*/
package org.opendaylight.yangtools.yang.parser.rfc7950.stmt;
-import static com.google.common.base.Preconditions.checkState;
+import static com.google.common.base.Verify.verifyNotNull;
import static java.util.Objects.requireNonNull;
import com.google.common.annotations.Beta;
import com.google.common.base.MoreObjects;
-import com.google.common.base.Verify;
+import com.google.common.collect.Collections2;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableMap.Builder;
import com.google.common.collect.ImmutableSet;
-import com.google.common.collect.Iterables;
-import java.net.URI;
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.LinkedHashMap;
+import java.util.Collection;
import java.util.LinkedHashSet;
-import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
-import java.util.stream.Collectors;
import org.eclipse.jdt.annotation.NonNull;
import org.opendaylight.yangtools.concepts.SemVer;
import org.opendaylight.yangtools.openconfig.model.api.OpenConfigVersionEffectiveStatement;
import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.common.Revision;
+import org.opendaylight.yangtools.yang.common.UnqualifiedQName;
import org.opendaylight.yangtools.yang.common.YangVersion;
import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
import org.opendaylight.yangtools.yang.model.api.Deviation;
import org.opendaylight.yangtools.yang.model.api.ExtensionDefinition;
import org.opendaylight.yangtools.yang.model.api.FeatureDefinition;
import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
-import org.opendaylight.yangtools.yang.model.api.Module;
import org.opendaylight.yangtools.yang.model.api.ModuleImport;
+import org.opendaylight.yangtools.yang.model.api.ModuleLike;
import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
-import org.opendaylight.yangtools.yang.model.api.SchemaNode;
import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
import org.opendaylight.yangtools.yang.model.api.UsesNode;
-import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
-import org.opendaylight.yangtools.yang.model.api.stmt.BelongsToEffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.meta.IdentifierNamespace;
import org.opendaylight.yangtools.yang.model.api.stmt.ContactEffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.DataTreeAwareEffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.ImportEffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.ModuleEffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.OrganizationEffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.PrefixEffectiveStatement;
-import org.opendaylight.yangtools.yang.model.api.stmt.SubmoduleEffectiveStatement;
-import org.opendaylight.yangtools.yang.model.api.stmt.SubmoduleStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.PrefixStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.SchemaTreeAwareEffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.SchemaTreeEffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.TypedefEffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.YangVersionEffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.compat.NotificationNodeContainerCompat;
-import org.opendaylight.yangtools.yang.parser.spi.meta.MutableStatement;
+import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.AbstractDeclaredEffectiveStatement.DefaultWithDataTree.WithSubstatements;
+import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.DocumentedNodeMixin;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
-import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
-import org.opendaylight.yangtools.yang.parser.spi.source.IncludedSubmoduleNameToModuleCtx;
+import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
+import org.opendaylight.yangtools.yang.parser.spi.source.ImportPrefixToModuleCtx;
import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
@Beta
-public abstract class AbstractEffectiveModule<D extends DeclaredStatement<String>> extends
- AbstractSchemaEffectiveDocumentedNode<String, D> implements Module, MutableStatement,
