/*
* Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.restconf.nb.rfc8040.rests.utils;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.Sets;
import com.google.common.primitives.Ints;
import com.google.common.util.concurrent.ListenableFuture;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collectors;
import javax.ws.rs.core.UriInfo;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
import org.opendaylight.restconf.common.context.WriterParameters;
import org.opendaylight.restconf.common.context.WriterParameters.WriterParametersBuilder;
import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
import org.opendaylight.restconf.common.errors.RestconfError;
import org.opendaylight.restconf.common.errors.RestconfError.ErrorTag;
import org.opendaylight.restconf.common.errors.RestconfError.ErrorType;
import org.opendaylight.restconf.nb.rfc8040.rests.transactions.RestconfStrategy;
import org.opendaylight.restconf.nb.rfc8040.utils.parser.ParserFieldsParameter;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.common.QNameModule;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode;
import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.OrderedLeafSetNode;
import org.opendaylight.yangtools.yang.data.api.schema.OrderedMapNode;
import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.ListNodeBuilder;
import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeBuilder;
import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeContainerBuilder;
import org.opendaylight.yangtools.yang.data.util.DataSchemaContextTree;
import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
/**
* Util class for read data from data store via transaction.
*
*
config
*
state
*
all (config + state)
*
*
*/
public final class ReadDataTransactionUtil {
private ReadDataTransactionUtil() {
throw new UnsupportedOperationException("Util class.");
}
/**
* Parse parameters from URI request and check their types and values.
*
* @param identifier {@link InstanceIdentifierContext}
* @param uriInfo URI info
* @return {@link WriterParameters}
*/
public static WriterParameters parseUriParameters(final InstanceIdentifierContext> identifier,
final UriInfo uriInfo) {
final WriterParametersBuilder builder = new WriterParametersBuilder();
if (uriInfo == null) {
return builder.build();
}
// check only allowed parameters
checkParametersTypes(RestconfDataServiceConstant.ReadData.READ_TYPE_TX,
uriInfo.getQueryParameters().keySet(),
RestconfDataServiceConstant.ReadData.CONTENT,
RestconfDataServiceConstant.ReadData.DEPTH,
RestconfDataServiceConstant.ReadData.FIELDS, RestconfDataServiceConstant.ReadData.WITH_DEFAULTS);
// read parameters from URI or set default values
final List content = uriInfo.getQueryParameters().getOrDefault(
RestconfDataServiceConstant.ReadData.CONTENT,
Collections.singletonList(RestconfDataServiceConstant.ReadData.ALL));
final List depth = uriInfo.getQueryParameters().getOrDefault(
RestconfDataServiceConstant.ReadData.DEPTH,
Collections.singletonList(RestconfDataServiceConstant.ReadData.UNBOUNDED));
final List withDefaults = uriInfo.getQueryParameters().getOrDefault(
RestconfDataServiceConstant.ReadData.WITH_DEFAULTS,
Collections.emptyList());
// fields
final List fields = uriInfo.getQueryParameters().getOrDefault(
RestconfDataServiceConstant.ReadData.FIELDS,
Collections.emptyList());
// parameter can be in URI at most once
checkParameterCount(content, RestconfDataServiceConstant.ReadData.CONTENT);
checkParameterCount(depth, RestconfDataServiceConstant.ReadData.DEPTH);
checkParameterCount(fields, RestconfDataServiceConstant.ReadData.FIELDS);
checkParameterCount(fields, RestconfDataServiceConstant.ReadData.WITH_DEFAULTS);
// check and set content
final String contentValue = content.get(0);
if (!contentValue.equals(RestconfDataServiceConstant.ReadData.ALL)) {
if (!contentValue.equals(RestconfDataServiceConstant.ReadData.CONFIG)
&& !contentValue.equals(RestconfDataServiceConstant.ReadData.NONCONFIG)) {
throw new RestconfDocumentedException(
new RestconfError(RestconfError.ErrorType.PROTOCOL, RestconfError.ErrorTag.INVALID_VALUE,
"Invalid content parameter: " + contentValue, null,
"The content parameter value must be either config, nonconfig or all (default)"));
}
}
builder.setContent(content.get(0));
// check and set depth
if (!depth.get(0).equals(RestconfDataServiceConstant.ReadData.UNBOUNDED)) {
final Integer value = Ints.tryParse(depth.get(0));
if (value == null || value < RestconfDataServiceConstant.ReadData.MIN_DEPTH
|| value > RestconfDataServiceConstant.ReadData.MAX_DEPTH) {
throw new RestconfDocumentedException(
new RestconfError(RestconfError.ErrorType.PROTOCOL, RestconfError.ErrorTag.INVALID_VALUE,
"Invalid depth parameter: " + depth, null,
"The depth parameter must be an integer between 1 and 65535 or \"unbounded\""));
} else {
builder.setDepth(value);
}
}
// check and set fields
if (!fields.isEmpty()) {
builder.setFields(ParserFieldsParameter.parseFieldsParameter(identifier, fields.get(0)));
}
// check and set withDefaults parameter
if (!withDefaults.isEmpty()) {
switch (withDefaults.get(0)) {
case RestconfDataServiceConstant.ReadData.REPORT_ALL_TAGGED_DEFAULT_VALUE:
builder.setTagged(true);
break;
case RestconfDataServiceConstant.ReadData.REPORT_ALL_DEFAULT_VALUE:
break;
default:
builder.setWithDefault(withDefaults.get(0));
}
}
return builder.build();
}
/**
* Read specific type of data from data store via transaction. Close {@link DOMTransactionChain} if any
* inside of object {@link RestconfStrategy} provided as a parameter.
