2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.mdsal.binding.dom.codec.impl;
10 import static com.google.common.base.Preconditions.checkArgument;
11 import static com.google.common.base.Verify.verify;
12 import static com.google.common.base.Verify.verifyNotNull;
13 import static java.util.Objects.requireNonNull;
15 import com.google.common.base.Throwables;
16 import com.google.common.collect.ImmutableMap;
17 import com.google.common.collect.ImmutableMap.Builder;
18 import java.io.IOException;
19 import java.lang.invoke.MethodHandle;
20 import java.lang.invoke.MethodHandles;
21 import java.lang.invoke.MethodType;
22 import java.lang.reflect.Method;
23 import java.util.Arrays;
24 import java.util.Comparator;
25 import java.util.HashMap;
26 import java.util.Iterator;
27 import java.util.List;
29 import java.util.Map.Entry;
30 import java.util.Optional;
31 import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
32 import javassist.CannotCompileException;
33 import javassist.CtClass;
34 import javassist.NotFoundException;
35 import org.eclipse.jdt.annotation.NonNull;
36 import org.eclipse.jdt.annotation.Nullable;
37 import org.opendaylight.mdsal.binding.dom.codec.loader.StaticClassPool;
38 import org.opendaylight.mdsal.binding.generator.api.ClassLoadingStrategy;
39 import org.opendaylight.mdsal.binding.model.api.JavaTypeName;
40 import org.opendaylight.mdsal.binding.model.api.Type;
41 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
42 import org.opendaylight.yangtools.concepts.Immutable;
43 import org.opendaylight.yangtools.util.ClassLoaderUtils;
44 import org.opendaylight.yangtools.yang.binding.Augmentable;
45 import org.opendaylight.yangtools.yang.binding.Augmentation;
46 import org.opendaylight.yangtools.yang.binding.DataObject;
47 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
48 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.Item;
49 import org.opendaylight.yangtools.yang.binding.OpaqueObject;
50 import org.opendaylight.yangtools.yang.common.QName;
51 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
52 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
53 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
54 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
55 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
56 import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
57 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
58 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
59 import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
60 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
61 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
62 import org.opendaylight.yangtools.yang.model.api.DocumentedNode.WithStatus;
63 import org.opendaylight.yangtools.yang.model.util.SchemaNodeUtils;
64 import org.slf4j.Logger;
65 import org.slf4j.LoggerFactory;
67 abstract class DataObjectCodecContext<D extends DataObject, T extends DataNodeContainer & WithStatus>
68 extends DataContainerCodecContext<D, T> {
69 private static final class Augmentations implements Immutable {
70 final ImmutableMap<YangInstanceIdentifier.PathArgument, DataContainerCodecPrototype<?>> byYang;
71 final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> byStream;
73 Augmentations(final ImmutableMap<YangInstanceIdentifier.PathArgument, DataContainerCodecPrototype<?>> byYang,
74 final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> byStream) {
75 this.byYang = requireNonNull(byYang);
76 this.byStream = requireNonNull(byStream);
80 private static final Logger LOG = LoggerFactory.getLogger(DataObjectCodecContext.class);
81 private static final MethodType CONSTRUCTOR_TYPE = MethodType.methodType(void.class, NormalizedNodeContainer.class);
82 private static final MethodType AUGMENTABLE_CONSTRUCTOR_TYPE = MethodType.methodType(void.class,
83 DataObjectCodecContext.class, NormalizedNodeContainer.class);
84 private static final MethodType DATAOBJECT_TYPE = MethodType.methodType(DataObject.class,
