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 static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.annotations.VisibleForTesting;
  13 import com.google.common.collect.ClassToInstanceMap;
  14 import com.google.common.collect.ImmutableSet;
  15 import java.util.HashMap;
  16 import java.util.Set;
  17 import java.util.concurrent.Executor;
  18 import org.opendaylight.mdsal.binding.api.NotificationService;
  19 import org.opendaylight.mdsal.binding.dom.adapter.BindingDOMAdapterBuilder.Factory;
  20 import org.opendaylight.mdsal.dom.api.DOMNotificationListener;
  21 import org.opendaylight.mdsal.dom.api.DOMNotificationService;
  22 import org.opendaylight.mdsal.dom.api.DOMService;
  23 import org.opendaylight.yangtools.concepts.Registration;
  24 import org.opendaylight.yangtools.yang.binding.DataObject;
  25 import org.opendaylight.yangtools.yang.binding.Notification;
  26 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
  27
  28 @VisibleForTesting
  29 // FIXME: 10.0.0: make this class final
  30 public class BindingDOMNotificationServiceAdapter implements NotificationService {
  31     public static final Factory<NotificationService> BUILDER_FACTORY = Builder::new;
  32
  33     private final AdapterContext adapterContext;
  34     private final DOMNotificationService domNotifService;
  35
  36     public BindingDOMNotificationServiceAdapter(final AdapterContext adapterContext,
  37             final DOMNotificationService domNotifService) {
  38         this.adapterContext = requireNonNull(adapterContext);
  39         this.domNotifService = domNotifService;
  40     }
  41
  42     @Override
  43     public <N extends Notification<N> & DataObject> Registration registerListener(final Class<N> type,
  44             final Listener<N> listener, final Executor executor) {
  45         final var domListener = new BindingDOMNotificationListenerAdapter<>(adapterContext, type, listener, executor);
  46         return domNotifService.registerNotificationListener(domListener, Set.of(domListener.schemaPath()));
  47     }
  48
  49     @Override
  50     public Registration registerCompositeListener(final CompositeListener listener, final Executor executor) {
  51         final var exec = requireNonNull(executor);
  52         final var listeners = new HashMap<Absolute, DOMNotificationListener>();
  53         for (var constituent : listener.constituents()) {
  54             final var domListener = new BindingDOMNotificationListenerAdapter<>(adapterContext, constituent, exec);
  55             listeners.put(domListener.schemaPath(), domListener);
  56         }
  57
  58         return domNotifService.registerNotificationListeners(listeners);
  59     }
  60
  61     private static class Builder extends BindingDOMAdapterBuilder<NotificationService> {
  62         Builder(final AdapterContext adapterContext) {
  63             super(adapterContext);
  64         }
  65
  66         @Override
  67         protected NotificationService createInstance(final ClassToInstanceMap<DOMService<?, ?>> delegates) {
  68             return new BindingDOMNotificationServiceAdapter(adapterContext(),
  69                 delegates.getInstance(DOMNotificationService.class));
  70         }
  71
  72         @Override
  73         public Set<? extends Class<? extends DOMService<?, ?>>> getRequiredDelegates() {
  74             return ImmutableSet.of(DOMNotificationService.class);
  75         }
  76     }
  77 }