yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/reactor/RFC7950Reactors.java

   1 /*
   2  * Copyright (c) 2017 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.yangtools.yang.parser.rfc7950.reactor;
   9
  10 import static org.opendaylight.yangtools.yang.common.YangVersion.VERSION_1;
  11 import static org.opendaylight.yangtools.yang.common.YangVersion.VERSION_1_1;
  12
  13 import com.google.common.annotations.Beta;
  14 import com.google.common.collect.ImmutableSet;
  15 import com.google.common.collect.Sets;
  16 import org.eclipse.jdt.annotation.NonNull;
  17 import org.opendaylight.yangtools.yang.common.YangVersion;
  18 import org.opendaylight.yangtools.yang.parser.openconfig.stmt.OpenConfigVersionSupport;
  19 import org.opendaylight.yangtools.yang.parser.rfc7950.namespace.ModuleQNameToPrefix;
  20 import org.opendaylight.yangtools.yang.parser.rfc7950.namespace.YangNamespaceContextNamespace;
  21 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.XPathSupport;
  22 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.action.ActionStatementSupport;
  23 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.anydata.AnydataStatementSupport;
  24 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.anyxml.AnyxmlStatementSupport;
  25 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.argument.ArgumentStatementSupport;
  26 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.augment.AugmentImplicitHandlingNamespace;
  27 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.augment.AugmentStatementRFC6020Support;
  28 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.augment.AugmentStatementRFC7950Support;
  29 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.base.BaseStatementSupport;
  30 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.belongs_to.BelongsToStatementSupport;
  31 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.bit.BitStatementSupport;
  32 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.case_.CaseStatementSupport;
  33 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.choice.ChoiceStatementSupport;
  34 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.config.ConfigStatementSupport;
  35 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.contact.ContactStatementSupport;
  36 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.container.ContainerStatementSupport;
  37 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.default_.DefaultStatementSupport;
  38 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.description.DescriptionStatementSupport;
  39 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.deviate.DeviateStatementRFC6020Support;
  40 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.deviate.DeviateStatementRFC7950Support;
  41 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.deviation.DeviationStatementSupport;
  42 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.enum_.EnumStatementSupport;
  43 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.error_app_tag.ErrorAppTagStatementSupport;
  44 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.error_message.ErrorMessageStatementSupport;
  45 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.extension.ExtensionStatementSupport;
  46 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.feature.FeatureStatementSupport;
  47 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.fraction_digits.FractionDigitsStatementSupport;
  48 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.grouping.GroupingStatementSupport;
  49 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.identity.IdentityStatementSupport;
  50 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.if_feature.IfFeatureStatementRFC6020Support;
  51 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.if_feature.IfFeatureStatementRFC7950Support;
  52 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.import_.ImportStatementRFC6020Support;
  53 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.import_.ImportStatementRFC7950Support;
  54 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.include.IncludeStatementSupport;
  55 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.input.InputStatementSupport;
  56 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.key.KeyStatementSupport;
  57 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.leaf.LeafStatementSupport;
  58 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.leaf_list.LeafListStatementRFC6020Support;
  59 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.leaf_list.LeafListStatementRFC7950Support;
  60 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.length.LengthStatementSupport;
  61 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.list.ConfigListWarningNamespace;
  62 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.list.ListStatementRFC6020Support;
  63 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.list.ListStatementRFC7950Support;
  64 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.mandatory.MandatoryStatementSupport;
  65 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.max_elements.MaxElementsStatementSupport;
  66 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.min_elements.MinElementsStatementSupport;
  67 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.modifier.ModifierStatementSupport;
  68 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.module.ModuleStatementSupport;
  69 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.must.MustStatementSupport;
  70 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.namespace.NamespaceStatementSupport;
  71 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.notification.NotificationStatementRFC6020Support;
  72 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.notification.NotificationStatementRFC7950Support;
  73 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.ordered_by.OrderedByStatementSupport;
  74 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.organization.OrganizationStatementSupport;
