--- /dev/null
+package org.opendaylight.controller.md.sal.common.impl.util.compat;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+import java.util.AbstractMap;
+import java.util.ArrayList;
+import java.util.Map;
+
+import org.opendaylight.yangtools.yang.data.api.CompositeNode;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.AugmentationIdentifier;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifier;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifierWithPredicates;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.Node;
+import org.opendaylight.yangtools.yang.data.api.SimpleNode;
+import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
+import org.opendaylight.yangtools.yang.data.api.schema.MixinNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
+import org.opendaylight.yangtools.yang.data.impl.ImmutableCompositeNode;
+import org.opendaylight.yangtools.yang.data.impl.SimpleNodeTOImpl;
+import org.opendaylight.yangtools.yang.data.impl.util.CompositeNodeBuilder;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+
+import com.google.common.base.Preconditions;
+import com.google.common.base.Predicate;
+import com.google.common.collect.FluentIterable;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Iterables;
+
+public class DataNormalizer {
+
+ private final SchemaContext schemaContext;
+
+ private final DataNormalizationOperation<?> operation;
+
+ public DataNormalizer(final SchemaContext ctx) {
+ schemaContext = ctx;
+ operation = DataNormalizationOperation.from(ctx);
+ }
+
+ public InstanceIdentifier toNormalized(final InstanceIdentifier legacy) {
+ ImmutableList.Builder<PathArgument> normalizedArgs = ImmutableList.builder();
+
+ DataNormalizationOperation<?> currentOp = operation;
+ for (PathArgument legacyArg : legacy.getPath()) {
+ currentOp = currentOp.getChild(legacyArg);
+ checkArgument(currentOp != null, "Legacy Instance Identifier %s is not correct. Normalized Instance Identifier so far %s",legacy,normalizedArgs.build());
+ while (currentOp.isMixin()) {
+ normalizedArgs.add(currentOp.getIdentifier());
+ currentOp = currentOp.getChild(legacyArg.getNodeType());
+ }
+ normalizedArgs.add(legacyArg);
+ }
+ return new InstanceIdentifier(normalizedArgs.build());
+ }
+
+ public Map.Entry<InstanceIdentifier,NormalizedNode<?, ?>> toNormalized(final Map.Entry<InstanceIdentifier,CompositeNode> legacy) {
+ return toNormalized(legacy.getKey(), legacy.getValue());
+ }
+
+ public Map.Entry<InstanceIdentifier,NormalizedNode<?, ?>> toNormalized(final InstanceIdentifier legacyPath, final CompositeNode legacyData) {
+
+ InstanceIdentifier normalizedPath = toNormalized(legacyPath);
+
+ DataNormalizationOperation<?> currentOp = operation;
+ for (PathArgument arg : normalizedPath.getPath()) {
+ currentOp = currentOp.getChild(arg);
+ }
+ // Write Augmentaiton data resolution
+ if (legacyData.getChildren().size() == 1) {
+ DataNormalizationOperation<?> potentialOp = currentOp.getChild(legacyData.getChildren().get(0)
+ .getNodeType());
+ if(potentialOp.getIdentifier() instanceof AugmentationIdentifier) {
+ currentOp = potentialOp;
+ ArrayList<PathArgument> reworkedArgs = new ArrayList<>(normalizedPath.getPath());
+ reworkedArgs.add(potentialOp.getIdentifier());
+ normalizedPath = new InstanceIdentifier(reworkedArgs);
+ }
+ }
+
+ Preconditions.checkArgument(currentOp != null,
+ "Instance Identifier %s does not reference correct schema Node.", normalizedPath);
+ return new AbstractMap.SimpleEntry<InstanceIdentifier,NormalizedNode<?, ?>>(normalizedPath,currentOp.normalize(legacyData));
+ }
+
+ public InstanceIdentifier toLegacy(final InstanceIdentifier normalized) {
+ ImmutableList.Builder<PathArgument> legacyArgs = ImmutableList.builder();
+ PathArgument previous = null;
+ for (PathArgument normalizedArg : normalized.getPath()) {
+ if (normalizedArg instanceof NodeIdentifier) {
+ if (previous != null) {
+ legacyArgs.add(previous);
+ }
+ previous = normalizedArg;
+ } else if (normalizedArg instanceof NodeIdentifierWithPredicates) {
+ // We skip previous node, which was mixin.
