(Node.class).augmentation(FlowCapableNode.class).build());
42 public void onDataTreeChanged(final Collection<DataTreeModification<FlowCapableNode>> modifications) {
43 for (DataTreeModification<FlowCapableNode> modification : modifications) {
44 switch (modification.getRootNode().getModificationType()) {
46 processAddedNode(modification);
48 case SUBTREE_MODIFIED:
52 processRemovedNode(modification);
55 throw new IllegalArgumentException(
56 "Unhandled modification type: {}" + modification.getRootNode().getModificationType());
67 private void processRemovedNode(final DataTreeModification<FlowCapableNode> modification) {
68 final InstanceIdentifier<FlowCapableNode> iiToNodeInInventory = modification.getRootPath().getRootIdentifier();
69 final NodeId nodeId = provideTopologyNodeId(iiToNodeInInventory);
70 final InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology
71 .rev131021.network.topology.topology.Node>
72 iiToTopologyRemovedNode = provideIIToTopologyNode(nodeId);
73 if (iiToTopologyRemovedNode != null) {
74 operationProcessor.enqueueOperation(manager -> {
75 manager.addDeleteOperationToTxChain(LogicalDatastoreType.OPERATIONAL, iiToTopologyRemovedNode);
76 TopologyManagerUtil.removeAffectedLinks(nodeId, manager, II_TO_TOPOLOGY);
79 LOG.debug("Instance identifier to inventory wasn't translated to topology while deleting node.");
83 private void processAddedNode(final DataTreeModification<FlowCapableNode> modification) {
84 final InstanceIdentifier<FlowCapableNode> iiToNodeInInventory = modification.getRootPath().getRootIdentifier();
85 final NodeId nodeIdInTopology = provideTopologyNodeId(iiToNodeInInventory);
86 if (nodeIdInTopology != null) {
87 final InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology
88 .rev131021.network.topology.topology.Node>
89 iiToTopologyNode = provideIIToTopologyNode(nodeIdInTopology);
90 sendToTransactionChain(prepareTopologyNode(nodeIdInTopology, iiToNodeInInventory), iiToTopologyNode);
92 LOG.debug("Inventory node key is null. Data can't be written to topology");
96 private static org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network
97 .topology.topology.Node prepareTopologyNode(
98 final NodeId nodeIdInTopology, final InstanceIdentifier<FlowCapableNode> iiToNodeInInventory) {
99 return new NodeBuilder()
100 .setNodeId(nodeIdInTopology)
101 .addAugmentation(new InventoryNodeBuilder()
102 .setInventoryNodeRef(new NodeRef(iiToNodeInInventory.firstIdentifierOf(Node.class)))