import com.google.common.base.Preconditions;
import com.google.common.base.Throwables;
+import com.google.common.base.Verify;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import java.util.ArrayList;
+import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
+import java.util.Map.Entry;
import java.util.Objects;
import java.util.Set;
+import java.util.function.Predicate;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.common.QName;
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.IdentifierNamespace;
+import org.opendaylight.yangtools.yang.parser.spi.meta.DerivedNamespaceBehaviour;
import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour;
import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour.NamespaceStorageNode;
import org.opendaylight.yangtools.yang.parser.spi.meta.StatementSupportBundle;
import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
import org.opendaylight.yangtools.yang.parser.spi.source.StatementStreamSource;
+import org.opendaylight.yangtools.yang.parser.spi.source.SupportedFeaturesNamespace;
+import org.opendaylight.yangtools.yang.parser.spi.source.SupportedFeaturesNamespace.SupportedFeatures;
+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.reactor.SourceSpecificContext.PhaseCompletionProgress;
+import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.EffectiveSchemaContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
class BuildGlobalContext extends NamespaceStorageSupport implements NamespaceBehaviour.Registry {
+ private static final Logger LOG = LoggerFactory.getLogger(BuildGlobalContext.class);
private static final List<ModelProcessingPhase> PHASE_EXECUTION_ORDER = ImmutableList.<ModelProcessingPhase>builder()
- .add(ModelProcessingPhase.SourceLinkage)
- .add(ModelProcessingPhase.StatementDefinition)
- .add(ModelProcessingPhase.FullDeclaration)
- .add(ModelProcessingPhase.EffectiveModel)
+ .add(ModelProcessingPhase.SOURCE_PRE_LINKAGE)
+ .add(ModelProcessingPhase.SOURCE_LINKAGE)
+ .add(ModelProcessingPhase.STATEMENT_DEFINITION)
+ .add(ModelProcessingPhase.FULL_DECLARATION)
+ .add(ModelProcessingPhase.EFFECTIVE_MODEL)
.build();
private final Map<QName,StatementDefinitionContext<?,?,?>> definitions = new HashMap<>();
- private final Map<Class<?>,NamespaceBehaviourWithListeners<?, ?, ?>> namespaces = new HashMap<>();
-
+ private final Map<Class<?>,NamespaceBehaviourWithListeners<?, ?, ?>> supportedNamespaces = new HashMap<>();
private final Map<ModelProcessingPhase,StatementSupportBundle> supports;
private final Set<SourceSpecificContext> sources = new HashSet<>();
- private ModelProcessingPhase currentPhase;
- private ModelProcessingPhase finishedPhase;
+ private ModelProcessingPhase currentPhase = ModelProcessingPhase.INIT;
+ private ModelProcessingPhase finishedPhase = ModelProcessingPhase.INIT;
- public BuildGlobalContext(Map<ModelProcessingPhase, StatementSupportBundle> supports) {
+ public BuildGlobalContext(final Map<ModelProcessingPhase, StatementSupportBundle> supports,
+ final Predicate<QName> isFeatureSupported) {
super();
- this.supports = supports;
+ this.supports = Preconditions.checkNotNull(supports, "BuildGlobalContext#supports cannot be null");
+
+ addToNs(SupportedFeaturesNamespace.class, SupportedFeatures.SUPPORTED_FEATURES, isFeatureSupported);
}
- public void addSource(@Nonnull StatementStreamSource source) {
+ public BuildGlobalContext(final Map<ModelProcessingPhase, StatementSupportBundle> supports,
+ final Map<ValidationBundleType,Collection<?>> supportedValidation,
+ final Predicate<QName> isFeatureSupported) {
+ super();
+ this.supports = Preconditions.checkNotNull(supports, "BuildGlobalContext#supports cannot be null");
+
+ for (Entry<ValidationBundleType, Collection<?>> validationBundle : supportedValidation.entrySet()) {
+ addToNs(ValidationBundlesNamespace.class, validationBundle.getKey(), validationBundle.getValue());
+ }
+
+ addToNs(SupportedFeaturesNamespace.class, SupportedFeatures.SUPPORTED_FEATURES, isFeatureSupported);
+ }
+
+ public StatementSupportBundle getSupportsForPhase(final ModelProcessingPhase currentPhase) {
+ return supports.get(currentPhase);
+ }
+
+ public void addSource(@Nonnull final StatementStreamSource source) {
sources.add(new SourceSpecificContext(this,source));
}
@Override