- NotificationNodeContainerCompat<String, D> {
- private final String name;
+public abstract class AbstractEffectiveModule<D extends DeclaredStatement<UnqualifiedQName>,
+ E extends DataTreeAwareEffectiveStatement<UnqualifiedQName, D>>
+ extends WithSubstatements<UnqualifiedQName, D, E>
+ implements ModuleLike, DocumentedNodeMixin<UnqualifiedQName, D>,
+ NotificationNodeContainerCompat<UnqualifiedQName, D, E> {
private final String prefix;
- private final YangVersion yangVersion;
- private final String organization;
- private final String contact;
- private final ImmutableSet<ModuleImport> imports;
- private final ImmutableSet<FeatureDefinition> features;
- private final @NonNull ImmutableSet<NotificationDefinition> notifications;
- private final ImmutableSet<AugmentationSchemaNode> augmentations;
- private final ImmutableSet<RpcDefinition> rpcs;
- private final ImmutableSet<Deviation> deviations;
- private final ImmutableList<ExtensionDefinition> extensionNodes;
- private final ImmutableSet<IdentitySchemaNode> identities;
- private final @NonNull ImmutableList<UnknownSchemaNode> unknownNodes;
- private final ImmutableMap<QName, DataSchemaNode> childNodes;
private final ImmutableSet<GroupingDefinition> groupings;
private final ImmutableSet<UsesNode> uses;
private final ImmutableSet<TypeDefinition<?>> typeDefinitions;
- private final ImmutableSet<DataSchemaNode> publicChildNodes;
- private final SemVer semanticVersion;
-
- private Set<StmtContext<?, SubmoduleStatement, EffectiveStatement<String, SubmoduleStatement>>>
- submoduleContextsToBuild;
- private ImmutableSet<Module> submodules;
- private boolean sealed;
-
- protected AbstractEffectiveModule(final StmtContext<String, D, ? extends EffectiveStatement<String, ?>> ctx) {
- super(ctx);
-
- this.name = argument();
-
- final EffectiveStatement<?, ?> parentOfPrefix;
- if (ctx.getPublicDefinition() == YangStmtMapping.SUBMODULE) {
- final Optional<BelongsToEffectiveStatement> optParent =
- findFirstEffectiveSubstatement(BelongsToEffectiveStatement.class);
- SourceException.throwIf(!optParent.isPresent(), ctx.getStatementSourceReference(),
- "Unable to find belongs-to statement in submodule %s.", ctx.getStatementArgument());
- parentOfPrefix = optParent.get();
- } else {
- parentOfPrefix = this;
- }
+ private final ImmutableMap<QName, SchemaTreeEffectiveStatement<?>> schemaTreeNamespace;
- final Optional<@NonNull PrefixEffectiveStatement> prefixStmt = parentOfPrefix.findFirstEffectiveSubstatement(
- PrefixEffectiveStatement.class);
- SourceException.throwIf(!prefixStmt.isPresent(), ctx.getStatementSourceReference(),
- "Unable to resolve prefix for module or submodule %s.", ctx.getStatementArgument());
- this.prefix = prefixStmt.get().argument();
- this.yangVersion = findFirstEffectiveSubstatementArgument(YangVersionEffectiveStatement.class)
- .orElse(YangVersion.VERSION_1);
- this.semanticVersion = findFirstEffectiveSubstatementArgument(OpenConfigVersionEffectiveStatement.class)
- .orElse(null);
- this.organization = findFirstEffectiveSubstatementArgument(OrganizationEffectiveStatement.class)
- .orElse(null);
- this.contact = findFirstEffectiveSubstatementArgument(ContactEffectiveStatement.class)
- .orElse(null);
-
- // init submodules and substatements of submodules
- final List<EffectiveStatement<?, ?>> substatementsOfSubmodules;
- final Map<String, StmtContext<?, ?, ?>> includedSubmodulesMap = ctx
- .getAllFromCurrentStmtCtxNamespace(IncludedSubmoduleNameToModuleCtx.class);
-
- if (includedSubmodulesMap == null || includedSubmodulesMap.isEmpty()) {
- this.submodules = ImmutableSet.of();
- this.submoduleContextsToBuild = ImmutableSet.of();
- substatementsOfSubmodules = ImmutableList.of();
- } else if (YangStmtMapping.MODULE.equals(ctx.getPublicDefinition())) {
- /*
- * Aggregation of substatements from submodules should be done only
- * for modules. In case of submodules it does not make sense because
- * of possible circular chains of includes between submodules.
