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 org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
11 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
12 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
14 import org.slf4j.Logger;
15 import org.slf4j.LoggerFactory;
16 import org.opendaylight.yangtools.yang.binding.DataObject;
17 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
18 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
22 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
23 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
25 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
26 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
27 import org.opendaylight.yangtools.concepts.ListenerRegistration;
29 public abstract class DataChangeListenerImpl implements DataChangeListener, AutoCloseable {
31 private final static Logger LOG = LoggerFactory.getLogger(DataChangeListenerImpl.class);
32 protected final ListenerRegistration<DataChangeListener> dataChangeListenerRegistration;
33 protected OperationProcessor operationProcessor;
36 * instance identifier to Node in network topology model (yangtools)
38 protected static final InstanceIdentifier<Topology> II_TO_TOPOLOGY =
40 .builder(NetworkTopology.class)
41 .child(Topology.class, new TopologyKey(new TopologyId(FlowCapableTopologyProvider.TOPOLOGY_ID)))
48 public DataChangeListenerImpl(final OperationProcessor operationProcessor, final DataBroker dataBroker,
49 final InstanceIdentifier<?> ii) {
50 dataChangeListenerRegistration = dataBroker.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL, ii,
51 this, AsyncDataBroker.DataChangeScope.BASE);
52 this.operationProcessor = operationProcessor;
56 public void close() throws Exception {
57 dataChangeListenerRegistration.close();
60 protected <T extends DataObject> void sendToTransactionChain(final T node,
61 final InstanceIdentifier<T> iiToTopologyNode) {
62 operationProcessor.enqueueOperation(new TopologyOperation() {
65 public void applyOperation(ReadWriteTransaction transaction) {
66 transaction.merge(LogicalDatastoreType.OPERATIONAL, iiToTopologyNode, node, true);
71 protected InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node> provideIIToTopologyNode(
72 final NodeId nodeIdInTopology) {
73 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey nodeKeyInTopology = new org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey(
77 .child(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node.class,
78 nodeKeyInTopology).build();
81 protected NodeId provideTopologyNodeId(InstanceIdentifier<?> iiToNodeInInventory) {
82 final NodeKey inventoryNodeKey = iiToNodeInInventory.firstKeyOf(Node.class, NodeKey.class);
83 if (inventoryNodeKey != null) {
84 return new NodeId(inventoryNodeKey.getId().getValue());