85 NormalizedNodeContainer.class);
86 private static final MethodType AUGMENTABLE_DATAOBJECT_TYPE = MethodType.methodType(DataObject.class,
87 DataObjectCodecContext.class, NormalizedNodeContainer.class);
88 private static final Comparator<Method> METHOD_BY_ALPHABET = Comparator.comparing(Method::getName);
89 private static final Augmentations EMPTY_AUGMENTATIONS = new Augmentations(ImmutableMap.of(), ImmutableMap.of());
90 private static final CtClass SUPERCLASS = StaticClassPool.findClass(CodecDataObject.class);
91 private static final CtClass AUGMENTABLE_SUPERCLASS = StaticClassPool.findClass(
92 AugmentableCodecDataObject.class);
94 private final ImmutableMap<String, ValueNodeCodecContext> leafChild;
95 private final ImmutableMap<YangInstanceIdentifier.PathArgument, NodeContextSupplier> byYang;
96 private final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> byStreamClass;
97 private final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> byBindingArgClass;
98 private final ImmutableMap<AugmentationIdentifier, Type> possibleAugmentations;
99 private final MethodHandle proxyConstructor;
101 @SuppressWarnings("rawtypes")
102 private static final AtomicReferenceFieldUpdater<DataObjectCodecContext, Augmentations>
103 AUGMENTATIONS_UPDATER = AtomicReferenceFieldUpdater.newUpdater(DataObjectCodecContext.class,
104 Augmentations.class, "augmentations");
105 private volatile Augmentations augmentations = EMPTY_AUGMENTATIONS;
107 private volatile ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> mismatchedAugmented = ImmutableMap.of();
109 DataObjectCodecContext(final DataContainerCodecPrototype<T> prototype) {
110 this(prototype, null);
113 DataObjectCodecContext(final DataContainerCodecPrototype<T> prototype,
114 final Entry<Method, IdentifiableItemCodec> keyMethod) {
117 final Class<D> bindingClass = getBindingClass();
118 this.leafChild = factory().getLeafNodes(bindingClass, getSchema());
120 final Map<Class<?>, Method> clsToMethod = BindingReflections.getChildrenClassToMethod(bindingClass);
122 final Map<YangInstanceIdentifier.PathArgument, NodeContextSupplier> byYangBuilder = new HashMap<>();
123 final Map<Method, NodeContextSupplier> tmpMethodToSupplier = new HashMap<>();
124 final Map<Class<?>, DataContainerCodecPrototype<?>> byStreamClassBuilder = new HashMap<>();
125 final Map<Class<?>, DataContainerCodecPrototype<?>> byBindingArgClassBuilder = new HashMap<>();
127 // Adds leaves to mapping
128 for (final ValueNodeCodecContext leaf : leafChild.values()) {
129 tmpMethodToSupplier.put(leaf.getGetter(), leaf);
130 byYangBuilder.put(leaf.getDomPathArgument(), leaf);
133 for (final Entry<Class<?>, Method> childDataObj : clsToMethod.entrySet()) {
134 final Method method = childDataObj.getValue();
135 verify(!method.isDefault(), "Unexpected default method %s in %s", method, bindingClass);
137 final Class<?> retClass = childDataObj.getKey();
138 if (OpaqueObject.class.isAssignableFrom(retClass)) {
139 // Filter OpaqueObjects, they are not containers
143 final DataContainerCodecPrototype<?> childProto = loadChildPrototype(retClass);
144 tmpMethodToSupplier.put(method, childProto);
145 byStreamClassBuilder.put(childProto.getBindingClass(), childProto);
146 byYangBuilder.put(childProto.getYangArg(), childProto);
147 if (childProto.isChoice()) {
148 final ChoiceNodeCodecContext<?> choice = (ChoiceNodeCodecContext<?>) childProto.get();
149 for (final Class<?> cazeChild : choice.getCaseChildrenClasses()) {
150 byBindingArgClassBuilder.put(cazeChild, childProto);
155 // Make sure properties are alpha-sorted
156 final Method[] properties = tmpMethodToSupplier.keySet().toArray(new Method[0]);
157 Arrays.sort(properties, METHOD_BY_ALPHABET);
158 final Builder<Method, NodeContextSupplier> propBuilder = ImmutableMap.builderWithExpectedSize(
160 for (Method prop : properties) {
161 propBuilder.put(prop, verifyNotNull(tmpMethodToSupplier.get(prop)));
164 this.byYang = ImmutableMap.copyOf(byYangBuilder);