- */
- final Set<Module> submodulesInit = new HashSet<>();
- final List<EffectiveStatement<?, ?>> substatementsOfSubmodulesInit = new ArrayList<>();
- for (final StmtContext<?, ?, ?> submoduleCtx : includedSubmodulesMap.values()) {
- final EffectiveStatement<?, ?> submodule = submoduleCtx.buildEffective();
- Verify.verify(submodule instanceof SubmoduleEffectiveStatement);
- Verify.verify(submodule instanceof Module, "Submodule statement %s is not a Module", submodule);
- submodulesInit.add((Module) submodule);
- substatementsOfSubmodulesInit.addAll(submodule.effectiveSubstatements().stream()
- .filter(sub -> sub instanceof SchemaNode || sub instanceof DataNodeContainer)
- .collect(Collectors.toList()));
- }
+ protected AbstractEffectiveModule(final D declared,
+ final StmtContext<UnqualifiedQName, D, ? extends EffectiveStatement<UnqualifiedQName, ?>> ctx,
+ final ImmutableList<? extends EffectiveStatement<?, ?>> substatements, final String prefix) {
+ super(declared, ctx, substatements);
- this.submodules = ImmutableSet.copyOf(submodulesInit);
- this.submoduleContextsToBuild = ImmutableSet.of();
- substatementsOfSubmodules = ImmutableList.copyOf(substatementsOfSubmodulesInit);
- } else {
- /*
- * Because of possible circular chains of includes between submodules we can
- * collect only submodule contexts here and then build them during
- * sealing of this statement.
- */
- final Set<StmtContext<?, SubmoduleStatement, EffectiveStatement<String, SubmoduleStatement>>>
- submoduleContextsInit = new HashSet<>();
- for (final StmtContext<?, ?, ?> submoduleCtx : includedSubmodulesMap.values()) {
- submoduleContextsInit.add(
- (StmtContext<?, SubmoduleStatement, EffectiveStatement<String, SubmoduleStatement>>)submoduleCtx);
- }
+ // This check is rather weird, but comes from our desire to lower memory footprint while providing both
+ // EffectiveStatements and SchemaNode interfaces -- which do not overlap completely where child lookups are
+ // concerned. This ensures that we have SchemaTree index available for use with child lookups.
+ final Map<QName, SchemaTreeEffectiveStatement<?>> schemaTree =
+ createSchemaTreeNamespace(ctx.getStatementSourceReference(), effectiveSubstatements());
+ schemaTreeNamespace = ImmutableMap.copyOf(schemaTree);
- this.submoduleContextsToBuild = ImmutableSet.copyOf(submoduleContextsInit);
- substatementsOfSubmodules = ImmutableList.of();
- }
+ // Data tree check, not currently used
+ createDataTreeNamespace(ctx.getStatementSourceReference(), schemaTree.values(), schemaTreeNamespace);
- if (!submoduleContextsToBuild.isEmpty()) {
- ((Mutable<?, ?, ?>) ctx).addMutableStmtToSeal(this);
- sealed = false;
- } else {
- sealed = true;
- }
+ this.prefix = requireNonNull(prefix);
- // init substatements collections
- final List<EffectiveStatement<?, ?>> effectiveSubstatements = new ArrayList<>();
- effectiveSubstatements.addAll(effectiveSubstatements());
- effectiveSubstatements.addAll(substatementsOfSubmodules);
-
- final List<UnknownSchemaNode> unknownNodesInit = new ArrayList<>();
- final Set<AugmentationSchemaNode> augmentationsInit = new LinkedHashSet<>();
- final Set<ModuleImport> importsInit = new HashSet<>();
- final Set<NotificationDefinition> notificationsInit = new HashSet<>();
- final Set<RpcDefinition> rpcsInit = new HashSet<>();
- final Set<Deviation> deviationsInit = new HashSet<>();
- final Set<IdentitySchemaNode> identitiesInit = new HashSet<>();
- final Set<FeatureDefinition> featuresInit = new HashSet<>();
- final List<ExtensionDefinition> extensionNodesInit = new ArrayList<>();
-
- final Map<QName, DataSchemaNode> mutableChildNodes = new LinkedHashMap<>();
