2 * Copyright (c) 2015 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.netconf.messagebus.eventsources.netconf;
10 import static java.util.Objects.requireNonNull;
12 import java.util.ArrayList;
13 import java.util.List;
14 import java.util.Optional;
16 import javax.xml.transform.dom.DOMSource;
17 import org.opendaylight.mdsal.dom.api.DOMNotification;
18 import org.opendaylight.mdsal.dom.api.DOMNotificationListener;
19 import org.opendaylight.netconf.api.xml.XmlUtil;
20 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.TopicId;
21 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.EventSourceStatus;
22 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.EventSourceStatusNotification;
23 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.EventSourceStatusNotificationBuilder;
24 import org.opendaylight.yangtools.util.xml.UntrustedXML;
25 import org.opendaylight.yangtools.yang.common.QName;
26 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
27 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
28 import org.opendaylight.yangtools.yang.data.api.schema.DOMSourceAnyxmlNode;
29 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
30 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
31 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
34 import org.w3c.dom.Document;
35 import org.w3c.dom.Element;
38 * Topic registration on event-source-status-notification.
40 @Deprecated(forRemoval = true)
41 class ConnectionNotificationTopicRegistration extends NotificationTopicRegistration {
42 private static final Logger LOG = LoggerFactory.getLogger(ConnectionNotificationTopicRegistration.class);
44 public static final Absolute EVENT_SOURCE_STATUS_PATH =
45 Absolute.of(QName.create(EventSourceStatusNotification.QNAME, "event-source-status"));
46 private static final NodeIdentifier EVENT_SOURCE_STATUS_ARG = NodeIdentifier.create(
47 EventSourceStatusNotification.QNAME);
49 private final DOMNotificationListener domNotificationListener;
51 ConnectionNotificationTopicRegistration(final String sourceName,
52 final DOMNotificationListener domNotificationListener) {
53 super(NotificationSourceType.ConnectionStatusChange, sourceName,
54 EVENT_SOURCE_STATUS_PATH.lastNodeIdentifier().getNamespace().toString());
55 this.domNotificationListener = requireNonNull(domNotificationListener);
56 LOG.info("Connection notification source has been initialized.");
58 setReplaySupported(false);
64 LOG.debug("Connection notification - publish Deactive");
65 publishNotification(EventSourceStatus.Deactive);
66 notificationTopicMap.clear();
72 void activateNotificationSource() {
73 LOG.debug("Connection notification - publish Active");
74 publishNotification(EventSourceStatus.Active);
78 void deActivateNotificationSource() {
79 LOG.debug("Connection notification - publish Inactive");
80 publishNotification(EventSourceStatus.Inactive);
84 void reActivateNotificationSource() {
85 LOG.debug("Connection notification - reactivate - publish active");
86 publishNotification(EventSourceStatus.Active);
90 boolean registerNotificationTopic(final SchemaPath notificationPath, final TopicId topicId) {
91 if (!checkNotificationPath(notificationPath)) {
92 LOG.debug("Bad SchemaPath for notification try to register");
95 Set<TopicId> topicIds = getTopicsForNotification(notificationPath);
96 topicIds.add(topicId);
97 notificationTopicMap.put(notificationPath, topicIds);
102 synchronized void unRegisterNotificationTopic(final TopicId topicId) {
103 List<SchemaPath> notificationPathToRemove = new ArrayList<>();
104 for (SchemaPath notifKey : notificationTopicMap.keySet()) {
105 Set<TopicId> topicList = notificationTopicMap.get(notifKey);
106 if (topicList != null) {
107 topicList.remove(topicId);
108 if (topicList.isEmpty()) {
109 notificationPathToRemove.add(notifKey);
113 for (SchemaPath notifKey : notificationPathToRemove) {
114 notificationTopicMap.remove(notifKey);
118 private void publishNotification(final EventSourceStatus eventSourceStatus) {
120 final EventSourceStatusNotification notification = new EventSourceStatusNotificationBuilder()
121 .setStatus(eventSourceStatus).build();
122 domNotificationListener.onNotification(createNotification(notification));
125 private static DOMNotification createNotification(final EventSourceStatusNotification notification) {
126 final ContainerNode cn = Builders.containerBuilder().withNodeIdentifier(EVENT_SOURCE_STATUS_ARG)
127 .withChild(encapsulate(notification)).build();
128 DOMNotification dn = new DOMNotification() {
131 public Absolute getType() {
132 return EVENT_SOURCE_STATUS_PATH;
136 public ContainerNode getBody() {
143 private static DOMSourceAnyxmlNode encapsulate(final EventSourceStatusNotification notification) {
144 Document doc = UntrustedXML.newDocumentBuilder().newDocument();
146 final Element rootElement = XmlUtil.createElement(doc, "EventSourceStatusNotification",
147 Optional.of(EVENT_SOURCE_STATUS_ARG.getNodeType().getNamespace().toString()));
149 final Element sourceElement = doc.createElement("status");
150 sourceElement.appendChild(doc.createTextNode(notification.getStatus().name()));
151 rootElement.appendChild(sourceElement);
153 return Builders.anyXmlBuilder().withNodeIdentifier(EVENT_SOURCE_STATUS_ARG)
154 .withValue(new DOMSource(rootElement)).build();