opendaylight/md-sal/sal-restconf-broker/src/main/java/org/opendaylight/controller/sal/restconf/broker/impl/NotificationServiceImpl.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.sal.restconf.broker.impl;
   9
  10 import java.util.ArrayList;
  11 import java.util.List;
  12 import java.util.Map;
  13
  14 import org.opendaylight.controller.sal.binding.api.NotificationListener;
  15 import org.opendaylight.controller.sal.binding.api.NotificationService;
  16 import org.opendaylight.controller.sal.restconf.broker.listeners.RemoteNotificationListener;
  17 import org.opendaylight.controller.sal.restconf.broker.tools.RemoteStreamTools;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.QName;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.SalRemoteService;
  20 import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
  21 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  22 import org.opendaylight.yangtools.restconf.client.api.RestconfClientContext;
  23 import org.opendaylight.yangtools.restconf.client.api.event.EventStreamInfo;
  24 import org.opendaylight.yangtools.yang.binding.Notification;
  25
  26 public class NotificationServiceImpl implements NotificationService {
  27     private final SalRemoteService salRemoteService;
  28     private final RestconfClientContext restconfClientContext;
  29
  30     public NotificationServiceImpl(RestconfClientContext restconfClienetContext){
  31         this.restconfClientContext = restconfClienetContext;
  32         this.salRemoteService = this.restconfClientContext.getRpcServiceContext(SalRemoteService.class).getRpcService();
  33     }
  34
  35     @Override
  36     public <T extends Notification> ListenerRegistration<NotificationListener<T>> registerNotificationListener(Class<T> notificationType, NotificationListener<T> listener) {
  37         //TODO implementation using sal-remote
  38         List<QName> notifications = new ArrayList<QName>();
  39         notifications.add(new QName(notificationType.toString()));
  40         String notificationStreamName = RemoteStreamTools.createNotificationStream(salRemoteService, notifications);
  41         final Map<String,EventStreamInfo> desiredEventStream = RemoteStreamTools.createEventStream(restconfClientContext, notificationStreamName);
  42         RemoteNotificationListener remoteNotificationListener = new RemoteNotificationListener(listener);
  43
  44         final ListenerRegistration<?> listenerRegistration = restconfClientContext.getEventStreamContext(desiredEventStream.get(desiredEventStream.get(notificationStreamName)))
  45                 .registerNotificationListener(remoteNotificationListener);
  46
  47         return new AbstractListenerRegistration<NotificationListener<T>>(listener) {
  48             @Override
  49             protected void removeRegistration() {
  50                 listenerRegistration.close();
  51             }
  52         };
  53     }
  54
  55     @Override
  56     public ListenerRegistration<org.opendaylight.yangtools.yang.binding.NotificationListener> registerNotificationListener(org.opendaylight.yangtools.yang.binding.NotificationListener listener) {
  57         //TODO implementation using sal-remote
  58         String notificationStreamName = RemoteStreamTools.createNotificationStream(salRemoteService, null);
  59         final Map<String,EventStreamInfo> desiredEventStream = RemoteStreamTools.createEventStream(restconfClientContext, notificationStreamName);
  60         return restconfClientContext.getEventStreamContext(desiredEventStream.get(desiredEventStream.get(notificationStreamName))).registerNotificationListener(listener);
  61     }
  62 }