inventory/src/main/java/org/opendaylight/transportpce/inventory/ListenerProvider.java

   1 /*
   2  * Copyright © 2017 AT&T 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 package org.opendaylight.transportpce.inventory;
   9
  10 import org.opendaylight.mdsal.binding.api.DataBroker;
  11 import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
  12 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  13 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  14 import org.opendaylight.transportpce.common.InstanceIdentifiers;
  15 import org.opendaylight.transportpce.inventory.listener.ClliNetworkChangeListener;
  16 import org.opendaylight.transportpce.inventory.listener.DeviceConfigListener;
  17 import org.opendaylight.transportpce.inventory.listener.DeviceListener;
  18 import org.opendaylight.transportpce.inventory.listener.OverlayNetworkChangeListener;
  19 import org.opendaylight.transportpce.inventory.listener.UnderlayNetworkChangeListener;
  20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 /**
  25  * {@link ListenerProvider} registers {@link DataTreeChangeListener} for each network layer.
  26  */
  27 public class ListenerProvider {
  28
  29     private static final Logger LOG = LoggerFactory.getLogger(ListenerProvider.class);
  30
  31     private final DataBroker dataBroker;
  32     private final OverlayNetworkChangeListener overlayNetworkListener;
  33     private final UnderlayNetworkChangeListener underlayNetworkListener;
  34     private final ClliNetworkChangeListener clliNetworkChangeListener;
  35     private final DeviceListener deviceListener;
  36     private final DeviceConfigListener deviceConfigListener;
  37
  38     /**
  39      * Constructor invoked by blueprint injects all dependencies.
  40      *
  41      * @param dataBroker dataBroker
  42      * @param overlayNetworkListener  overlay-network Listener
  43      * @param underlayNetworkListener underlay-network Listener
  44      * @param clliNetworkChangeListener clli Network change Listener
  45      * @param deviceListener device listener
  46      * @param deviceConfigListener device config listener
  47      */
  48     public ListenerProvider(DataBroker dataBroker, OverlayNetworkChangeListener overlayNetworkListener,
  49         UnderlayNetworkChangeListener underlayNetworkListener, ClliNetworkChangeListener clliNetworkChangeListener,
  50         DeviceListener deviceListener, DeviceConfigListener deviceConfigListener) {
  51
  52         this.dataBroker = dataBroker;
  53         this.overlayNetworkListener = overlayNetworkListener;
  54         this.underlayNetworkListener = underlayNetworkListener;
  55         this.clliNetworkChangeListener = clliNetworkChangeListener;
  56         this.deviceListener = deviceListener;
  57         this.deviceConfigListener = deviceConfigListener;
  58     }
  59
  60     /**
  61      * Invoked by blueprint, registers the listeners.
  62      */
  63     public void initialize() {
  64         LOG.debug("Registering listeners...");
  65         dataBroker.registerDataTreeChangeListener(
  66                 DataTreeIdentifier.create(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.OVERLAY_NETWORK_II),
  67                 overlayNetworkListener);
  68         LOG.info("Overlay network change listener was successfully registered");
  69         dataBroker.registerDataTreeChangeListener(
  70                 DataTreeIdentifier.create(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.UNDERLAY_NETWORK_II),
  71                 underlayNetworkListener);
  72         LOG.info("Underlay network change listener was successfully registered");
  73         dataBroker.registerDataTreeChangeListener(
  74                 DataTreeIdentifier.create(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.CLLI_NETWORK_II),
  75                 clliNetworkChangeListener);
  76         LOG.info("CLLI network change listener was successfully registered");
  77         dataBroker.registerDataTreeChangeListener(
  78                 DataTreeIdentifier.create(LogicalDatastoreType.OPERATIONAL,
  79                 InstanceIdentifiers.NETCONF_TOPOLOGY_II.child(Node.class)), deviceListener);
  80         LOG.info("Device change listener was successfully registered");
  81         dataBroker.registerDataTreeChangeListener(
  82                 DataTreeIdentifier.create(LogicalDatastoreType.CONFIGURATION,
  83                 InstanceIdentifiers.NETCONF_TOPOLOGY_II.child(Node.class)), deviceConfigListener);
  84         LOG.info("Device config change listener was successfully registered");
  85     }
  86
  87 }