*
* @param valueOfContent type of data to read (config, state, all)
* @param path the path to read
* @param strategy {@link RestconfStrategy} - object that perform the actual DS operations
* @param withDefa value of with-defaults parameter
* @param ctx schema context
* @return {@link NormalizedNode}
*/
public static @Nullable NormalizedNode, ?> readData(final @NonNull String valueOfContent,
final @NonNull YangInstanceIdentifier path,
final @NonNull RestconfStrategy strategy,
final String withDefa, final SchemaContext ctx) {
switch (valueOfContent) {
case RestconfDataServiceConstant.ReadData.CONFIG:
if (withDefa == null) {
return readDataViaTransaction(strategy, LogicalDatastoreType.CONFIGURATION, path, true);
} else {
return prepareDataByParamWithDef(
readDataViaTransaction(strategy, LogicalDatastoreType.CONFIGURATION, path, true),
path, withDefa, ctx);
}
case RestconfDataServiceConstant.ReadData.NONCONFIG:
return readDataViaTransaction(strategy, LogicalDatastoreType.OPERATIONAL, path, true);
case RestconfDataServiceConstant.ReadData.ALL:
return readAllData(strategy, path, withDefa, ctx);
default:
strategy.cancel();
throw new RestconfDocumentedException(
new RestconfError(RestconfError.ErrorType.PROTOCOL, RestconfError.ErrorTag.INVALID_VALUE,
"Invalid content parameter: " + valueOfContent, null,
"The content parameter value must be either config, nonconfig or all (default)"));
}
}
/**
* Check if URI does not contain value for the same parameter more than once.
*
* @param parameterValues URI parameter values
* @param parameterName URI parameter name
*/
@VisibleForTesting
static void checkParameterCount(final @NonNull List parameterValues, final @NonNull String parameterName) {
if (parameterValues.size() > 1) {
throw new RestconfDocumentedException(
"Parameter " + parameterName + " can appear at most once in request URI",
ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
}
}
/**
* Check if URI does not contain not allowed parameters for specified operation.
*
* @param operationType type of operation (READ, POST, PUT, DELETE...)