  75 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.output.OutputStatementSupport;
  76 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.path.PathStatementSupport;
  77 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.pattern.PatternStatementRFC6020Support;
  78 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.pattern.PatternStatementRFC7950Support;
  79 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.position.PositionStatementSupport;
  80 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.prefix.PrefixStatementSupport;
  81 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.presence.PresenceStatementSupport;
  82 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.range.RangeStatementSupport;
  83 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.reference.ReferenceStatementSupport;
  84 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.refine.RefineStatementSupport;
  85 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.require_instance.RequireInstanceStatementSupport;
  86 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.revision.RevisionStatementSupport;
  87 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.revision_date.RevisionDateStatementSupport;
  88 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.rpc.RpcStatementSupport;
  89 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.status.StatusStatementSupport;
  90 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.submodule.SubmoduleStatementRFC6020Support;
  91 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.submodule.SubmoduleStatementRFC7950Support;
  92 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.type.BaseTypeNamespace;
  93 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.type.TypeStatementRFC6020Support;
  94 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.type.TypeStatementRFC7950Support;
  95 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.typedef.TypedefStatementSupport;
  96 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.unique.UniqueStatementSupport;
  97 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.units.UnitsStatementSupport;
  98 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.uses.SourceGroupingNamespace;
  99 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.uses.UsesStatementSupport;
 100 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.value.ValueStatementSupport;
 101 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.when.WhenStatementSupport;
 102 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.yang_version.YangVersionStatementSupport;
 103 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.yin_element.YinElementStatementSupport;
 104 import org.opendaylight.yangtools.yang.parser.spi.ExtensionNamespace;
 105 import org.opendaylight.yangtools.yang.parser.spi.FeatureNamespace;
 106 import org.opendaylight.yangtools.yang.parser.spi.GroupingNamespace;
 107 import org.opendaylight.yangtools.yang.parser.spi.IdentityNamespace;
 108 import org.opendaylight.yangtools.yang.parser.spi.ModuleNamespace;
 109 import org.opendaylight.yangtools.yang.parser.spi.NamespaceToModule;
 110 import org.opendaylight.yangtools.yang.parser.spi.PreLinkageModuleNamespace;
 111 import org.opendaylight.yangtools.yang.parser.spi.SchemaTreeNamespace;
 112 import org.opendaylight.yangtools.yang.parser.spi.SubmoduleNamespace;
 113 import org.opendaylight.yangtools.yang.parser.spi.TypeNamespace;
 114 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
 115 import org.opendaylight.yangtools.yang.parser.spi.meta.SemanticVersionModuleNamespace;
 116 import org.opendaylight.yangtools.yang.parser.spi.meta.SemanticVersionNamespace;
 117 import org.opendaylight.yangtools.yang.parser.spi.meta.StatementDefinitionNamespace;
 118 import org.opendaylight.yangtools.yang.parser.spi.meta.StatementSupportBundle;
 119 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToModuleContext;
 120 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToPrefixToModuleCtx;
 121 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToPrefixToModuleName;
 122 import org.opendaylight.yangtools.yang.parser.spi.source.ImpPrefixToNamespace;
 123 import org.opendaylight.yangtools.yang.parser.spi.source.ImportPrefixToModuleCtx;
 124 import org.opendaylight.yangtools.yang.parser.spi.source.ImportPrefixToSemVerSourceIdentifier;
 125 import org.opendaylight.yangtools.yang.parser.spi.source.ImportedModuleContext;
 126 import org.opendaylight.yangtools.yang.parser.spi.source.IncludedModuleContext;
 127 import org.opendaylight.yangtools.yang.parser.spi.source.IncludedSubmoduleNameToModuleCtx;
 128 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleCtxToModuleQName;
 129 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleCtxToSourceIdentifier;
 130 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNameToModuleQName;
 131 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNameToNamespace;
 132 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNamespaceForBelongsTo;
 133 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleQNameToModuleName;
 134 import org.opendaylight.yangtools.yang.parser.spi.source.ModulesDeviatedByModules;
 135 import org.opendaylight.yangtools.yang.parser.spi.source.PrefixToModule;
 136 import org.opendaylight.yangtools.yang.parser.spi.source.QNameToStatementDefinition;
 137 import org.opendaylight.yangtools.yang.parser.spi.source.SupportedFeaturesNamespace;
 138 import org.opendaylight.yangtools.yang.parser.spi.validation.ValidationBundlesNamespace;
 139 import org.opendaylight.yangtools.yang.parser.spi.validation.ValidationBundlesNamespace.ValidationBundleType;
 140 import org.opendaylight.yangtools.yang.parser.stmt.reactor.CrossSourceStatementReactor;
 141 import org.opendaylight.yangtools.yang.xpath.api.YangXPathParserFactory;
 142
 143 /**
 144  * Utility class holding entrypoints for assembling RFC6020/RFC7950 statement {@link CrossSourceStatementReactor}s.