+ previous = normalizedArg;
+ } else if (normalizedArg instanceof AugmentationIdentifier) {
+ // We ignore argument
+ }
+ // FIXME : Add option for reading choice
+ }
+ if (previous != null) {
+ legacyArgs.add(previous);
+ }
+ return new InstanceIdentifier(legacyArgs.build());
+ }
+
+ public CompositeNode toLegacy(final InstanceIdentifier normalizedPath, final NormalizedNode<?, ?> normalizedData) {
+ // Preconditions.checkArgument(normalizedData instanceof
+ // DataContainerNode<?>,"Node object %s, %s should be of type DataContainerNode",normalizedPath,normalizedData);
+ if (normalizedData instanceof DataContainerNode<?>) {
+ return toLegacyFromDataContainer((DataContainerNode<?>) normalizedData);
+ }
+ return null;
+ }
+
+ public static Node<?> toLegacy(final NormalizedNode<?, ?> node) {
+ if (node instanceof MixinNode) {
+ /**
+ * Direct reading of MixinNodes is not supported,
+ * since it is not possible in legacy APIs create pointer
+ * to Mixin Nodes.
+ *
+ */
+ return null;
+ }
+
+ if (node instanceof DataContainerNode<?>) {
+ return toLegacyFromDataContainer((DataContainerNode<?>) node);
+ }
+ return toLegacySimple(node);
+
+ }
+
+ private static SimpleNode<?> toLegacySimple(final NormalizedNode<?, ?> node) {
+ return new SimpleNodeTOImpl<Object>(node.getNodeType(), null, node.getValue());
+ }
+
+ @SuppressWarnings({ "unchecked", "rawtypes" })
+ private static CompositeNode toLegacyFromDataContainer(final DataContainerNode<?> node) {
+ CompositeNodeBuilder<ImmutableCompositeNode> builder = ImmutableCompositeNode.builder();
+ builder.setQName(node.getNodeType());
+ for (NormalizedNode<?, ?> child : node.getValue()) {
+ if (child instanceof MixinNode && child instanceof NormalizedNodeContainer<?, ?, ?>) {
+ builder.addAll(toLegacyNodesFromMixin((NormalizedNodeContainer) child));
+ } else {
+ addToBuilder(builder, toLegacy(child));
+ }
+ }
+ return builder.toInstance();
+ }
+
+ private static void addToBuilder(final CompositeNodeBuilder<ImmutableCompositeNode> builder, final Node<?> legacy) {
+ if (legacy != null) {
+ builder.add(legacy);
+ }
+ }
+
+ @SuppressWarnings({ "rawtypes", "unchecked" })
+ private static Iterable<Node<?>> toLegacyNodesFromMixin(
+ final NormalizedNodeContainer<?, ?, NormalizedNode<?, ?>> mixin) {
+ ArrayList<Node<?>> ret = new ArrayList<>();
+ for (NormalizedNode<?, ?> child : mixin.getValue()) {
+ if(child instanceof MixinNode && child instanceof NormalizedNodeContainer<?, ?, ?>) {
+ Iterables.addAll(ret,toLegacyNodesFromMixin((NormalizedNodeContainer) child));
+ } else {
+ ret.add(toLegacy(child));
+ }
+ }
+ return FluentIterable.from(ret).filter(new Predicate<Node<?>>() {
+
+ @Override
+ public boolean apply(final Node<?> input) {
+ return input != null;
+ }
+ });
+ }
+
+ public DataNormalizationOperation<?> getRootOperation() {
+ return operation;
+ }
+
+}
Code Review / controller.git / blobdiff