165 this.byStreamClass = ImmutableMap.copyOf(byStreamClassBuilder);
166 byBindingArgClassBuilder.putAll(byStreamClass);
167 this.byBindingArgClass = ImmutableMap.copyOf(byBindingArgClassBuilder);
169 final CtClass superClass;
170 final MethodType ctorType;
171 if (Augmentable.class.isAssignableFrom(bindingClass)) {
172 this.possibleAugmentations = factory().getRuntimeContext().getAvailableAugmentationTypes(getSchema());
173 superClass = AUGMENTABLE_SUPERCLASS;
174 ctorType = AUGMENTABLE_CONSTRUCTOR_TYPE;
176 this.possibleAugmentations = ImmutableMap.of();
177 superClass = SUPERCLASS;
178 ctorType = CONSTRUCTOR_TYPE;
180 reloadAllAugmentations();
182 final Class<?> generatedClass;
184 generatedClass = prototype.getFactory().getLoader().generateSubclass(superClass, bindingClass, "codecImpl",
185 new CodecDataObjectCustomizer(propBuilder.build(), keyMethod));
186 } catch (CannotCompileException | IOException | NotFoundException e) {
187 throw new LinkageError("Failed to generated class for " + bindingClass, e);
190 final MethodHandle ctor;
192 ctor = MethodHandles.publicLookup().findConstructor(generatedClass, ctorType);
193 } catch (NoSuchMethodException | IllegalAccessException e) {
194 throw new LinkageError("Failed to find contructor for class " + generatedClass, e);
197 if (Augmentable.class.isAssignableFrom(bindingClass)) {
198 proxyConstructor = ctor.asType(AUGMENTABLE_DATAOBJECT_TYPE).bindTo(this);
200 proxyConstructor = ctor.asType(DATAOBJECT_TYPE);
204 // This method could be synchronized, but that would mean that concurrent attempts to load an invalid augmentation
205 // would end up being unnecessarily contended -- blocking real progress and not being able to run concurrently
206 // while producing no effect. We therefore use optimistic read + CAS.
207 private void reloadAllAugmentations() {
208 // Load current values
209 Augmentations oldAugmentations = augmentations;
211 // FIXME: can we detect when we have both maps fully populated and skip all of this?
213 // Scratch space for additions
214 final Map<PathArgument, DataContainerCodecPrototype<?>> addByYang = new HashMap<>();
215 final Map<Class<?>, DataContainerCodecPrototype<?>> addByStream = new HashMap<>();
217 // Iterate over all possibilities, checking for modifications.
218 for (final Type augment : possibleAugmentations.values()) {
219 final DataContainerCodecPrototype<?> augProto = getAugmentationPrototype(augment);
220 if (augProto != null) {
221 final PathArgument yangArg = augProto.getYangArg();
222 final Class<?> bindingClass = augProto.getBindingClass();
223 if (!oldAugmentations.byYang.containsKey(yangArg)) {
224 if (addByYang.putIfAbsent(yangArg, augProto) == null) {
225 LOG.trace("Discovered new YANG mapping {} -> {} in {}", yangArg, augProto, this);
228 if (!oldAugmentations.byStream.containsKey(bindingClass)) {
229 if (addByStream.putIfAbsent(bindingClass, augProto) == null) {
230 LOG.trace("Discovered new class mapping {} -> {} in {}", bindingClass, augProto, this);
237 if (addByYang.isEmpty() && addByStream.isEmpty()) {
238 LOG.trace("No new augmentations discovered in {}", this);
242 // We have some additions, propagate them out
243 final Augmentations newAugmentations = new Augmentations(concatMaps(oldAugmentations.byYang, addByYang),
244 concatMaps(oldAugmentations.byStream, addByStream));
245 if (AUGMENTATIONS_UPDATER.compareAndSet(this, oldAugmentations, newAugmentations)) {
246 // Success, we are done
250 // We have raced installing new augmentations, read them again, remove everything present in the installed
251 // once and try again. This may mean that we end up not doing anything, but that's fine.
252 oldAugmentations = augmentations;
254 // We could use Map.removeAll(oldAugmentations.byYang.keySet()), but that forces the augmentation's keyset
255 // to be materialized, which we otherwise do not need. Hence we do this the other way around, instantiating
256 // our temporary maps' keySets and iterating over them. That's fine as we'll be throwing those maps away.
