*/
package org.opendaylight.yangtools.yang.parser.stmt.reactor;
-import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.base.Verify;
+import com.google.common.collect.ImmutableSet;
+import java.util.ArrayList;
import java.util.Collection;
-import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.util.OptionalBoolean;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.common.QNameModule;
+import org.opendaylight.yangtools.yang.common.YangVersion;
+import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+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.meta.StatementDefinition;
import org.opendaylight.yangtools.yang.model.api.stmt.AugmentStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.ChoiceStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.ConfigStatement;
-import org.opendaylight.yangtools.yang.model.api.stmt.KeyStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.DeviationStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.RefineStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
import org.opendaylight.yangtools.yang.model.api.stmt.UsesStatement;
+import org.opendaylight.yangtools.yang.parser.spi.meta.CopyType;
import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
+import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
+import org.opendaylight.yangtools.yang.parser.spi.meta.MutableStatement;
import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour.NamespaceStorageNode;
import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour.Registry;
-import org.opendaylight.yangtools.yang.parser.spi.meta.QNameCacheNamespace;
+import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour.StorageNodeType;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
import org.opendaylight.yangtools.yang.parser.spi.source.AugmentToChoiceNamespace;
+import org.opendaylight.yangtools.yang.parser.spi.source.StatementSourceReference;
import org.opendaylight.yangtools.yang.parser.spi.validation.ValidationBundlesNamespace;
import org.opendaylight.yangtools.yang.parser.spi.validation.ValidationBundlesNamespace.ValidationBundleType;
-import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.GroupingUtils;
-import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.Utils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
-final class SubstatementContext<A, D extends DeclaredStatement<A>, E extends EffectiveStatement<A, D>>
- extends StatementContextBase<A, D, E> {
+final class SubstatementContext<A, D extends DeclaredStatement<A>, E extends EffectiveStatement<A, D>> extends
+ StatementContextBase<A, D, E> {
+ private static final Logger LOG = LoggerFactory.getLogger(SubstatementContext.class);
private final StatementContextBase<?, ?, ?> parent;
private final A argument;
- private volatile SchemaPath schemaPath;
- SubstatementContext(final StatementContextBase<?, ?, ?> parent, final ContextBuilder<A, D, E> builder) {
- super(builder);
- this.parent = Preconditions.checkNotNull(parent, "Parent must not be null");
- this.argument = builder.getDefinition().parseArgumentValue(this, builder.getRawArgument());
- }
-
- @SuppressWarnings("unchecked")
- SubstatementContext(final SubstatementContext<A, D, E> original,
- final QNameModule newQNameModule,
- final StatementContextBase<?, ?, ?> newParent, final TypeOfCopy typeOfCopy) {
- super(original);
- this.parent = newParent;
-
- if (newQNameModule != null) {
- if (original.argument instanceof QName) {
- QName originalQName = (QName) original.argument;
- this.argument = (A)
- getFromNamespace(QNameCacheNamespace.class,
- QName.create(newQNameModule, originalQName.getLocalName()));
- } else if (StmtContextUtils.producesDeclared(original, KeyStatement.class)) {
- this.argument = (A) StmtContextUtils.replaceModuleQNameForKey(
- (StmtContext<Collection<SchemaNodeIdentifier>, KeyStatement, ?>) original,
- newQNameModule);
- } else {
- this.argument = original.argument;
- }
- } else {
- this.argument = original.argument;
- }
- }
+ /**
+ * config statements are not all that common which means we are performing a recursive search towards the root
+ * every time {@link #isConfiguration()} is invoked. This is quite expensive because it causes a linear search
+ * for the (usually non-existent) config statement.
+ *
+ * This field maintains a resolution cache, so once we have returned a result, we will keep on returning the same
+ * result without performing any lookups.
+ */
+ // BooleanField value
+ private byte configuration;
+
+ /**
+ * This field maintains a resolution cache for ignore config, so once we have returned a result, we will
+ * keep on returning the same result without performing any lookups.
+ */
+ // BooleanField value
+ private byte ignoreConfig;
+
+ /**
+ * This field maintains a resolution cache for ignore if-feature, so once we have returned a result, we will
+ * keep on returning the same result without performing any lookups.
