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.annotations.Beta;
16 import com.google.common.base.Throwables;
17 import com.google.common.collect.ImmutableMap;
18 import com.google.common.collect.ImmutableMap.Builder;
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 org.eclipse.jdt.annotation.NonNull;
33 import org.eclipse.jdt.annotation.Nullable;
34 import org.opendaylight.mdsal.binding.generator.api.ClassLoadingStrategy;
35 import org.opendaylight.mdsal.binding.model.api.JavaTypeName;
36 import org.opendaylight.mdsal.binding.model.api.Type;
37 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
38 import org.opendaylight.yangtools.concepts.Immutable;
39 import org.opendaylight.yangtools.util.ClassLoaderUtils;
40 import org.opendaylight.yangtools.yang.binding.Augmentable;
41 import org.opendaylight.yangtools.yang.binding.Augmentation;
42 import org.opendaylight.yangtools.yang.binding.DataObject;
43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
44 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.Item;
45 import org.opendaylight.yangtools.yang.binding.OpaqueObject;
46 import org.opendaylight.yangtools.yang.common.QName;
47 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
48 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
49 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
50 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
51 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
52 import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
53 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
54 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
55 import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
56 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
57 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
58 import org.opendaylight.yangtools.yang.model.api.DocumentedNode.WithStatus;
59 import org.opendaylight.yangtools.yang.model.util.SchemaNodeUtils;
60 import org.slf4j.Logger;
61 import org.slf4j.LoggerFactory;
64 * This class is an implementation detail. It is public only due to technical reasons and may change at any time.
67 public 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,
82 DataObjectCodecContext.class, NormalizedNodeContainer.class);
83 private static final MethodType DATAOBJECT_TYPE = MethodType.methodType(DataObject.class,
84 DataObjectCodecContext.class, NormalizedNodeContainer.class);
85 private static final Comparator<Method> METHOD_BY_ALPHABET = Comparator.comparing(Method::getName);
86 private static final Augmentations EMPTY_AUGMENTATIONS = new Augmentations(ImmutableMap.of(), ImmutableMap.of());
88 private final ImmutableMap<String, ValueNodeCodecContext> leafChild;
89 private final ImmutableMap<YangInstanceIdentifier.PathArgument, NodeContextSupplier> byYang;
90 private final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> byStreamClass;
91 private final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> byBindingArgClass;
92 private final ImmutableMap<AugmentationIdentifier, Type> possibleAugmentations;
93 private final MethodHandle proxyConstructor;
95 // FIXME: the presence of these two volatile fields may be preventing us from being able to improve
96 // DataContainerCodecPrototype.get() publication.
97 @SuppressWarnings("rawtypes")
98 private static final AtomicReferenceFieldUpdater<DataObjectCodecContext, Augmentations>
99 AUGMENTATIONS_UPDATER = AtomicReferenceFieldUpdater.newUpdater(DataObjectCodecContext.class,
100 Augmentations.class, "augmentations");
101 private volatile Augmentations augmentations = EMPTY_AUGMENTATIONS;
103 private volatile ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> mismatchedAugmented = ImmutableMap.of();
105 DataObjectCodecContext(final DataContainerCodecPrototype<T> prototype) {
106 this(prototype, null);
109 DataObjectCodecContext(final DataContainerCodecPrototype<T> prototype,
110 final Entry<Method, IdentifiableItemCodec> keyMethod) {
113 final Class<D> bindingClass = getBindingClass();
115 final Map<Method, ValueNodeCodecContext> tmpLeaves = factory().getLeafNodes(bindingClass, getSchema());
116 final Map<Class<?>, Method> clsToMethod = BindingReflections.getChildrenClassToMethod(bindingClass);
