impl/src/main/java/org/opendaylight/unimgr/impl/UniDataTreeChangeListener.java

   1 /*
   2  * Copyright (c) 2016 CableLabs and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.unimgr.impl;
  10
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  13 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.unimgr.api.UnimgrDataTreeChangeListener;
  16 import org.opendaylight.unimgr.command.UniAddCommand;
  17 import org.opendaylight.unimgr.command.UniRemoveCommand;
  18 import org.opendaylight.unimgr.command.UniUpdateCommand;
  19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  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.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  23 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 public class UniDataTreeChangeListener extends UnimgrDataTreeChangeListener<Node> {
  29
  30     private static final Logger LOG = LoggerFactory.getLogger(UniDataTreeChangeListener.class);
  31     private final ListenerRegistration<UniDataTreeChangeListener> listener;
  32
  33
  34     public UniDataTreeChangeListener(final DataBroker dataBroker) {
  35         super(dataBroker);
  36         final InstanceIdentifier<Node> uniPath = getUniTopologyPath();
  37         final DataTreeIdentifier<Node> dataTreeIid = new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, uniPath);
  38         listener = dataBroker.registerDataTreeChangeListener(dataTreeIid, this);
  39         LOG.info("UniDataTreeChangeListener created and registered");
  40     }
  41
  42     @Override
  43     public void add(final DataTreeModification<Node> newDataObject) {
  44         if (newDataObject.getRootPath() != null && newDataObject.getRootNode() != null) {
  45             LOG.info("uni node {} created", newDataObject.getRootNode().getIdentifier());
  46             final UniAddCommand uniAddCmd = new UniAddCommand(dataBroker, newDataObject);
  47             uniAddCmd.execute();
  48         }
  49     }
  50
  51     @Override
  52     public void close() throws Exception {
  53          listener.close();
  54     }
  55
  56     private InstanceIdentifier<Node> getUniTopologyPath() {
  57         final InstanceIdentifier<Node> nodePath = InstanceIdentifier
  58                                                 .create(NetworkTopology.class)
  59                                                 .child(Topology.class,
  60                                                         new TopologyKey(UnimgrConstants.UNI_TOPOLOGY_ID))
  61                                                 .child(Node.class);
  62         return nodePath;
  63     }
  64
  65     @Override
  66     public void remove(final DataTreeModification<Node> removedDataObject) {
  67         if (removedDataObject.getRootPath() != null && removedDataObject.getRootNode() != null) {
  68             LOG.info("uni node {} deleted", removedDataObject.getRootNode().getIdentifier());
  69             final UniRemoveCommand uniRemoveCmd = new UniRemoveCommand(dataBroker, removedDataObject);
  70             uniRemoveCmd.execute();
  71         }
  72     }
  73
  74     @Override
  75     public void update(final DataTreeModification<Node> modifiedDataObject) {
  76         if (modifiedDataObject.getRootPath() != null && modifiedDataObject.getRootNode() != null) {
  77             LOG.info("uni node {} created", modifiedDataObject.getRootNode().getIdentifier());
  78             final UniUpdateCommand uniUpdateCmd = new UniUpdateCommand(dataBroker, modifiedDataObject);
  79             uniUpdateCmd.execute();
  80         }
  81     }
  82
  83 }