+++ /dev/null
-/*
- * Copyright (c) 2017 Pantheon Technologies s.r.o. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-
-package org.opendaylight.mdsal.binding.javav2.dom.codec.impl.context.base;
-
-import com.google.common.annotations.Beta;
-import com.google.common.base.Preconditions;
-import com.google.common.base.Throwables;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.ImmutableSortedMap;
-import java.lang.invoke.MethodHandle;
-import java.lang.invoke.MethodHandles;
-import java.lang.invoke.MethodType;
-import java.lang.reflect.InvocationHandler;
-import java.lang.reflect.Method;
-import java.lang.reflect.Proxy;
-import java.util.Collection;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Optional;
-import java.util.SortedMap;
-import java.util.TreeMap;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import org.opendaylight.mdsal.binding.javav2.dom.codec.impl.context.ChoiceNodeCodecContext;
-import org.opendaylight.mdsal.binding.javav2.generator.api.ClassLoadingStrategy;
-import org.opendaylight.mdsal.binding.javav2.model.api.Type;
-import org.opendaylight.mdsal.binding.javav2.runtime.reflection.BindingReflections;
-import org.opendaylight.mdsal.binding.javav2.spec.base.TreeArgument;
-import org.opendaylight.mdsal.binding.javav2.spec.base.TreeNode;
-import org.opendaylight.mdsal.binding.javav2.spec.structural.Augmentable;
-import org.opendaylight.mdsal.binding.javav2.spec.structural.Augmentation;
-import org.opendaylight.mdsal.binding.javav2.spec.structural.AugmentationHolder;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
-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.util.SchemaNodeUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-@Beta
-public abstract class TreeNodeCodecContext<D extends TreeNode, T extends DataNodeContainer>
- extends DataContainerCodecContext<D, T> {
-
- private static final Logger LOG = LoggerFactory.getLogger(TreeNodeCodecContext.class);
- private static final MethodType CONSTRUCTOR_TYPE = MethodType.methodType(void.class, InvocationHandler.class);
- private static final MethodType TREENODE_TYPE = MethodType.methodType(TreeNode.class, InvocationHandler.class);
- private static final Comparator<Method> METHOD_BY_ALPHABET = Comparator.comparing(Method::getName);
-
- private final ImmutableMap<String, LeafNodeCodecContext<?>> leafChild;
- private final ImmutableMap<String, AnyxmlNodeCodecContext<?>> anyxmlChild;
- private final ImmutableMap<YangInstanceIdentifier.PathArgument, NodeContextSupplier> byYang;
- private final ImmutableSortedMap<Method, NodeContextSupplier> byMethod;
- private final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> byStreamClass;
- private final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> byBindingArgClass;
- private final ImmutableMap<AugmentationIdentifier, Type> possibleAugmentations;
- private final MethodHandle proxyConstructor;
-
- private final ConcurrentMap<PathArgument, DataContainerCodecPrototype<?>> byYangAugmented =
- new ConcurrentHashMap<>();
- private final ConcurrentMap<Class<?>, DataContainerCodecPrototype<?>> byStreamAugmented = new ConcurrentHashMap<>();
-
-
- protected TreeNodeCodecContext(final DataContainerCodecPrototype<T> prototype) {
- super(prototype);
-
- this.leafChild = factory().getLeafNodes(getBindingClass(), getSchema());
- this.anyxmlChild = factory().getAnyxmlNodes(getBindingClass(), getSchema());
-
- final Map<Class<?>, Method> clsToMethod = BindingReflections.getChildrenClassToMethod(getBindingClass());
-
- final Map<YangInstanceIdentifier.PathArgument, NodeContextSupplier> byYangBuilder = new HashMap<>();
- final SortedMap<Method, NodeContextSupplier> byMethodBuilder = new TreeMap<>(METHOD_BY_ALPHABET);
- final Map<Class<?>, DataContainerCodecPrototype<?>> byStreamClassBuilder = new HashMap<>();
- final Map<Class<?>, DataContainerCodecPrototype<?>> byBindingArgClassBuilder = new HashMap<>();
-
- // Adds leaves to mapping
- for (final LeafNodeCodecContext<?> leaf : leafChild.values()) {
- byMethodBuilder.put(leaf.getGetter(), leaf);
- byYangBuilder.put(leaf.getDomPathArgument(), leaf);
- }
-
- for (final AnyxmlNodeCodecContext<?> anyxml : anyxmlChild.values()) {
- byMethodBuilder.put(anyxml.getGetter(), anyxml);
