restconf/restconf-nb-rfc8040/src/main/java/org/opendaylight/restconf/nb/rfc8040/utils/mapping/RestconfMappingNodeUtil.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. 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.restconf.nb.rfc8040.utils.mapping;
   9
  10 import java.net.URI;
  11 import java.time.Instant;
  12 import java.time.OffsetDateTime;
  13 import java.time.ZoneId;
  14 import java.time.format.DateTimeFormatter;
  15 import java.util.Collection;
  16 import java.util.List;
  17 import java.util.Map;
  18 import java.util.Optional;
  19 import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
  20 import org.opendaylight.restconf.nb.rfc8040.Rfc8040.IetfYangLibrary;
  21 import org.opendaylight.restconf.nb.rfc8040.Rfc8040.MonitoringModule;
  22 import org.opendaylight.restconf.nb.rfc8040.Rfc8040.MonitoringModule.QueryParams;
  23 import org.opendaylight.restconf.nb.rfc8040.utils.parser.ParserIdentifier;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.ModulesState;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.Module.ConformanceType;
  26 import org.opendaylight.yangtools.yang.common.QName;
  27 import org.opendaylight.yangtools.yang.common.Revision;
  28 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  30 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  31 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
  32 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  33 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
  34 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  35 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  36 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  37 import org.opendaylight.yangtools.yang.data.api.schema.OrderedMapNode;
  38 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  39 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  40 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
  41 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
  42 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.ListNodeBuilder;
  43 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  44 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
  45 import org.opendaylight.yangtools.yang.model.api.Deviation;
  46 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  47 import org.opendaylight.yangtools.yang.model.api.FeatureDefinition;
  48 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
  49 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  50 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
  51 import org.opendaylight.yangtools.yang.model.api.Module;
  52 import org.opendaylight.yangtools.yang.model.api.ModuleLike;
  53 import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
  54 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  55 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  56 import org.opendaylight.yangtools.yang.model.api.Submodule;
  57
  58 /**
  59  * Util class for mapping nodes.
  60  *
  61  */
  62 public final class RestconfMappingNodeUtil {
  63     private RestconfMappingNodeUtil() {
  64         // Hidden on purpose
  65     }
  66
  67     /**
  68      * Map data from modules to {@link NormalizedNode}.
  69      *
  70      * @param modules modules for mapping
  71      * @param context schema context
  72      * @param moduleSetId module-set-id of actual set
  73      * @return mapped data as {@link NormalizedNode}
  74      */
  75     public static ContainerNode mapModulesByIetfYangLibraryYang(final Collection<? extends Module> modules,
  76             final SchemaContext context, final String moduleSetId) {
  77         final CollectionNodeBuilder<MapEntryNode, OrderedMapNode> mapBuilder = Builders.orderedMapBuilder()
  78                 .withNodeIdentifier(new NodeIdentifier(IetfYangLibrary.MODULE_QNAME_LIST));
  79         for (final Module module : context.getModules()) {
  80             fillMapByModules(mapBuilder, IetfYangLibrary.MODULE_QNAME_LIST, false, module, context);
  81         }
  82         return Builders.containerBuilder()
  83             .withNodeIdentifier(new NodeIdentifier(ModulesState.QNAME))
  84             .withChild(ImmutableNodes.leafNode(IetfYangLibrary.MODULE_SET_ID_LEAF_QNAME, moduleSetId))
  85             .withChild(mapBuilder.build()).build();
  86     }
  87
  88     /**
  89      * Map data by the specific module or submodule.
