+ private final void ensureParentsByMerge(final LogicalDatastoreType store,
+ final YangInstanceIdentifier normalizedPath, final DOMDataReadWriteTransaction rwTx,
+ final DataNormalizationOperation<?> root) {
+ List<PathArgument> currentArguments = new ArrayList<>();
+ Iterator<PathArgument> iterator = normalizedPath.getPathArguments().iterator();
+ DataNormalizationOperation<?> currentOp = root;
+ while (iterator.hasNext()) {
+ PathArgument currentArg = iterator.next();
+ try {
+ currentOp = currentOp.getChild(currentArg);
+ } catch (DataNormalizationException e) {
+ throw new RestconfDocumentedException(
+ String.format("Error normalizing data for path %s", normalizedPath), e);
+ }
+ currentArguments.add(currentArg);
+ YangInstanceIdentifier currentPath = YangInstanceIdentifier.create(currentArguments);
+
+ try {
+
+ boolean exists = rwTx.exists(store, currentPath).checkedGet();
+ if (!exists && iterator.hasNext()) {
+ rwTx.merge(store, currentPath, currentOp.createDefault(currentArg));
+ }
+ } catch (ReadFailedException e) {
+ LOG.error("Failed to read pre-existing data from store {} path {}", store, currentPath, e);
+ throw new RestconfDocumentedException("Failed to read pre-existing data", e);
+ }