netconf/mdsal-netconf-notification/src/main/java/org/opendaylight/netconf/mdsal/notification/impl/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.mdsal.notification.impl;
   9
  10 import java.util.Collection;
  11 import org.opendaylight.mdsal.binding.api.DataBroker;
  12 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  13 import org.opendaylight.netconf.notifications.NetconfNotificationCollector;
  14 import org.opendaylight.netconf.notifications.YangLibraryPublisherRegistration;
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev190104.ModulesState;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev190104.YangLibraryChangeBuilder;
  17 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  18 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  19 import org.osgi.service.component.annotations.Activate;
  20 import org.osgi.service.component.annotations.Component;
  21 import org.osgi.service.component.annotations.Deactivate;
  22 import org.osgi.service.component.annotations.Reference;
  23
  24 /**
  25  * Listens on the set of modules and submodules changes in data store and publishes
  26  * to base netconf notification stream listener a server-specific identifier representing
  27  * 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 extends OperationalDatastoreListener<ModulesState>
  35         implements AutoCloseable {
  36     private static final InstanceIdentifier<ModulesState> MODULES_STATE_INSTANCE_IDENTIFIER =
  37             InstanceIdentifier.create(ModulesState.class);
  38
  39     private final ListenerRegistration<?> yangLibraryChangeListenerRegistration;
  40     private final YangLibraryPublisherRegistration yangLibraryPublisherRegistration;
  41
  42     @Activate
  43     public YangLibraryNotificationProducer(
  44             @Reference(target = "(type=netconf-notification-manager)") final NetconfNotificationCollector notifManager,
  45             @Reference final DataBroker dataBroker) {
  46         super(MODULES_STATE_INSTANCE_IDENTIFIER);
  47         yangLibraryPublisherRegistration = notifManager.registerYangLibraryPublisher();
  48         yangLibraryChangeListenerRegistration = registerOnChanges(dataBroker);
  49     }
  50
  51     @Deactivate
  52     @Override
  53     public void close() {
  54         if (yangLibraryPublisherRegistration != null) {
  55             yangLibraryPublisherRegistration.close();
  56         }
  57         if (yangLibraryChangeListenerRegistration != null) {
  58             yangLibraryChangeListenerRegistration.close();
  59         }
  60     }
  61
  62     @Override
  63     public void onDataTreeChanged(final Collection<DataTreeModification<ModulesState>> changes) {
  64         for (DataTreeModification<ModulesState> change : changes) {
  65             final ModulesState dataAfter = change.getRootNode().getDataAfter();
  66             if (dataAfter != null) {
  67                 yangLibraryPublisherRegistration.onYangLibraryChange(new YangLibraryChangeBuilder()
  68                     .setModuleSetId(dataAfter.getModuleSetId())
  69                     .build());
  70             }
  71         }
  72     }
  73 }