+ */
+ // BooleanField value
+ private byte ignoreIfFeature;
+ private volatile SchemaPath schemaPath;
- private void copyDeclaredStmts(final SubstatementContext<A, D, E> original,
- final QNameModule newQNameModule, final TypeOfCopy typeOfCopy) {
- Collection<? extends StatementContextBase<?, ?, ?>> originalDeclaredSubstatements = original
- .declaredSubstatements();
- for (StatementContextBase<?, ?, ?> stmtContext : originalDeclaredSubstatements) {
- if (GroupingUtils.needToCopyByUses(stmtContext)) {
- StatementContextBase<?, ?, ?> copy = stmtContext.createCopy(
- newQNameModule, this, typeOfCopy);
- this.addEffectiveSubstatement(copy);
- } else if (GroupingUtils.isReusedByUses(stmtContext)) {
- this.addEffectiveSubstatement(stmtContext);
- }
- }
+ SubstatementContext(final StatementContextBase<?, ?, ?> parent, final StatementDefinitionContext<A, D, E> def,
+ final StatementSourceReference ref, final String rawArgument) {
+ super(def, ref, rawArgument);
+ this.parent = Preconditions.checkNotNull(parent, "Parent must not be null");
+ this.argument = def.parseArgumentValue(this, rawStatementArgument());
}
- private void copyEffectiveStmts(final SubstatementContext<A, D, E> original,
- final QNameModule newQNameModule, final TypeOfCopy typeOfCopy) {
- Collection<? extends StatementContextBase<?, ?, ?>> originalEffectiveSubstatements = original
- .effectiveSubstatements();
- for (StatementContextBase<?, ?, ?> stmtContext : originalEffectiveSubstatements) {
- if (GroupingUtils.needToCopyByUses(stmtContext)) {
- StatementContextBase<?, ?, ?> copy = stmtContext.createCopy(
- newQNameModule, this, typeOfCopy);
- this.addEffectiveSubstatement(copy);
- } else if (GroupingUtils.isReusedByUses(stmtContext)) {
- this.addEffectiveSubstatement(stmtContext);
- }
- }
+ SubstatementContext(final StatementContextBase<A, D, E> original, final StatementContextBase<?, ?, ?> parent,
+ final A argument, final CopyType copyType) {
+ super(original, copyType);
+ this.parent = Preconditions.checkNotNull(parent);
+ this.argument = argument;
}
@Override
return parent;
}
+ @Override
+ public StorageNodeType getStorageNodeType() {
+ return StorageNodeType.STATEMENT_LOCAL;
+ }
+
@Override
public NamespaceStorageNode getParentNamespaceStorage() {
return parent;
return parent.getBehaviourRegistry();
}
+ @Nonnull
@Override
public RootStatementContext<?, ?, ?> getRoot() {
return parent.getRoot();
return argument;
}
- @Override
- public StatementContextBase<?, ?, ?> createCopy(
- final StatementContextBase<?, ?, ?> newParent, final TypeOfCopy typeOfCopy) {
- return createCopy(null, newParent, typeOfCopy);
+ StatementContextBase<A, D, E> createCopy(final QNameModule newQNameModule,
+ final StatementContextBase<?, ?, ?> newParent, final CopyType typeOfCopy) {
+ Preconditions.checkState(getCompletedPhase() == ModelProcessingPhase.EFFECTIVE_MODEL,
+ "Attempted to copy statement %s which has completed phase %s", this, getCompletedPhase());
+
+ final A argumentCopy = newQNameModule == null ? argument
+ : definition().adaptArgumentValue(this, newQNameModule);
+ final SubstatementContext<A, D, E> copy = new SubstatementContext<>(this, newParent, argumentCopy, typeOfCopy);
+
+ definition().onStatementAdded(copy);
+
+ copy.copyStatements(this, newQNameModule, typeOfCopy);
+ return copy;
}
- @Override
- public StatementContextBase<A, D, E> createCopy(final QNameModule newQNameModule,
- final StatementContextBase<?, ?, ?> newParent, final TypeOfCopy typeOfCopy) {
- SubstatementContext<A, D, E> copy = new SubstatementContext<>(this, newQNameModule, newParent, typeOfCopy);
+ private void copyStatements(final SubstatementContext<A, D, E> original, final QNameModule newQNameModule,
+ final CopyType typeOfCopy) {
+ final Collection<? extends Mutable<?, ?, ?>> declared = original.mutableDeclaredSubstatements();
+ final Collection<? extends Mutable<?, ?, ?>> effective = original.mutableEffectiveSubstatements();
+ final Collection<Mutable<?, ?, ?>> buffer = new ArrayList<>(declared.size() + effective.size());
+
+ for (final Mutable<?, ?, ?> stmtContext : declared) {
+ if (stmtContext.isSupportedByFeatures()) {
+ copySubstatement(stmtContext, newQNameModule, typeOfCopy, buffer);
+ }
+ }
+
+ for (final Mutable<?, ?, ?> stmtContext : effective) {
+ copySubstatement(stmtContext, newQNameModule, typeOfCopy, buffer);
+ }
- copy.addAllToCopyHistory(this.getCopyHistory());