257 removeMapKeys(addByYang, oldAugmentations.byYang);
258 removeMapKeys(addByStream, oldAugmentations.byStream);
262 private static <K, V> ImmutableMap<K, V> concatMaps(final ImmutableMap<K, V> old, final Map<K, V> add) {
267 final Builder<K, V> builder = ImmutableMap.builderWithExpectedSize(old.size() + add.size());
270 return builder.build();
273 private static <K, V> void removeMapKeys(final Map<K, V> removeFrom, final ImmutableMap<K, V> map) {
274 final Iterator<K> it = removeFrom.keySet().iterator();
275 while (it.hasNext()) {
276 if (map.containsKey(it.next())) {
282 @SuppressWarnings("unchecked")
284 public <C extends DataObject> DataContainerCodecContext<C, ?> streamChild(final Class<C> childClass) {
285 final DataContainerCodecPrototype<?> childProto = streamChildPrototype(childClass);
286 return (DataContainerCodecContext<C, ?>) childNonNull(childProto, childClass, " Child %s is not valid child.",
290 private DataContainerCodecPrototype<?> streamChildPrototype(final Class<?> childClass) {
291 final DataContainerCodecPrototype<?> childProto = byStreamClass.get(childClass);
292 if (childProto != null) {
295 if (Augmentation.class.isAssignableFrom(childClass)) {
296 return augmentationByClass(childClass);
301 @SuppressWarnings("unchecked")
303 public <C extends DataObject> Optional<DataContainerCodecContext<C, ?>> possibleStreamChild(
304 final Class<C> childClass) {
305 final DataContainerCodecPrototype<?> childProto = streamChildPrototype(childClass);
306 if (childProto != null) {
307 return Optional.of((DataContainerCodecContext<C, ?>) childProto.get());
309 return Optional.empty();
313 public DataContainerCodecContext<?,?> bindingPathArgumentChild(final InstanceIdentifier.PathArgument arg,
314 final List<YangInstanceIdentifier.PathArgument> builder) {
316 final Class<? extends DataObject> argType = arg.getType();
317 DataContainerCodecPrototype<?> ctxProto = byBindingArgClass.get(argType);
318 if (ctxProto == null && Augmentation.class.isAssignableFrom(argType)) {
319 ctxProto = augmentationByClass(argType);
321 final DataContainerCodecContext<?, ?> context = childNonNull(ctxProto, argType,
322 "Class %s is not valid child of %s", argType, getBindingClass()).get();
323 if (context instanceof ChoiceNodeCodecContext) {
324 final ChoiceNodeCodecContext<?> choice = (ChoiceNodeCodecContext<?>) context;
325 choice.addYangPathArgument(arg, builder);
327 final Optional<? extends Class<? extends DataObject>> caseType = arg.getCaseType();
328 final Class<? extends DataObject> type = arg.getType();
329 final DataContainerCodecContext<?, ?> caze;
330 if (caseType.isPresent()) {
331 // Non-ambiguous addressing this should not pose any problems
332 caze = choice.streamChild(caseType.get());
334 caze = choice.getCaseByChildClass(type);
337 caze.addYangPathArgument(arg, builder);
338 return caze.bindingPathArgumentChild(arg, builder);
340 context.addYangPathArgument(arg, builder);
345 public NodeCodecContext yangPathArgumentChild(final YangInstanceIdentifier.PathArgument arg) {
346 final NodeContextSupplier childSupplier;
347 if (arg instanceof NodeIdentifierWithPredicates) {
348 childSupplier = byYang.get(new NodeIdentifier(arg.getNodeType()));
349 } else if (arg instanceof AugmentationIdentifier) {
350 childSupplier = yangAugmentationChild((AugmentationIdentifier) arg);
352 childSupplier = byYang.get(arg);
355 return childNonNull(childSupplier, arg, "Argument %s is not valid child of %s", arg, getSchema()).get();
358 protected final ValueNodeCodecContext getLeafChild(final String name) {
359 final ValueNodeCodecContext value = leafChild.get(name);
360 return IncorrectNestingException.checkNonNull(value, "Leaf %s is not valid for %s", name, getBindingClass());
363 private DataContainerCodecPrototype<?> loadChildPrototype(final Class<?> childClass) {
364 final DataSchemaNode origDef = factory().getRuntimeContext().getSchemaDefinition(childClass);