- final Set<GroupingDefinition> mutableGroupings = new HashSet<>();
- final Set<UsesNode> mutableUses = new HashSet<>();
+ final Set<GroupingDefinition> mutableGroupings = new LinkedHashSet<>();
+ final Set<UsesNode> mutableUses = new LinkedHashSet<>();
final Set<TypeDefinition<?>> mutableTypeDefinitions = new LinkedHashSet<>();
- final Set<DataSchemaNode> mutablePublicChildNodes = new LinkedHashSet<>();
- for (final EffectiveStatement<?, ?> effectiveStatement : effectiveSubstatements) {
- if (effectiveStatement instanceof UnknownSchemaNode) {
- unknownNodesInit.add((UnknownSchemaNode) effectiveStatement);
- }
- if (effectiveStatement instanceof AugmentationSchemaNode) {
- augmentationsInit.add((AugmentationSchemaNode) effectiveStatement);
- }
- if (effectiveStatement instanceof ModuleImport) {
- importsInit.add((ModuleImport) effectiveStatement);
- }
- if (effectiveStatement instanceof NotificationDefinition) {
- notificationsInit.add((NotificationDefinition) effectiveStatement);
- }
- if (effectiveStatement instanceof RpcDefinition) {
- rpcsInit.add((RpcDefinition) effectiveStatement);
- }
- if (effectiveStatement instanceof Deviation) {
- deviationsInit.add((Deviation) effectiveStatement);
- }
- if (effectiveStatement instanceof IdentitySchemaNode) {
- identitiesInit.add((IdentitySchemaNode) effectiveStatement);
- }
- if (effectiveStatement instanceof FeatureDefinition) {
- featuresInit.add((FeatureDefinition) effectiveStatement);
- }
- if (effectiveStatement instanceof ExtensionDefinition) {
- extensionNodesInit.add((ExtensionDefinition) effectiveStatement);
- }
- if (effectiveStatement instanceof DataSchemaNode) {
- final DataSchemaNode dataSchemaNode = (DataSchemaNode) effectiveStatement;
- if (!mutableChildNodes.containsKey(dataSchemaNode.getQName())) {
- mutableChildNodes.put(dataSchemaNode.getQName(), dataSchemaNode);
- mutablePublicChildNodes.add(dataSchemaNode);
- } else {
- throw EffectiveStmtUtils.createNameCollisionSourceException(ctx, effectiveStatement);
- }
- }
- if (effectiveStatement instanceof UsesNode) {
- final UsesNode usesNode = (UsesNode) effectiveStatement;
- if (!mutableUses.contains(usesNode)) {
- mutableUses.add(usesNode);
- } else {
- throw EffectiveStmtUtils.createNameCollisionSourceException(ctx, effectiveStatement);
- }
+ for (final EffectiveStatement<?, ?> effectiveStatement : effectiveSubstatements()) {
+ if (effectiveStatement instanceof UsesNode && !mutableUses.add((UsesNode) effectiveStatement)) {
+ throw EffectiveStmtUtils.createNameCollisionSourceException(ctx, effectiveStatement);
}
if (effectiveStatement instanceof TypedefEffectiveStatement) {
- final TypedefEffectiveStatement typeDef = (TypedefEffectiveStatement) effectiveStatement;
- final TypeDefinition<?> type = typeDef.getTypeDefinition();
- if (!mutableTypeDefinitions.contains(type)) {
- mutableTypeDefinitions.add(type);
- } else {
+ final TypeDefinition<?> type = ((TypedefEffectiveStatement) effectiveStatement).getTypeDefinition();
+ if (!mutableTypeDefinitions.add(type)) {
throw EffectiveStmtUtils.createNameCollisionSourceException(ctx, effectiveStatement);
}
}
- if (effectiveStatement instanceof GroupingDefinition) {
- final GroupingDefinition grp = (GroupingDefinition) effectiveStatement;
- if (!mutableGroupings.contains(grp)) {
- mutableGroupings.add(grp);
- } else {
- throw EffectiveStmtUtils.createNameCollisionSourceException(ctx, effectiveStatement);
- }
+ if (effectiveStatement instanceof GroupingDefinition
+ && !mutableGroupings.add((GroupingDefinition) effectiveStatement)) {
