opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/osgi/NetconfOperationServiceFactoryTracker.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 package org.opendaylight.controller.netconf.impl.osgi;
   9
  10 import org.opendaylight.controller.netconf.api.util.NetconfConstants;
  11 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
  12 import org.osgi.framework.BundleContext;
  13 import org.osgi.framework.ServiceReference;
  14 import org.osgi.util.tracker.ServiceTracker;
  15
  16 class NetconfOperationServiceFactoryTracker extends
  17         ServiceTracker<NetconfOperationServiceFactory, NetconfOperationServiceFactory> {
  18     private final NetconfOperationServiceFactoryListener factoriesListener;
  19
  20     NetconfOperationServiceFactoryTracker(BundleContext context,
  21             final NetconfOperationServiceFactoryListener factoriesListener) {
  22         super(context, NetconfOperationServiceFactory.class, null);
  23         this.factoriesListener = factoriesListener;
  24     }
  25
  26     @Override
  27     public NetconfOperationServiceFactory addingService(ServiceReference<NetconfOperationServiceFactory> reference) {
  28         Object property = reference.getProperty(NetconfConstants.SERVICE_NAME);
  29         if (property != null
  30                 && (property.equals(NetconfConstants.CONFIG_NETCONF_CONNECTOR)
  31                 || property.equals(NetconfConstants.NETCONF_MONITORING))) {
  32             NetconfOperationServiceFactory netconfOperationServiceFactory = super.addingService(reference);
  33             factoriesListener.onAddNetconfOperationServiceFactory(netconfOperationServiceFactory);
  34             return netconfOperationServiceFactory;
  35         }
  36
  37         return null;
  38     }
  39
  40     @Override
  41     public void removedService(ServiceReference<NetconfOperationServiceFactory> reference,
  42             NetconfOperationServiceFactory netconfOperationServiceFactory) {
  43         if (netconfOperationServiceFactory != null)
  44             factoriesListener.onRemoveNetconfOperationServiceFactory(netconfOperationServiceFactory);
  45     }
  46
  47 }