  90      *
  91      * @param mapBuilder
  92      *             ordered list builder for children
  93      * @param mapQName
  94      *             QName corresponding to the list builder
  95      * @param isSubmodule
  96      *             true if module is specified as submodule, false otherwise
  97      * @param module
  98      *             specific module or submodule
  99      * @param context
 100      *             schema context
 101      */
 102     private static void fillMapByModules(final CollectionNodeBuilder<MapEntryNode, OrderedMapNode> mapBuilder,
 103             final QName mapQName, final boolean isSubmodule, final ModuleLike module, final SchemaContext context) {
 104         final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder =
 105             newCommonLeafsMapEntryBuilder(mapQName, module);
 106
 107         mapEntryBuilder.withChild(ImmutableNodes.leafNode(IetfYangLibrary.SPECIFIC_MODULE_SCHEMA_LEAF_QNAME,
 108             IetfYangLibrary.BASE_URI_OF_SCHEMA + module.getName() + "/"
 109             // FIXME: orElse(null) does not seem appropriate here
 110             + module.getQNameModule().getRevision().map(Revision::toString).orElse(null)));
 111
 112         if (!isSubmodule) {
 113             mapEntryBuilder.withChild(ImmutableNodes.leafNode(IetfYangLibrary.SPECIFIC_MODULE_NAMESPACE_LEAF_QNAME,
 114                 module.getNamespace().toString()));
 115
 116             // features - not mandatory
 117             if (module.getFeatures() != null && !module.getFeatures().isEmpty()) {
 118                 addFeatureLeafList(mapEntryBuilder, module.getFeatures());
 119             }
 120             // deviations - not mandatory
 121             final ConformanceType conformance;
 122             if (module.getDeviations() != null && !module.getDeviations().isEmpty()) {
 123                 addDeviationList(module, mapEntryBuilder, context);
 124                 conformance = ConformanceType.Implement;
 125             } else {
 126                 conformance = ConformanceType.Import;
 127             }
 128             mapEntryBuilder.withChild(
 129                 ImmutableNodes.leafNode(IetfYangLibrary.SPECIFIC_MODULE_CONFORMANCE_LEAF_QNAME, conformance.getName()));
 130
 131             // submodules - not mandatory
 132             if (module.getSubmodules() != null && !module.getSubmodules().isEmpty()) {
 133                 addSubmodules(module, mapEntryBuilder, context);
 134             }
 135         }
 136         mapBuilder.withChild(mapEntryBuilder.build());
 137     }
 138
 139     /**
 140      * Mapping submodules of specific module.
 141      *
 142      * @param module
 143      *             module with submodules
 144      * @param mapEntryBuilder
 145      *             mapEntryBuilder of parent for mapping children
 146      * @param ietfYangLibraryModule
 147      *             ietf-yang-library module
 148      * @param context
 149      *             schema context
 150      */
 151     private static void addSubmodules(final ModuleLike module,
 152             final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder,
 153             final SchemaContext context) {
 154         final CollectionNodeBuilder<MapEntryNode, OrderedMapNode> mapBuilder = Builders.orderedMapBuilder()
 155             .withNodeIdentifier(new NodeIdentifier(IetfYangLibrary.SPECIFIC_MODULE_SUBMODULE_LIST_QNAME));
 156
 157         for (final Submodule submodule : module.getSubmodules()) {
 158             fillMapByModules(mapBuilder, IetfYangLibrary.SPECIFIC_MODULE_SUBMODULE_LIST_QNAME, true, submodule,
 159                 context);
 160         }
 161         mapEntryBuilder.withChild(mapBuilder.build());
 162     }
 163
 164     /**
 165      * Mapping deviations of specific module.
 166      *
 167      * @param module
 168      *             module with deviations
 169      * @param mapEntryBuilder
 170      *             mapEntryBuilder of parent for mapping children
 171      * @param context
 172      *             schema context
 173      */
 174     private static void addDeviationList(final ModuleLike module,
 175             final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder,
 176             final SchemaContext context) {
 177         final CollectionNodeBuilder<MapEntryNode, MapNode> deviations = Builders.mapBuilder()
 178             .withNodeIdentifier(new NodeIdentifier(IetfYangLibrary.SPECIFIC_MODULE_DEVIATION_LIST_QNAME));
 179         for (final Deviation deviation : module.getDeviations()) {
 180             final List<QName> ids = deviation.getTargetPath().getNodeIdentifiers();
 181             final QName lastComponent = ids.get(ids.size() - 1);
 182
 183             deviations.withChild(newCommonLeafsMapEntryBuilder(IetfYangLibrary.SPECIFIC_MODULE_DEVIATION_LIST_QNAME,
 184                 context.findModule(lastComponent.getModule()).get())
 185                 .build());
 186         }
 187         mapEntryBuilder.withChild(deviations.build());
 188     }
 189
 190     /**
 191      * Mapping features of specific module.
