opendaylight/netconf/netconf-notifications-impl/src/main/java/org/opendaylight/controller/netconf/notifications/impl/osgi/Activator.java

   1 /*
   2  * Copyright (c) 2015 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
   9 package org.opendaylight.controller.netconf.notifications.impl.osgi;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.collect.Sets;
  13 import java.util.Collection;
  14 import java.util.Collections;
  15 import java.util.Dictionary;
  16 import java.util.Hashtable;
  17 import java.util.Set;
  18 import org.opendaylight.controller.netconf.api.util.NetconfConstants;
  19 import org.opendaylight.controller.netconf.mapping.api.Capability;
  20 import org.opendaylight.controller.netconf.mapping.api.NetconfOperation;
  21 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationService;
  22 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
  23 import org.opendaylight.controller.netconf.notifications.NetconfNotification;
  24 import org.opendaylight.controller.netconf.notifications.NetconfNotificationCollector;
  25 import org.opendaylight.controller.netconf.notifications.impl.NetconfNotificationManager;
  26 import org.opendaylight.controller.netconf.notifications.impl.ops.CreateSubscription;
  27 import org.opendaylight.controller.netconf.notifications.impl.ops.Get;
  28 import org.osgi.framework.BundleActivator;
  29 import org.osgi.framework.BundleContext;
  30 import org.osgi.framework.ServiceRegistration;
  31
  32 public class Activator implements BundleActivator {
  33
  34     private ServiceRegistration<NetconfNotificationCollector> netconfNotificationCollectorServiceRegistration;
  35     private ServiceRegistration<NetconfOperationServiceFactory> operationaServiceRegistration;
  36     private NetconfNotificationManager netconfNotificationManager;
  37
  38     @Override
  39     public void start(final BundleContext context) throws Exception {
  40         netconfNotificationManager = new NetconfNotificationManager();
  41         netconfNotificationCollectorServiceRegistration = context.registerService(NetconfNotificationCollector.class, netconfNotificationManager, new Hashtable<String, Object>());
  42
  43         final NetconfOperationServiceFactory netconfOperationServiceFactory = new NetconfOperationServiceFactory() {
  44
  45             @Override
  46             public NetconfOperationService createService(final String netconfSessionIdForReporting) {
  47                 return new NetconfOperationService() {
  48
  49                     private final CreateSubscription createSubscription = new CreateSubscription(netconfSessionIdForReporting, netconfNotificationManager);
  50
  51                     @Override
  52                     public Set<Capability> getCapabilities() {
  53                         return Collections.<Capability>singleton(new NotificationsCapability());
  54                     }
  55
  56                     @Override
  57                     public Set<NetconfOperation> getNetconfOperations() {
  58                         return Sets.<NetconfOperation>newHashSet(
  59                                 new Get(netconfSessionIdForReporting, netconfNotificationManager),
  60                                 createSubscription);
  61                     }
  62
  63                     @Override
  64                     public void close() {
  65                         createSubscription.close();
  66                     }
  67                 };
  68             }
  69         };
  70
  71         Dictionary<String, String> properties = new Hashtable<>();
  72         properties.put(NetconfConstants.SERVICE_NAME, NetconfConstants.NETCONF_MONITORING);
  73         operationaServiceRegistration = context.registerService(NetconfOperationServiceFactory.class, netconfOperationServiceFactory, properties);
  74
  75     }
  76
  77     @Override
  78     public void stop(final BundleContext context) throws Exception {
  79         if(netconfNotificationCollectorServiceRegistration != null) {
  80             netconfNotificationCollectorServiceRegistration.unregister();
  81             netconfNotificationCollectorServiceRegistration = null;
  82         }
  83         if (netconfNotificationManager != null) {
  84             netconfNotificationManager.close();
  85         }
  86         if (operationaServiceRegistration != null) {
  87             operationaServiceRegistration.unregister();
  88             operationaServiceRegistration = null;
  89         }
  90     }
  91
  92     private class NotificationsCapability implements Capability {
  93         @Override
  94         public String getCapabilityUri() {
  95             return NetconfNotification.NOTIFICATION_NAMESPACE;
  96         }
  97
  98         @Override
  99         public Optional<String> getModuleNamespace() {
 100             return Optional.absent();
 101         }
 102
 103         @Override
 104         public Optional<String> getModuleName() {
 105             return Optional.absent();
 106         }
 107
 108         @Override
 109         public Optional<String> getRevision() {
 110             return Optional.absent();
 111         }
 112
 113         @Override
 114         public Optional<String> getCapabilitySchema() {
 115             return Optional.absent();
 116         }
 117
 118         @Override
 119         public Collection<String> getLocation() {
 120             return Collections.emptyList();
 121         }
 122     }
 123 }