*/
package org.opendaylight.controller.md.sal.binding.impl;
-import java.lang.reflect.Method;
-import java.lang.reflect.Type;
+import com.google.common.base.Function;
+import com.google.common.base.Optional;
import java.util.AbstractMap.SimpleEntry;
-import java.util.LinkedList;
-import java.util.List;
+import java.util.Iterator;
import java.util.Map.Entry;
-
-import javax.annotation.Nullable;
-
import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationException;
import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationOperation;
import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizer;
-import org.opendaylight.yangtools.yang.binding.Augmentation;
-import org.opendaylight.yangtools.yang.binding.DataContainer;
+import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
+import org.opendaylight.yangtools.sal.binding.generator.impl.GeneratedClassLoadingStrategy;
+import org.opendaylight.yangtools.sal.binding.generator.util.BindingRuntimeContext;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.Item;
-import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
-import org.opendaylight.yangtools.yang.binding.util.ClassLoaderUtils;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.data.api.CompositeNode;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.AugmentationIdentifier;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifier;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
-import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
-import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
-import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.impl.codec.BindingIndependentMappingService;
import org.opendaylight.yangtools.yang.data.impl.codec.DeserializationException;
-import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.google.common.base.Function;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.base.Supplier;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.Iterables;
-
-public class BindingToNormalizedNodeCodec implements SchemaContextListener {
+public class BindingToNormalizedNodeCodec implements SchemaContextListener,AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(BindingToNormalizedNodeCodec.class);
private final BindingIndependentMappingService bindingToLegacy;
+ private final BindingNormalizedNodeCodecRegistry codecRegistry;
private DataNormalizer legacyToNormalized;
+ private final GeneratedClassLoadingStrategy classLoadingStrategy;
- public BindingToNormalizedNodeCodec(final BindingIndependentMappingService mappingService) {
+ public BindingToNormalizedNodeCodec(final GeneratedClassLoadingStrategy classLoadingStrategy, final BindingIndependentMappingService mappingService, final BindingNormalizedNodeCodecRegistry codecRegistry) {
super();
this.bindingToLegacy = mappingService;
+ this.classLoadingStrategy = classLoadingStrategy;
+ this.codecRegistry = codecRegistry;
+
}
- public org.opendaylight.yangtools.yang.data.api.InstanceIdentifier toNormalized(
+ public org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier toNormalized(
final InstanceIdentifier<? extends DataObject> binding) {
-
- // Used instance-identifier codec do not support serialization of last
- // path
- // argument if it is Augmentation (behaviour expected by old datastore)
- // in this case, we explicitly check if last argument is augmentation
- // to process it separately
- if (isAugmentationIdentifier(binding)) {
- return toNormalizedAugmented(binding);
- }
- return toNormalizedImpl(binding);
+ return codecRegistry.toYangInstanceIdentifier(binding);
}
- public Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
+ @SuppressWarnings({ "unchecked", "rawtypes" })
+ public Entry<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
final InstanceIdentifier<? extends DataObject> bindingPath, final DataObject bindingObject) {
- return toNormalizedNode(toBindingEntry(bindingPath, bindingObject));
+ return codecRegistry.toNormalizedNode((InstanceIdentifier) bindingPath, bindingObject);
}
- public Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
+ public Entry<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
