opendaylight/md-sal/sal-common-impl/src/test/java/org/opendaylight/controller/md/sal/common/impl/util/compat/DataNormalizerTest.java

   1 /*
   2  * Copyright (c) 2014 Brocade Communications Systems, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.md.sal.common.impl.util.compat;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertNotNull;
  12 import static org.junit.Assert.assertNull;
  13 import static org.junit.Assert.assertTrue;
  14 import static org.junit.Assert.fail;
  15
  16 import com.google.common.collect.ImmutableList;
  17 import com.google.common.collect.Iterables;
  18 import com.google.common.collect.Lists;
  19 import com.google.common.collect.Maps;
  20 import com.google.common.collect.Sets;
  21
  22 import java.util.AbstractMap;
  23 import java.util.ArrayList;
  24 import java.util.Arrays;
  25 import java.util.Collections;
  26 import java.util.Comparator;
  27 import java.util.List;
  28 import java.util.Map;
  29 import java.util.Map.Entry;
  30 import java.util.Set;
  31
  32 import org.junit.Test;
  33 import org.opendaylight.yangtools.yang.common.QName;
  34 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
  35 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  36 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
  37 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  38 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  39 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
  40 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  41 import org.opendaylight.yangtools.yang.data.api.Node;
  42 import org.opendaylight.yangtools.yang.data.api.SimpleNode;
  43 import org.opendaylight.yangtools.yang.data.api.schema.AnyXmlNode;
  44 import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
  45 import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
  46 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  47 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
  48 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
  49 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode;
  50 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  51 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  52 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  53 import org.opendaylight.yangtools.yang.data.api.schema.OrderedLeafSetNode;
  54 import org.opendaylight.yangtools.yang.data.api.schema.OrderedMapNode;
  55 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
  56 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
  57 import org.opendaylight.yangtools.yang.data.impl.ImmutableCompositeNode;
  58 import org.opendaylight.yangtools.yang.data.impl.NodeFactory;
  59 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  60 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  61 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.ListNodeBuilder;
  62 import org.opendaylight.yangtools.yang.data.impl.util.CompositeNodeBuilder;
  63 import org.opendaylight.yangtools.yang.model.api.Module;
  64 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  65 import org.opendaylight.yangtools.yang.parser.impl.YangParserImpl;
  66
  67 public class DataNormalizerTest {
  68
  69     static class NormalizedNodeData {
  70         PathArgument nodeID;
  71         Class<?> nodeClass;
  72         Object nodeData; // List for a container, value Object for a leaf
  73
  74         NormalizedNodeData(final PathArgument nodeID, final Class<?> nodeClass, final Object nodeData) {
  75             this.nodeID = nodeID;
  76             this.nodeClass = nodeClass;
  77             this.nodeData = nodeData;
  78         }
  79     }
  80
  81     static class LegacyNodeData {
  82         QName nodeKey;
  83         Object nodeData; // List for a CompositeNode, value Object for a
  84         // SimpeNode
  85
  86         LegacyNodeData(final QName nodeKey, final Object nodeData) {
