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 // FIXME: the presence of these two volatile fields may be preventing us from being able to improve
102 // DataContainerCodecPrototype.get() publication.
103 @SuppressWarnings("rawtypes")
104 private static final AtomicReferenceFieldUpdater<DataObjectCodecContext, Augmentations>
105 AUGMENTATIONS_UPDATER = AtomicReferenceFieldUpdater.newUpdater(DataObjectCodecContext.class,
106 Augmentations.class, "augmentations");
107 private volatile Augmentations augmentations = EMPTY_AUGMENTATIONS;
109 private volatile ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> mismatchedAugmented = ImmutableMap.of();
111 DataObjectCodecContext(final DataContainerCodecPrototype<T> prototype) {
112 this(prototype, null);
115 DataObjectCodecContext(final DataContainerCodecPrototype<T> prototype,
116 final Entry<Method, IdentifiableItemCodec> keyMethod) {
119 final Class<D> bindingClass = getBindingClass();
120 this.leafChild = factory().getLeafNodes(bindingClass, getSchema());
122 final Map<Class<?>, Method> clsToMethod = BindingReflections.getChildrenClassToMethod(bindingClass);
124 final Map<YangInstanceIdentifier.PathArgument, NodeContextSupplier> byYangBuilder = new HashMap<>();
125 final Map<Method, NodeContextSupplier> tmpMethodToSupplier = new HashMap<>();
126 final Map<Class<?>, DataContainerCodecPrototype<?>> byStreamClassBuilder = new HashMap<>();
127 final Map<Class<?>, DataContainerCodecPrototype<?>> byBindingArgClassBuilder = new HashMap<>();
129 // Adds leaves to mapping
130 for (final ValueNodeCodecContext leaf : leafChild.values()) {
131 tmpMethodToSupplier.put(leaf.getGetter(), leaf);
132 byYangBuilder.put(leaf.getDomPathArgument(), leaf);
135 for (final Entry<Class<?>, Method> childDataObj : clsToMethod.entrySet()) {
136 final Method method = childDataObj.getValue();
137 verify(!method.isDefault(), "Unexpected default method %s in %s", method, bindingClass);
139 final Class<?> retClass = childDataObj.getKey();
140 if (OpaqueObject.class.isAssignableFrom(retClass)) {
141 // Filter OpaqueObjects, they are not containers
145 final DataContainerCodecPrototype<?> childProto = loadChildPrototype(retClass);
146 tmpMethodToSupplier.put(method, childProto);
147 byStreamClassBuilder.put(childProto.getBindingClass(), childProto);
148 byYangBuilder.put(childProto.getYangArg(), childProto);
149 if (childProto.isChoice()) {
150 final ChoiceNodeCodecContext<?> choice = (ChoiceNodeCodecContext<?>) childProto.get();
151 for (final Class<?> cazeChild : choice.getCaseChildrenClasses()) {
152 byBindingArgClassBuilder.put(cazeChild, childProto);
157 // Make sure properties are alpha-sorted
158 final Method[] properties = tmpMethodToSupplier.keySet().toArray(new Method[0]);
159 Arrays.sort(properties, METHOD_BY_ALPHABET);
160 final Builder<Method, NodeContextSupplier> propBuilder = ImmutableMap.builderWithExpectedSize(
162 for (Method prop : properties) {
163 propBuilder.put(prop, verifyNotNull(tmpMethodToSupplier.get(prop)));
166 this.byYang = ImmutableMap.copyOf(byYangBuilder);
167 this.byStreamClass = ImmutableMap.copyOf(byStreamClassBuilder);
168 byBindingArgClassBuilder.putAll(byStreamClass);
169 this.byBindingArgClass = ImmutableMap.copyOf(byBindingArgClassBuilder);
171 final CtClass superClass;
172 final MethodType ctorType;
173 if (Augmentable.class.isAssignableFrom(bindingClass)) {
174 this.possibleAugmentations = factory().getRuntimeContext().getAvailableAugmentationTypes(getSchema());
175 superClass = AUGMENTABLE_SUPERCLASS;