- byYangBuilder.put(anyxml.getDomPathArgument(), anyxml);
- }
-
- for (final Entry<Class<?>, Method> childDataObj : clsToMethod.entrySet()) {
- final DataContainerCodecPrototype<?> childProto = loadChildPrototype(childDataObj.getKey());
- byMethodBuilder.put(childDataObj.getValue(), childProto);
- byStreamClassBuilder.put(childProto.getBindingClass(), childProto);
- byYangBuilder.put(childProto.getYangArg(), childProto);
-
- if (childProto.isChoice()) {
- final ChoiceNodeCodecContext<?> choice = (ChoiceNodeCodecContext<?>) childProto.get();
- choice.getClassCaseChildren().entrySet().forEach(entry ->
- byBindingArgClassBuilder.put(entry.getKey(), childProto));
-
- choice.getYangCaseChildren().entrySet().forEach(entry ->
- byYangBuilder.put(entry.getKey(), childProto));
- }
- }
-
- this.byMethod = ImmutableSortedMap.copyOfSorted(byMethodBuilder);
- this.byYang = ImmutableMap.copyOf(byYangBuilder);
- this.byStreamClass = ImmutableMap.copyOf(byStreamClassBuilder);
- byBindingArgClassBuilder.putAll(byStreamClass);
- this.byBindingArgClass = ImmutableMap.copyOf(byBindingArgClassBuilder);
-
-
- if (Augmentable.class.isAssignableFrom(getBindingClass())) {
- this.possibleAugmentations = factory().getRuntimeContext().getAvailableAugmentationTypes(getSchema());
- } else {
- this.possibleAugmentations = ImmutableMap.of();
- }
- reloadAllAugmentations();
-
- final Class<?> proxyClass = Proxy.getProxyClass(getBindingClass().getClassLoader(),
- new Class[] { getBindingClass(), AugmentationHolder.class });
- try {
- proxyConstructor = MethodHandles.publicLookup().findConstructor(proxyClass, CONSTRUCTOR_TYPE)
- .asType(TREENODE_TYPE);
- } catch (NoSuchMethodException | IllegalAccessException e) {
- throw new IllegalStateException("Failed to find contructor for class " + proxyClass, e);
- }
- }
-
- private void reloadAllAugmentations() {
- for (final Entry<AugmentationIdentifier, Type> augment : possibleAugmentations.entrySet()) {
- final DataContainerCodecPrototype<?> augProto = getAugmentationPrototype(augment.getValue());
- if (augProto != null) {
- byYangAugmented.putIfAbsent(augProto.getYangArg(), augProto);
- byStreamAugmented.putIfAbsent(augProto.getBindingClass(), augProto);
- }
- }
- }
-
- @Nonnull
- @SuppressWarnings("unchecked")
- @Override
- public <C extends TreeNode> DataContainerCodecContext<C, ?> streamChild(@Nonnull final Class<C> childClass) {
- final DataContainerCodecPrototype<?> childProto = streamChildPrototype(childClass);
- return (DataContainerCodecContext<C, ?>) childNonNull(childProto, childClass, " Child %s is not valid child.",
- childClass).get();
- }
-
- private DataContainerCodecPrototype<?> streamChildPrototype(final Class<?> childClass) {
- final DataContainerCodecPrototype<?> childProto = byStreamClass.get(childClass);
- if (childProto != null) {
- return childProto;
- }
- if (Augmentation.class.isAssignableFrom(childClass)) {
- return augmentationByClass(childClass);
- }
- return null;
- }
-
- @SuppressWarnings("unchecked")
- @Override
- public <C extends TreeNode> Optional<DataContainerCodecContext<C, ?>> possibleStreamChild(
- @Nonnull final Class<C> childClass) {
- final DataContainerCodecPrototype<?> childProto = streamChildPrototype(childClass);
- if (childProto != null) {
- return Optional.of((DataContainerCodecContext<C,?>) childProto.get());
- }
- return Optional.empty();
- }
-
- @Nonnull
- @Override
- public DataContainerCodecContext<?,?> bindingPathArgumentChild(final TreeArgument<?> arg,
- final List<PathArgument> builder) {
-
- final Class<? extends TreeNode> argType = (Class<? extends TreeNode>) arg.getType();
- DataContainerCodecPrototype<?> ctxProto = byBindingArgClass.get(argType);
- if (ctxProto == null && Augmentation.class.isAssignableFrom(argType)) {
- ctxProto = augmentationByClass(argType);
- }
- final DataContainerCodecContext<?, ?> context =
- childNonNull(ctxProto, argType, "Class %s is not valid child of %s", argType, getBindingClass()).get();
-
- if (context instanceof ChoiceNodeCodecContext) {
- final ChoiceNodeCodecContext<?> choice = (ChoiceNodeCodecContext<?>) context;
- final DataContainerCodecContext<?, ?> caze = choice.getCaseByChildClass(argType);
- // FIXME: Instance identifier should not reference choice or case as they're
- // not data tree nodes.