  87             this.nodeKey = nodeKey;
  88             this.nodeData = nodeData;
  89         }
  90
  91         @Override
  92         public String toString() {
  93             return nodeKey.toString();
  94         }
  95     }
  96
  97     static final QName TEST_QNAME = QName.create(
  98             "urn:opendaylight:params:xml:ns:yang:controller:md:sal:normalization:test", "2014-03-13", "test");
  99     static final QName OUTER_LIST_QNAME = QName.create(TEST_QNAME, "outer-list");
 100     static final QName INNER_LIST_QNAME = QName.create(TEST_QNAME, "inner-list");
 101     static final QName OUTER_CHOICE_QNAME = QName.create(TEST_QNAME, "outer-choice");
 102     static final QName ID_QNAME = QName.create(TEST_QNAME, "id");
 103     static final QName NAME_QNAME = QName.create(TEST_QNAME, "name");
 104     static final QName VALUE_QNAME = QName.create(TEST_QNAME, "value");
 105
 106     static final YangInstanceIdentifier TEST_PATH = YangInstanceIdentifier.of(TEST_QNAME);
 107     static final YangInstanceIdentifier OUTER_LIST_PATH = YangInstanceIdentifier.builder(TEST_PATH).node(OUTER_LIST_QNAME)
 108             .build();
 109     static final QName ONE_QNAME = QName.create(TEST_QNAME, "one");
 110     static final QName TWO_QNAME = QName.create(TEST_QNAME, "two");
 111     static final QName THREE_QNAME = QName.create(TEST_QNAME, "three");
 112
 113     static final QName ANY_XML_DATA_QNAME = QName.create(TEST_QNAME, "any-xml-data");
 114     static final QName OUTER_CONTAINER_QNAME = QName.create(TEST_QNAME, "outer-container");
 115     static final QName AUGMENTED_LEAF_QNAME = QName.create(TEST_QNAME, "augmented-leaf");
 116     static final QName UNKEYED_LIST_QNAME = QName.create(TEST_QNAME, "unkeyed-list");
 117     static final QName UNORDERED_LEAF_LIST_QNAME = QName.create(TEST_QNAME, "unordered-leaf-list");
 118     static final QName ORDERED_LEAF_LIST_QNAME = QName.create(TEST_QNAME, "ordered-leaf-list");
 119
 120     static final Short OUTER_LIST_ID = (short) 10;
 121
 122     static final YangInstanceIdentifier OUTER_LIST_PATH_LEGACY = YangInstanceIdentifier.builder(TEST_QNAME)
 123             .nodeWithKey(OUTER_LIST_QNAME, ID_QNAME, OUTER_LIST_ID).build();
 124
 125     static final YangInstanceIdentifier LEAF_TWO_PATH_LEGACY = YangInstanceIdentifier.builder(OUTER_LIST_PATH_LEGACY)
 126             .node(TWO_QNAME).build();
 127
 128     static final QName ANY_XML_LEAF_QNAME = QName.create(TEST_QNAME, "leaf");;
 129     static final QName ANY_XML_INNER_QNAME = QName.create(TEST_QNAME, "inner");
 130     static final QName ANY_XML_INNER_LEAF_QNAME = QName.create(TEST_QNAME, "inner-leaf");
 131
 132     SchemaContext createTestContext() {
 133         YangParserImpl parser = new YangParserImpl();
 134         Set<Module> modules = parser.parseYangModelsFromStreams(Collections.singletonList(DataNormalizerTest.class
 135                 .getResourceAsStream("/normalization-test.yang")));
 136         return parser.resolveSchemaContext(modules);
 137     }
 138
 139     @Test
 140     public void testToNormalizedInstanceIdentifier() {
 141         SchemaContext testCtx = createTestContext();
 142         DataNormalizer normalizer = new DataNormalizer(testCtx);
 143
 144         YangInstanceIdentifier normalizedPath = normalizer.toNormalized(LEAF_TWO_PATH_LEGACY);
 145
 146         verifyNormalizedInstanceIdentifier(normalizedPath, TEST_QNAME, OUTER_LIST_QNAME, new Object[] {
 147                 OUTER_LIST_QNAME, ID_QNAME, OUTER_LIST_ID }, OUTER_CHOICE_QNAME, TWO_QNAME);
 148     }
 149
 150     private void verifyNormalizedInstanceIdentifier(final YangInstanceIdentifier actual, final Object... expPath) {
 151
 152         assertNotNull("Actual InstanceIdentifier is null", actual);
 153         assertEquals("InstanceIdentifier path length", expPath.length, Iterables.size(actual.getPathArguments()));