176 ctorType = AUGMENTABLE_CONSTRUCTOR_TYPE;
178 this.possibleAugmentations = ImmutableMap.of();
179 superClass = SUPERCLASS;
180 ctorType = CONSTRUCTOR_TYPE;
182 reloadAllAugmentations();
184 final Class<?> generatedClass;
186 generatedClass = prototype.getFactory().getLoader().generateSubclass(superClass, bindingClass, "codecImpl",
187 new CodecDataObjectCustomizer(propBuilder.build(), keyMethod));
188 } catch (CannotCompileException | IOException | NotFoundException e) {
189 throw new LinkageError("Failed to generated class for " + bindingClass, e);
192 final MethodHandle ctor;
194 ctor = MethodHandles.publicLookup().findConstructor(generatedClass, ctorType);
195 } catch (NoSuchMethodException | IllegalAccessException e) {
196 throw new LinkageError("Failed to find contructor for class " + generatedClass, e);
199 if (Augmentable.class.isAssignableFrom(bindingClass)) {
200 proxyConstructor = ctor.asType(AUGMENTABLE_DATAOBJECT_TYPE).bindTo(this);
202 proxyConstructor = ctor.asType(DATAOBJECT_TYPE);
206 // This method could be synchronized, but that would mean that concurrent attempts to load an invalid augmentation
207 // would end up being unnecessarily contended -- blocking real progress and not being able to run concurrently
208 // while producing no effect. We therefore use optimistic read + CAS.
209 private void reloadAllAugmentations() {
210 // Load current values
211 Augmentations oldAugmentations = augmentations;
213 // FIXME: can we detect when we have both maps fully populated and skip all of this?
215 // Scratch space for additions
216 final Map<PathArgument, DataContainerCodecPrototype<?>> addByYang = new HashMap<>();
217 final Map<Class<?>, DataContainerCodecPrototype<?>> addByStream = new HashMap<>();
219 // Iterate over all possibilities, checking for modifications.
220 for (final Type augment : possibleAugmentations.values()) {
221 final DataContainerCodecPrototype<?> augProto = getAugmentationPrototype(augment);
222 if (augProto != null) {
223 final PathArgument yangArg = augProto.getYangArg();
224 final Class<?> bindingClass = augProto.getBindingClass();
225 if (!oldAugmentations.byYang.containsKey(yangArg)) {
226 if (addByYang.putIfAbsent(yangArg, augProto) == null) {
227 LOG.trace("Discovered new YANG mapping {} -> {} in {}", yangArg, augProto, this);
230 if (!oldAugmentations.byStream.containsKey(bindingClass)) {
231 if (addByStream.putIfAbsent(bindingClass, augProto) == null) {
232 LOG.trace("Discovered new class mapping {} -> {} in {}", bindingClass, augProto, this);
239 if (addByYang.isEmpty() && addByStream.isEmpty()) {
240 LOG.trace("No new augmentations discovered in {}", this);
244 // We have some additions, propagate them out
245 final Augmentations newAugmentations = new Augmentations(concatMaps(oldAugmentations.byYang, addByYang),
246 concatMaps(oldAugmentations.byStream, addByStream));
247 if (AUGMENTATIONS_UPDATER.compareAndSet(this, oldAugmentations, newAugmentations)) {
248 // Success, we are done
252 // We have raced installing new augmentations, read them again, remove everything present in the installed
253 // once and try again. This may mean that we end up not doing anything, but that's fine.
254 oldAugmentations = augmentations;
256 // We could use Map.removeAll(oldAugmentations.byYang.keySet()), but that forces the augmentation's keyset
257 // to be materialized, which we otherwise do not need. Hence we do this the other way around, instantiating
258 // our temporary maps' keySets and iterating over them. That's fine as we'll be throwing those maps away.