- copy.addToCopyHistory(typeOfCopy);
+ addEffectiveSubstatements(buffer);
+ }
- if (this.getOriginalCtx() != null) {
- copy.setOriginalCtx(this.getOriginalCtx());
+ private void copySubstatement(final Mutable<?, ?, ?> stmtContext, final QNameModule newQNameModule,
+ final CopyType typeOfCopy, final Collection<Mutable<?, ?, ?>> buffer) {
+ if (needToCopyByUses(stmtContext)) {
+ final Mutable<?, ?, ?> copy = childCopyOf(stmtContext, typeOfCopy, newQNameModule);
+ LOG.debug("Copying substatement {} for {} as", stmtContext, this, copy);
+ buffer.add(copy);
+ } else if (isReusedByUses(stmtContext)) {
+ LOG.debug("Reusing substatement {} for {}", stmtContext, this);
+ buffer.add(stmtContext);
} else {
- copy.setOriginalCtx(this);
+ LOG.debug("Skipping statement {}", stmtContext);
}
+ }
- definition().onStatementAdded(copy);
+ // FIXME: revise this, as it seems to be wrong
+ private static final Set<YangStmtMapping> NOCOPY_FROM_GROUPING_SET = ImmutableSet.of(
+ YangStmtMapping.DESCRIPTION,
+ YangStmtMapping.REFERENCE,
+ YangStmtMapping.STATUS);
+ private static final Set<YangStmtMapping> REUSED_DEF_SET = ImmutableSet.of(
+ YangStmtMapping.TYPE,
+ YangStmtMapping.TYPEDEF,
+ YangStmtMapping.USES);
+
+ private static boolean needToCopyByUses(final StmtContext<?, ?, ?> stmtContext) {
+ final StatementDefinition def = stmtContext.getPublicDefinition();
+ if (REUSED_DEF_SET.contains(def)) {
+ LOG.debug("Will reuse {} statement {}", def, stmtContext);
+ return false;
+ }
+ if (NOCOPY_FROM_GROUPING_SET.contains(def)) {
+ return !YangStmtMapping.GROUPING.equals(stmtContext.getParentContext().getPublicDefinition());
+ }
- copy.copyDeclaredStmts(this, newQNameModule, typeOfCopy);
- copy.copyEffectiveStmts(this, newQNameModule, typeOfCopy);
- return copy;
+ LOG.debug("Will copy {} statement {}", def, stmtContext);
+ return true;
+ }
+
+ private static boolean isReusedByUses(final StmtContext<?, ?, ?> stmtContext) {
+ return REUSED_DEF_SET.contains(stmtContext.getPublicDefinition());
}
private boolean isSupportedAsShorthandCase() {
Verify.verify(maybeParentPath.isPresent(), "Parent %s does not have a SchemaPath", parent);
final SchemaPath parentPath = maybeParentPath.get();
+ if (StmtContextUtils.isUnknownStatement(this)) {
+ return parentPath.createChild(getPublicDefinition().getStatementName());
+ }
if (argument instanceof QName) {
- QName qname = (QName) argument;
+ final QName qname = (QName) argument;
if (StmtContextUtils.producesDeclared(this, UsesStatement.class)) {
- return maybeParentPath.orNull();
+ return maybeParentPath.orElse(null);
}
final SchemaPath path;
}
if (argument instanceof String) {
// FIXME: This may yield illegal argument exceptions
- final StatementContextBase<?, ?, ?> originalCtx = getOriginalCtx();
- final QName qname = (originalCtx != null) ? Utils.qNameFromArgument(originalCtx, (String) argument)
- : Utils.qNameFromArgument(this, (String) argument);
+ final Optional<StmtContext<?, ?, ?>> originalCtx = getOriginalCtx();
+ final QName qname = StmtContextUtils.qnameFromArgument(originalCtx.orElse(this), (String) argument);
return parentPath.createChild(qname);
}
- if (argument instanceof SchemaNodeIdentifier &&
- (StmtContextUtils.producesDeclared(this, AugmentStatement.class)
- || StmtContextUtils.producesDeclared(this, RefineStatement.class))) {
+ if (argument instanceof SchemaNodeIdentifier
+ && (StmtContextUtils.producesDeclared(this, AugmentStatement.class)
+ || StmtContextUtils.producesDeclared(this, RefineStatement.class)
+ || StmtContextUtils.producesDeclared(this, DeviationStatement.class))) {
return parentPath.createChild(((SchemaNodeIdentifier) argument).getPathFromRoot());
}
- if (Utils.isUnknownNode(this)) {
- return parentPath.createChild(getPublicDefinition().getStatementName());
- }
// FIXME: this does not look right
- return maybeParentPath.orNull();
+ return maybeParentPath.orElse(null);
}
+ @Nonnull
@Override
public Optional<SchemaPath> getSchemaPath() {
SchemaPath local = schemaPath;
}
- return Optional.fromNullable(local);
- }
-
- @Override
- public boolean isRootContext() {
- return false;
+ return Optional.ofNullable(local);
}
@Override
public boolean isConfiguration() {
- StmtContext<Boolean, ?, ?> configStatement = StmtContextUtils
- .findFirstSubstatement(this, ConfigStatement.class);
-
- /*
- * If "config" statement is not specified, the default is the same as
- * the parent schema node's "config" value.