 154
 155         for (int i = 0; i < expPath.length; i++) {
 156             PathArgument actualArg = Iterables.get(actual.getPathArguments(), i);
 157             if (expPath[i] instanceof Object[]) { // NodeIdentifierWithPredicates
 158                 Object[] exp = (Object[]) expPath[i];
 159                 assertEquals("Actual path arg " + (i + 1) + " class", NodeIdentifierWithPredicates.class,
 160                         actualArg.getClass());
 161                 NodeIdentifierWithPredicates actualNode = (NodeIdentifierWithPredicates) actualArg;
 162                 assertEquals("Actual path arg " + (i + 1) + " node type", exp[0], actualNode.getNodeType());
 163                 assertEquals("Actual path arg " + (i + 1) + " key values map size", 1, actualNode.getKeyValues().size());
 164                 Entry<QName, Object> keyValuesEntry = actualNode.getKeyValues().entrySet().iterator().next();
 165                 assertEquals("Actual path arg " + (i + 1) + " key values map key", exp[1], keyValuesEntry.getKey());
 166                 assertEquals("Actual path arg " + (i + 1) + " key values map value", exp[2], keyValuesEntry.getValue());
 167             } else if (expPath[i] instanceof Set) { // AugmentationIdentifier
 168                 assertEquals("Actual path arg " + (i + 1) + " class", AugmentationIdentifier.class,
 169                         actualArg.getClass());
 170                 AugmentationIdentifier actualNode = (AugmentationIdentifier) actualArg;
 171                 assertEquals("Actual path arg " + (i + 1) + " PossibleChildNames", expPath[i],
 172                         actualNode.getPossibleChildNames());
 173             } else {
 174                 assertEquals("Actual path arg " + (i + 1) + " node type", expPath[i], actualArg.getNodeType());
 175             }
 176         }
 177     }
 178
 179     @Test
 180     public void testToLegacyInstanceIdentifier() throws DataNormalizationException {
 181
 182         DataNormalizer normalizer = new DataNormalizer(createTestContext());
 183
 184         YangInstanceIdentifier normalized = YangInstanceIdentifier.builder().node(TEST_QNAME).node(OUTER_LIST_QNAME)
 185                 .nodeWithKey(OUTER_LIST_QNAME, ID_QNAME, OUTER_LIST_ID).node(OUTER_CHOICE_QNAME).node(TWO_QNAME)
 186                 .build();
 187
 188         YangInstanceIdentifier legacy = normalizer.toLegacy(normalized);
 189
 190         assertEquals("Legacy InstanceIdentifier", LEAF_TWO_PATH_LEGACY, legacy);
 191     }
 192
 193     @Test
 194     public void testToLegacyNormalizedNode() {
 195
 196         ChoiceNode choiceNode1 = Builders.choiceBuilder().withNodeIdentifier(new NodeIdentifier(OUTER_CHOICE_QNAME))
 197                 .withChild(ImmutableNodes.leafNode(TWO_QNAME, "two"))
 198                 .withChild(ImmutableNodes.leafNode(THREE_QNAME, "three")).build();
 199
 200         MapEntryNode innerListEntryNode1 = Builders.mapEntryBuilder()
 201                 .withNodeIdentifier(new NodeIdentifierWithPredicates(INNER_LIST_QNAME, NAME_QNAME, "inner-name1"))
 202                 .withChild(ImmutableNodes.leafNode(NAME_QNAME, "inner-name1"))
 203                 .withChild(ImmutableNodes.leafNode(VALUE_QNAME, "inner-value1")).build();
 204
 205         MapEntryNode innerListEntryNode2 = Builders.mapEntryBuilder()
 206                 .withNodeIdentifier(new NodeIdentifierWithPredicates(INNER_LIST_QNAME, NAME_QNAME, "inner-name2"))
 207                 .withChild(ImmutableNodes.leafNode(NAME_QNAME, "inner-name2"))
 208                 .withChild(ImmutableNodes.leafNode(VALUE_QNAME, "inner-value2")).build();
 209
 210         OrderedMapNode innerListNode = Builders.orderedMapBuilder()
 211                 .withNodeIdentifier(new NodeIdentifier(INNER_LIST_QNAME)).withChild(innerListEntryNode1)
 212                 .withChild(innerListEntryNode2).build();