 192      *
 193      * @param mapEntryBuilder mapEntryBuilder of parent for mapping children
 194      * @param features features of specific module
 195      */
 196     private static void addFeatureLeafList(
 197             final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder,
 198             final Collection<? extends FeatureDefinition> features) {
 199         final ListNodeBuilder<Object, LeafSetEntryNode<Object>> leafSetBuilder = Builders.leafSetBuilder()
 200                 .withNodeIdentifier(new NodeIdentifier(IetfYangLibrary.SPECIFIC_MODULE_FEATURE_LEAF_LIST_QNAME));
 201         for (final FeatureDefinition feature : features) {
 202             final String featureName = feature.getQName().getLocalName();
 203             leafSetBuilder.withChild(Builders.leafSetEntryBuilder()
 204                 .withNodeIdentifier(
 205                     new NodeWithValue<>(IetfYangLibrary.SPECIFIC_MODULE_FEATURE_LEAF_LIST_QNAME, featureName))
 206                 .withValue(featureName)
 207                 .build());
 208         }
 209         mapEntryBuilder.withChild(leafSetBuilder.build());
 210     }
 211
 212     private static DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> newCommonLeafsMapEntryBuilder(
 213             final QName qname, final ModuleLike module) {
 214         final var name = module.getName();
 215         final var revision = module.getQNameModule().getRevision().map(Revision::toString).orElse("");
 216         return Builders.mapEntryBuilder()
 217             .withNodeIdentifier(NodeIdentifierWithPredicates.of(qname, Map.of(
 218                 IetfYangLibrary.SPECIFIC_MODULE_NAME_LEAF_QNAME, name,
 219                 IetfYangLibrary.SPECIFIC_MODULE_REVISION_LEAF_QNAME, revision)))
 220             .withChild(ImmutableNodes.leafNode(IetfYangLibrary.SPECIFIC_MODULE_NAME_LEAF_QNAME, name))
 221             .withChild(ImmutableNodes.leafNode(IetfYangLibrary.SPECIFIC_MODULE_REVISION_LEAF_QNAME, revision));
 222     }
 223
 224     /**
 225      * Map capabilites by ietf-restconf-monitoring.
 226      *
 227      * @param monitoringModule
 228      *             ietf-restconf-monitoring module
 229      * @return mapped capabilites
 230      */
 231     public static ContainerNode mapCapabilites(final Module monitoringModule) {
 232         final DataSchemaNode restconfState =
 233                 monitoringModule.getDataChildByName(MonitoringModule.CONT_RESTCONF_STATE_QNAME);
 234         final DataSchemaNode capabilitesContSchema =
 235                 getChildOfCont((ContainerSchemaNode) restconfState, MonitoringModule.CONT_CAPABILITES_QNAME);
 236         final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> capabilitesContBuilder =
 237                 Builders.containerBuilder((ContainerSchemaNode) capabilitesContSchema);
 238         final DataSchemaNode leafListCapa = getChildOfCont((ContainerSchemaNode) capabilitesContSchema,
 239                 MonitoringModule.LEAF_LIST_CAPABILITY_QNAME);
 240         final ListNodeBuilder<Object, LeafSetEntryNode<Object>> leafListCapaBuilder =
 241                 Builders.orderedLeafSetBuilder((LeafListSchemaNode) leafListCapa);
 242         fillLeafListCapa(leafListCapaBuilder, (LeafListSchemaNode) leafListCapa);
 243
 244         return Builders.containerBuilder()
 245             .withNodeIdentifier(new NodeIdentifier(MonitoringModule.CONT_RESTCONF_STATE_QNAME))
 246             .withChild(capabilitesContBuilder.withChild(leafListCapaBuilder.build()).build())
 247             .build();
 248     }
 249
 250     /**
 251      * Map data to leaf-list.