 145  *
 146  * @author Robert Varga
 147  */
 148 @Beta
 149 public final class RFC7950Reactors {
 150     private static final ImmutableSet<YangVersion> SUPPORTED_VERSIONS = Sets.immutableEnumSet(VERSION_1, VERSION_1_1);
 151
 152     private static final StatementSupportBundle INIT_BUNDLE = StatementSupportBundle.builder(SUPPORTED_VERSIONS)
 153             .addSupport(ValidationBundlesNamespace.BEHAVIOUR)
 154             .addSupport(SupportedFeaturesNamespace.BEHAVIOUR)
 155             .addSupport(ModulesDeviatedByModules.BEHAVIOUR)
 156             .build();
 157
 158     private static final StatementSupportBundle PRE_LINKAGE_BUNDLE = StatementSupportBundle.derivedFrom(INIT_BUNDLE)
 159             .addVersionSpecificSupport(VERSION_1, ModuleStatementSupport.rfc6020Instance())
 160             .addVersionSpecificSupport(VERSION_1_1, ModuleStatementSupport.rfc7950Instance())
 161             .addVersionSpecificSupport(VERSION_1, SubmoduleStatementRFC6020Support.getInstance())
 162             .addVersionSpecificSupport(VERSION_1_1, SubmoduleStatementRFC7950Support.getInstance())
 163             .addSupport(NamespaceStatementSupport.getInstance())
 164             .addVersionSpecificSupport(VERSION_1, ImportStatementRFC6020Support.getInstance())
 165             .addVersionSpecificSupport(VERSION_1_1, ImportStatementRFC7950Support.getInstance())
 166             .addVersionSpecificSupport(VERSION_1, IncludeStatementSupport.rfc6020Instance())
 167             .addVersionSpecificSupport(VERSION_1_1, IncludeStatementSupport.rfc7950Instance())
 168             .addSupport(BelongsToStatementSupport.getInstance())
 169             .addSupport(PrefixStatementSupport.getInstance())
 170             .addSupport(YangVersionStatementSupport.getInstance())
 171             .addSupport(RevisionStatementSupport.getInstance())
 172             .addSupport(RevisionDateStatementSupport.getInstance())
 173             .addSupport(ModuleNameToNamespace.BEHAVIOUR)
 174             .addSupport(PreLinkageModuleNamespace.BEHAVIOUR)
 175             .addSupport(ImpPrefixToNamespace.BEHAVIOUR)
 176             .addSupport(ModuleCtxToModuleQName.BEHAVIOUR)
 177             .build();
 178
 179     private static final StatementSupportBundle LINKAGE_BUNDLE = StatementSupportBundle
 180             .derivedFrom(PRE_LINKAGE_BUNDLE)
 181             .addSupport(DescriptionStatementSupport.getInstance())
 182             .addSupport(ReferenceStatementSupport.getInstance())
 183             .addSupport(ContactStatementSupport.getInstance())
 184             .addSupport(OrganizationStatementSupport.getInstance())
 185             .addSupport(ModuleNamespace.BEHAVIOUR)
 186             .addSupport(ModuleNamespaceForBelongsTo.BEHAVIOUR)
 187             .addSupport(SubmoduleNamespace.BEHAVIOUR)
 188             .addSupport(NamespaceToModule.BEHAVIOUR)
 189             .addSupport(ModuleNameToModuleQName.BEHAVIOUR)
 190             .addSupport(ModuleCtxToSourceIdentifier.BEHAVIOUR)
 191             .addSupport(ModuleQNameToModuleName.BEHAVIOUR)
 192             .addSupport(PrefixToModule.BEHAVIOUR)
 193             .addSupport(ImportedModuleContext.BEHAVIOUR)
 194             .addSupport(IncludedModuleContext.BEHAVIOUR)
 195             .addSupport(IncludedSubmoduleNameToModuleCtx.BEHAVIOUR)
 196             .addSupport(ImportPrefixToModuleCtx.BEHAVIOUR)
 197             .addSupport(BelongsToPrefixToModuleCtx.BEHAVIOUR)
 198             .addSupport(ModuleQNameToPrefix.BEHAVIOUR)
 199             .addSupport(BelongsToModuleContext.BEHAVIOUR)
 200             .addSupport(QNameToStatementDefinition.BEHAVIOUR)
 201             .addSupport(BelongsToPrefixToModuleName.BEHAVIOUR)
 202             .build();
 203
 204     private static final StatementSupportBundle STMT_DEF_BUNDLE = StatementSupportBundle
 205             .derivedFrom(LINKAGE_BUNDLE)
 206             .addSupport(YinElementStatementSupport.getInstance())
 207             .addSupport(ArgumentStatementSupport.getInstance())
 208             .addSupport(ExtensionStatementSupport.getInstance())
 209             .addSupport(SchemaTreeNamespace.getInstance())