118 final Map<YangInstanceIdentifier.PathArgument, NodeContextSupplier> byYangBuilder = new HashMap<>();
119 final Map<Method, NodeContextSupplier> tmpMethodToSupplier = new HashMap<>();
120 final Map<Class<?>, DataContainerCodecPrototype<?>> byStreamClassBuilder = new HashMap<>();
121 final Map<Class<?>, DataContainerCodecPrototype<?>> byBindingArgClassBuilder = new HashMap<>();
123 // Adds leaves to mapping
124 final Builder<String, ValueNodeCodecContext> leafChildBuilder =
125 ImmutableMap.builderWithExpectedSize(tmpLeaves.size());
126 for (final Entry<Method, ValueNodeCodecContext> entry : tmpLeaves.entrySet()) {
127 final ValueNodeCodecContext leaf = entry.getValue();
128 tmpMethodToSupplier.put(entry.getKey(), leaf);
129 leafChildBuilder.put(leaf.getSchema().getQName().getLocalName(), leaf);
130 byYangBuilder.put(leaf.getDomPathArgument(), leaf);
132 this.leafChild = leafChildBuilder.build();
134 for (final Entry<Class<?>, Method> childDataObj : clsToMethod.entrySet()) {
135 final Method method = childDataObj.getValue();
136 verify(!method.isDefault(), "Unexpected default method %s in %s", method, bindingClass);
138 final Class<?> retClass = childDataObj.getKey();
139 if (OpaqueObject.class.isAssignableFrom(retClass)) {
140 // Filter OpaqueObjects, they are not containers
144 final DataContainerCodecPrototype<?> childProto = loadChildPrototype(retClass);
145 tmpMethodToSupplier.put(method, childProto);
146 byStreamClassBuilder.put(childProto.getBindingClass(), childProto);
147 byYangBuilder.put(childProto.getYangArg(), childProto);
148 if (childProto.isChoice()) {
149 final ChoiceNodeCodecContext<?> choice = (ChoiceNodeCodecContext<?>) childProto.get();
150 for (final Class<?> cazeChild : choice.getCaseChildrenClasses()) {
151 byBindingArgClassBuilder.put(cazeChild, childProto);
156 // Make sure properties are alpha-sorted
157 final Method[] properties = tmpMethodToSupplier.keySet().toArray(new Method[0]);
158 Arrays.sort(properties, METHOD_BY_ALPHABET);
159 final Builder<Method, NodeContextSupplier> propBuilder = ImmutableMap.builderWithExpectedSize(
161 for (Method prop : properties) {
162 propBuilder.put(prop, verifyNotNull(tmpMethodToSupplier.get(prop)));
165 this.byYang = ImmutableMap.copyOf(byYangBuilder);
166 this.byStreamClass = ImmutableMap.copyOf(byStreamClassBuilder);
167 byBindingArgClassBuilder.putAll(byStreamClass);
168 this.byBindingArgClass = ImmutableMap.copyOf(byBindingArgClassBuilder);
170 final Class<? extends CodecDataObject<?>> generatedClass;
171 if (Augmentable.class.isAssignableFrom(bindingClass)) {
172 this.possibleAugmentations = factory().getRuntimeContext().getAvailableAugmentationTypes(getSchema());
173 generatedClass = CodecDataObjectGenerator.generateAugmentable(prototype.getFactory().getLoader(),
174 bindingClass, propBuilder.build(), keyMethod);
176 this.possibleAugmentations = ImmutableMap.of();
177 generatedClass = CodecDataObjectGenerator.generate(prototype.getFactory().getLoader(), bindingClass,
178 propBuilder.build(), keyMethod);
180 reloadAllAugmentations();
182 final MethodHandle ctor;
184 ctor = MethodHandles.publicLookup().findConstructor(generatedClass, CONSTRUCTOR_TYPE);
185 } catch (NoSuchMethodException | IllegalAccessException e) {
186 throw new LinkageError("Failed to find contructor for class " + generatedClass, e);
189 proxyConstructor = ctor.asType(DATAOBJECT_TYPE);
192 // This method could be synchronized, but that would mean that concurrent attempts to load an invalid augmentation
193 // would end up being unnecessarily contended -- blocking real progress and not being able to run concurrently
194 // while producing no effect. We therefore use optimistic read + CAS.
195 private void reloadAllAugmentations() {
196 // Load current values
197 Augmentations oldAugmentations = augmentations;
199 // FIXME: can we detect when we have both maps fully populated and skip all of this?
201 // Scratch space for additions
202 final Map<PathArgument, DataContainerCodecPrototype<?>> addByYang = new HashMap<>();
203 final Map<Class<?>, DataContainerCodecPrototype<?>> addByStream = new HashMap<>();
205 // Iterate over all possibilities, checking for modifications.