365 // Direct instantiation or use in same module in which grouping
367 DataSchemaNode sameName;
369 sameName = getSchema().getDataChildByName(origDef.getQName());
370 } catch (final IllegalArgumentException e) {
373 final DataSchemaNode childSchema;
374 if (sameName != null) {
375 // Exactly same schema node
376 if (origDef.equals(sameName)) {
377 childSchema = sameName;
378 // We check if instantiated node was added via uses
379 // statement and is instantiation of same grouping
380 } else if (origDef.equals(SchemaNodeUtils.getRootOriginalIfPossible(sameName))) {
381 childSchema = sameName;
383 // Node has same name, but clearly is different
387 // We are looking for instantiation via uses in other module
388 final QName instantiedName = origDef.getQName().withModule(namespace());
389 final DataSchemaNode potential = getSchema().getDataChildByName(instantiedName);
390 // We check if it is really instantiated from same
391 // definition as class was derived
392 if (potential != null && origDef.equals(SchemaNodeUtils.getRootOriginalIfPossible(potential))) {
393 childSchema = potential;
398 final DataSchemaNode nonNullChild =
399 childNonNull(childSchema, childClass, "Node %s does not have child named %s", getSchema(), childClass);
400 return DataContainerCodecPrototype.from(createBindingArg(childClass, nonNullChild), nonNullChild, factory());
403 @SuppressWarnings("unchecked")
404 Item<?> createBindingArg(final Class<?> childClass, final DataSchemaNode childSchema) {
405 return Item.of((Class<? extends DataObject>) childClass);
408 private DataContainerCodecPrototype<?> yangAugmentationChild(final AugmentationIdentifier arg) {
409 final DataContainerCodecPrototype<?> firstTry = augmentations.byYang.get(arg);
410 if (firstTry != null) {
413 if (possibleAugmentations.containsKey(arg)) {
414 // Try to load augmentations, which will potentially update knownAugmentations, hence we re-load that field
416 reloadAllAugmentations();
417 return augmentations.byYang.get(arg);
422 private @Nullable DataContainerCodecPrototype<?> augmentationByClass(final @NonNull Class<?> childClass) {
423 DataContainerCodecPrototype<?> lookup = augmentationByClassOrEquivalentClass(childClass);
424 if (lookup != null || !isPotentialAugmentation(childClass)) {
428 // Attempt to reload all augmentations using TCCL and lookup again
429 reloadAllAugmentations();
430 lookup = augmentationByClassOrEquivalentClass(childClass);
431 if (lookup != null) {
435 // Still no result, this can be caused by TCCL not being set up properly -- try the class's ClassLoader
437 final ClassLoader loader = childClass.getClassLoader();
438 if (loader == null) {
442 LOG.debug("Class {} not loaded via TCCL, attempting to recover", childClass);
443 ClassLoaderUtils.runWithClassLoader(loader, this::reloadAllAugmentations);
444 return augmentationByClassOrEquivalentClass(childClass);
447 private boolean isPotentialAugmentation(final Class<?> childClass) {
448 final JavaTypeName name = JavaTypeName.create(childClass);
449 for (Type type : possibleAugmentations.values()) {
450 if (name.equals(type.getIdentifier())) {
457 private @Nullable DataContainerCodecPrototype<?> augmentationByClassOrEquivalentClass(
458 final @NonNull Class<?> childClass) {
459 // Perform a single load, so we can reuse it if we end up going to the reflection-based slow path
460 final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> local = augmentations.byStream;
461 final DataContainerCodecPrototype<?> childProto = local.get(childClass);
462 if (childProto != null) {
467 * It is potentially mismatched valid augmentation - we look up equivalent augmentation using reflection
468 * and walk all stream child and compare augmentations classes if they are equivalent. When we find a match
469 * we'll cache it so we do not need to perform reflection operations again.