final Entry<org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject>, DataObject> binding) {
- Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, CompositeNode> legacyEntry = bindingToLegacy
- .toDataDom(binding);
- Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> normalizedEntry = legacyToNormalized
- .toNormalized(legacyEntry);
- LOG.trace("Serialization of {}, Legacy Representation: {}, Normalized Representation: {}", binding,
- legacyEntry, normalizedEntry);
- if (isAugmentation(binding.getKey().getTargetType())) {
-
- for (DataContainerChild<? extends PathArgument, ?> child : ((DataContainerNode<?>) normalizedEntry
- .getValue()).getValue()) {
- if (child instanceof AugmentationNode) {
- ImmutableList<PathArgument> childArgs = ImmutableList.<PathArgument> builder()
- .addAll(normalizedEntry.getKey().getPathArguments()).add(child.getIdentifier()).build();
- org.opendaylight.yangtools.yang.data.api.InstanceIdentifier childPath = org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.create(
- childArgs);
- return toDOMEntry(childPath, child);
- }
- }
-
- }
- return normalizedEntry;
-
+ return toNormalizedNode(binding.getKey(),binding.getValue());
}
/**
*
*/
public Optional<InstanceIdentifier<? extends DataObject>> toBinding(
- final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalized)
+ final org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier normalized)
throws DeserializationException {
-
- PathArgument lastArgument = Iterables.getLast(normalized.getPathArguments());
- // Used instance-identifier codec do not support serialization of last
- // path
- // argument if it is AugmentationIdentifier (behaviour expected by old
- // datastore)
- // in this case, we explicitly check if last argument is augmentation
- // to process it separately
- if (lastArgument instanceof AugmentationIdentifier) {
- return toBindingAugmented(normalized);
- }
- return toBindingImpl(normalized);
- }
-
- private Optional<InstanceIdentifier<? extends DataObject>> toBindingAugmented(
- final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalized)
- throws DeserializationException {
- Optional<InstanceIdentifier<? extends DataObject>> potential = toBindingImpl(normalized);
- // Shorthand check, if codec already supports deserialization
- // of AugmentationIdentifier we will return
- if (potential.isPresent() && isAugmentationIdentifier(potential.get())) {
- return potential;
- }
-
- int normalizedCount = getAugmentationCount(normalized);
- AugmentationIdentifier lastArgument = (AugmentationIdentifier) Iterables.getLast(normalized.getPathArguments());
-
- // Here we employ small trick - Binding-aware Codec injects an pointer
- // to augmentation class
- // if child is referenced - so we will reference child and then shorten
- // path.
- LOG.trace("Looking for candidates to match {}", normalized);
- for (QName child : lastArgument.getPossibleChildNames()) {
- org.opendaylight.yangtools.yang.data.api.InstanceIdentifier childPath = normalized.node(child);
- try {
- if (isNotRepresentable(childPath)) {
- LOG.trace("Path {} is not BI-representable, skipping it", childPath);
- continue;
- }
- } catch (DataNormalizationException e) {
- LOG.warn("Failed to denormalize path {}, skipping it", childPath, e);
- continue;
- }
-
- Optional<InstanceIdentifier<? extends DataObject>> baId = toBindingImpl(childPath);
- if (!baId.isPresent()) {
- LOG.debug("No binding-aware identifier found for path {}, skipping it", childPath);
- continue;
- }
-
- InstanceIdentifier<? extends DataObject> potentialPath = shortenToLastAugment(baId.get());
- int potentialAugmentCount = getAugmentationCount(potentialPath);
- if (potentialAugmentCount == normalizedCount) {
- LOG.trace("Found matching path {}", potentialPath);
- return Optional.<InstanceIdentifier<? extends DataObject>> of(potentialPath);
- }
-
- LOG.trace("Skipping mis-matched potential path {}", potentialPath);
- }
-
- LOG.trace("Failed to find augmentation matching {}", normalized);
- return Optional.absent();
- }
-
- private Optional<InstanceIdentifier<? extends DataObject>> toBindingImpl(
- final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalized)