* @param usedParameters parameters used in URI request
* @param allowedParameters allowed parameters for operation
*/
@VisibleForTesting
static void checkParametersTypes(final @NonNull String operationType,
final @NonNull Set usedParameters,
final @NonNull String... allowedParameters) {
// FIXME: there should be a speedier way to do this
final Set notAllowedParameters = Sets.newHashSet(usedParameters);
notAllowedParameters.removeAll(Sets.newHashSet(allowedParameters));
if (!notAllowedParameters.isEmpty()) {
throw new RestconfDocumentedException(
"Not allowed parameters for " + operationType + " operation: " + notAllowedParameters,
RestconfError.ErrorType.PROTOCOL,
RestconfError.ErrorTag.INVALID_VALUE);
}
}
private static NormalizedNode, ?> prepareDataByParamWithDef(final NormalizedNode, ?> result,
final YangInstanceIdentifier path, final String withDefa, final SchemaContext ctx) {
boolean trim;
switch (withDefa) {
case "trim":
trim = true;
break;
case "explicit":
trim = false;
break;
default:
throw new RestconfDocumentedException("");
}
final DataSchemaContextTree baseSchemaCtxTree = DataSchemaContextTree.from(ctx);
final DataSchemaNode baseSchemaNode = baseSchemaCtxTree.getChild(path).getDataSchemaNode();
if (result instanceof ContainerNode) {
final DataContainerNodeBuilder builder =
Builders.containerBuilder((ContainerSchemaNode) baseSchemaNode);
buildCont(builder, (ContainerNode) result, baseSchemaCtxTree, path, trim);
return builder.build();
} else {
final DataContainerNodeBuilder builder =
Builders.mapEntryBuilder((ListSchemaNode) baseSchemaNode);
buildMapEntryBuilder(builder, (MapEntryNode) result, baseSchemaCtxTree, path, trim,
((ListSchemaNode) baseSchemaNode).getKeyDefinition());
return builder.build();
}
}
private static void buildMapEntryBuilder(
final DataContainerNodeBuilder builder,
final MapEntryNode result, final DataSchemaContextTree baseSchemaCtxTree,
final YangInstanceIdentifier actualPath, final boolean trim, final List keys) {
for (final DataContainerChild extends PathArgument, ?> child : result.getValue()) {
final YangInstanceIdentifier path = actualPath.node(child.getIdentifier());
final DataSchemaNode childSchema = baseSchemaCtxTree.getChild(path).getDataSchemaNode();
if (child instanceof ContainerNode) {
final DataContainerNodeBuilder childBuilder =
Builders.containerBuilder((ContainerSchemaNode) childSchema);
buildCont(childBuilder, (ContainerNode) child, baseSchemaCtxTree, path, trim);
builder.withChild(childBuilder.build());
} else if (child instanceof MapNode) {
final CollectionNodeBuilder childBuilder =
Builders.mapBuilder((ListSchemaNode) childSchema);
buildList(childBuilder, (MapNode) child, baseSchemaCtxTree, path, trim,
((ListSchemaNode) childSchema).getKeyDefinition());
builder.withChild(childBuilder.build());
} else if (child instanceof LeafNode) {
final Object defaultVal = ((LeafSchemaNode) childSchema).getType().getDefaultValue().orElse(null);
final Object nodeVal = child.getValue();
final NormalizedNodeBuilder> leafBuilder =
Builders.leafBuilder((LeafSchemaNode) childSchema);
if (keys.contains(child.getNodeType())) {
leafBuilder.withValue(((LeafNode>) child).getValue());
builder.withChild(leafBuilder.build());
} else {
if (trim) {
if (defaultVal == null || !defaultVal.equals(nodeVal)) {
leafBuilder.withValue(((LeafNode>) child).getValue());
builder.withChild(leafBuilder.build());
}
} else {
if (defaultVal != null && defaultVal.equals(nodeVal)) {
leafBuilder.withValue(((LeafNode>) child).getValue());
builder.withChild(leafBuilder.build());
}
}
}
}
}
}
private static void buildList(final CollectionNodeBuilder builder, final MapNode result,
final DataSchemaContextTree baseSchemaCtxTree, final YangInstanceIdentifier path, final boolean trim,
final List keys) {
for (final MapEntryNode mapEntryNode : result.getValue()) {
final YangInstanceIdentifier actualNode = path.node(mapEntryNode.getIdentifier());
final DataSchemaNode childSchema = baseSchemaCtxTree.getChild(actualNode).getDataSchemaNode();
final DataContainerNodeBuilder mapEntryBuilder =
Builders.mapEntryBuilder((ListSchemaNode) childSchema);
buildMapEntryBuilder(mapEntryBuilder, mapEntryNode, baseSchemaCtxTree, actualNode, trim, keys);
builder.withChild(mapEntryBuilder.build());
}
}
private static void buildCont(final DataContainerNodeBuilder builder,
final ContainerNode result, final DataSchemaContextTree baseSchemaCtxTree,
final YangInstanceIdentifier actualPath, final boolean trim) {
for (final DataContainerChild extends PathArgument, ?> child : result.getValue()) {
final YangInstanceIdentifier path = actualPath.node(child.getIdentifier());
final DataSchemaNode childSchema = baseSchemaCtxTree.getChild(path).getDataSchemaNode();
if (child instanceof ContainerNode) {
final DataContainerNodeBuilder builderChild =
Builders.containerBuilder((ContainerSchemaNode) childSchema);
buildCont(builderChild, result, baseSchemaCtxTree, actualPath, trim);
builder.withChild(builderChild.build());
} else if (child instanceof MapNode) {
final CollectionNodeBuilder childBuilder =
Builders.mapBuilder((ListSchemaNode) childSchema);
buildList(childBuilder, (MapNode) child, baseSchemaCtxTree, path, trim,
((ListSchemaNode) childSchema).getKeyDefinition());
builder.withChild(childBuilder.build());
} else if (child instanceof LeafNode) {
final Object defaultVal = ((LeafSchemaNode) childSchema).getType().getDefaultValue().orElse(null);
final Object nodeVal = child.getValue();
final NormalizedNodeBuilder> leafBuilder =
Builders.leafBuilder((LeafSchemaNode) childSchema);
if (trim) {
if (defaultVal == null || !defaultVal.equals(nodeVal)) {
leafBuilder.withValue(((LeafNode>) child).getValue());
builder.withChild(leafBuilder.build());
}
} else {
if (defaultVal != null && defaultVal.equals(nodeVal)) {
leafBuilder.withValue(((LeafNode>) child).getValue());
builder.withChild(leafBuilder.build());
}
}
}
}
}
/**
* If is set specific {@link LogicalDatastoreType} in {@link RestconfStrategy}, then read this type of data from DS.
