binding/mdsal-binding-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/dom/adapter/PublisherAdapter.java

   1 /*
   2  * Copyright (c) 2022 PANTHEON.tech, s.r.o. 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 com.google.common.util.concurrent.ListenableFuture;
  11 import java.util.concurrent.TimeUnit;
  12 import org.eclipse.jdt.annotation.NonNull;
  13 import org.opendaylight.mdsal.binding.api.InstanceNotificationPublishService.Publisher;
  14 import org.opendaylight.mdsal.binding.api.InstanceNotificationSpec;
  15 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  16 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
  17 import org.opendaylight.mdsal.dom.api.DOMInstanceNotificationPublishService;
  18 import org.opendaylight.mdsal.dom.api.DOMNotification;
  19 import org.opendaylight.yangtools.yang.binding.DataObject;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  21 import org.opendaylight.yangtools.yang.binding.InstanceNotification;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
  23
  24 /**
  25  * An implementation of {@link Publisher} backed by a {@link DOMInstanceNotificationPublishService}.
  26  */
  27 final class PublisherAdapter<N extends InstanceNotification<N, P>, P extends DataObject>
  28         extends AbstractBindingAdapter<DOMInstanceNotificationPublishService> implements Publisher<N, P> {
  29     private final @NonNull Absolute notificationPath;
  30
  31     PublisherAdapter(final AdapterContext adapterContext, final DOMInstanceNotificationPublishService domPublishService,
  32             final InstanceNotificationSpec<?, ?> spec) {
  33         super(adapterContext, domPublishService);
  34         notificationPath = currentSerializer().getNotificationPath(spec);
  35     }
  36
  37     @Override
  38     public void putNotification(final InstanceIdentifier<P> path, final N notification) throws InterruptedException {
  39         final var serializer = currentSerializer();
  40         getDelegate().putNotification(toDomPath(serializer, path), toDomNotification(serializer, notification));
  41     }
  42
  43     @Override
  44     public ListenableFuture<? extends Object> offerNotification(final InstanceIdentifier<P> path,
  45             final N notification) {
  46         final var serializer = currentSerializer();
  47         return toBindingResult(getDelegate().offerNotification(toDomPath(serializer, path),
  48             toDomNotification(serializer, notification)));
  49     }
  50
  51     @Override
  52     public ListenableFuture<? extends Object> offerNotification(final InstanceIdentifier<P> path, final N notification,
  53             final long timeout,  final TimeUnit unit) throws InterruptedException {
  54         final var serializer = currentSerializer();
  55         return toBindingResult(getDelegate().offerNotification(toDomPath(serializer, path),
  56             toDomNotification(serializer, notification), timeout, unit));
  57     }
  58
  59     private static @NonNull ListenableFuture<? extends Object> toBindingResult(
  60             final @NonNull ListenableFuture<? extends Object> domResult) {
  61         return DOMInstanceNotificationPublishService.REJECTED.equals(domResult) ? REJECTED : domResult;
  62     }
  63
  64     private static @NonNull DOMDataTreeIdentifier toDomPath(final CurrentAdapterSerializer serializer,
  65             final InstanceIdentifier<?> path) {
  66         return new DOMDataTreeIdentifier(LogicalDatastoreType.OPERATIONAL, serializer.toYangInstanceIdentifier(path));
  67     }
  68
  69     private @NonNull DOMNotification toDomNotification(final CurrentAdapterSerializer serializer,
  70             final InstanceNotification<?, ?> notification) {
  71         return new LazySerializedInstanceNotification(serializer, notificationPath, notification);
  72     }
  73 }