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 java.util.ArrayList;
  11 import java.util.List;
  12 import javax.sql.DataSource;
  13 import org.opendaylight.mdsal.binding.api.DataBroker;
  14 import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
  15 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  16 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  17 import org.opendaylight.transportpce.common.InstanceIdentifiers;
  18 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  19 import org.opendaylight.transportpce.inventory.listener.ClliNetworkChangeListener;
  20 import org.opendaylight.transportpce.inventory.listener.DeviceConfigListener;
  21 import org.opendaylight.transportpce.inventory.listener.DeviceListener;
  22 import org.opendaylight.transportpce.inventory.listener.OverlayNetworkChangeListener;
  23 import org.opendaylight.transportpce.inventory.listener.UnderlayNetworkChangeListener;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  25 import org.opendaylight.yangtools.concepts.Registration;
  26 import org.osgi.service.component.annotations.Activate;
  27 import org.osgi.service.component.annotations.Component;
  28 import org.osgi.service.component.annotations.Deactivate;
  29 import org.osgi.service.component.annotations.Reference;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 /**
  34  * {@link ListenerProvider} registers {@link DataTreeChangeListener} for each network layer.
  35  */
  36 @Component
  37 public class ListenerProvider {
  38
  39     private static final Logger LOG = LoggerFactory.getLogger(ListenerProvider.class);
  40     private List<Registration> listeners = new ArrayList<>();
  41
  42     /**
  43      * Constructor invoked by blueprint injects all dependencies.
  44      *
  45      * @param dataBroker dataBroker
  46      * @param dataSource dataSource
  47      * @param deviceTransactionManager deviceTransactionManager
  48      */
  49     @Activate
  50     public ListenerProvider(@Reference DataBroker dataBroker,
  51             @Reference DataSource dataSource,
  52             @Reference DeviceTransactionManager deviceTransactionManager) {
  53
  54         LOG.debug("Registering listeners...");
  55         OverlayNetworkChangeListener overlayNetworkListener = new OverlayNetworkChangeListener();
  56         listeners.add(dataBroker.registerDataTreeChangeListener(
  57                 DataTreeIdentifier.create(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.OVERLAY_NETWORK_II),
  58                 overlayNetworkListener));
  59         LOG.info("Overlay network change listener was successfully registered");
  60         UnderlayNetworkChangeListener underlayNetworkListener = new UnderlayNetworkChangeListener();
  61         listeners.add(dataBroker.registerDataTreeChangeListener(
  62                 DataTreeIdentifier.create(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.UNDERLAY_NETWORK_II),
  63                 underlayNetworkListener));
  64         LOG.info("Underlay network change listener was successfully registered");
  65         ClliNetworkChangeListener clliNetworkChangeListener = new ClliNetworkChangeListener();
  66         listeners.add(dataBroker.registerDataTreeChangeListener(
  67                 DataTreeIdentifier.create(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.CLLI_NETWORK_II),
  68                 clliNetworkChangeListener));
  69         LOG.info("CLLI network change listener was successfully registered");
  70         INode121 inode121 = new INode121(dataSource, deviceTransactionManager);
  71         INode inode = new INode(dataSource, inode121);
  72         DeviceInventory deviceInventory = new DeviceInventory(dataSource, inode);
  73         DeviceListener deviceListener = new DeviceListener(deviceInventory);
  74         listeners.add(dataBroker.registerDataTreeChangeListener(
  75                 DataTreeIdentifier.create(LogicalDatastoreType.OPERATIONAL,
  76                 InstanceIdentifiers.NETCONF_TOPOLOGY_II.child(Node.class)), deviceListener));
  77         LOG.info("Device change listener was successfully registered");
  78         DeviceConfigListener deviceConfigListener = new DeviceConfigListener(deviceInventory);
  79         listeners.add(dataBroker.registerDataTreeChangeListener(
  80                 DataTreeIdentifier.create(LogicalDatastoreType.CONFIGURATION,
  81                 InstanceIdentifiers.NETCONF_TOPOLOGY_II.child(Node.class)), deviceConfigListener));
  82         LOG.info("Device config change listener was successfully registered");
  83     }
  84
  85     @Deactivate
  86     public void close() {
  87         listeners.forEach(lis -> lis.close());
  88         listeners.clear();
  89     }
  90 }