 213
 214         Short outerListID1 = Short.valueOf((short) 10);
 215         MapEntryNode outerListEntryNode1 = Builders.mapEntryBuilder()
 216                 .withNodeIdentifier(new NodeIdentifierWithPredicates(OUTER_LIST_QNAME, ID_QNAME, outerListID1))
 217                 .withChild(ImmutableNodes.leafNode(ID_QNAME, outerListID1)).withChild(choiceNode1)
 218                 .withChild(innerListNode).build();
 219
 220         ChoiceNode choiceNode2 = Builders.choiceBuilder().withNodeIdentifier(new NodeIdentifier(OUTER_CHOICE_QNAME))
 221                 .withChild(ImmutableNodes.leafNode(ONE_QNAME, "one")).build();
 222
 223         Short outerListID2 = Short.valueOf((short) 20);
 224         MapEntryNode outerListEntryNode2 = Builders.mapEntryBuilder()
 225                 .withNodeIdentifier(new NodeIdentifierWithPredicates(OUTER_LIST_QNAME, ID_QNAME, outerListID2))
 226                 .withChild(ImmutableNodes.leafNode(ID_QNAME, outerListID2)).withChild(choiceNode2).build();
 227
 228         MapNode outerListNode = Builders.mapBuilder().withNodeIdentifier(new NodeIdentifier(OUTER_LIST_QNAME))
 229                 .withChild(outerListEntryNode1).withChild(outerListEntryNode2).build();
 230
 231         UnkeyedListEntryNode unkeyedListEntryNode1 = Builders.unkeyedListEntryBuilder()
 232                 .withNodeIdentifier(new NodeIdentifier(UNKEYED_LIST_QNAME))
 233                 .withChild(ImmutableNodes.leafNode(NAME_QNAME, "unkeyed1")).build();
 234
 235         UnkeyedListEntryNode unkeyedListEntryNode2 = Builders.unkeyedListEntryBuilder()
 236                 .withNodeIdentifier(new NodeIdentifier(UNKEYED_LIST_QNAME))
 237                 .withChild(ImmutableNodes.leafNode(NAME_QNAME, "unkeyed2")).build();
 238
 239         UnkeyedListNode unkeyedListNode = Builders.unkeyedListBuilder()
 240                 .withNodeIdentifier(new NodeIdentifier(UNKEYED_LIST_QNAME)).withChild(unkeyedListEntryNode1)
 241                 .withChild(unkeyedListEntryNode2).build();
 242
 243         ContainerNode testContainerNode = Builders.containerBuilder()
 244                 .withNodeIdentifier(new NodeIdentifier(TEST_QNAME)).withChild(outerListNode).withChild(unkeyedListNode)
 245                 .build();
 246
 247         Node<?> legacyNode = DataNormalizer.toLegacy(testContainerNode);
 248
 249         verifyLegacyNode(
 250                 legacyNode,
 251                 expectCompositeNode(
 252                         TEST_QNAME,
 253                         expectCompositeNode(
 254                                 OUTER_LIST_QNAME,
 255                                 expectSimpleNode(ID_QNAME, outerListID1),
 256                                 expectSimpleNode(TWO_QNAME, "two"),
 257                                 expectSimpleNode(THREE_QNAME, "three"),
 258
 259                                 expectCompositeNode(INNER_LIST_QNAME, expectSimpleNode(NAME_QNAME, "inner-name1"),
 260                                         expectSimpleNode(VALUE_QNAME, "inner-value1")),
 261
 262                                         expectCompositeNode(INNER_LIST_QNAME, expectSimpleNode(NAME_QNAME, "inner-name2"),
 263                                                 expectSimpleNode(VALUE_QNAME, "inner-value2"))),
 264                                                 expectCompositeNode(OUTER_LIST_QNAME, expectSimpleNode(ID_QNAME, outerListID2),
 265                                                         expectSimpleNode(ONE_QNAME, "one")),
 266                                                         expectCompositeNode(UNKEYED_LIST_QNAME, expectSimpleNode(NAME_QNAME, "unkeyed1")),
 267                                                         expectCompositeNode(UNKEYED_LIST_QNAME, expectSimpleNode(NAME_QNAME, "unkeyed2"))));
 268
 269         // Conversion of Mixin type nodes is not supported.