206 for (final Type augment : possibleAugmentations.values()) {
207 final DataContainerCodecPrototype<?> augProto = getAugmentationPrototype(augment);
208 if (augProto != null) {
209 final PathArgument yangArg = augProto.getYangArg();
210 final Class<?> bindingClass = augProto.getBindingClass();
211 if (!oldAugmentations.byYang.containsKey(yangArg)) {
212 if (addByYang.putIfAbsent(yangArg, augProto) == null) {
213 LOG.trace("Discovered new YANG mapping {} -> {} in {}", yangArg, augProto, this);
216 if (!oldAugmentations.byStream.containsKey(bindingClass)) {
217 if (addByStream.putIfAbsent(bindingClass, augProto) == null) {
218 LOG.trace("Discovered new class mapping {} -> {} in {}", bindingClass, augProto, this);
225 if (addByYang.isEmpty() && addByStream.isEmpty()) {
226 LOG.trace("No new augmentations discovered in {}", this);
230 // We have some additions, propagate them out
231 final Augmentations newAugmentations = new Augmentations(concatMaps(oldAugmentations.byYang, addByYang),
232 concatMaps(oldAugmentations.byStream, addByStream));
233 if (AUGMENTATIONS_UPDATER.compareAndSet(this, oldAugmentations, newAugmentations)) {
234 // Success, we are done
238 // We have raced installing new augmentations, read them again, remove everything present in the installed
239 // once and try again. This may mean that we end up not doing anything, but that's fine.
240 oldAugmentations = augmentations;
242 // We could use Map.removeAll(oldAugmentations.byYang.keySet()), but that forces the augmentation's keyset
243 // to be materialized, which we otherwise do not need. Hence we do this the other way around, instantiating
244 // our temporary maps' keySets and iterating over them. That's fine as we'll be throwing those maps away.
245 removeMapKeys(addByYang, oldAugmentations.byYang);
246 removeMapKeys(addByStream, oldAugmentations.byStream);
250 private static <K, V> ImmutableMap<K, V> concatMaps(final ImmutableMap<K, V> old, final Map<K, V> add) {
255 final Builder<K, V> builder = ImmutableMap.builderWithExpectedSize(old.size() + add.size());
258 return builder.build();
261 private static <K, V> void removeMapKeys(final Map<K, V> removeFrom, final ImmutableMap<K, V> map) {
262 final Iterator<K> it = removeFrom.keySet().iterator();
263 while (it.hasNext()) {
264 if (map.containsKey(it.next())) {
270 @SuppressWarnings("unchecked")
272 public <C extends DataObject> DataContainerCodecContext<C, ?> streamChild(final Class<C> childClass) {
273 final DataContainerCodecPrototype<?> childProto = streamChildPrototype(childClass);
274 return (DataContainerCodecContext<C, ?>) childNonNull(childProto, childClass, " Child %s is not valid child.",
278 private DataContainerCodecPrototype<?> streamChildPrototype(final Class<?> childClass) {
279 final DataContainerCodecPrototype<?> childProto = byStreamClass.get(childClass);
280 if (childProto != null) {
283 if (Augmentation.class.isAssignableFrom(childClass)) {
284 return augmentationByClass(childClass);
289 @SuppressWarnings("unchecked")
291 public <C extends DataObject> Optional<DataContainerCodecContext<C, ?>> possibleStreamChild(
292 final Class<C> childClass) {
293 final DataContainerCodecPrototype<?> childProto = streamChildPrototype(childClass);
294 if (childProto != null) {
295 return Optional.of((DataContainerCodecContext<C, ?>) childProto.get());
297 return Optional.empty();
301 public DataContainerCodecContext<?,?> bindingPathArgumentChild(final InstanceIdentifier.PathArgument arg,
302 final List<YangInstanceIdentifier.PathArgument> builder) {
304 final Class<? extends DataObject> argType = arg.getType();
305 DataContainerCodecPrototype<?> ctxProto = byBindingArgClass.get(argType);
306 if (ctxProto == null && Augmentation.class.isAssignableFrom(argType)) {
307 ctxProto = augmentationByClass(argType);
309 final DataContainerCodecContext<?, ?> context = childNonNull(ctxProto, argType,
310 "Class %s is not valid child of %s", argType, getBindingClass()).get();
311 if (context instanceof ChoiceNodeCodecContext) {
312 final ChoiceNodeCodecContext<?> choice = (ChoiceNodeCodecContext<?>) context;
313 choice.addYangPathArgument(arg, builder);
315 final Optional<? extends Class<? extends DataObject>> caseType = arg.getCaseType();
316 final Class<? extends DataObject> type = arg.getType();
317 final DataContainerCodecContext<?, ?> caze;
318 if (caseType.isPresent()) {
319 // Non-ambiguous addressing this should not pose any problems
320 caze = choice.streamChild(caseType.get());
322 caze = choice.getCaseByChildClass(type);
325 caze.addYangPathArgument(arg, builder);
326 return caze.bindingPathArgumentChild(arg, builder);
328 context.addYangPathArgument(arg, builder);
333 public NodeCodecContext yangPathArgumentChild(final YangInstanceIdentifier.PathArgument arg) {