public StorageNodeType getStorageNodeType() {
- return StorageNodeType.Global;
+ return StorageNodeType.GLOBAL;
}
@Override
}
@Override
- public <K, V, N extends IdentifierNamespace<K, V>> NamespaceBehaviourWithListeners<K, V, N> getNamespaceBehaviour(Class<N> type) {
- NamespaceBehaviourWithListeners<?, ?, ?> potential = namespaces.get(type);
+ public <K, V, N extends IdentifierNamespace<K, V>> NamespaceBehaviourWithListeners<K, V, N> getNamespaceBehaviour(final Class<N> type) {
+ NamespaceBehaviourWithListeners<?, ?, ?> potential = supportedNamespaces.get(type);
if (potential == null) {
NamespaceBehaviour<K, V, N> potentialRaw = supports.get(currentPhase).getNamespaceBehaviour(type);
- if(potentialRaw != null) {
- potential = new NamespaceBehaviourWithListeners<>(potentialRaw);
- namespaces.put(type, potential);
+ if (potentialRaw != null) {
+ potential = createNamespaceContext(potentialRaw);
+ supportedNamespaces.put(type, potential);
+ } else {
+ throw new NamespaceNotAvailableException(
+ "Namespace " + type + " is not available in phase " + currentPhase);
}
}
- if (potential != null) {
- Preconditions.checkState(type.equals(potential.getIdentifier()));
-
- /*
- * Safe cast, previous checkState checks equivalence of key from
- * which type argument are derived
- */
- @SuppressWarnings("unchecked")
- NamespaceBehaviourWithListeners<K, V, N> casted = (NamespaceBehaviourWithListeners<K, V, N>) potential;
- return casted;
+
+ Verify.verify(type.equals(potential.getIdentifier()));
+ /*
+ * Safe cast, previous checkState checks equivalence of key from which type argument are
+ * derived
+ */
+ return (NamespaceBehaviourWithListeners<K, V, N>) potential;
+ }
+
+ @SuppressWarnings({"unchecked", "rawtypes"})
+ private <K, V, N extends IdentifierNamespace<K, V>> NamespaceBehaviourWithListeners<K, V, N> createNamespaceContext(
+ final NamespaceBehaviour<K, V, N> potentialRaw) {
+ if (potentialRaw instanceof DerivedNamespaceBehaviour) {
+ VirtualNamespaceContext derivedContext =
+ new VirtualNamespaceContext((DerivedNamespaceBehaviour) potentialRaw);
+ getNamespaceBehaviour(((DerivedNamespaceBehaviour) potentialRaw).getDerivedFrom())
+ .addDerivedNamespace(derivedContext);
+ return derivedContext;
}
- throw new NamespaceNotAvailableException("Namespace " + type + "is not available in phase " + currentPhase);
+ return new SimpleNamespaceContext<>(potentialRaw);
}
- public StatementDefinitionContext<?, ?, ?> getStatementDefinition(QName name) {
+ public StatementDefinitionContext<?, ?, ?> getStatementDefinition(final QName name) {
StatementDefinitionContext<?, ?, ?> potential = definitions.get(name);
- if(potential == null) {
+ if (potential == null) {
StatementSupport<?, ?, ?> potentialRaw = supports.get(currentPhase).getStatementDefinition(name);
- if(potentialRaw != null) {
+ if (potentialRaw != null) {
potential = new StatementDefinitionContext<>(potentialRaw);
definitions.put(name, potential);
}
}
public EffectiveModelContext build() throws SourceException, ReactorException {
- for(ModelProcessingPhase phase : PHASE_EXECUTION_ORDER) {
+ for (ModelProcessingPhase phase : PHASE_EXECUTION_ORDER) {
startPhase(phase);
loadPhaseStatements();
completePhaseActions();
}
private EffectiveModelContext transform() {
- Preconditions.checkState(finishedPhase == ModelProcessingPhase.EffectiveModel);
- List<DeclaredStatement<?>> rootStatements = new ArrayList<>();
- for(SourceSpecificContext source : sources) {
- DeclaredStatement<?> root = source.getRoot().buildDeclared();
- rootStatements.add(root);
+ Preconditions.checkState(finishedPhase == ModelProcessingPhase.EFFECTIVE_MODEL);
+ List<DeclaredStatement<?>> rootStatements = new ArrayList<>(sources.size());
+ for (SourceSpecificContext source : sources) {
+ rootStatements.add(source.getRoot().buildDeclared());
}
return new EffectiveModelContext(rootStatements);
}
- private void startPhase(ModelProcessingPhase phase) {
+ public EffectiveSchemaContext buildEffective() throws SourceException, ReactorException {
+ for (ModelProcessingPhase phase : PHASE_EXECUTION_ORDER) {
+ startPhase(phase);
+ loadPhaseStatements();
+ completePhaseActions();
+ endPhase(phase);
+ }
+ return transformEffective();
+ }
+
+ private EffectiveSchemaContext transformEffective() {
+ Preconditions.checkState(finishedPhase == ModelProcessingPhase.EFFECTIVE_MODEL);