259 removeMapKeys(addByYang, oldAugmentations.byYang);
260 removeMapKeys(addByStream, oldAugmentations.byStream);
264 private static <K, V> ImmutableMap<K, V> concatMaps(final ImmutableMap<K, V> old, final Map<K, V> add) {
269 final Builder<K, V> builder = ImmutableMap.builderWithExpectedSize(old.size() + add.size());
272 return builder.build();
275 private static <K, V> void removeMapKeys(final Map<K, V> removeFrom, final ImmutableMap<K, V> map) {
276 final Iterator<K> it = removeFrom.keySet().iterator();
277 while (it.hasNext()) {
278 if (map.containsKey(it.next())) {
284 @SuppressWarnings("unchecked")
286 public <C extends DataObject> DataContainerCodecContext<C, ?> streamChild(final Class<C> childClass) {
287 final DataContainerCodecPrototype<?> childProto = streamChildPrototype(childClass);
288 return (DataContainerCodecContext<C, ?>) childNonNull(childProto, childClass, " Child %s is not valid child.",
292 private DataContainerCodecPrototype<?> streamChildPrototype(final Class<?> childClass) {
293 final DataContainerCodecPrototype<?> childProto = byStreamClass.get(childClass);
294 if (childProto != null) {
297 if (Augmentation.class.isAssignableFrom(childClass)) {
298 return augmentationByClass(childClass);
303 @SuppressWarnings("unchecked")
305 public <C extends DataObject> Optional<DataContainerCodecContext<C, ?>> possibleStreamChild(
306 final Class<C> childClass) {
307 final DataContainerCodecPrototype<?> childProto = streamChildPrototype(childClass);
308 if (childProto != null) {
309 return Optional.of((DataContainerCodecContext<C, ?>) childProto.get());
311 return Optional.empty();
315 public DataContainerCodecContext<?,?> bindingPathArgumentChild(final InstanceIdentifier.PathArgument arg,
316 final List<YangInstanceIdentifier.PathArgument> builder) {
318 final Class<? extends DataObject> argType = arg.getType();
319 DataContainerCodecPrototype<?> ctxProto = byBindingArgClass.get(argType);
320 if (ctxProto == null && Augmentation.class.isAssignableFrom(argType)) {
321 ctxProto = augmentationByClass(argType);
323 final DataContainerCodecContext<?, ?> context = childNonNull(ctxProto, argType,
324 "Class %s is not valid child of %s", argType, getBindingClass()).get();
325 if (context instanceof ChoiceNodeCodecContext) {
326 final ChoiceNodeCodecContext<?> choice = (ChoiceNodeCodecContext<?>) context;
327 choice.addYangPathArgument(arg, builder);
329 final Optional<? extends Class<? extends DataObject>> caseType = arg.getCaseType();
330 final Class<? extends DataObject> type = arg.getType();
331 final DataContainerCodecContext<?, ?> caze;
332 if (caseType.isPresent()) {
333 // Non-ambiguous addressing this should not pose any problems
334 caze = choice.streamChild(caseType.get());
336 caze = choice.getCaseByChildClass(type);
339 caze.addYangPathArgument(arg, builder);
340 return caze.bindingPathArgumentChild(arg, builder);
342 context.addYangPathArgument(arg, builder);
347 public NodeCodecContext yangPathArgumentChild(final YangInstanceIdentifier.PathArgument arg) {
348 final NodeContextSupplier childSupplier;
349 if (arg instanceof NodeIdentifierWithPredicates) {
350 childSupplier = byYang.get(new NodeIdentifier(arg.getNodeType()));
351 } else if (arg instanceof AugmentationIdentifier) {
352 childSupplier = yangAugmentationChild((AugmentationIdentifier) arg);
354 childSupplier = byYang.get(arg);
357 return childNonNull(childSupplier, arg, "Argument %s is not valid child of %s", arg, getSchema()).get();
360 protected final ValueNodeCodecContext getLeafChild(final String name) {
361 final ValueNodeCodecContext value = leafChild.get(name);
362 return IncorrectNestingException.checkNonNull(value, "Leaf %s is not valid for %s", name, getBindingClass());
365 private DataContainerCodecPrototype<?> loadChildPrototype(final Class<?> childClass) {
366 final DataSchemaNode origDef = factory().getRuntimeContext().getSchemaDefinition(childClass);
