binding/mdsal-binding-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/dom/adapter/BindingDOMNotificationServiceAdapter.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 package org.opendaylight.mdsal.binding.dom.adapter;
   9
  10 import org.opendaylight.mdsal.binding.dom.adapter.BindingDOMAdapterBuilder.Factory;
  11
  12 import com.google.common.collect.ClassToInstanceMap;
  13 import com.google.common.collect.ImmutableSet;
  14 import java.util.Set;
  15 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  16 import org.opendaylight.controller.md.sal.dom.api.DOMNotificationService;
  17 import org.opendaylight.controller.md.sal.dom.api.DOMService;
  18 import org.opendaylight.yangtools.binding.data.codec.api.BindingNormalizedNodeSerializer;
  19 import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
  20 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  21 import org.opendaylight.yangtools.yang.binding.NotificationListener;
  22
  23 public class BindingDOMNotificationServiceAdapter implements NotificationService, AutoCloseable {
  24
  25     public static final Factory<NotificationService> BUILDER_FACTORY = new Factory<NotificationService>() {
  26
  27         @Override
  28         public BindingDOMAdapterBuilder<NotificationService> newBuilder() {
  29             return new Builder();
  30         }
  31
  32     };
  33     private final BindingNormalizedNodeSerializer codec;
  34     private final DOMNotificationService domNotifService;
  35
  36     public BindingDOMNotificationServiceAdapter(final BindingNormalizedNodeSerializer codec, final DOMNotificationService domNotifService) {
  37         this.codec = codec;
  38         this.domNotifService = domNotifService;
  39     }
  40
  41     @Override
  42     public <T extends NotificationListener> ListenerRegistration<T> registerNotificationListener(final T listener) {
  43         final BindingDOMNotificationListenerAdapter domListener = new BindingDOMNotificationListenerAdapter(codec, listener);
  44         final ListenerRegistration<BindingDOMNotificationListenerAdapter> domRegistration =
  45                 domNotifService.registerNotificationListener(domListener, domListener.getSupportedNotifications());
  46         return new ListenerRegistrationImpl<>(listener, domRegistration);
  47     }
  48
  49     @Override
  50     public void close() throws Exception {
  51
  52     }
  53
  54     private static class ListenerRegistrationImpl<T extends NotificationListener> extends AbstractListenerRegistration<T> {
  55         private final ListenerRegistration<?> listenerRegistration;
  56
  57         public ListenerRegistrationImpl(final T listener, final ListenerRegistration<?> listenerRegistration) {
  58             super(listener);
  59             this.listenerRegistration = listenerRegistration;
  60         }
  61
  62         @Override
  63         protected void removeRegistration() {
  64             listenerRegistration.close();
  65         }
  66     }
  67
  68     private static class Builder extends BindingDOMAdapterBuilder<NotificationService> {
  69
  70         @Override
  71         protected NotificationService createInstance(final BindingToNormalizedNodeCodec codec,
  72                 final ClassToInstanceMap<DOMService> delegates) {
  73             final DOMNotificationService domNotification = delegates.getInstance(DOMNotificationService.class);
  74             return new BindingDOMNotificationServiceAdapter(codec.getCodecRegistry(), domNotification);
  75         }
  76
  77         @Override
  78         public Set<? extends Class<? extends DOMService>> getRequiredDelegates() {
  79             return ImmutableSet.of(DOMNotificationService.class);
  80         }
  81     }
  82
  83     public DOMNotificationService getDomService() {
  84         return domNotifService;
  85     }
  86 }