+ List<DeclaredStatement<?>> rootStatements = new ArrayList<>(sources.size());
+ List<EffectiveStatement<?,?>> rootEffectiveStatements = new ArrayList<>(sources.size());
+
+ for (SourceSpecificContext source : sources) {
+ final RootStatementContext<?, ?, ?> root = source.getRoot();
+ rootStatements.add(root.buildDeclared());
+ rootEffectiveStatements.add(root.buildEffective());
+ }
+
+ return new EffectiveSchemaContext(rootStatements, rootEffectiveStatements);
+ }
+
+ private void startPhase(final ModelProcessingPhase phase) {
Preconditions.checkState(Objects.equals(finishedPhase, phase.getPreviousPhase()));
- for(SourceSpecificContext source : sources) {
+ for (SourceSpecificContext source : sources) {
source.startPhase(phase);
}
currentPhase = phase;
private void loadPhaseStatements() throws SourceException {
Preconditions.checkState(currentPhase != null);
- for(SourceSpecificContext source : sources) {
+ for (SourceSpecificContext source : sources) {
source.loadStatements();
}
}
+ private SomeModifiersUnresolvedException addSourceExceptions(final SomeModifiersUnresolvedException buildFailure,
+ final List<SourceSpecificContext> sourcesToProgress) {
+ boolean addedCause = false;
+ for (SourceSpecificContext failedSource : sourcesToProgress) {
+ final SourceException sourceEx = failedSource.failModifiers(currentPhase);
+
+ // Workaround for broken logging implementations which ignore suppressed exceptions
+ Throwable cause = sourceEx.getCause() != null ? sourceEx.getCause() : sourceEx;
+ if (LOG.isDebugEnabled()) {
+ LOG.error("Failed to parse YANG from source {}", failedSource, sourceEx);
+ } else {
+ LOG.error("Failed to parse YANG from source {}: {}", failedSource, cause.getMessage());
+ }
+
+ final Throwable[] suppressed = sourceEx.getSuppressed();
+ if (suppressed.length > 0) {
+ LOG.error("{} additional errors reported:", suppressed.length);
+
+ int i = 1;
+ for (Throwable t : suppressed) {
+ // FIXME: this should be configured in the appender, really
+ if (LOG.isDebugEnabled()) {
+ LOG.error("Error {}: {}", i, t.getMessage(), t);
+ } else {
+ LOG.error("Error {}: {}", i, t.getMessage());
+ }
+
+ i++;
+ }
+ }
+
+ if (!addedCause) {
+ addedCause = true;
+ buildFailure.initCause(sourceEx);
+ } else {
+ buildFailure.addSuppressed(sourceEx);
+ }
+ }
+ return buildFailure;
+ }
+
private void completePhaseActions() throws ReactorException {
Preconditions.checkState(currentPhase != null);
- ArrayList<SourceSpecificContext> sourcesToProgress = Lists.newArrayList(sources);
+ List<SourceSpecificContext> sourcesToProgress = Lists.newArrayList(sources);
try {
boolean progressing = true;
- while(progressing) {
+ while (progressing) {
// We reset progressing to false.
progressing = false;
Iterator<SourceSpecificContext> currentSource = sourcesToProgress.iterator();
- while(currentSource.hasNext()) {
- PhaseCompletionProgress sourceProgress = currentSource.next().tryToCompletePhase(currentPhase);
+ while (currentSource.hasNext()) {
+ SourceSpecificContext nextSourceCtx = currentSource.next();
+ PhaseCompletionProgress sourceProgress = nextSourceCtx.tryToCompletePhase(currentPhase);
switch (sourceProgress) {
case FINISHED:
currentSource.remove();
+ // Fallback to progress, since we were able to make progress in computation
case PROGRESS:
progressing = true;
+ break;
case NO_PROGRESS:
- // Noop;
+ // Noop
+ break;
+ default:
+ throw new IllegalStateException("Unsupported phase progress " + sourceProgress);
}
}
}
} catch (SourceException e) {
throw Throwables.propagate(e);
}
- if(!sourcesToProgress.isEmpty()) {
+ if (!sourcesToProgress.isEmpty()) {
SomeModifiersUnresolvedException buildFailure = new SomeModifiersUnresolvedException(currentPhase);
- for(SourceSpecificContext failedSource : sourcesToProgress) {
- SourceException sourceEx = failedSource.failModifiers(currentPhase);
- buildFailure.addSuppressed(sourceEx);
- }
- throw buildFailure;
+ buildFailure = addSourceExceptions(buildFailure, sourcesToProgress);
+ throw buildFailure;
}
}
- private void endPhase(ModelProcessingPhase phase) {
+ private void endPhase(final ModelProcessingPhase phase) {
Preconditions.checkState(currentPhase == phase);
finishedPhase = currentPhase;
}
public Set<SourceSpecificContext> getSources() {
return sources;
}
-
}