367 // Direct instantiation or use in same module in which grouping
369 DataSchemaNode sameName;
371 sameName = getSchema().getDataChildByName(origDef.getQName());
372 } catch (final IllegalArgumentException e) {
375 final DataSchemaNode childSchema;
376 if (sameName != null) {
377 // Exactly same schema node
378 if (origDef.equals(sameName)) {
379 childSchema = sameName;
380 // We check if instantiated node was added via uses
381 // statement and is instantiation of same grouping
382 } else if (origDef.equals(SchemaNodeUtils.getRootOriginalIfPossible(sameName))) {
383 childSchema = sameName;
385 // Node has same name, but clearly is different
389 // We are looking for instantiation via uses in other module
390 final QName instantiedName = origDef.getQName().withModule(namespace());
391 final DataSchemaNode potential = getSchema().getDataChildByName(instantiedName);
392 // We check if it is really instantiated from same
393 // definition as class was derived
394 if (potential != null && origDef.equals(SchemaNodeUtils.getRootOriginalIfPossible(potential))) {
395 childSchema = potential;
400 final DataSchemaNode nonNullChild =
401 childNonNull(childSchema, childClass, "Node %s does not have child named %s", getSchema(), childClass);
402 return DataContainerCodecPrototype.from(createBindingArg(childClass, nonNullChild), nonNullChild, factory());
405 @SuppressWarnings("unchecked")
406 Item<?> createBindingArg(final Class<?> childClass, final DataSchemaNode childSchema) {
407 return Item.of((Class<? extends DataObject>) childClass);
410 private DataContainerCodecPrototype<?> yangAugmentationChild(final AugmentationIdentifier arg) {
411 final DataContainerCodecPrototype<?> firstTry = augmentations.byYang.get(arg);
412 if (firstTry != null) {
415 if (possibleAugmentations.containsKey(arg)) {
416 // Try to load augmentations, which will potentially update knownAugmentations, hence we re-load that field
418 reloadAllAugmentations();
419 return augmentations.byYang.get(arg);
424 private @Nullable DataContainerCodecPrototype<?> augmentationByClass(final @NonNull Class<?> childClass) {
425 DataContainerCodecPrototype<?> lookup = augmentationByClassOrEquivalentClass(childClass);
426 if (lookup != null || !isPotentialAugmentation(childClass)) {
430 // Attempt to reload all augmentations using TCCL and lookup again
431 reloadAllAugmentations();
432 lookup = augmentationByClassOrEquivalentClass(childClass);
433 if (lookup != null) {
437 // Still no result, this can be caused by TCCL not being set up properly -- try the class's ClassLoader
439 final ClassLoader loader = childClass.getClassLoader();
440 if (loader == null) {
444 LOG.debug("Class {} not loaded via TCCL, attempting to recover", childClass);
445 ClassLoaderUtils.runWithClassLoader(loader, this::reloadAllAugmentations);
446 return augmentationByClassOrEquivalentClass(childClass);
449 private boolean isPotentialAugmentation(final Class<?> childClass) {
450 final JavaTypeName name = JavaTypeName.create(childClass);
451 for (Type type : possibleAugmentations.values()) {
452 if (name.equals(type.getIdentifier())) {
459 private @Nullable DataContainerCodecPrototype<?> augmentationByClassOrEquivalentClass(
460 final @NonNull Class<?> childClass) {
461 // Perform a single load, so we can reuse it if we end up going to the reflection-based slow path
462 final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> local = augmentations.byStream;
463 final DataContainerCodecPrototype<?> childProto = local.get(childClass);
464 if (childProto != null) {
469 * It is potentially mismatched valid augmentation - we look up equivalent augmentation using reflection
470 * and walk all stream child and compare augmentations classes if they are equivalent. When we find a match
471 * we'll cache it so we do not need to perform reflection operations again.