* If don't, we have to read all data from DS (state + config)
*
* @param strategy {@link RestconfStrategy} - object that perform the actual DS operations
* @param closeTransactionChain If is set to true, after transaction it will close transactionChain
* in {@link RestconfStrategy} if any
* @return {@link NormalizedNode}
*/
private static @Nullable NormalizedNode, ?> readDataViaTransaction(
final @NonNull RestconfStrategy strategy,
final LogicalDatastoreType store, final YangInstanceIdentifier path,
final boolean closeTransactionChain) {
final NormalizedNodeFactory dataFactory = new NormalizedNodeFactory();
final ListenableFuture>> listenableFuture = strategy.read(store, path);
if (closeTransactionChain) {
//Method close transactionChain if any
FutureCallbackTx.addCallback(listenableFuture, RestconfDataServiceConstant.ReadData.READ_TYPE_TX,
dataFactory, strategy.getTransactionChain());
} else {
FutureCallbackTx.addCallback(listenableFuture, RestconfDataServiceConstant.ReadData.READ_TYPE_TX,
dataFactory);
}
return dataFactory.build();
}
/**
* Read config and state data, then map them. Close {@link DOMTransactionChain} inside of object
* {@link RestconfStrategy} provided as a parameter if any.
*
* @param strategy {@link RestconfStrategy} - object that perform the actual DS operations
* @param withDefa with-defaults parameter
* @param ctx schema context
* @return {@link NormalizedNode}
*/
private static @Nullable NormalizedNode, ?> readAllData(final @NonNull RestconfStrategy strategy,
final YangInstanceIdentifier path, final String withDefa, final SchemaContext ctx) {
// PREPARE STATE DATA NODE
final NormalizedNode, ?> stateDataNode = readDataViaTransaction(
strategy, LogicalDatastoreType.OPERATIONAL, path, false);
// PREPARE CONFIG DATA NODE
final NormalizedNode, ?> configDataNode;
//Here will be closed transactionChain if any
if (withDefa == null) {
configDataNode = readDataViaTransaction(
strategy, LogicalDatastoreType.CONFIGURATION, path, true);
} else {
configDataNode = prepareDataByParamWithDef(
readDataViaTransaction(strategy, LogicalDatastoreType.CONFIGURATION, path, true),
path, withDefa, ctx);
}
// if no data exists
if (stateDataNode == null && configDataNode == null) {
return null;
}
// return config data
if (stateDataNode == null) {
return configDataNode;
}
// return state data
if (configDataNode == null) {
return stateDataNode;
}
// merge data from config and state
return mergeStateAndConfigData(stateDataNode, configDataNode);
}
/**
* Merge state and config data into a single NormalizedNode.
*
* @param stateDataNode data node of state data
* @param configDataNode data node of config data
* @return {@link NormalizedNode}
*/
private static @NonNull NormalizedNode, ?> mergeStateAndConfigData(
final @NonNull NormalizedNode, ?> stateDataNode, final @NonNull NormalizedNode, ?> configDataNode) {
validateNodeMerge(stateDataNode, configDataNode);
if (configDataNode instanceof RpcDefinition) {
return prepareRpcData(configDataNode, stateDataNode);
} else {
return prepareData(configDataNode, stateDataNode);
}
}
/**
* Validates whether the two NormalizedNodes can be merged.
