+ @Override
+ public Set<InstanceIdentifier> getRemovedPaths() {
+ return Collections.emptySet();
+ }
+
+ @Override
+ public Map<InstanceIdentifier, NormalizedNode<?, ?>> getUpdatedData() {
+ return payload;
+ }
+
+ @Override
+ public NormalizedNode<?, ?> getUpdatedSubtree() {
+ return data;
+ }
+ }
+
+ public static <V> Set<V> toIdentifierSet(final Iterable<? extends Identifiable<V>> children) {
+ return FluentIterable.from(children).transform(StoreUtils.<V> identifierExtractor()).toSet();
+ }
+
+ public static String toStringTree(final StoreMetadataNode metaNode) {
+ StringBuilder builder = new StringBuilder();
+ toStringTree(builder, metaNode, 0);
+ return builder.toString();
+ }
+
+ private static void toStringTree(final StringBuilder builder, final StoreMetadataNode metaNode, final int offset) {
+ String prefix = Strings.repeat(" ", offset);
+ builder.append(prefix).append(toStringTree(metaNode.getIdentifier()));
+ NormalizedNode<?, ?> dataNode = metaNode.getData();
+ if (dataNode instanceof NormalizedNodeContainer<?, ?, ?>) {
+ builder.append(" {\n");
+ for (StoreMetadataNode child : metaNode.getChildren()) {
+ toStringTree(builder, child, offset + 4);
+ }
+ builder.append(prefix).append('}');
+ } else {
+ builder.append(' ').append(dataNode.getValue());
+ }
+ builder.append('\n');
+ }
+
+ private static String toStringTree(final PathArgument identifier) {
+ if (identifier instanceof NodeIdentifierWithPredicates) {
+ StringBuilder builder = new StringBuilder();
+ builder.append(identifier.getNodeType().getLocalName());
+ builder.append(((NodeIdentifierWithPredicates) identifier).getKeyValues().values());
+ return builder.toString();
+ } else if (identifier instanceof AugmentationIdentifier) {
+ return "augmentation";
+ }
+ return identifier.getNodeType().getLocalName();
+ }