 252      *
 253      * @param builder
 254      *             builder of parent for children
 255      * @param leafListSchema
 256      *             leaf list schema
 257      */
 258     private static void fillLeafListCapa(final ListNodeBuilder<Object, LeafSetEntryNode<Object>> builder,
 259             final LeafListSchemaNode leafListSchema) {
 260         builder.withChild(leafListEntryBuild(leafListSchema, QueryParams.DEPTH));
 261         builder.withChild(leafListEntryBuild(leafListSchema, QueryParams.FIELDS));
 262         builder.withChild(leafListEntryBuild(leafListSchema, QueryParams.FILTER));
 263         builder.withChild(leafListEntryBuild(leafListSchema, QueryParams.REPLAY));
 264         builder.withChild(leafListEntryBuild(leafListSchema, QueryParams.WITH_DEFAULTS));
 265     }
 266
 267     /**
 268      * Map value to leaf list entry node.
 269      *
 270      * @param leafListSchema
 271      *             leaf list schema of leaf list entry
 272      * @param value
 273      *             value of leaf entry
 274      * @return entry node
 275      */
 276     private static LeafSetEntryNode<Object> leafListEntryBuild(final LeafListSchemaNode leafListSchema,
 277             final String value) {
 278         return Builders.leafSetEntryBuilder(leafListSchema).withValue(value).build();
 279     }
 280
 281     /**
 282      * Find specific schema node by qname in parent {@link ContainerSchemaNode}.
 283      *
 284      * @param parent
 285      *             schemaNode
 286      * @param childQName
 287      *             specific qname of child
 288      * @return schema node of child by qname
 289      */
 290     private static DataSchemaNode getChildOfCont(final ContainerSchemaNode parent, final QName childQName) {
 291         for (final DataSchemaNode child : parent.getChildNodes()) {
 292             if (child.getQName().equals(childQName)) {
 293                 return child;
 294             }
 295         }
 296         throw new RestconfDocumentedException(
 297                 childQName.getLocalName() + " doesn't exist in container " + MonitoringModule.CONT_RESTCONF_STATE_NAME);
 298     }
 299
 300     /**
 301      * Map data of yang notification to normalized node according to
 302      * ietf-restconf-monitoring.
 303      *
 304      * @param notifiQName
 305      *             qname of notification from listener
 306      * @param notifications
 307      *             list of notifications for find schema of notification by
 308      *            notifiQName
 309      * @param start
 310      *             start-time query parameter of notification
 311      * @param outputType
 312      *             output type of notification
 313      * @param uri
 314      *             location of registered listener for sending data of
 315      *            notification
 316      * @param monitoringModule
 317      *             ietf-restconf-monitoring module
 318      * @param existParent
 319      *             true if data of parent -
 320      *            ietf-restconf-monitoring:restconf-state/streams - exist in DS
 321      * @return mapped data of notification - map entry node if parent exists,
 322      *         container streams with list and map entry node if not
 323      */
 324     public static NormalizedNode<?, ?> mapYangNotificationStreamByIetfRestconfMonitoring(final QName notifiQName,
 325             final Collection<? extends NotificationDefinition> notifications, final Instant start,
 326             final String outputType, final URI uri, final Module monitoringModule, final boolean existParent) {
 327         for (final NotificationDefinition notificationDefinition : notifications) {
 328             if (notificationDefinition.getQName().equals(notifiQName)) {
 329                 final DataSchemaNode streamListSchema = ((ContainerSchemaNode) ((ContainerSchemaNode) monitoringModule
 330                         .getDataChildByName(MonitoringModule.CONT_RESTCONF_STATE_QNAME))
 331                                 .getDataChildByName(MonitoringModule.CONT_STREAMS_QNAME))
 332                                         .getDataChildByName(MonitoringModule.LIST_STREAM_QNAME);
 333                 final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> streamEntry =