 270
 271         assertNull("Expected null returned for Mixin type node", DataNormalizer.toLegacy(outerListNode));
 272     }
 273
 274     /**
 275      * Following data are constructed: <any-xml-data> <inner>
 276      * <inner-leaf>inner-leaf-value</inner-leaf> </inner>
 277      * <leaf>leaf-value</leaf> <any-xml-data>
 278      */
 279     @Test
 280     public void testToLegacyNormalizedNodeWithAnyXml() {
 281
 282         Node<?> innerLeafChild = NodeFactory.createImmutableSimpleNode(ANY_XML_INNER_LEAF_QNAME, null,
 283                 "inner-leaf-value");
 284         CompositeNode innerContainer = NodeFactory.createImmutableCompositeNode(ANY_XML_INNER_QNAME, null,
 285                 Collections.<Node<?>> singletonList(innerLeafChild));
 286
 287         Node<?> leafChild = NodeFactory.createImmutableSimpleNode(ANY_XML_LEAF_QNAME, null, "leaf-value");
 288         CompositeNode anyXmlNodeValue = NodeFactory.createImmutableCompositeNode(ANY_XML_DATA_QNAME, null,
 289                 Arrays.asList(leafChild, innerContainer));
 290
 291         AnyXmlNode testAnyXmlNode = Builders.anyXmlBuilder().withNodeIdentifier(new NodeIdentifier(TEST_QNAME))
 292                 .withValue(anyXmlNodeValue).build();
 293
 294         ContainerNode testContainerNode = Builders.containerBuilder()
 295                 .withNodeIdentifier(new NodeIdentifier(TEST_QNAME)).withChild(testAnyXmlNode).build();
 296
 297         DataNormalizer normalizer = new DataNormalizer(createTestContext());
 298         Node<?> legacyNode = normalizer.toLegacy(YangInstanceIdentifier.builder(TEST_QNAME).build(), testContainerNode);
 299
 300         verifyLegacyNode(
 301                 legacyNode,
 302                 expectCompositeNode(
 303                         TEST_QNAME,
 304                         expectCompositeNode(
 305                                 ANY_XML_DATA_QNAME,
 306                                 expectSimpleNode(ANY_XML_LEAF_QNAME, "leaf-value"),
 307                                 expectCompositeNode(ANY_XML_INNER_QNAME,
 308                                         expectSimpleNode(ANY_XML_INNER_LEAF_QNAME, "inner-leaf-value")))));
 309     }
 310
 311     @Test
 312     public void testToLegacyNormalizedNodeWithLeafLists() {
 313
 314         CompositeNodeBuilder<ImmutableCompositeNode> testBuilder = ImmutableCompositeNode.builder();
 315         testBuilder.setQName(TEST_QNAME);
 316
 317         ListNodeBuilder<Object, LeafSetEntryNode<Object>> leafSetBuilder = Builders.leafSetBuilder()
 318                 .withNodeIdentifier(new NodeIdentifier(UNORDERED_LEAF_LIST_QNAME));
 319         for (int i = 1; i <= 3; i++) {
 320             leafSetBuilder.withChildValue("unordered-value" + i);
 321         }
 322
 323         ListNodeBuilder<Object, LeafSetEntryNode<Object>> orderedLeafSetBuilder = Builders.orderedLeafSetBuilder()
 324                 .withNodeIdentifier(new NodeIdentifier(ORDERED_LEAF_LIST_QNAME));
 325         for (int i = 3; i > 0; i--) {
 326             orderedLeafSetBuilder.withChildValue("ordered-value" + i);
 327         }
 328
 329         ContainerNode testContainerNode = Builders.containerBuilder()
 330                 .withNodeIdentifier(new NodeIdentifier(TEST_QNAME)).withChild(leafSetBuilder.build())
 331                 .withChild(orderedLeafSetBuilder.build()).build();
 332
 333         DataNormalizer normalizer = new DataNormalizer(createTestContext());
 334
 335         Node<?> legacyNode = normalizer.toLegacy(YangInstanceIdentifier.builder(TEST_QNAME).build(), testContainerNode);
 336
 337         verifyLegacyNode(
 338                 legacyNode,
 339                 expectCompositeNode(TEST_QNAME, expectSimpleNode(UNORDERED_LEAF_LIST_QNAME, "unordered-value1"),
 340                         expectSimpleNode(UNORDERED_LEAF_LIST_QNAME, "unordered-value2"),
 341                         expectSimpleNode(UNORDERED_LEAF_LIST_QNAME, "unordered-value3"),
 342                         expectSimpleNode(ORDERED_LEAF_LIST_QNAME, "ordered-value3"),
 343                         expectSimpleNode(ORDERED_LEAF_LIST_QNAME, "ordered-value2"),
 344                         expectSimpleNode(ORDERED_LEAF_LIST_QNAME, "ordered-value1")));
 345     }
 346
 347     @Test
 348     public void testToLegacyNormalizedNodeWithAugmentation() {
 349
 350         AugmentationNode augmentationNode = Builders.augmentationBuilder()
 351                 .withNodeIdentifier(new AugmentationIdentifier(Sets.newHashSet(AUGMENTED_LEAF_QNAME)))