473 final DataContainerCodecPrototype<?> mismatched = mismatchedAugmented.get(childClass);
474 if (mismatched != null) {
478 @SuppressWarnings("rawtypes")
479 final Class<?> augTarget = BindingReflections.findAugmentationTarget((Class) childClass);
480 if (getBindingClass().equals(augTarget)) {
481 for (final DataContainerCodecPrototype<?> realChild : local.values()) {
482 if (Augmentation.class.isAssignableFrom(realChild.getBindingClass())
483 && BindingReflections.isSubstitutionFor(childClass, realChild.getBindingClass())) {
484 return cacheMismatched(childClass, realChild);
488 LOG.trace("Failed to resolve {} as a valid augmentation in {}", childClass, this);
492 private synchronized DataContainerCodecPrototype<?> cacheMismatched(final Class<?> childClass,
493 final DataContainerCodecPrototype<?> prototype) {
494 // Original access was unsynchronized, we need to perform additional checking
495 final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> local = mismatchedAugmented;
496 final DataContainerCodecPrototype<?> existing = local.get(childClass);
497 if (existing != null) {
501 final Builder<Class<?>, DataContainerCodecPrototype<?>> builder = ImmutableMap.builderWithExpectedSize(
503 builder.putAll(local);
504 builder.put(childClass, prototype);
506 mismatchedAugmented = builder.build();
507 LOG.trace("Cached mismatched augmentation {} -> {} in {}", childClass, prototype, this);
511 private DataContainerCodecPrototype<?> getAugmentationPrototype(final Type value) {
512 final ClassLoadingStrategy loader = factory().getRuntimeContext().getStrategy();
513 @SuppressWarnings("rawtypes")
514 final Class augClass;
516 augClass = loader.loadClass(value);
517 } catch (final ClassNotFoundException e) {
518 LOG.debug("Failed to load augmentation prototype for {}. Will be retried when needed.", value, e);
522 @SuppressWarnings("unchecked")
523 final Entry<AugmentationIdentifier, AugmentationSchemaNode> augSchema = factory().getRuntimeContext()
524 .getResolvedAugmentationSchema(getSchema(), augClass);
525 return DataContainerCodecPrototype.from(augClass, augSchema.getKey(), augSchema.getValue(), factory());
528 @SuppressWarnings("checkstyle:illegalCatch")
529 protected final D createBindingProxy(final NormalizedNodeContainer<?, ?, ?> node) {
531 return (D) proxyConstructor.invokeExact(node);
532 } catch (final Throwable e) {
533 Throwables.throwIfUnchecked(e);
534 throw new IllegalStateException(e);
538 @SuppressWarnings("unchecked")
539 Map<Class<? extends Augmentation<?>>, Augmentation<?>> getAllAugmentationsFrom(
540 final NormalizedNodeContainer<?, PathArgument, NormalizedNode<?, ?>> data) {
542 @SuppressWarnings("rawtypes")
543 final Map map = new HashMap<>();
545 for (final NormalizedNode<?, ?> childValue : data.getValue()) {
546 if (childValue instanceof AugmentationNode) {
547 final AugmentationNode augDomNode = (AugmentationNode) childValue;
548 final DataContainerCodecPrototype<?> codecProto = yangAugmentationChild(augDomNode.getIdentifier());
549 if (codecProto != null) {
550 final DataContainerCodecContext<?, ?> codec = codecProto.get();
551 map.put(codec.getBindingClass(), codec.deserializeObject(augDomNode));
555 for (final DataContainerCodecPrototype<?> value : augmentations.byStream.values()) {
556 final Optional<NormalizedNode<?, ?>> augData = data.getChild(value.getYangArg());
557 if (augData.isPresent()) {
558 map.put(value.getBindingClass(), value.get().deserializeObject(augData.get()));
565 public InstanceIdentifier.PathArgument deserializePathArgument(final YangInstanceIdentifier.PathArgument arg) {
566 checkArgument(getDomPathArgument().equals(arg));
571 public YangInstanceIdentifier.PathArgument serializePathArgument(final InstanceIdentifier.PathArgument arg) {
572 checkArgument(bindingArg().equals(arg));
573 return getDomPathArgument();