plugins/netconf-server-mdsal/src/main/java/org/opendaylight/netconf/server/mdsal/notifications/YangLibraryNotificationProducer.java

   1 /*
   2  * Copyright (c) 2020 Pantheon Technologies 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.netconf.server.mdsal.notifications;
   9
  10 import org.opendaylight.mdsal.binding.api.DataBroker;
  11 import org.opendaylight.mdsal.binding.api.DataListener;
  12 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  13 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  14 import org.opendaylight.netconf.server.api.notifications.NetconfNotificationCollector;
  15 import org.opendaylight.netconf.server.api.notifications.YangLibraryPublisherRegistration;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev190104.ModulesState;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev190104.YangLibraryChangeBuilder;
  18 import org.opendaylight.yangtools.concepts.Registration;
  19 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  20 import org.osgi.service.component.annotations.Activate;
  21 import org.osgi.service.component.annotations.Component;
  22 import org.osgi.service.component.annotations.Deactivate;
  23 import org.osgi.service.component.annotations.Reference;
  24
  25 /**
  26  * Listens on the set of modules and submodules changes in data store and publishes to base NETCONF notification stream
  27  * listener a server-specific identifier representing the current set of modules and submodules.
  28  *
  29  * @deprecated ietf-yang-library:yang-library-change was deprecated in the new RFC8525.
  30  *             Use {@link YangLibraryNotificationProducerRFC8525}.
  31  */
  32 @Component(service = { })
  33 @Deprecated(forRemoval = true)
  34 public final class YangLibraryNotificationProducer implements DataListener<ModulesState>, AutoCloseable {
  35     private final Registration yangLibraryChangeListenerRegistration;
  36     private final YangLibraryPublisherRegistration yangLibraryPublisherRegistration;
  37
  38     @Activate
  39     public YangLibraryNotificationProducer(
  40             @Reference(target = "(type=netconf-notification-manager)") final NetconfNotificationCollector notifManager,
  41             @Reference final DataBroker dataBroker) {
  42         yangLibraryPublisherRegistration = notifManager.registerYangLibraryPublisher();
  43         yangLibraryChangeListenerRegistration = dataBroker.registerDataListener(
  44             DataTreeIdentifier.of(LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(ModulesState.class)),
  45             this);
  46     }
  47
  48     @Deactivate
  49     @Override
  50     public void close() {
  51         if (yangLibraryPublisherRegistration != null) {
  52             yangLibraryPublisherRegistration.close();
  53         }
  54         if (yangLibraryChangeListenerRegistration != null) {
  55             yangLibraryChangeListenerRegistration.close();
  56         }
  57     }
  58
  59     @Override
  60     public void dataChangedTo(final ModulesState data) {
  61         if (data != null) {
  62             yangLibraryPublisherRegistration.onYangLibraryChange(new YangLibraryChangeBuilder()
  63                 .setModuleSetId(data.getModuleSetId())
  64                 .build());
  65         }
  66     }
  67 }