applications/topology-lldp-discovery/src/main/java/org/opendaylight/openflowplugin/applications/topology/lldp/LLDPActivator.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. 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.openflowplugin.applications.topology.lldp;
   9
  10 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  11 import javax.annotation.PreDestroy;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.apache.aries.blueprint.annotation.service.Reference;
  15 import org.opendaylight.mdsal.binding.api.NotificationService;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.lldp.discovery.config.rev160511.TopologyLldpDiscoveryConfig;
  17 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  18 import org.opendaylight.yangtools.yang.binding.NotificationListener;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 @Singleton
  23 public class LLDPActivator implements AutoCloseable {
  24     private static final Logger LOG = LoggerFactory.getLogger(LLDPActivator.class);
  25
  26     private static String lldpSecureKey;
  27
  28     private final ListenerRegistration<NotificationListener> lldpNotificationRegistration;
  29
  30     @SuppressFBWarnings("ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD")
  31     @Inject
  32     public LLDPActivator(@Reference NotificationService notificationService,
  33                          LLDPDiscoveryListener lldpDiscoveryListener,
  34                          TopologyLldpDiscoveryConfig topologyLldpDiscoveryConfig) {
  35         lldpSecureKey = topologyLldpDiscoveryConfig.getLldpSecureKey();
  36
  37         LOG.info("Starting LLDPActivator with lldpSecureKey: {}", lldpSecureKey);
  38
  39         lldpNotificationRegistration = notificationService.registerNotificationListener(lldpDiscoveryListener);
  40
  41         LOG.info("LLDPDiscoveryListener started.");
  42     }
  43
  44     @Override
  45     @PreDestroy
  46     public void close() {
  47         lldpNotificationRegistration.close();
  48
  49         LOG.info("LLDPDiscoveryListener stopped.");
  50     }
  51
  52     public static String getLldpSecureKey() {
  53         return lldpSecureKey;
  54     }
  55 }