334 final NodeContextSupplier childSupplier;
335 if (arg instanceof NodeIdentifierWithPredicates) {
336 childSupplier = byYang.get(new NodeIdentifier(arg.getNodeType()));
337 } else if (arg instanceof AugmentationIdentifier) {
338 childSupplier = yangAugmentationChild((AugmentationIdentifier) arg);
340 childSupplier = byYang.get(arg);
343 return childNonNull(childSupplier, arg, "Argument %s is not valid child of %s", arg, getSchema()).get();
346 protected final ValueNodeCodecContext getLeafChild(final String name) {
347 final ValueNodeCodecContext value = leafChild.get(name);
348 return IncorrectNestingException.checkNonNull(value, "Leaf %s is not valid for %s", name, getBindingClass());
351 private DataContainerCodecPrototype<?> loadChildPrototype(final Class<?> childClass) {
352 final DataSchemaNode origDef = factory().getRuntimeContext().getSchemaDefinition(childClass);
353 // Direct instantiation or use in same module in which grouping
355 DataSchemaNode sameName;
357 sameName = getSchema().getDataChildByName(origDef.getQName());
358 } catch (final IllegalArgumentException e) {
361 final DataSchemaNode childSchema;
362 if (sameName != null) {
363 // Exactly same schema node
364 if (origDef.equals(sameName)) {
365 childSchema = sameName;
366 // We check if instantiated node was added via uses
367 // statement and is instantiation of same grouping
368 } else if (origDef.equals(SchemaNodeUtils.getRootOriginalIfPossible(sameName))) {
369 childSchema = sameName;
371 // Node has same name, but clearly is different
375 // We are looking for instantiation via uses in other module
376 final QName instantiedName = origDef.getQName().withModule(namespace());
377 final DataSchemaNode potential = getSchema().getDataChildByName(instantiedName);
378 // We check if it is really instantiated from same
379 // definition as class was derived
380 if (potential != null && origDef.equals(SchemaNodeUtils.getRootOriginalIfPossible(potential))) {
381 childSchema = potential;
386 final DataSchemaNode nonNullChild =
387 childNonNull(childSchema, childClass, "Node %s does not have child named %s", getSchema(), childClass);
388 return DataContainerCodecPrototype.from(createBindingArg(childClass, nonNullChild), nonNullChild, factory());
391 @SuppressWarnings("unchecked")
392 Item<?> createBindingArg(final Class<?> childClass, final DataSchemaNode childSchema) {
393 return Item.of((Class<? extends DataObject>) childClass);
396 private DataContainerCodecPrototype<?> yangAugmentationChild(final AugmentationIdentifier arg) {
397 final DataContainerCodecPrototype<?> firstTry = augmentations.byYang.get(arg);
398 if (firstTry != null) {
401 if (possibleAugmentations.containsKey(arg)) {
402 // Try to load augmentations, which will potentially update knownAugmentations, hence we re-load that field
404 reloadAllAugmentations();
405 return augmentations.byYang.get(arg);
410 private @Nullable DataContainerCodecPrototype<?> augmentationByClass(final @NonNull Class<?> childClass) {
411 DataContainerCodecPrototype<?> lookup = augmentationByClassOrEquivalentClass(childClass);
412 if (lookup != null || !isPotentialAugmentation(childClass)) {
416 // Attempt to reload all augmentations using TCCL and lookup again
417 reloadAllAugmentations();
418 lookup = augmentationByClassOrEquivalentClass(childClass);
419 if (lookup != null) {
423 // Still no result, this can be caused by TCCL not being set up properly -- try the class's ClassLoader
425 final ClassLoader loader = childClass.getClassLoader();
426 if (loader == null) {
430 LOG.debug("Class {} not loaded via TCCL, attempting to recover", childClass);
431 ClassLoaderUtils.runWithClassLoader(loader, this::reloadAllAugmentations);
432 return augmentationByClassOrEquivalentClass(childClass);
435 private boolean isPotentialAugmentation(final Class<?> childClass) {
436 final JavaTypeName name = JavaTypeName.create(childClass);
437 for (Type type : possibleAugmentations.values()) {
438 if (name.equals(type.getIdentifier())) {
445 private @Nullable DataContainerCodecPrototype<?> augmentationByClassOrEquivalentClass(
446 final @NonNull Class<?> childClass) {
447 // Perform a single load, so we can reuse it if we end up going to the reflection-based slow path
448 final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> local = augmentations.byStream;
449 final DataContainerCodecPrototype<?> childProto = local.get(childClass);
450 if (childProto != null) {
455 * It is potentially mismatched valid augmentation - we look up equivalent augmentation using reflection
456 * and walk all stream child and compare augmentations classes if they are equivalent. When we find a match
457 * we'll cache it so we do not need to perform reflection operations again.