- return caze.bindingPathArgumentChild(arg, builder);
- }
-
- context.addYangPathArgument(arg, builder);
- return context;
- }
-
- @Nonnull
- @SuppressWarnings("unchecked")
- @Override
- public NodeCodecContext<D> yangPathArgumentChild(final YangInstanceIdentifier.PathArgument arg) {
- final NodeContextSupplier childSupplier;
- if (arg instanceof NodeIdentifierWithPredicates) {
- childSupplier = byYang.get(new NodeIdentifier(arg.getNodeType()));
- } else if (arg instanceof AugmentationIdentifier) {
- childSupplier = yangAugmentationChild((AugmentationIdentifier) arg);
- } else {
- childSupplier = byYang.get(arg);
- }
-
- // FIXME: Since instance identifier does not reference choice or case,
- // we should search in data children of choice/case
- if (childSupplier instanceof DataContainerCodecPrototype) {
- final DataContainerCodecContext<?,T> context = ((DataContainerCodecPrototype) childSupplier).get();
- if (context instanceof ChoiceNodeCodecContext) {
- return (NodeCodecContext<D>) childNonNull(((ChoiceNodeCodecContext) context).yangPathArgumentChild(arg),
- arg, "Argument %s is not valid child of %s", arg, getSchema());
- }
- }
-
- return (NodeCodecContext<D>) childNonNull(childSupplier, arg,
- "Argument %s is not valid child of %s", arg, getSchema()).get();
- }
-
- public final LeafNodeCodecContext<?> getLeafChild(final String name) {
- final LeafNodeCodecContext<?> value = leafChild.get(name);
- return IncorrectNestingException.checkNonNull(value, "Leaf %s is not valid for %s", name, getBindingClass());
- }
-
- public final AnyxmlNodeCodecContext<?> getAnyxmlChild(final String name) {
- final AnyxmlNodeCodecContext<?> value = anyxmlChild.get(name);
- return IncorrectNestingException.checkNonNull(value, "Anyxml %s is not valid for %s", name, getBindingClass());
- }
-
- private DataContainerCodecPrototype<?> loadChildPrototype(final Class<?> childClass) {
- final DataSchemaNode origDef = factory().getRuntimeContext().getSchemaDefinition(childClass);
- // Direct instantiation or use in same module in which grouping
- // was defined.
- DataSchemaNode sameName;
- try {
- sameName = getSchema().getDataChildByName(origDef.getQName());
- } catch (final IllegalArgumentException e) {
- sameName = null;
- }
- final DataSchemaNode childSchema;
- if (sameName != null) {
- // Exactly same schema node
- if (origDef.equals(sameName)) {
- childSchema = sameName;
- // We check if instantiated node was added via uses
- // statement and is instantiation of same grouping
- } else if (origDef.equals(SchemaNodeUtils.getRootOriginalIfPossible(sameName))) {
- childSchema = sameName;
- } else {
- // Node has same name, but clearly is different
- childSchema = null;
- }
- } else {
- // We are looking for instantiation via uses in other module
- final QName instantiedName = QName.create(namespace(), origDef.getQName().getLocalName());
- final DataSchemaNode potential = getSchema().getDataChildByName(instantiedName);
- // We check if it is really instantiated from same
- // definition as class was derived
- if (potential != null && origDef.equals(SchemaNodeUtils.getRootOriginalIfPossible(potential))) {
- childSchema = potential;
- } else {
- childSchema = null;
- }
- }
- final DataSchemaNode nonNullChild =
- childNonNull(childSchema, childClass, "Node %s does not have child named %s", getSchema(), childClass);
- return DataContainerCodecPrototype.from(childClass, nonNullChild, factory());
- }
-
- private DataContainerCodecPrototype<?> yangAugmentationChild(final AugmentationIdentifier arg) {
- final DataContainerCodecPrototype<?> firstTry = byYangAugmented.get(arg);
- if (firstTry != null) {
- return firstTry;
- }
- if (possibleAugmentations.containsKey(arg)) {
- reloadAllAugmentations();
- return byYangAugmented.get(arg);
- }
- return null;
- }
-
- @Nullable
- private DataContainerCodecPrototype<?> augmentationByClass(@Nonnull final Class<?> childClass) {
- final DataContainerCodecPrototype<?> firstTry = augmentationByClassOrEquivalentClass(childClass);
- if (firstTry != null) {
- return firstTry;
- }
- reloadAllAugmentations();
- return augmentationByClassOrEquivalentClass(childClass);
- }
-
- @Nullable
- private DataContainerCodecPrototype<?> augmentationByClassOrEquivalentClass(@Nonnull final Class<?> childClass) {
- final DataContainerCodecPrototype<?> childProto = byStreamAugmented.get(childClass);
- if (childProto != null) {
- return childProto;
- }
-
- /*
- * It is potentially mismatched valid augmentation - we look up equivalent augmentation
- * using reflection and walk all stream child and compare augmenations classes if they are
- * equivalent.
