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.Capability;
  19 import org.opendaylight.controller.netconf.api.monitoring.CapabilityListener;
  20 import org.opendaylight.controller.netconf.api.util.NetconfConstants;
  21 import org.opendaylight.controller.netconf.mapping.api.NetconfOperation;
  22 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationService;
  23 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
  24 import org.opendaylight.controller.netconf.notifications.NetconfNotification;
  25 import org.opendaylight.controller.netconf.notifications.NetconfNotificationCollector;
  26 import org.opendaylight.controller.netconf.notifications.impl.NetconfNotificationManager;
  27 import org.opendaylight.controller.netconf.notifications.impl.ops.CreateSubscription;
  28 import org.opendaylight.controller.netconf.notifications.impl.ops.Get;
  29 import org.osgi.framework.BundleActivator;
  30 import org.osgi.framework.BundleContext;
  31 import org.osgi.framework.ServiceRegistration;
  32
  33 public class Activator implements BundleActivator {
  34
  35     private ServiceRegistration<NetconfNotificationCollector> netconfNotificationCollectorServiceRegistration;
  36     private ServiceRegistration<NetconfOperationServiceFactory> operationaServiceRegistration;
  37     private NetconfNotificationManager netconfNotificationManager;
  38
  39     @Override
  40     public void start(final BundleContext context) throws Exception {
  41         netconfNotificationManager = new NetconfNotificationManager();
  42         netconfNotificationCollectorServiceRegistration = context.registerService(NetconfNotificationCollector.class, netconfNotificationManager, new Hashtable<String, Object>());
  43
  44         final NetconfOperationServiceFactory netconfOperationServiceFactory = new NetconfOperationServiceFactory() {
  45
  46             private final Set<Capability> capabilities = Collections.<Capability>singleton(new NotificationsCapability());
  47
  48             @Override
  49             public Set<Capability> getCapabilities() {
  50                 return capabilities;
  51             }
  52
  53             @Override
  54             public AutoCloseable registerCapabilityListener(final CapabilityListener listener) {
  55                 listener.onCapabilitiesAdded(capabilities);
  56                 return new AutoCloseable() {
  57                     @Override
  58                     public void close() {
  59                         listener.onCapabilitiesRemoved(capabilities);
  60                     }
  61                 };
  62             }
  63
  64             @Override
  65             public NetconfOperationService createService(final String netconfSessionIdForReporting) {
  66                 return new NetconfOperationService() {
  67
  68                     private final CreateSubscription createSubscription = new CreateSubscription(netconfSessionIdForReporting, netconfNotificationManager);
  69
  70
  71                     @Override
  72                     public Set<NetconfOperation> getNetconfOperations() {
  73                         return Sets.<NetconfOperation>newHashSet(
  74                                 new Get(netconfSessionIdForReporting, netconfNotificationManager),
  75                                 createSubscription);
  76                     }
  77
  78                     @Override
  79                     public void close() {
  80                         createSubscription.close();
  81                     }
  82                 };
  83             }
  84         };
  85
  86         final Dictionary<String, String> properties = new Hashtable<>();
  87         properties.put(NetconfConstants.SERVICE_NAME, NetconfConstants.NETCONF_MONITORING);
  88         operationaServiceRegistration = context.registerService(NetconfOperationServiceFactory.class, netconfOperationServiceFactory, properties);
  89
  90     }
  91
  92     @Override
  93     public void stop(final BundleContext context) throws Exception {
  94         if(netconfNotificationCollectorServiceRegistration != null) {
  95             netconfNotificationCollectorServiceRegistration.unregister();
  96             netconfNotificationCollectorServiceRegistration = null;
  97         }
  98         if (netconfNotificationManager != null) {
  99             netconfNotificationManager.close();
 100         }
 101         if (operationaServiceRegistration != null) {
 102             operationaServiceRegistration.unregister();
 103             operationaServiceRegistration = null;
 104         }
 105     }
 106
 107     private class NotificationsCapability implements Capability {
 108         @Override
 109         public String getCapabilityUri() {
 110             return NetconfNotification.NOTIFICATION_NAMESPACE;
 111         }
 112
 113         @Override
 114         public Optional<String> getModuleNamespace() {
 115             return Optional.absent();
 116         }
 117
 118         @Override
 119         public Optional<String> getModuleName() {
 120             return Optional.absent();
 121         }
 122
 123         @Override
 124         public Optional<String> getRevision() {
 125             return Optional.absent();
 126         }
 127
 128         @Override
 129         public Optional<String> getCapabilitySchema() {
 130             return Optional.absent();
 131         }
 132
 133         @Override
 134         public Collection<String> getLocation() {
 135             return Collections.emptyList();
 136         }
 137     }
 138 }