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.collect.Sets;
  12 import java.util.Collections;
  13 import java.util.Dictionary;
  14 import java.util.Hashtable;
  15 import java.util.Set;
  16 import org.opendaylight.controller.netconf.api.Capability;
  17 import org.opendaylight.controller.netconf.api.monitoring.CapabilityListener;
  18 import org.opendaylight.controller.netconf.api.util.NetconfConstants;
  19 import org.opendaylight.controller.netconf.mapping.api.NetconfOperation;
  20 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationService;
  21 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
  22 import org.opendaylight.controller.netconf.notifications.NetconfNotification;
  23 import org.opendaylight.controller.netconf.notifications.NetconfNotificationCollector;
  24 import org.opendaylight.controller.netconf.notifications.impl.NetconfNotificationManager;
  25 import org.opendaylight.controller.netconf.notifications.impl.ops.CreateSubscription;
  26 import org.opendaylight.controller.netconf.notifications.impl.ops.Get;
  27 import org.opendaylight.controller.netconf.util.capability.BasicCapability;
  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             private final Set<Capability> capabilities = Collections.<Capability>singleton(new BasicCapability(NetconfNotification.NOTIFICATION_NAMESPACE));
  46
  47             @Override
  48             public Set<Capability> getCapabilities() {
  49                 return capabilities;
  50             }
  51
  52             @Override
  53             public AutoCloseable registerCapabilityListener(final CapabilityListener listener) {
  54                 listener.onCapabilitiesAdded(capabilities);
  55                 return new AutoCloseable() {
  56                     @Override
  57                     public void close() {
  58                         listener.onCapabilitiesRemoved(capabilities);
  59                     }
  60                 };
  61             }
  62
  63             @Override
  64             public NetconfOperationService createService(final String netconfSessionIdForReporting) {
  65                 return new NetconfOperationService() {
  66
  67                     private final CreateSubscription createSubscription = new CreateSubscription(netconfSessionIdForReporting, netconfNotificationManager);
  68
  69
  70                     @Override
  71                     public Set<NetconfOperation> getNetconfOperations() {
  72                         return Sets.<NetconfOperation>newHashSet(
  73                                 new Get(netconfSessionIdForReporting, netconfNotificationManager),
  74                                 createSubscription);
  75                     }
  76
  77                     @Override
  78                     public void close() {
  79                         createSubscription.close();
  80                     }
  81                 };
  82             }
  83         };
  84
  85         final Dictionary<String, String> properties = new Hashtable<>();
  86         properties.put(NetconfConstants.SERVICE_NAME, NetconfConstants.NETCONF_MONITORING);
  87         operationaServiceRegistration = context.registerService(NetconfOperationServiceFactory.class, netconfOperationServiceFactory, properties);
  88
  89     }
  90
  91     @Override
  92     public void stop(final BundleContext context) throws Exception {
  93         if(netconfNotificationCollectorServiceRegistration != null) {
  94             netconfNotificationCollectorServiceRegistration.unregister();
  95             netconfNotificationCollectorServiceRegistration = null;
  96         }
  97         if (netconfNotificationManager != null) {
  98             netconfNotificationManager.close();
  99         }
 100         if (operationaServiceRegistration != null) {
 101             operationaServiceRegistration.unregister();
 102             operationaServiceRegistration = null;
 103         }
 104     }
 105 }