 210             .addSupport(ExtensionNamespace.BEHAVIOUR)
 211             .addSupport(TypedefStatementSupport.getInstance())
 212             .addSupport(TypeNamespace.BEHAVIOUR)
 213             .addVersionSpecificSupport(VERSION_1, IdentityStatementSupport.rfc6020Instance())
 214             .addVersionSpecificSupport(VERSION_1_1, IdentityStatementSupport.rfc7950Instance())
 215             .addSupport(IdentityNamespace.BEHAVIOUR)
 216             .addSupport(DefaultStatementSupport.getInstance())
 217             .addSupport(StatusStatementSupport.getInstance())
 218             .addSupport(BaseTypeNamespace.BEHAVIOUR)
 219             .addVersionSpecificSupport(VERSION_1, TypeStatementRFC6020Support.getInstance())
 220             .addVersionSpecificSupport(VERSION_1_1, TypeStatementRFC7950Support.getInstance())
 221             .addSupport(UnitsStatementSupport.getInstance())
 222             .addSupport(RequireInstanceStatementSupport.getInstance())
 223             .addVersionSpecificSupport(VERSION_1, BitStatementSupport.rfc6020Instance())
 224             .addVersionSpecificSupport(VERSION_1_1, BitStatementSupport.rfc7950Instance())
 225             .addSupport(PathStatementSupport.strictInstance())
 226             .addVersionSpecificSupport(VERSION_1, EnumStatementSupport.rfc6020Instance())
 227             .addVersionSpecificSupport(VERSION_1_1, EnumStatementSupport.rfc7950Instance())
 228             .addSupport(LengthStatementSupport.getInstance())
 229             .addVersionSpecificSupport(VERSION_1, PatternStatementRFC6020Support.getInstance())
 230             .addVersionSpecificSupport(VERSION_1_1, PatternStatementRFC7950Support.getInstance())
 231             .addVersionSpecificSupport(VERSION_1_1, ModifierStatementSupport.getInstance())
 232             .addSupport(RangeStatementSupport.getInstance())
 233             .addSupport(KeyStatementSupport.getInstance())
 234             .addVersionSpecificSupport(VERSION_1, ContainerStatementSupport.rfc6020Instance())
 235             .addVersionSpecificSupport(VERSION_1_1, ContainerStatementSupport.rfc7950Instance())
 236             .addVersionSpecificSupport(VERSION_1, GroupingStatementSupport.rfc6020Instance())
 237             .addVersionSpecificSupport(VERSION_1_1, GroupingStatementSupport.rfc7950Instance())
 238             .addVersionSpecificSupport(VERSION_1, ListStatementRFC6020Support.getInstance())
 239             .addVersionSpecificSupport(VERSION_1_1, ListStatementRFC7950Support.getInstance())
 240             .addSupport(ConfigListWarningNamespace.BEHAVIOUR)
 241             .addSupport(UniqueStatementSupport.getInstance())
 242             .addVersionSpecificSupport(VERSION_1_1, ActionStatementSupport.getInstance())
 243             .addVersionSpecificSupport(VERSION_1, RpcStatementSupport.rfc6020Instance())
 244             .addVersionSpecificSupport(VERSION_1_1, RpcStatementSupport.rfc7950Instance())
 245             .addVersionSpecificSupport(VERSION_1, InputStatementSupport.rfc6020Instance())
 246             .addVersionSpecificSupport(VERSION_1_1, InputStatementSupport.rfc7950Instance())
 247             .addVersionSpecificSupport(VERSION_1, OutputStatementSupport.rfc6020Instance())
 248             .addVersionSpecificSupport(VERSION_1_1, OutputStatementSupport.rfc7950Instance())
 249             .addVersionSpecificSupport(VERSION_1, NotificationStatementRFC6020Support.getInstance())
 250             .addVersionSpecificSupport(VERSION_1_1, NotificationStatementRFC7950Support.getInstance())
 251             .addSupport(FractionDigitsStatementSupport.getInstance())
 252             .addSupport(BaseStatementSupport.getInstance())
 253             .addSupport(StatementDefinitionNamespace.BEHAVIOUR)
 254             .build();
 255
 256
 257     private RFC7950Reactors() {
 258         // Hidden on purpose
 259     }
 260
 261     /**
 262      * Returns a pre-built {@link CrossSourceStatementReactor} supporting RFC6020 and RFC7950, along with OpenConfig
 263      * semantic version extension. This is useful for parsing near-vanilla YANG models while providing complete
 264      * support for semantic versions.
