2 * Copyright (c) 2016 Cisco Systems, Inc. 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.yangtools.yang.model.api;
10 import static java.util.Objects.requireNonNull;
12 import java.util.Collection;
13 import java.util.Optional;
14 import org.eclipse.jdt.annotation.NonNull;
15 import org.opendaylight.yangtools.yang.common.QName;
17 public interface NotificationNodeContainer {
19 * Return the set of notifications in this container, keyed by QName. RFC7950 specifies that
20 * {@link AugmentationSchemaNode}s, {@link GroupingDefinition}s, {@link ListSchemaNode}s and
21 * {@link ContainerSchemaNode}s can also contain {@link NotificationDefinition}s.
23 * @return set of notification nodes
25 @NonNull Collection<? extends @NonNull NotificationDefinition> getNotifications();
28 * Find a notification based on its QName. Default implementation searches the set returned by
29 * {@link #getNotifications()}.
31 * @param qname Notification QName
32 * @return Notification definition, if found
33 * @throws NullPointerException if qname is null
35 default Optional<NotificationDefinition> findNotification(final QName qname) {
36 requireNonNull(qname);
37 for (NotificationDefinition notif : getNotifications()) {
38 if (qname.equals(notif.getQName())) {
39 return Optional.of(notif);
42 return Optional.empty();