471 final DataContainerCodecPrototype<?> mismatched = mismatchedAugmented.get(childClass);
472 if (mismatched != null) {
476 @SuppressWarnings("rawtypes")
477 final Class<?> augTarget = BindingReflections.findAugmentationTarget((Class) childClass);
478 if (getBindingClass().equals(augTarget)) {
479 for (final DataContainerCodecPrototype<?> realChild : local.values()) {
480 if (Augmentation.class.isAssignableFrom(realChild.getBindingClass())
481 && BindingReflections.isSubstitutionFor(childClass, realChild.getBindingClass())) {
482 return cacheMismatched(childClass, realChild);
486 LOG.trace("Failed to resolve {} as a valid augmentation in {}", childClass, this);
490 private synchronized DataContainerCodecPrototype<?> cacheMismatched(final Class<?> childClass,
491 final DataContainerCodecPrototype<?> prototype) {
492 // Original access was unsynchronized, we need to perform additional checking
493 final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> local = mismatchedAugmented;
494 final DataContainerCodecPrototype<?> existing = local.get(childClass);
495 if (existing != null) {
499 final Builder<Class<?>, DataContainerCodecPrototype<?>> builder = ImmutableMap.builderWithExpectedSize(
501 builder.putAll(local);
502 builder.put(childClass, prototype);
504 mismatchedAugmented = builder.build();
505 LOG.trace("Cached mismatched augmentation {} -> {} in {}", childClass, prototype, this);
509 private DataContainerCodecPrototype<?> getAugmentationPrototype(final Type value) {
510 final ClassLoadingStrategy loader = factory().getRuntimeContext().getStrategy();
511 @SuppressWarnings("rawtypes")
512 final Class augClass;
514 augClass = loader.loadClass(value);
515 } catch (final ClassNotFoundException e) {
516 LOG.debug("Failed to load augmentation prototype for {}. Will be retried when needed.", value, e);
520 @SuppressWarnings("unchecked")
521 final Entry<AugmentationIdentifier, AugmentationSchemaNode> augSchema = factory().getRuntimeContext()
522 .getResolvedAugmentationSchema(getSchema(), augClass);
523 return DataContainerCodecPrototype.from(augClass, augSchema.getKey(), augSchema.getValue(), factory());
526 @SuppressWarnings("checkstyle:illegalCatch")
527 protected final D createBindingProxy(final NormalizedNodeContainer<?, ?, ?> node) {
529 return (D) proxyConstructor.invokeExact(node);
530 } catch (final Throwable e) {
531 Throwables.throwIfUnchecked(e);
532 throw new IllegalStateException(e);
536 @SuppressWarnings("unchecked")
537 Map<Class<? extends Augmentation<?>>, Augmentation<?>> getAllAugmentationsFrom(
538 final NormalizedNodeContainer<?, PathArgument, NormalizedNode<?, ?>> data) {
540 @SuppressWarnings("rawtypes")
541 final Map map = new HashMap<>();
543 for (final NormalizedNode<?, ?> childValue : data.getValue()) {
544 if (childValue instanceof AugmentationNode) {
545 final AugmentationNode augDomNode = (AugmentationNode) childValue;
546 final DataContainerCodecPrototype<?> codecProto = yangAugmentationChild(augDomNode.getIdentifier());
547 if (codecProto != null) {
548 final DataContainerCodecContext<?, ?> codec = codecProto.get();
549 map.put(codec.getBindingClass(), codec.deserializeObject(augDomNode));
553 for (final DataContainerCodecPrototype<?> value : augmentations.byStream.values()) {
554 final Optional<NormalizedNode<?, ?>> augData = data.getChild(value.getYangArg());
555 if (augData.isPresent()) {
556 map.put(value.getBindingClass(), value.get().deserializeObject(augData.get()));
563 public InstanceIdentifier.PathArgument deserializePathArgument(final YangInstanceIdentifier.PathArgument arg) {
564 checkArgument(getDomPathArgument().equals(arg));
569 public YangInstanceIdentifier.PathArgument serializePathArgument(final InstanceIdentifier.PathArgument arg) {
570 checkArgument(bindingArg().equals(arg));
571 return getDomPathArgument();