 265      *
 266      * @return A shared reactor instance.
 267      */
 268     public static @NonNull CrossSourceStatementReactor defaultReactor() {
 269         return ServiceLoaderState.DefaultReactor.INSTANCE;
 270     }
 271
 272     /**
 273      * Returns a partially-configured {@link CustomCrossSourceStatementReactorBuilder}, with RFC6020/RFC7950
 274      * and OpenConfig semantic version support enabled.
 275      *
 276      * @return A new {@link CustomCrossSourceStatementReactorBuilder}.
 277      */
 278     public static @NonNull CustomCrossSourceStatementReactorBuilder defaultReactorBuilder() {
 279         return addExtensions(vanillaReactorBuilder());
 280     }
 281
 282     public static @NonNull CustomCrossSourceStatementReactorBuilder defaultReactorBuilder(
 283             final YangXPathParserFactory xpathFactory) {
 284         return addExtensions(vanillaReactorBuilder(xpathFactory));
 285     }
 286
 287     private static @NonNull CustomCrossSourceStatementReactorBuilder addExtensions(
 288             final @NonNull CustomCrossSourceStatementReactorBuilder builder) {
 289         return builder
 290                 // Semantic version support
 291                 .addStatementSupport(ModelProcessingPhase.SOURCE_LINKAGE, OpenConfigVersionSupport.getInstance())
 292                 .addNamespaceSupport(ModelProcessingPhase.SOURCE_LINKAGE, SemanticVersionNamespace.BEHAVIOUR)
 293                 .addNamespaceSupport(ModelProcessingPhase.SOURCE_LINKAGE, SemanticVersionModuleNamespace.BEHAVIOUR)
 294                 .addNamespaceSupport(ModelProcessingPhase.SOURCE_LINKAGE,
 295                     ImportPrefixToSemVerSourceIdentifier.BEHAVIOUR);
 296     }
 297
 298     /**
 299      * Returns a pre-built {@link CrossSourceStatementReactor} supporting both RFC6020 and RFC7950. This is useful
 300      * for parsing vanilla YANG models without any semantic support for extensions. Notably missing is the semantic
 301      * version extension, hence attempts to use semantic version mode will cause failures.
 302      *
 303      * @return A shared reactor instance.
 304      */
 305     public static @NonNull CrossSourceStatementReactor vanillaReactor() {
 306         return ServiceLoaderState.VanillaReactor.INSTANCE;
 307     }
 308
 309     /**
 310      * Returns a partially-configured {@link CustomCrossSourceStatementReactorBuilder}, with vanilla RFC6020/RFC7950
 311      * support enabled.
 312      *
 313      * @return A new {@link CustomCrossSourceStatementReactorBuilder}.
 314      */
 315     public static @NonNull CustomCrossSourceStatementReactorBuilder vanillaReactorBuilder() {
 316         return vanillaReactorBuilder(ServiceLoaderState.XPath.INSTANCE);
 317     }
 318
 319     public static @NonNull CustomCrossSourceStatementReactorBuilder vanillaReactorBuilder(
 320             final @NonNull YangXPathParserFactory xpathFactory) {
 321         return vanillaReactorBuilder(new XPathSupport(xpathFactory));
 322     }
 323
 324     private static @NonNull CustomCrossSourceStatementReactorBuilder vanillaReactorBuilder(
 325             final @NonNull XPathSupport xpathSupport) {
 326         final StatementSupportBundle fullDeclarationBundle = fullDeclarationBundle(xpathSupport);
 327         return new CustomCrossSourceStatementReactorBuilder(SUPPORTED_VERSIONS)
 328                 .addAllSupports(ModelProcessingPhase.INIT, INIT_BUNDLE)
 329                 .addAllSupports(ModelProcessingPhase.SOURCE_PRE_LINKAGE, PRE_LINKAGE_BUNDLE)
 330                 .addAllSupports(ModelProcessingPhase.SOURCE_LINKAGE, LINKAGE_BUNDLE)
 331                 .addAllSupports(ModelProcessingPhase.STATEMENT_DEFINITION, STMT_DEF_BUNDLE)
 332                 .addAllSupports(ModelProcessingPhase.FULL_DECLARATION, fullDeclarationBundle)
 333                 .addAllSupports(ModelProcessingPhase.EFFECTIVE_MODEL, fullDeclarationBundle)
 334                 .addValidationBundle(ValidationBundleType.SUPPORTED_REFINE_SUBSTATEMENTS,