- */
- if (configStatement == null) {
- return parent.isConfiguration();
+ if (isIgnoringConfig()) {
+ return true;
}
- /*
- * If a parent node has "config" set to "true", the node underneath it can
- * have "config" set to "true" or "false".
- */
- if (parent.isConfiguration()) {
- return configStatement.getStatementArgument();
+ if (OptionalBoolean.isPresent(configuration)) {
+ return OptionalBoolean.get(configuration);
}
- /*
- * If a parent node has "config" set to "false", no node underneath it
- * can have "config" set to "true", therefore only "false" is permitted.
- */
- if (!configStatement.getStatementArgument()) {
- return false;
+ final StmtContext<Boolean, ?, ?> configStatement = StmtContextUtils.findFirstSubstatement(this,
+ ConfigStatement.class);
+ final boolean parentIsConfig = parent.isConfiguration();
+
+ final boolean isConfig;
+ if (configStatement != null) {
+ isConfig = configStatement.getStatementArgument();
+
+ // Validity check: if parent is config=false this cannot be a config=true
+ InferenceException.throwIf(isConfig && !parentIsConfig, getStatementSourceReference(),
+ "Parent node has config=false, this node must not be specifed as config=true");
+ } else {
+ // If "config" statement is not specified, the default is the same as the parent's "config" value.
+ isConfig = parentIsConfig;
}
- throw new InferenceException(
- "Parent node has config statement set to false, therefore no node underneath it can have config set to true",
- getStatementSourceReference());
+ // Resolved, make sure we cache this return
+ configuration = OptionalBoolean.of(isConfig);
+ return isConfig;
}
@Override
public boolean isEnabledSemanticVersioning() {
return parent.isEnabledSemanticVersioning();
}
+
+ @Override
+ public YangVersion getRootVersion() {
+ return getRoot().getRootVersion();
+ }
+
+ @Override
+ public void setRootVersion(final YangVersion version) {
+ getRoot().setRootVersion(version);
+ }
+
+ @Override
+ public void addMutableStmtToSeal(final MutableStatement mutableStatement) {
+ getRoot().addMutableStmtToSeal(mutableStatement);
+ }
+
+ @Override
+ public void addRequiredModule(final ModuleIdentifier dependency) {
+ getRoot().addRequiredModule(dependency);
+ }
+
+ @Override
+ public void setRootIdentifier(final ModuleIdentifier identifier) {
+ getRoot().setRootIdentifier(identifier);
+ }
+
+ @Override
+ protected boolean isIgnoringIfFeatures() {
+ if (OptionalBoolean.isPresent(ignoreIfFeature)) {
+ return OptionalBoolean.get(ignoreIfFeature);
+ }
+
+ final boolean ret = definition().isIgnoringIfFeatures() || parent.isIgnoringIfFeatures();
+ ignoreIfFeature = OptionalBoolean.of(ret);
+
+ return ret;
+ }
+
+ @Override
+ protected boolean isIgnoringConfig() {
+ if (OptionalBoolean.isPresent(ignoreConfig)) {
+ return OptionalBoolean.get(ignoreConfig);
+ }
+
+ final boolean ret = definition().isIgnoringConfig() || parent.isIgnoringConfig();
+ ignoreConfig = OptionalBoolean.of(ret);
+
+ return ret;
+ }
+
+ @Override
+ protected boolean isParentSupportedByFeatures() {
+ return parent.isSupportedByFeatures();
+ }
}
Code Review / yangtools.git / blobdiff