 334                         Builders.mapEntryBuilder((ListSchemaNode) streamListSchema);
 335
 336                 final ListSchemaNode listSchema = (ListSchemaNode) streamListSchema;
 337                 prepareLeafAndFillEntryBuilder(streamEntry,
 338                         listSchema.getDataChildByName(MonitoringModule.LEAF_NAME_STREAM_QNAME),
 339                         notificationDefinition.getQName().getLocalName());
 340
 341                 final Optional<String> optDesc = notificationDefinition.getDescription();
 342                 if (optDesc.isPresent()) {
 343                     prepareLeafAndFillEntryBuilder(streamEntry,
 344                             listSchema.getDataChildByName(MonitoringModule.LEAF_DESCR_STREAM_QNAME), optDesc.get());
 345                 }
 346                 prepareLeafAndFillEntryBuilder(streamEntry,
 347                         listSchema.getDataChildByName(MonitoringModule.LEAF_REPLAY_SUPP_STREAM_QNAME), true);
 348                 if (start != null) {
 349                     prepareLeafAndFillEntryBuilder(streamEntry,
 350                         listSchema.getDataChildByName(MonitoringModule.LEAF_START_TIME_STREAM_QNAME),
 351                         DateTimeFormatter.ISO_OFFSET_DATE_TIME.format(OffsetDateTime.ofInstant(start,
 352                             ZoneId.systemDefault())));
 353                 }
 354                 prepareListAndFillEntryBuilder(streamEntry,
 355                         (ListSchemaNode) listSchema.getDataChildByName(MonitoringModule.LIST_ACCESS_STREAM_QNAME),
 356                         outputType, uri);
 357
 358                 if (!existParent) {
 359                     final DataSchemaNode contStreamsSchema = ((ContainerSchemaNode) monitoringModule
 360                             .getDataChildByName(MonitoringModule.CONT_RESTCONF_STATE_QNAME))
 361                                     .getDataChildByName(MonitoringModule.CONT_STREAMS_QNAME);
 362                     return Builders.containerBuilder((ContainerSchemaNode) contStreamsSchema).withChild(Builders
 363                             .mapBuilder((ListSchemaNode) streamListSchema).withChild(streamEntry.build()).build())
 364                             .build();
 365                 }
 366                 return streamEntry.build();
 367             }
 368         }
 369
 370         throw new RestconfDocumentedException(notifiQName + " doesn't exist in any modul");
 371     }
 372
 373     private static void prepareListAndFillEntryBuilder(
 374             final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> streamEntry,
 375             final ListSchemaNode listSchemaNode, final String outputType, final URI uriToWebsocketServer) {
 376         final CollectionNodeBuilder<MapEntryNode, MapNode> accessListBuilder = Builders.mapBuilder(listSchemaNode);
 377         final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> entryAccessList =
 378                 Builders.mapEntryBuilder(listSchemaNode);
 379         prepareLeafAndFillEntryBuilder(entryAccessList,
 380                 listSchemaNode.getDataChildByName(MonitoringModule.LEAF_ENCODING_ACCESS_QNAME), outputType);
 381         prepareLeafAndFillEntryBuilder(entryAccessList,
 382                 listSchemaNode.getDataChildByName(MonitoringModule.LEAF_LOCATION_ACCESS_QNAME),
 383                 uriToWebsocketServer.toString());
 384         streamEntry.withChild(accessListBuilder.withChild(entryAccessList.build()).build());
 385     }
 386
 387     /**
 388      * Prepare leaf and fill entry builder.
 389      *
 390      * @param streamEntry   Stream entry
 391      * @param leafSchema    Leaf schema
 392      * @param value         Value
 393      */
 394     private static void prepareLeafAndFillEntryBuilder(
 395             final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> streamEntry,
 396             final DataSchemaNode leafSchema, final Object value) {
 397         streamEntry.withChild(Builders.leafBuilder((LeafSchemaNode) leafSchema).withValue(value).build());
 398     }
 399
 400     /**
 401      * Map data of data change notification to normalized node according to
 402      * ietf-restconf-monitoring.
