opendaylight/netconf/config-netconf-connector/src/main/java/org/opendaylight/controller/netconf/confignetconfconnector/osgi/YangStoreServiceTracker.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.controller.netconf.confignetconfconnector.osgi;
  10
  11 import org.opendaylight.controller.config.yang.store.api.YangStoreService;
  12 import org.osgi.framework.BundleContext;
  13 import org.osgi.framework.ServiceReference;
  14 import org.osgi.util.tracker.ServiceTracker;
  15
  16 class YangStoreServiceTracker extends ServiceTracker<YangStoreService, YangStoreService> {
  17     private final YangStoreTrackerListener listener;
  18
  19     YangStoreServiceTracker(BundleContext context, final YangStoreTrackerListener listener) {
  20         super(context, YangStoreService.class, null);
  21         this.listener = listener;
  22     }
  23
  24     @Override
  25     public synchronized YangStoreService addingService(final ServiceReference<YangStoreService> reference) {
  26         final YangStoreService yangStoreService = super.addingService(reference);
  27         listener.onYangStoreAdded(yangStoreService);
  28         return yangStoreService;
  29     }
  30
  31     @Override
  32     public synchronized void removedService(final ServiceReference<YangStoreService> reference,
  33             final YangStoreService service) {
  34         listener.onYangStoreRemoved();
  35     }
  36
  37     static interface YangStoreTrackerListener {
  38         void onYangStoreAdded(YangStoreService yangStoreService);
  39         void onYangStoreRemoved();
  40     }
  41 }