 335                     YangValidationBundles.SUPPORTED_REFINE_SUBSTATEMENTS)
 336                 .addValidationBundle(ValidationBundleType.SUPPORTED_AUGMENT_TARGETS,
 337                     YangValidationBundles.SUPPORTED_AUGMENT_TARGETS)
 338
 339                 // FIXME: 7.0.0: we do not seem to need this validation bundle
 340                 .addValidationBundle(ValidationBundleType.SUPPORTED_CASE_SHORTHANDS,
 341                     YangValidationBundles.SUPPORTED_CASE_SHORTHANDS)
 342
 343                 .addValidationBundle(ValidationBundleType.SUPPORTED_DATA_NODES,
 344                     YangValidationBundles.SUPPORTED_DATA_NODES);
 345     }
 346
 347     private static @NonNull StatementSupportBundle fullDeclarationBundle(final XPathSupport xpathSupport) {
 348         return StatementSupportBundle
 349             .derivedFrom(STMT_DEF_BUNDLE)
 350             .addSupport(LeafStatementSupport.getInstance())
 351             .addSupport(ConfigStatementSupport.getInstance())
 352             .addSupport(DeviationStatementSupport.getInstance())
 353             .addVersionSpecificSupport(VERSION_1, DeviateStatementRFC6020Support.getInstance())
 354             .addVersionSpecificSupport(VERSION_1_1, DeviateStatementRFC7950Support.getInstance())
 355             .addVersionSpecificSupport(VERSION_1, ChoiceStatementSupport.rfc6020Instance())
 356             .addVersionSpecificSupport(VERSION_1_1, ChoiceStatementSupport.rfc7950Instance())
 357             .addVersionSpecificSupport(VERSION_1, CaseStatementSupport.rfc6020Instance())
 358             .addVersionSpecificSupport(VERSION_1_1, CaseStatementSupport.rfc7950Instance())
 359             .addSupport(MustStatementSupport.createInstance(xpathSupport))
 360             .addSupport(MandatoryStatementSupport.getInstance())
 361             .addSupport(AnyxmlStatementSupport.getInstance())
 362             .addVersionSpecificSupport(VERSION_1_1, AnydataStatementSupport.getInstance())
 363             .addSupport(FeatureNamespace.BEHAVIOUR)
 364             .addVersionSpecificSupport(VERSION_1, IfFeatureStatementRFC6020Support.getInstance())
 365             .addVersionSpecificSupport(VERSION_1_1, IfFeatureStatementRFC7950Support.getInstance())
 366             .addSupport(GroupingNamespace.BEHAVIOUR)
 367             .addSupport(SourceGroupingNamespace.BEHAVIOUR)
 368             .addSupport(UsesStatementSupport.getInstance())
 369             .addSupport(ErrorMessageStatementSupport.getInstance())
 370             .addSupport(ErrorAppTagStatementSupport.getInstance())
 371             .addVersionSpecificSupport(VERSION_1, LeafListStatementRFC6020Support.getInstance())
 372             .addVersionSpecificSupport(VERSION_1_1, LeafListStatementRFC7950Support.getInstance())
 373             .addSupport(PresenceStatementSupport.getInstance())
 374             .addSupport(MaxElementsStatementSupport.getInstance())
 375             .addSupport(MinElementsStatementSupport.getInstance())
 376             .addSupport(OrderedByStatementSupport.getInstance())
 377             .addSupport(WhenStatementSupport.createInstance(xpathSupport))
 378             .addSupport(AugmentImplicitHandlingNamespace.BEHAVIOUR)
 379             .addVersionSpecificSupport(VERSION_1, AugmentStatementRFC6020Support.getInstance())
 380             .addVersionSpecificSupport(VERSION_1_1, AugmentStatementRFC7950Support.getInstance())
 381             .addVersionSpecificSupport(VERSION_1, RefineStatementSupport.rfc6020Instance())
 382             .addVersionSpecificSupport(VERSION_1_1, RefineStatementSupport.rfc7950Instance())
 383             .addSupport(FeatureStatementSupport.getInstance())
 384             .addSupport(PositionStatementSupport.getInstance())
 385             .addSupport(ValueStatementSupport.getInstance())
 386             .addSupport(YangNamespaceContextNamespace.BEHAVIOUR)
 387             .build();
 388     }
 389 }