- throws DeserializationException {
- org.opendaylight.yangtools.yang.data.api.InstanceIdentifier legacyPath;
-
try {
- if (isNotRepresentable(normalized)) {
- return Optional.absent();
- }
- legacyPath = legacyToNormalized.toLegacy(normalized);
- } catch (DataNormalizationException e) {
- throw new IllegalStateException("Could not denormalize path.", e);
- }
- LOG.trace("InstanceIdentifier Path Deserialization: Legacy representation {}, Normalized representation: {}",
- legacyPath, normalized);
- return Optional.<InstanceIdentifier<? extends DataObject>> of(bindingToLegacy.fromDataDom(legacyPath));
- }
-
- private boolean isNotRepresentable(final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalized)
- throws DataNormalizationException {
- DataNormalizationOperation<?> op = findNormalizationOperation(normalized);
- if( op.isMixin() && op.getIdentifier() instanceof NodeIdentifier) {
- return true;
- }
- if(op.isLeaf()) {
- return true;
+ return Optional.<InstanceIdentifier<? extends DataObject>>of(codecRegistry.fromYangInstanceIdentifier(normalized));
+ } catch (IllegalArgumentException e) {
+ return Optional.absent();
}
- return false;
}
- private DataNormalizationOperation<?> findNormalizationOperation(
- final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalized)
- throws DataNormalizationException {
- DataNormalizationOperation<?> current = legacyToNormalized.getRootOperation();
- for (PathArgument arg : normalized.getPathArguments()) {
- current = current.getChild(arg);
- }
- return current;
- }
private static final Entry<org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject>, DataObject> toBindingEntry(
final org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject> key,
key, value);
}
- private static final Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> toDOMEntry(
- final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier key,
- final NormalizedNode<?, ?> value) {
- return new SimpleEntry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>>(
- key, value);
- }
-
- public DataObject toBinding(final InstanceIdentifier<?> path, final NormalizedNode<?, ?> normalizedNode)
- throws DeserializationException {
- CompositeNode legacy = null;
- if (isAugmentationIdentifier(path) && normalizedNode instanceof AugmentationNode) {
- QName augIdentifier = BindingReflections.findQName(path.getTargetType());
- ContainerNode virtualNode = Builders.containerBuilder() //
- .withNodeIdentifier(new NodeIdentifier(augIdentifier)) //
- .withChild((DataContainerChild<?, ?>) normalizedNode) //
- .build();
- legacy = (CompositeNode) DataNormalizer.toLegacy(virtualNode);
- } else {
- legacy = (CompositeNode) DataNormalizer.toLegacy(normalizedNode);
- }
-
- return bindingToLegacy.dataObjectFromDataDom(path, legacy);
- }
-
public DataNormalizer getDataNormalizer() {
return legacyToNormalized;
}
+ @SuppressWarnings("unchecked")
public Optional<Entry<org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject>, DataObject>> toBinding(
- final Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, ? extends NormalizedNode<?, ?>> normalized)
+ final Entry<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier, ? extends NormalizedNode<?, ?>> normalized)
throws DeserializationException {
- Optional<InstanceIdentifier<? extends DataObject>> potentialPath = toBinding(normalized.getKey());
- if (potentialPath.isPresent()) {
- InstanceIdentifier<? extends DataObject> bindingPath = potentialPath.get();
- DataObject bindingData = toBinding(bindingPath, normalized.getValue());
- if (bindingData == null) {
- LOG.warn("Failed to deserialize {} to Binding format. Binding path is: {}", normalized, bindingPath);
- }
- return Optional.of(toBindingEntry(bindingPath, bindingData));
- } else {
+ try {
+ @SuppressWarnings("rawtypes")
+ Entry binding = codecRegistry.fromNormalizedNode(normalized.getKey(), normalized.getValue());
+ return Optional.<Entry<org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject>, DataObject>>fromNullable(binding);
+ } catch (IllegalArgumentException e) {
return Optional.absent();
}
}
@Override
public void onGlobalContextUpdated(final SchemaContext arg0) {
