test-provider/src/main/java/org/opendaylight/openflowplugin/test/OpenflowpluginTestTopologyNotification.java

   1 /*
   2  * Copyright (c) 2014, 2015 Ericsson India Global Services Pvt Ltd. 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.test;
   9
  10 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  11 import java.util.Set;
  12 import javax.annotation.PreDestroy;
  13 import javax.inject.Inject;
  14 import javax.inject.Singleton;
  15 import org.opendaylight.mdsal.binding.api.NotificationService;
  16 import org.opendaylight.mdsal.binding.api.NotificationService.CompositeListener;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkDiscovered;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkOverutilized;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkRemoved;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkUtilizationNormal;
  21 import org.opendaylight.yangtools.concepts.Registration;
  22 import org.opendaylight.yangtools.yang.binding.Notification;
  23 import org.osgi.service.component.annotations.Activate;
  24 import org.osgi.service.component.annotations.Component;
  25 import org.osgi.service.component.annotations.Deactivate;
  26 import org.osgi.service.component.annotations.Reference;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 @Singleton
  31 @Component(service = { })
  32 public final class OpenflowpluginTestTopologyNotification implements AutoCloseable {
  33     private static final Logger LOG = LoggerFactory.getLogger(OpenflowpluginTestTopologyNotification.class);
  34
  35     private final Registration reg;
  36
  37     @Activate
  38     @Inject
  39     public OpenflowpluginTestTopologyNotification(@Reference final NotificationService notificationService) {
  40         // For switch events
  41         reg = notificationService.registerCompositeListener(new CompositeListener(Set.of(
  42             new CompositeListener.Component<>(LinkDiscovered.class,
  43                 OpenflowpluginTestTopologyNotification::onNotification),
  44             new CompositeListener.Component<>(LinkOverutilized.class,
  45                 OpenflowpluginTestTopologyNotification::onNotification),
  46             new CompositeListener.Component<>(LinkRemoved.class,
  47                 OpenflowpluginTestTopologyNotification::onNotification),
  48             new CompositeListener.Component<>(LinkUtilizationNormal.class,
  49                 OpenflowpluginTestTopologyNotification::onNotification))));
  50     }
  51
  52     @Override
  53     @PreDestroy
  54     @Deactivate
  55     public void close() {
  56         reg.close();
  57     }
  58
  59     @SuppressFBWarnings("SLF4J_SIGN_ONLY_FORMAT")
  60     private static void onNotification(final Notification<?> notification) {
  61         LOG.debug("-------------------------------------------");
  62         LOG.debug("{} notification ........", notification.getClass().getSimpleName());
  63         LOG.debug("-------------------------------------------");
  64     }
  65 }