*
* @param stateDataNode data node of state data
* @param configDataNode data node of config data
*/
private static void validateNodeMerge(final @NonNull NormalizedNode, ?> stateDataNode,
final @NonNull NormalizedNode, ?> configDataNode) {
final QNameModule moduleOfStateData = stateDataNode.getIdentifier().getNodeType().getModule();
final QNameModule moduleOfConfigData = configDataNode.getIdentifier().getNodeType().getModule();
if (!moduleOfStateData.equals(moduleOfConfigData)) {
throw new RestconfDocumentedException("Unable to merge data from different modules.");
}
}
/**
* Prepare and map data for rpc.
*
* @param configDataNode data node of config data
* @param stateDataNode data node of state data
* @return {@link NormalizedNode}
*/
private static @NonNull NormalizedNode, ?> prepareRpcData(final @NonNull NormalizedNode, ?> configDataNode,
final @NonNull NormalizedNode, ?> stateDataNode) {
final DataContainerNodeBuilder mapEntryBuilder = ImmutableNodes
.mapEntryBuilder();
mapEntryBuilder.withNodeIdentifier((NodeIdentifierWithPredicates) configDataNode.getIdentifier());
// MAP CONFIG DATA
mapRpcDataNode(configDataNode, mapEntryBuilder);
// MAP STATE DATA
mapRpcDataNode(stateDataNode, mapEntryBuilder);
return ImmutableNodes.mapNodeBuilder(configDataNode.getNodeType()).addChild(mapEntryBuilder.build()).build();
}
/**
* Map node to map entry builder.
*
* @param dataNode data node
* @param mapEntryBuilder builder for mapping data
*/
private static void mapRpcDataNode(final @NonNull NormalizedNode, ?> dataNode,
final @NonNull DataContainerNodeBuilder mapEntryBuilder) {
((ContainerNode) dataNode).getValue().forEach(mapEntryBuilder::addChild);
}
/**
* Prepare and map all data from DS.
*
* @param configDataNode data node of config data
* @param stateDataNode data node of state data
* @return {@link NormalizedNode}
*/
@SuppressWarnings("unchecked")
private static @NonNull NormalizedNode, ?> prepareData(final @NonNull NormalizedNode, ?> configDataNode,
final @NonNull NormalizedNode, ?> stateDataNode) {
if (configDataNode instanceof OrderedMapNode) {
final CollectionNodeBuilder builder = Builders
.orderedMapBuilder().withNodeIdentifier(((MapNode) configDataNode).getIdentifier());
mapValueToBuilder(
((OrderedMapNode) configDataNode).getValue(), ((OrderedMapNode) stateDataNode).getValue(), builder);
return builder.build();
} else if (configDataNode instanceof MapNode) {
final CollectionNodeBuilder builder = ImmutableNodes
.mapNodeBuilder().withNodeIdentifier(((MapNode) configDataNode).getIdentifier());
mapValueToBuilder(
((MapNode) configDataNode).getValue(), ((MapNode) stateDataNode).getValue(), builder);
return builder.build();
} else if (configDataNode instanceof MapEntryNode) {
final DataContainerNodeBuilder builder = ImmutableNodes
.mapEntryBuilder().withNodeIdentifier(((MapEntryNode) configDataNode).getIdentifier());
mapValueToBuilder(
((MapEntryNode) configDataNode).getValue(), ((MapEntryNode) stateDataNode).getValue(), builder);
return builder.build();
} else if (configDataNode instanceof ContainerNode) {
final DataContainerNodeBuilder builder = Builders
.containerBuilder().withNodeIdentifier(((ContainerNode) configDataNode).getIdentifier());
mapValueToBuilder(
((ContainerNode) configDataNode).getValue(), ((ContainerNode) stateDataNode).getValue(), builder);
return builder.build();
} else if (configDataNode instanceof AugmentationNode) {
final DataContainerNodeBuilder builder = Builders
.augmentationBuilder().withNodeIdentifier(((AugmentationNode) configDataNode).getIdentifier());
mapValueToBuilder(((AugmentationNode) configDataNode).getValue(),
((AugmentationNode) stateDataNode).getValue(), builder);
return builder.build();
} else if (configDataNode instanceof ChoiceNode) {
final DataContainerNodeBuilder builder = Builders
.choiceBuilder().withNodeIdentifier(((ChoiceNode) configDataNode).getIdentifier());
mapValueToBuilder(
((ChoiceNode) configDataNode).getValue(), ((ChoiceNode) stateDataNode).getValue(), builder);
return builder.build();
} else if (configDataNode instanceof LeafNode) {
return ImmutableNodes.leafNode(configDataNode.getNodeType(), configDataNode.getValue());
} else if (configDataNode instanceof OrderedLeafSetNode) {
final ListNodeBuilder