legacyToNormalized = new DataNormalizer(arg0);
+ codecRegistry.onBindingRuntimeContextUpdated(BindingRuntimeContext.create(classLoadingStrategy, arg0));
}
- private org.opendaylight.yangtools.yang.data.api.InstanceIdentifier toNormalizedAugmented(
- final InstanceIdentifier<?> augPath) {
- org.opendaylight.yangtools.yang.data.api.InstanceIdentifier processed = toNormalizedImpl(augPath);
- // If used instance identifier codec added supports for deserialization
- // of last AugmentationIdentifier we will just reuse it
- if (isAugmentationIdentifier(processed)) {
- return processed;
- }
- // Here we employ small trick - DataNormalizer injects augmentation
- // identifier if child is
- // also part of the path (since using a child we can safely identify
- // augmentation)
- // so, we scan augmentation for children add it to path
- // and use original algorithm, then shorten it to last augmentation
- for (@SuppressWarnings("rawtypes")
- Class augChild : getAugmentationChildren(augPath.getTargetType())) {
- @SuppressWarnings("unchecked")
- InstanceIdentifier<?> childPath = augPath.child(augChild);
- org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalized = toNormalizedImpl(childPath);
- org.opendaylight.yangtools.yang.data.api.InstanceIdentifier potentialDiscovered = shortenToLastAugmentation(normalized);
- if (potentialDiscovered != null) {
- return potentialDiscovered;
- }
- }
- return processed;
- }
-
- private org.opendaylight.yangtools.yang.data.api.InstanceIdentifier shortenToLastAugmentation(
- final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalized) {
- int position = 0;
- int foundPosition = -1;
- for (PathArgument arg : normalized.getPathArguments()) {
- position++;
- if (arg instanceof AugmentationIdentifier) {
- foundPosition = position;
- }
- }
- if (foundPosition > 0) {
- Iterable<PathArgument> shortened = Iterables.limit(normalized.getPathArguments(), foundPosition);
- return org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.create(shortened);
- }
- return null;
- }
-
- private InstanceIdentifier<? extends DataObject> shortenToLastAugment(
- final InstanceIdentifier<? extends DataObject> binding) {
- int position = 0;
- int foundPosition = -1;
- for (org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument arg : binding.getPathArguments()) {
- position++;
- if (isAugmentation(arg.getType())) {
- foundPosition = position;
- }
- }
- return InstanceIdentifier.create(Iterables.limit(binding.getPathArguments(), foundPosition));
- }
-
- private org.opendaylight.yangtools.yang.data.api.InstanceIdentifier toNormalizedImpl(
- final InstanceIdentifier<? extends DataObject> binding) {
- final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier legacyPath = bindingToLegacy
- .toDataDom(binding);
- final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalized = legacyToNormalized
- .toNormalized(legacyPath);
- return normalized;
+ public <T extends DataObject> Function<Optional<NormalizedNode<?, ?>>, Optional<T>> deserializeFunction(final InstanceIdentifier<T> path) {
+ return codecRegistry.deserializeFunction(path);
}
- @SuppressWarnings("unchecked")
- private Iterable<Class<? extends DataObject>> getAugmentationChildren(final Class<?> targetType) {
- List<Class<? extends DataObject>> ret = new LinkedList<>();
- for (Method method : targetType.getMethods()) {
- Class<?> entity = getYangModeledType(method);
- if (entity != null) {
- ret.add((Class<? extends DataObject>) entity);
- }
- }
- return ret;
- }
-
- @SuppressWarnings({ "rawtypes", "unchecked" })
- private Class<? extends DataObject> getYangModeledType(final Method method) {
- if (method.getName().equals("getClass") || !method.getName().startsWith("get")
- || method.getParameterTypes().length > 0) {
- return null;
- }
-
- Class<?> returnType = method.getReturnType();
- if (DataContainer.class.isAssignableFrom(returnType)) {
- return (Class) returnType;
- } else if (List.class.isAssignableFrom(returnType)) {
+ /**
+ * Returns an default object according to YANG schema for supplied path.
+ *
+ * @param path DOM Path
+ * @return Node with defaults set on.