+ throw EffectiveStmtUtils.createNameCollisionSourceException(ctx, effectiveStatement);
}
}
- this.unknownNodes = ImmutableList.copyOf(unknownNodesInit);
- this.augmentations = ImmutableSet.copyOf(augmentationsInit);
- this.imports = ImmutableSet.copyOf(importsInit);
- this.notifications = ImmutableSet.copyOf(notificationsInit);
- this.rpcs = ImmutableSet.copyOf(rpcsInit);
- this.deviations = ImmutableSet.copyOf(deviationsInit);
- this.identities = ImmutableSet.copyOf(identitiesInit);
- this.features = ImmutableSet.copyOf(featuresInit);
- this.extensionNodes = ImmutableList.copyOf(extensionNodesInit);
-
- this.childNodes = ImmutableMap.copyOf(mutableChildNodes);
this.groupings = ImmutableSet.copyOf(mutableGroupings);
- this.publicChildNodes = ImmutableSet.copyOf(mutablePublicChildNodes);
this.typeDefinitions = ImmutableSet.copyOf(mutableTypeDefinitions);
this.uses = ImmutableSet.copyOf(mutableUses);
-
}
@Override
- public URI getNamespace() {
- return getQNameModule().getNamespace();
+ public UnqualifiedQName argument() {
+ return getDeclared().argument();
}
@Override
public String getName() {
- return name;
- }
-
- @Override
- public Optional<Revision> getRevision() {
- return getQNameModule().getRevision();
+ return argument().getLocalName();
}
@Override
@Override
public YangVersion getYangVersion() {
- return yangVersion;
+ return findFirstEffectiveSubstatementArgument(YangVersionEffectiveStatement.class)
+ .orElse(YangVersion.VERSION_1);
}
@Override
public Optional<String> getOrganization() {
- return Optional.ofNullable(organization);
+ return findFirstEffectiveSubstatementArgument(OrganizationEffectiveStatement.class);
}
@Override
public Optional<String> getContact() {
- return Optional.ofNullable(contact);
- }
-
- @Override
- public Set<ModuleImport> getImports() {
- return imports;
- }
-
- @Override
- public Set<Module> getSubmodules() {
- checkState(sealed, "Attempt to get base submodules from unsealed submodule effective statement %s",
- getQNameModule());
- return submodules;
+ return findFirstEffectiveSubstatementArgument(ContactEffectiveStatement.class);
}
@Override
- public Set<FeatureDefinition> getFeatures() {
- return features;
+ public Collection<? extends @NonNull ModuleImport> getImports() {
+ return filterSubstatements(ModuleImport.class);
}
@Override
- public Set<NotificationDefinition> getNotifications() {
- return notifications;
+ public Collection<? extends @NonNull FeatureDefinition> getFeatures() {
+ return filterSubstatements(FeatureDefinition.class);
}
@Override
- public Set<AugmentationSchemaNode> getAugmentations() {
- return augmentations;
+ public Collection<? extends @NonNull NotificationDefinition> getNotifications() {
+ return filterSubstatements(NotificationDefinition.class);
}
@Override
- public Set<RpcDefinition> getRpcs() {
- return rpcs;
+ public Collection<? extends @NonNull AugmentationSchemaNode> getAugmentations() {
+ return filterSubstatements(AugmentationSchemaNode.class);
}
@Override
- public Set<Deviation> getDeviations() {
- return deviations;
+ public Collection<? extends @NonNull RpcDefinition> getRpcs() {
+ return filterSubstatements(RpcDefinition.class);
}
@Override
- public List<ExtensionDefinition> getExtensionSchemaNodes() {
- return extensionNodes;
+ public Collection<? extends @NonNull Deviation> getDeviations() {
+ return filterSubstatements(Deviation.class);
}
@Override
- public Set<IdentitySchemaNode> getIdentities() {
- return identities;
+ public Collection<? extends @NonNull ExtensionDefinition> getExtensionSchemaNodes() {
+ return filterSubstatements(ExtensionDefinition.class);
}
@Override
- public List<UnknownSchemaNode> getUnknownSchemaNodes() {