 352                 .withChild(ImmutableNodes.leafNode(AUGMENTED_LEAF_QNAME, "augmented-value")).build();
 353
 354         ContainerNode outerContainerNode = Builders.containerBuilder()
 355                 .withNodeIdentifier(new NodeIdentifier(OUTER_CONTAINER_QNAME)).withChild(augmentationNode).build();
 356
 357         ContainerNode testContainerNode = Builders.containerBuilder()
 358                 .withNodeIdentifier(new NodeIdentifier(TEST_QNAME)).withChild(outerContainerNode).build();
 359
 360         DataNormalizer normalizer = new DataNormalizer(createTestContext());
 361
 362         Node<?> legacyNode = normalizer.toLegacy(YangInstanceIdentifier.builder(TEST_QNAME).build(), testContainerNode);
 363
 364         verifyLegacyNode(
 365                 legacyNode,
 366                 expectCompositeNode(
 367                         TEST_QNAME,
 368                         expectCompositeNode(OUTER_CONTAINER_QNAME,
 369                                 expectSimpleNode(AUGMENTED_LEAF_QNAME, "augmented-value"))));
 370     }
 371
 372     private boolean isOrdered(final QName nodeName) {
 373         return ORDERED_LEAF_LIST_QNAME.equals(nodeName) || INNER_LIST_QNAME.equals(nodeName);
 374     }
 375
 376     @SuppressWarnings("unchecked")
 377     private void verifyLegacyNode(final Node<?> actual, final LegacyNodeData expNodeData) {
 378
 379         assertNotNull("Actual Node is null", actual);
 380         assertTrue("Expected CompositeNode instance", actual instanceof CompositeNode);
 381         CompositeNode actualCN = (CompositeNode) actual;
 382         assertEquals("Node key", expNodeData.nodeKey, actualCN.getKey());
 383
 384         List<LegacyNodeData> expChildData = Lists.newArrayList();
 385         List<LegacyNodeData> unorderdChildData = Lists.newArrayList();
 386         for (LegacyNodeData data : (List<LegacyNodeData>) expNodeData.nodeData) {
 387             if (isOrdered(data.nodeKey)) {
 388                 expChildData.add(data);
 389             } else {
 390                 unorderdChildData.add(data);
 391             }
 392         }
 393
 394         Collections.sort(unorderdChildData, new Comparator<LegacyNodeData>() {
 395             @Override
 396             public int compare(final LegacyNodeData arg1, final LegacyNodeData arg2) {
 397                 if (!(arg1.nodeData instanceof List) && !(arg2.nodeData instanceof List)) {
 398                     // if neither is a list, just compare them
 399                     String str1 = arg1.nodeKey.getLocalName() + arg1.nodeData;
 400                     String str2 = arg2.nodeKey.getLocalName() + arg2.nodeData;
 401                     return str1.compareTo(str2);
 402                 } else if (arg1.nodeData instanceof List && arg2.nodeData instanceof List) {
 403                     // if both are lists, first check their local name
 404                     String str1 = arg1.nodeKey.getLocalName();
 405                     String str2 = arg2.nodeKey.getLocalName();
 406                     if (!str1.equals(str2)) {
 407                         return str1.compareTo(str2);
 408                     } else {
 409                         // if local names are the same, then look at the list contents
 410                         List<LegacyNodeData> l1 = (List<LegacyNodeData>) arg1.nodeData;
 411                         List<LegacyNodeData> l2 = (List<LegacyNodeData>) arg2.nodeData;
 412
 413                         if (l1.size() != l2.size()) {
 414                             // if the sizes are different, use that
 415                             return l2.size() - l1.size();
 416                         } else {
 417                             // lastly sort and recursively check the list contents
 418                             Collections.sort(l1, this);
 419                             Collections.sort(l2, this);
 420
 421                             for (int i = 0 ; i < l1.size() ; i++) {
 422                                 int diff = this.compare(l1.get(i), l2.get(i));
 423                                 if (diff != 0) {
 424                                     return diff;
 425                                 }
 426                             }
 427                             return 0;
 428                         }
 429                     }
 430                 } else if( arg1.nodeData instanceof List ) {
 431                     return -1;
 432                 } else{
 433                     return 1;
 434                 }
 435             }
 436         });
 437
 438         expChildData.addAll(unorderdChildData);
