+ Optional<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier> additionalSerialized;
+ additionalSerialized = toNormalizedAugmentedUsingChildContainers(augPath, processed);
+
+ if (additionalSerialized.isPresent()) {
+ return additionalSerialized.get();
+ }
+ additionalSerialized = toNormalizedAugmentedUsingChildLeafs(augPath, processed);
+ if (additionalSerialized.isPresent()) {
+ return additionalSerialized.get();
+ }
+ throw new IllegalStateException("Unabled to construct augmentation identfier for " + augPath);
+ }
+
+ /**
+ * Tries to find correct augmentation identifier using children leafs
+ *
+ * This method uses normalized Instance Identifier of parent node to fetch
+ * schema and {@link BindingReflections#getModuleInfo(Class)} to learn about
+ * augmentation namespace, specificly, in which module it was defined.
+ *
+ * Then it uses it to filter all available augmentations for parent by
+ * module. After that it walks augmentations in particular module and
+ * pick-up first which at least one leaf name matches supplied augmentation.
+ * We could do this safely since YANG explicitly states that no any existing
+ * augmentations must differ in leaf fully qualified names.
+ *
+ *
+ * @param augPath
+ * Binding Aware Path which ends with augment
+ * @param parentPath
+ * Processed path
+ * @return
+ */
+ private Optional<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier> toNormalizedAugmentedUsingChildLeafs(
+ final InstanceIdentifier<?> augPath,
+ final org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier parentPath) {
+ try {
+ DataNormalizationOperation<?> parentOp = legacyToNormalized.getOperation(parentPath);
+ if(!parentOp.getDataSchemaNode().isPresent()) {
+ return Optional.absent();
+ }
+ DataSchemaNode parentSchema = parentOp.getDataSchemaNode().get();
+ if (parentSchema instanceof AugmentationTarget) {
+ Set<AugmentationSchema> augmentations = ((AugmentationTarget) parentSchema).getAvailableAugmentations();
+ LOG.info("Augmentations for {}, {}", augPath, augmentations);
+ Optional<AugmentationSchema> schema = findAugmentation(augPath.getTargetType(), augmentations);
+ if (schema.isPresent()) {
+ AugmentationIdentifier augmentationIdentifier = DataNormalizationOperation
+ .augmentationIdentifierFrom(schema.get());
+ return Optional.of(parentPath.node(augmentationIdentifier));
+ }
+ }
+ } catch (DataNormalizationException e) {
+ throw new IllegalArgumentException(e);
+ }
+ return Optional.absent();
+ }
+
+ /**
+ * Creates instance identifier for augmentation child, tries to serialize it
+ * Instance Identifier is then shortened to last augmentation.
+ *
+ * This is for situations, where underlying codec is implementing hydrogen
+ * style DOM APIs (which did not supported {@link AugmentationIdentifier}.)
+ *
+ * @param augPath
+ * @param parentPath
+ * Path to parent node
+ * @return
+ */
+ @SuppressWarnings("rawtypes")
+ private Optional<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier> toNormalizedAugmentedUsingChildContainers(
+ final InstanceIdentifier<?> augPath,
+ final org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier parentPath) {
+ for (Class augChild : BindingReflections.getChildrenClasses(augPath.getTargetType())) {