2 * Copyright (c) 2022 PANTHEON.tech, s.r.o. and others. All rights reserved.
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
8 package org.opendaylight.mdsal.binding.dom.adapter;
10 import static com.google.common.base.Verify.verifyNotNull;
11 import static java.util.Objects.requireNonNull;
13 import java.time.Instant;
14 import org.eclipse.jdt.annotation.NonNull;
15 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
16 import org.opendaylight.mdsal.dom.api.DOMEvent;
17 import org.opendaylight.mdsal.dom.api.DOMNotification;
18 import org.opendaylight.yangtools.yang.binding.BaseNotification;
19 import org.opendaylight.yangtools.yang.binding.EventInstantAware;
20 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
21 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
24 * Lazy serialized implementation of {@link DOMNotification} and {@link DOMEvent}.
27 * This implementation performs serialization of data, only if receiver of notification actually accessed data from
30 abstract class AbstractLazySerializedEvent<T extends BaseNotification> implements DOMNotification, DOMEvent {
31 private final @NonNull BindingNormalizedNodeSerializer codec;
32 private final @NonNull T data;
33 private final @NonNull Absolute type;
34 private final @NonNull Instant eventInstant;
36 private volatile ContainerNode domBody;
38 AbstractLazySerializedEvent(final BindingNormalizedNodeSerializer codec, final T data, final Absolute type) {
39 this.codec = requireNonNull(codec);
40 this.data = requireNonNull(data);
41 this.type = requireNonNull(type);
42 this.eventInstant = data instanceof EventInstantAware ? ((EventInstantAware) data).eventInstant()
47 public final Absolute getType() {
52 public final ContainerNode getBody() {
53 ContainerNode local = domBody;
55 domBody = local = verifyNotNull(loadBody(codec));
60 abstract @NonNull ContainerNode loadBody(@NonNull BindingNormalizedNodeSerializer codec);
63 public final Instant getEventInstant() {
67 final @NonNull T getBindingData() {