 403      *
 404      * @param path
 405      *             path of data to listen on
 406      * @param start
 407      *             start-time query parameter of notification
 408      * @param outputType
 409      *             output type of notification
 410      * @param uri
 411      *             location of registered listener for sending data of
 412      *            notification
 413      * @param monitoringModule
 414      *             ietf-restconf-monitoring module
 415      * @param existParent
 416      *             true if data of parent -
 417      *            ietf-restconf-monitoring:restconf-state/streams - exist in DS
 418      * @param schemaContext
 419      *             schemaContext for parsing instance identifier to get schema
 420      *            node of data
 421      * @return mapped data of notification - map entry node if parent exists,
 422      *         container streams with list and map entry node if not
 423      */
 424     public static NormalizedNode<?, ?> mapDataChangeNotificationStreamByIetfRestconfMonitoring(
 425             final YangInstanceIdentifier path, final Instant start, final String outputType, final URI uri,
 426             final Module monitoringModule, final boolean existParent, final EffectiveModelContext schemaContext) {
 427         final SchemaNode schemaNode = ParserIdentifier
 428                 .toInstanceIdentifier(ParserIdentifier.stringFromYangInstanceIdentifier(path, schemaContext),
 429                         schemaContext, Optional.empty())
 430                 .getSchemaNode();
 431         final DataSchemaNode streamListSchema = ((ContainerSchemaNode) ((ContainerSchemaNode) monitoringModule
 432                 .getDataChildByName(MonitoringModule.CONT_RESTCONF_STATE_QNAME))
 433                         .getDataChildByName(MonitoringModule.CONT_STREAMS_QNAME))
 434                                 .getDataChildByName(MonitoringModule.LIST_STREAM_QNAME);
 435         final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> streamEntry =
 436                 Builders.mapEntryBuilder((ListSchemaNode) streamListSchema);
 437
 438         final ListSchemaNode listSchema = (ListSchemaNode) streamListSchema;
 439         prepareLeafAndFillEntryBuilder(streamEntry,
 440                 listSchema.getDataChildByName(MonitoringModule.LEAF_NAME_STREAM_QNAME),
 441                 schemaNode.getQName().getLocalName());
 442
 443         final Optional<String> optDesc = schemaNode.getDescription();
 444         if (optDesc.isPresent()) {
 445             prepareLeafAndFillEntryBuilder(streamEntry,
 446                     listSchema.getDataChildByName(MonitoringModule.LEAF_DESCR_STREAM_QNAME), optDesc.get());
 447         }
 448         prepareLeafAndFillEntryBuilder(streamEntry,
 449                 listSchema.getDataChildByName(MonitoringModule.LEAF_REPLAY_SUPP_STREAM_QNAME), true);
 450         prepareLeafAndFillEntryBuilder(streamEntry,
 451                 listSchema.getDataChildByName(MonitoringModule.LEAF_START_TIME_STREAM_QNAME),
 452                 DateTimeFormatter.ISO_OFFSET_DATE_TIME.format(OffsetDateTime.ofInstant(start, ZoneId.systemDefault())));
 453         prepareListAndFillEntryBuilder(streamEntry,
 454                 (ListSchemaNode) listSchema.getDataChildByName(MonitoringModule.LIST_ACCESS_STREAM_QNAME), outputType,
 455                 uri);
 456
 457         if (!existParent) {
 458             final DataSchemaNode contStreamsSchema = ((ContainerSchemaNode) monitoringModule
 459                     .getDataChildByName(MonitoringModule.CONT_RESTCONF_STATE_QNAME))
 460                             .getDataChildByName(MonitoringModule.CONT_STREAMS_QNAME);
 461             return Builders
 462                     .containerBuilder((ContainerSchemaNode) contStreamsSchema).withChild(Builders
 463                             .mapBuilder((ListSchemaNode) streamListSchema).withChild(streamEntry.build()).build())
 464                     .build();
 465         }
 466         return streamEntry.build();
 467     }
 468 }