- return unknownNodes;
+ public Collection<? extends @NonNull IdentitySchemaNode> getIdentities() {
+ return filterSubstatements(IdentitySchemaNode.class);
}
@Override
- public final Set<TypeDefinition<?>> getTypeDefinitions() {
+ public final Collection<? extends TypeDefinition<?>> getTypeDefinitions() {
return typeDefinitions;
}
@Override
- public final Set<DataSchemaNode> getChildNodes() {
- return publicChildNodes;
+ public final Collection<? extends DataSchemaNode> getChildNodes() {
+ return filterSubstatements(DataSchemaNode.class);
}
@Override
- public final Set<GroupingDefinition> getGroupings() {
+ public final Collection<? extends GroupingDefinition> getGroupings() {
return groupings;
}
@Override
@SuppressWarnings("checkstyle:hiddenField")
public final Optional<DataSchemaNode> findDataChildByName(final QName name) {
- // Child nodes are keyed by their container name, so we can do a direct lookup
- return Optional.ofNullable(childNodes.get(requireNonNull(name)));
+ final SchemaTreeEffectiveStatement<?> child = schemaTreeNamespace.get(requireNonNull(name));
+ return child instanceof DataSchemaNode ? Optional.of((DataSchemaNode) child) : Optional.empty();
}
@Override
- public Set<UsesNode> getUses() {
+ public Collection<? extends UsesNode> getUses() {
return uses;
}
@Override
public Optional<SemVer> getSemanticVersion() {
- return Optional.ofNullable(semanticVersion);
+ return findFirstEffectiveSubstatementArgument(OpenConfigVersionEffectiveStatement.class);
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ protected <K, V, N extends IdentifierNamespace<K, V>> Optional<? extends Map<K, V>> getNamespaceContents(
+ final Class<N> namespace) {
+ if (SchemaTreeAwareEffectiveStatement.Namespace.class.equals(namespace)) {
+ return Optional.of((Map<K, V>) schemaTreeNamespace);
+ }
+ return super.getNamespaceContents(namespace);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this).omitNullValues()
- .add("name", name)
+ .add("name", getName())
.add("namespace", getNamespace())
.add("revision", getRevision().orElse(null))
.add("prefix", prefix)
- .add("yangVersion", yangVersion)
+ .add("yangVersion", getYangVersion())
.toString();
}
- @Override
- public void seal() {
- if (!sealed) {
- submodules = ImmutableSet.copyOf(Iterables.transform(submoduleContextsToBuild,
- ctx -> (Module) ctx.buildEffective()));
- submoduleContextsToBuild = ImmutableSet.of();
- sealed = true;
- }
+ protected static final @NonNull String findPrefix(final @NonNull StmtContext<?, ?, ?> ctx,
+ final String type, final String name) {
+ return SourceException.throwIfNull(
+ StmtContextUtils.firstAttributeOf(ctx.declaredSubstatements(), PrefixStatement.class),
+ ctx.getStatementSourceReference(), "Unable to resolve prefix for %s %s.", type, name);
+ }
+
+ // Alright. this is quite ugly
+ protected final void appendPrefixes(final StmtContext<?, ?, ?> ctx,
+ final Builder<String, ModuleEffectiveStatement> builder) {
+ streamEffectiveSubstatements(ImportEffectiveStatement.class)
+ .map(imp -> imp.findFirstEffectiveSubstatementArgument(PrefixEffectiveStatement.class).get())
+ .forEach(pfx -> {
+ final StmtContext<?, ?, ?> importedCtx =
+ verifyNotNull(ctx.getFromNamespace(ImportPrefixToModuleCtx.class, pfx),
+ "Failed to resolve prefix %s", pfx);
+ builder.put(pfx, (ModuleEffectiveStatement) importedCtx.buildEffective());
+ });
+ }
+
+ @SuppressWarnings("unchecked")
+ private <T> @NonNull Collection<? extends T> filterSubstatements(final Class<T> type) {
+ return (Collection<? extends T>) Collections2.filter(effectiveSubstatements(), type::isInstance);
}
}