- *
- * FIXME: Cache mapping of mismatched augmentation to real one, to speed up lookup.
- */
- @SuppressWarnings("rawtypes")
- final Class<?> augTarget = BindingReflections.findAugmentationTarget((Class) childClass);
- if (getBindingClass().equals(augTarget)) {
- for (final DataContainerCodecPrototype<?> realChild : byStreamAugmented.values()) {
- if (Augmentation.class.isAssignableFrom(realChild.getBindingClass())
- && BindingReflections.isSubstitutionFor(childClass, realChild.getBindingClass())) {
- return realChild;
- }
- }
- }
- return null;
- }
-
- private DataContainerCodecPrototype<?> getAugmentationPrototype(final Type value) {
- final ClassLoadingStrategy loader = factory().getRuntimeContext().getStrategy();
- @SuppressWarnings("rawtypes")
- final Class augClass;
- try {
- augClass = loader.loadClass(value);
- } catch (final ClassNotFoundException e) {
- LOG.debug("Failed to load augmentation prototype for {}. Will be retried when needed.", value, e);
- return null;
- }
-
- @SuppressWarnings("unchecked")
- final Entry<AugmentationIdentifier, AugmentationSchemaNode> augSchema = factory().getRuntimeContext()
- .getResolvedAugmentationSchema(getSchema(), augClass);
- return DataContainerCodecPrototype.from(augClass, augSchema.getKey(), augSchema.getValue(), factory());
- }
-
- @SuppressWarnings("rawtypes")
- public Object getBindingChildValue(final Method method, final NormalizedNodeContainer domData) {
- final NodeCodecContext<?> childContext = byMethod.get(method).get();
- @SuppressWarnings("unchecked")
- final Optional<NormalizedNode<?, ?>> domChild = domData.getChild(childContext.getDomPathArgument());
- if (domChild.isPresent()) {
- return childContext.deserializeObject(domChild.get());
- } else if (childContext instanceof LeafNodeCodecContext) {
- return ((LeafNodeCodecContext)childContext).defaultObject();
- } else {
- return null;
- }
- }
-
- @SuppressWarnings("checkstyle:illegalCatch")
- protected final D createBindingProxy(final NormalizedNodeContainer<?, ?, ?> node) {
- try {
- return (D) proxyConstructor.invokeExact((InvocationHandler) new LazyTreeNode<>(this, node));
- } catch (final Throwable e) {
- throw Throwables.propagate(e);
- }
- }
-
- @SuppressWarnings("unchecked")
- public Map<Class<? extends Augmentation<?>>, Augmentation<?>> getAllAugmentationsFrom(
- final NormalizedNodeContainer<?, PathArgument, NormalizedNode<?, ?>> data) {
-
- @SuppressWarnings("rawtypes")
- final Map map = new HashMap<>();
-
- for (final NormalizedNode<?, ?> childValue : data.getValue()) {
- if (childValue instanceof AugmentationNode) {
- final AugmentationNode augDomNode = (AugmentationNode) childValue;
- final DataContainerCodecPrototype<?> codecProto = yangAugmentationChild(augDomNode.getIdentifier());
- if (codecProto != null) {
- final DataContainerCodecContext<?, ?> codec = codecProto.get();
- map.put(codec.getBindingClass(), codec.deserializeObject(augDomNode));
- }
- }
- }
- for (final DataContainerCodecPrototype<?> value : byStreamAugmented.values()) {
- final Optional<NormalizedNode<?, ?>> augData = data.getChild(value.getYangArg());
- if (augData.isPresent()) {
- map.put(value.getBindingClass(), value.get().deserializeObject(augData.get()));
- }
- }
- return map;
- }
-
- public Collection<Method> getHashCodeAndEqualsMethods() {
- return byMethod.keySet();
- }
-
- @Override
- public TreeArgument deserializePathArgument(final YangInstanceIdentifier.PathArgument arg) {
- Preconditions.checkArgument(getDomPathArgument().equals(arg));
- return bindingArg();
- }
-
- @Override
- public YangInstanceIdentifier.PathArgument serializePathArgument(final TreeArgument arg) {
- Preconditions.checkArgument(bindingArg().equals(arg));
- return getDomPathArgument();
- }
-
-}