 439
 440         List<Node<?>> actualChildNodes = Lists.newArrayList();
 441         List<Node<?>> unorderedChildNodes = Lists.newArrayList();
 442         for (Node<?> node : actualCN.getValue()) {
 443             if (isOrdered(node.getKey())) {
 444                 actualChildNodes.add(node);
 445             } else {
 446                 unorderedChildNodes.add(node);
 447             }
 448         }
 449
 450         Collections.sort(unorderedChildNodes, new Comparator<Node<?>>() {
 451             @Override
 452             public int compare(final Node<?> n1, final Node<?> n2) {
 453                 if (n1 instanceof SimpleNode && n2 instanceof SimpleNode) {
 454                     // if they're SimpleNodes just compare their strings
 455                     String str1 = n1.getKey().getLocalName() + ((SimpleNode<?>)n1).getValue();
 456                     String str2 = n2.getKey().getLocalName() + ((SimpleNode<?>)n2).getValue();
 457                     return str1.compareTo(str2);
 458                 } else if (n1 instanceof CompositeNode && n2 instanceof CompositeNode) {
 459                     // if they're CompositeNodes, things are more interesting
 460                     String str1 = n1.getKey().getLocalName();
 461                     String str2 = n2.getKey().getLocalName();
 462                     if (!str1.equals(str2)) {
 463                         // if their local names differ, return that difference
 464                         return str1.compareTo(str2);
 465                     } else {
 466                         // otherwise, we need to look at their contents
 467                         ArrayList<Node<?>> l1 = new ArrayList<Node<?>>( ((CompositeNode)n1).getValue() );
 468                         ArrayList<Node<?>> l2 = new ArrayList<Node<?>>( ((CompositeNode)n2).getValue() );
 469
 470                         if (l1.size() != l2.size()) {
 471                             // if they have different numbers of things in them return that
 472                             return l2.size() - l1.size();
 473                         } else {
 474                             // otherwise, compare the individual elements, first sort them
 475                             Collections.sort(l1, this);
 476                             Collections.sort(l2, this);
 477
 478                             // then compare them individually
 479                             for(int i = 0 ; i < l2.size() ; i++) {
 480                                 int diff = this.compare(l1.get(i), l2.get(i));
 481                                 if(diff != 0){
 482                                     return diff;
 483                                 }
 484                             }
 485                             return 0;
 486                         }
 487                     }
 488                 } else if (n1 instanceof CompositeNode && n2 instanceof SimpleNode) {
 489                     return -1;
 490                 } else if (n2 instanceof CompositeNode && n1 instanceof SimpleNode) {
 491                     return 1;
 492                 } else {
 493                     assertTrue("Expected either SimpleNodes CompositeNodes", false);
 494                     return 0;
 495                 }
 496             }
 497         });
 498
 499         actualChildNodes.addAll(unorderedChildNodes);
 500
 501         for (Node<?> actualChild : actualChildNodes) {
 502             LegacyNodeData expData = expChildData.isEmpty() ? null : expChildData.remove(0);
 503             assertNotNull("Unexpected child node with key " + actualChild.getKey(), expData);
 504             assertEquals("Child node QName", expData.nodeKey, actualChild.getKey());
 505
 506             if (expData.nodeData instanceof List) { // List represents a
 507                 // composite node
 508                 verifyLegacyNode(actualChild, expData);
 509             } else { // else a simple node
 510                 assertTrue("Expected SimpleNode instance", actualChild instanceof SimpleNode);
 511                 assertEquals("Child node value with key " + actualChild.getKey(), expData.nodeData,
 512                         ((SimpleNode<?>) actualChild).getValue());
 513             }
 514         }
 515
 516         if (!expChildData.isEmpty()) {
 517             fail("Missing child nodes: " + expChildData);
 518         }
 519     }
 520
 521     private LegacyNodeData expectCompositeNode(final QName key, final LegacyNodeData... childData) {