459 final DataContainerCodecPrototype<?> mismatched = mismatchedAugmented.get(childClass);
460 if (mismatched != null) {
464 @SuppressWarnings("rawtypes")
465 final Class<?> augTarget = BindingReflections.findAugmentationTarget((Class) childClass);
466 if (getBindingClass().equals(augTarget)) {
467 for (final DataContainerCodecPrototype<?> realChild : local.values()) {
468 if (Augmentation.class.isAssignableFrom(realChild.getBindingClass())
469 && BindingReflections.isSubstitutionFor(childClass, realChild.getBindingClass())) {
470 return cacheMismatched(childClass, realChild);
474 LOG.trace("Failed to resolve {} as a valid augmentation in {}", childClass, this);
478 private synchronized DataContainerCodecPrototype<?> cacheMismatched(final Class<?> childClass,
479 final DataContainerCodecPrototype<?> prototype) {
480 // Original access was unsynchronized, we need to perform additional checking
481 final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> local = mismatchedAugmented;
482 final DataContainerCodecPrototype<?> existing = local.get(childClass);
483 if (existing != null) {
487 final Builder<Class<?>, DataContainerCodecPrototype<?>> builder = ImmutableMap.builderWithExpectedSize(
489 builder.putAll(local);
490 builder.put(childClass, prototype);
492 mismatchedAugmented = builder.build();
493 LOG.trace("Cached mismatched augmentation {} -> {} in {}", childClass, prototype, this);
497 private DataContainerCodecPrototype<?> getAugmentationPrototype(final Type value) {
498 final ClassLoadingStrategy loader = factory().getRuntimeContext().getStrategy();
499 @SuppressWarnings("rawtypes")
500 final Class augClass;
502 augClass = loader.loadClass(value);
503 } catch (final ClassNotFoundException e) {
504 LOG.debug("Failed to load augmentation prototype for {}. Will be retried when needed.", value, e);
508 @SuppressWarnings("unchecked")
509 final Entry<AugmentationIdentifier, AugmentationSchemaNode> augSchema = factory().getRuntimeContext()
510 .getResolvedAugmentationSchema(getSchema(), augClass);
511 return DataContainerCodecPrototype.from(augClass, augSchema.getKey(), augSchema.getValue(), factory());
514 @SuppressWarnings("checkstyle:illegalCatch")
515 protected final D createBindingProxy(final NormalizedNodeContainer<?, ?, ?> node) {
517 return (D) proxyConstructor.invokeExact(this, node);
518 } catch (final Throwable e) {
519 Throwables.throwIfUnchecked(e);
520 throw new IllegalStateException(e);
524 @SuppressWarnings("unchecked")
525 Map<Class<? extends Augmentation<?>>, Augmentation<?>> getAllAugmentationsFrom(
526 final NormalizedNodeContainer<?, PathArgument, NormalizedNode<?, ?>> data) {
528 @SuppressWarnings("rawtypes")
529 final Map map = new HashMap<>();
531 for (final NormalizedNode<?, ?> childValue : data.getValue()) {
532 if (childValue instanceof AugmentationNode) {
533 final AugmentationNode augDomNode = (AugmentationNode) childValue;
534 final DataContainerCodecPrototype<?> codecProto = yangAugmentationChild(augDomNode.getIdentifier());
535 if (codecProto != null) {
536 final DataContainerCodecContext<?, ?> codec = codecProto.get();
537 map.put(codec.getBindingClass(), codec.deserializeObject(augDomNode));
541 for (final DataContainerCodecPrototype<?> value : augmentations.byStream.values()) {
542 final Optional<NormalizedNode<?, ?>> augData = data.getChild(value.getYangArg());
543 if (augData.isPresent()) {
544 map.put(value.getBindingClass(), value.get().deserializeObject(augData.get()));
551 public InstanceIdentifier.PathArgument deserializePathArgument(final YangInstanceIdentifier.PathArgument arg) {
552 checkArgument(getDomPathArgument().equals(arg));
557 public YangInstanceIdentifier.PathArgument serializePathArgument(final InstanceIdentifier.PathArgument arg) {
558 checkArgument(bindingArg().equals(arg));
559 return getDomPathArgument();