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.controller.md.sal.binding.api.DataBroker;
  11 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  12 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.transportpce.common.InstanceIdentifiers;
  15 import org.opendaylight.transportpce.inventory.listener.ClliNetworkChangeListener;
  16 import org.opendaylight.transportpce.inventory.listener.DeviceListener;
  17 import org.opendaylight.transportpce.inventory.listener.OverlayNetworkChangeListener;
  18 import org.opendaylight.transportpce.inventory.listener.ServiceListener;
  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
  26  * network layer.
  27  *
  28  */
  29 public class ListenerProvider {
  30
  31     private static final Logger LOG = LoggerFactory.getLogger(ListenerProvider.class);
  32
  33     private final DataBroker dataBroker;
  34     private final OverlayNetworkChangeListener overlayNetworkListener;
  35     private final UnderlayNetworkChangeListener underlayNetworkListener;
  36     private final ClliNetworkChangeListener clliNetworkChangeListener;
  37     private final ServiceListener serviceListener;
  38     private final DeviceListener deviceListener;
  39
  40     /**
  41      * Constructor invoked by blueprint injects all dependencies.
  42      *
  43      * @param dataBroker the databroker
  44      * @param overlayNetworkListener the overlay network listener
  45      * @param underlayNetworkListener the underlay network listener
  46      * @param clliNetworkChangeListener the CLLI network changes listener
  47      * @param serviceListener the service listener
  48      * @param deviceListener the device listener
  49      */
  50     public ListenerProvider(DataBroker dataBroker, OverlayNetworkChangeListener overlayNetworkListener,
  51             UnderlayNetworkChangeListener underlayNetworkListener, ClliNetworkChangeListener clliNetworkChangeListener,
  52             ServiceListener serviceListener, DeviceListener deviceListener) {
  53         this.dataBroker = dataBroker;
  54         this.overlayNetworkListener = overlayNetworkListener;
  55         this.underlayNetworkListener = underlayNetworkListener;
  56         this.clliNetworkChangeListener = clliNetworkChangeListener;
  57         this.serviceListener = serviceListener;
  58         this.deviceListener = deviceListener;
  59     }
  60
  61     /**
  62      * Invoked by blueprint, registers the listeners.
  63      */
  64     public void initialize() {
  65         LOG.debug("Registering listeners...");
  66         dataBroker.registerDataTreeChangeListener(
  67                 new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.OVERLAY_NETWORK_II),
  68                 overlayNetworkListener);
  69         LOG.info("Overlay network change listener was successfully registered");
  70         dataBroker.registerDataTreeChangeListener(
  71                 new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.UNDERLAY_NETWORK_II),
  72                 underlayNetworkListener);
  73         LOG.info("Underlay network change listener was successfully registered");
  74         dataBroker.registerDataTreeChangeListener(
  75                 new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.CLLI_NETWORK_II),
  76                 clliNetworkChangeListener);
  77         LOG.info("CLLI network change listener was successfully registered");
  78         dataBroker.registerDataTreeChangeListener(
  79                 new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, ServiceListener.SERVICES_II),
  80                 serviceListener);
  81         LOG.info("Service path listener was successfully registered");
  82         dataBroker.registerDataTreeChangeListener(new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL,
  83                 InstanceIdentifiers.NETCONF_TOPOLOGY_II.child(Node.class)), deviceListener);
  84         LOG.info("Device change listener was successfully registered");
  85     }
  86
  87 }