netconf/config-netconf-connector/src/main/java/org/opendaylight/netconf/confignetconfconnector/osgi/Activator.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
   9 package org.opendaylight.netconf.confignetconfconnector.osgi;
  10
  11 import java.util.Dictionary;
  12 import java.util.Hashtable;
  13 import org.opendaylight.controller.config.facade.xml.ConfigSubsystemFacadeFactory;
  14 import org.opendaylight.netconf.api.util.NetconfConstants;
  15 import org.opendaylight.netconf.mapping.api.NetconfOperationServiceFactory;
  16 import org.osgi.framework.BundleActivator;
  17 import org.osgi.framework.BundleContext;
  18 import org.osgi.framework.ServiceReference;
  19 import org.osgi.framework.ServiceRegistration;
  20 import org.osgi.util.tracker.ServiceTracker;
  21 import org.osgi.util.tracker.ServiceTrackerCustomizer;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 public class Activator implements BundleActivator {
  26
  27     private static final Logger LOG = LoggerFactory.getLogger(Activator.class);
  28
  29     private ServiceRegistration<?> osgiRegistration;
  30
  31     @Override
  32     public void start(final BundleContext context) throws Exception {
  33         ServiceTrackerCustomizer<ConfigSubsystemFacadeFactory,
  34                 ConfigSubsystemFacadeFactory> schemaServiceTrackerCustomizer =
  35                 new ServiceTrackerCustomizer<ConfigSubsystemFacadeFactory, ConfigSubsystemFacadeFactory>() {
  36
  37             @Override
  38             public ConfigSubsystemFacadeFactory addingService(
  39                     ServiceReference<ConfigSubsystemFacadeFactory> reference) {
  40                 LOG.debug("Got addingService(SchemaContextProvider) event");
  41                 // Yang store service should not be registered multiple times
  42                 ConfigSubsystemFacadeFactory configSubsystemFacade =
  43                         reference.getBundle().getBundleContext().getService(reference);
  44                 osgiRegistration = startNetconfServiceFactory(configSubsystemFacade, context);
  45                 return configSubsystemFacade;
  46             }
  47
  48             @Override
  49             public void modifiedService(ServiceReference<ConfigSubsystemFacadeFactory> reference,
  50                                         ConfigSubsystemFacadeFactory service) {
  51                 LOG.warn("Config manager facade was modified unexpectedly");
  52             }
  53
  54             @Override
  55             public void removedService(ServiceReference<ConfigSubsystemFacadeFactory> reference,
  56                                        ConfigSubsystemFacadeFactory service) {
  57                 LOG.warn("Config manager facade was removed unexpectedly");
  58             }
  59         };
  60
  61         ServiceTracker<ConfigSubsystemFacadeFactory, ConfigSubsystemFacadeFactory> schemaContextProviderServiceTracker =
  62                 new ServiceTracker<>(context, ConfigSubsystemFacadeFactory.class, schemaServiceTrackerCustomizer);
  63         schemaContextProviderServiceTracker.open();
  64     }
  65
  66     @Override
  67     public void stop(final BundleContext bundleContext) throws Exception {
  68         if (osgiRegistration != null) {
  69             osgiRegistration.unregister();
  70         }
  71     }
  72
  73     private ServiceRegistration<NetconfOperationServiceFactory> startNetconfServiceFactory(
  74             final ConfigSubsystemFacadeFactory configSubsystemFacade, final BundleContext context) {
  75         final NetconfOperationServiceFactoryImpl netconfOperationServiceFactory =
  76                 new NetconfOperationServiceFactoryImpl(configSubsystemFacade);
  77         // Add properties to autowire with netconf-impl instance for cfg subsystem
  78         final Dictionary<String, String> properties = new Hashtable<>();
  79         properties.put(NetconfConstants.SERVICE_NAME, NetconfConstants.CONFIG_NETCONF_CONNECTOR);
  80         return context.registerService(NetconfOperationServiceFactory.class,
  81                 netconfOperationServiceFactory, properties);
  82     }
  83
  84 }