+ */
+ public NormalizedNode<?, ?> getDefaultNodeFor(final org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier path) {
+ Iterator<PathArgument> iterator = path.getPathArguments().iterator();
+ DataNormalizationOperation<?> currentOp = legacyToNormalized.getRootOperation();
+ while (iterator.hasNext()) {
+ PathArgument currentArg = iterator.next();
try {
- return ClassLoaderUtils.withClassLoader(method.getDeclaringClass().getClassLoader(),
- new Supplier<Class>() {
- @Override
- public Class get() {
- Type listResult = ClassLoaderUtils.getFirstGenericParameter(method
- .getGenericReturnType());
- if (listResult instanceof Class
- && DataObject.class.isAssignableFrom((Class) listResult)) {
- return (Class<?>) listResult;
- }
- return null;
- }
-
- });
- } catch (Exception e) {
- LOG.debug("Could not get YANG modeled entity for {}", method, e);
- return null;
- }
-
- }
- return null;
- }
-
- @SuppressWarnings({ "unchecked", "rawtypes" })
- private static InstanceIdentifier<?> toWildcarded(final InstanceIdentifier<?> orig) {
- List<org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument> wildArgs = new LinkedList<>();
- for (org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument arg : orig.getPathArguments()) {
- wildArgs.add(new Item(arg.getType()));
- }
- return InstanceIdentifier.create(wildArgs);
- }
-
- private static boolean isAugmentation(final Class<? extends DataObject> type) {
- return Augmentation.class.isAssignableFrom(type);
- }
-
- private static boolean isAugmentationIdentifier(final InstanceIdentifier<?> potential) {
- return Augmentation.class.isAssignableFrom(potential.getTargetType());
- }
-
- private boolean isAugmentationIdentifier(final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier processed) {
- return Iterables.getLast(processed.getPathArguments()) instanceof AugmentationIdentifier;
- }
-
- private static int getAugmentationCount(final InstanceIdentifier<?> potential) {
- int count = 0;
- for(org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument arg : potential.getPathArguments()) {
- if(isAugmentation(arg.getType())) {
- count++;
- }
-
- }
- return count;
- }
-
- private static int getAugmentationCount(final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier potential) {
- int count = 0;
- for(PathArgument arg : potential.getPathArguments()) {
- if(arg instanceof AugmentationIdentifier) {
- count++;
+ currentOp = currentOp.getChild(currentArg);
+ } catch (DataNormalizationException e) {
+ throw new IllegalArgumentException(String.format("Invalid child encountered in path %s", path), e);
}
}
- return count;
+ return currentOp.createDefault(path.getLastPathArgument());
}
- public Function<Optional<NormalizedNode<?, ?>>, Optional<DataObject>> deserializeFunction(final InstanceIdentifier<?> path) {
- return new DeserializeFunction(this, path);
+ public BindingIndependentMappingService getLegacy() {
+ return bindingToLegacy;
}
- private static class DeserializeFunction implements Function<Optional<NormalizedNode<?, ?>>, Optional<DataObject>> {
-
- private final BindingToNormalizedNodeCodec codec;
- private final InstanceIdentifier<?> path;
-
- public DeserializeFunction(final BindingToNormalizedNodeCodec codec, final InstanceIdentifier<?> path) {
- super();
- this.codec = Preconditions.checkNotNull(codec, "Codec must not be null");
- this.path = Preconditions.checkNotNull(path, "Path must not be null");
- }
-
- @Nullable
- @Override
- public Optional<DataObject> apply(@Nullable final Optional<NormalizedNode<?, ?>> normalizedNode) {
- if (normalizedNode.isPresent()) {
- final DataObject dataObject;
- try {
- dataObject = codec.toBinding(path, normalizedNode.get());
- } catch (DeserializationException e) {
- LOG.warn("Failed to create dataobject from node {}", normalizedNode.get(), e);
- throw new IllegalStateException("Failed to create dataobject", e);
- }
-
- if (dataObject != null) {
- return Optional.of(dataObject);
- }
- }
- return Optional.absent();
- }
+ @Override
+ public void close() throws Exception {
+ // NOOP Intentionally
}
}