 522         return new LegacyNodeData(key, Lists.newArrayList(childData));
 523     }
 524
 525     private LegacyNodeData expectSimpleNode(final QName key, final Object value) {
 526         return new LegacyNodeData(key, value);
 527     }
 528
 529     @Test
 530     public void testToNormalizedCompositeNode() {
 531         SchemaContext testCtx = createTestContext();
 532         DataNormalizer normalizer = new DataNormalizer(testCtx);
 533
 534         CompositeNodeBuilder<ImmutableCompositeNode> testBuilder = ImmutableCompositeNode.builder();
 535         testBuilder.setQName(TEST_QNAME);
 536
 537         CompositeNodeBuilder<ImmutableCompositeNode> outerListBuilder = ImmutableCompositeNode.builder();
 538         outerListBuilder.setQName(OUTER_LIST_QNAME);
 539         outerListBuilder.addLeaf(ID_QNAME, 10);
 540         outerListBuilder.addLeaf(ONE_QNAME, "one");
 541
 542         for (int i = 3; i > 0; i--) {
 543             CompositeNodeBuilder<ImmutableCompositeNode> innerListBuilder = ImmutableCompositeNode.builder();
 544             innerListBuilder.setQName(INNER_LIST_QNAME);
 545             innerListBuilder.addLeaf(NAME_QNAME, "inner-name" + i);
 546             innerListBuilder.addLeaf(VALUE_QNAME, "inner-value" + i);
 547             outerListBuilder.add(innerListBuilder.toInstance());
 548         }
 549
 550         testBuilder.add(outerListBuilder.toInstance());
 551
 552         outerListBuilder = ImmutableCompositeNode.builder();
 553         outerListBuilder.setQName(OUTER_LIST_QNAME);
 554         outerListBuilder.addLeaf(ID_QNAME, 20);
 555         outerListBuilder.addLeaf(TWO_QNAME, "two");
 556         outerListBuilder.addLeaf(THREE_QNAME, "three");
 557         testBuilder.add(outerListBuilder.toInstance());
 558
 559         for (int i = 1; i <= 2; i++) {
 560             CompositeNodeBuilder<ImmutableCompositeNode> unkeyedListBuilder = ImmutableCompositeNode.builder();
 561             unkeyedListBuilder.setQName(UNKEYED_LIST_QNAME);
 562             unkeyedListBuilder.addLeaf(NAME_QNAME, "unkeyed-name" + i);
 563             testBuilder.add(unkeyedListBuilder.toInstance());
 564         }
 565
 566         Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalizedNodeEntry = normalizer
 567                 .toNormalized(new AbstractMap.SimpleEntry<YangInstanceIdentifier, CompositeNode>(YangInstanceIdentifier.create(
 568                         ImmutableList.<PathArgument> of(new NodeIdentifier(TEST_QNAME))), testBuilder.toInstance()));
 569
 570         verifyNormalizedInstanceIdentifier(normalizedNodeEntry.getKey(), TEST_QNAME);
 571
 572         verifyNormalizedNode(
 573                 normalizedNodeEntry.getValue(),
 574                 expectContainerNode(
 575                         TEST_QNAME,
 576                         expectMapNode(
 577                                 OUTER_LIST_QNAME,
 578                                 expectMapEntryNode(
 579                                         OUTER_LIST_QNAME,
 580                                         ID_QNAME,
 581                                         10,
 582                                         expectLeafNode(ID_QNAME, 10),
 583                                         expectChoiceNode(OUTER_CHOICE_QNAME, expectLeafNode(ONE_QNAME, "one")),
 584                                         expectOrderedMapNode(
 585                                                 INNER_LIST_QNAME,
 586                                                 expectMapEntryNode(INNER_LIST_QNAME, NAME_QNAME, "inner-name3",
 587                                                         expectLeafNode(NAME_QNAME, "inner-name3"),
 588                                                         expectLeafNode(VALUE_QNAME, "inner-value3")),
 589                                                         expectMapEntryNode(INNER_LIST_QNAME, NAME_QNAME, "inner-name2",
 590                                                                 expectLeafNode(NAME_QNAME, "inner-name2"),
 591                                                                 expectLeafNode(VALUE_QNAME, "inner-value2")),
 592                                                                 expectMapEntryNode(INNER_LIST_QNAME, NAME_QNAME, "inner-name1",
 593                                                                         expectLeafNode(NAME_QNAME, "inner-name1"),
 594                                                                         expectLeafNode(VALUE_QNAME, "inner-value1")))),
 595                                                                         expectMapEntryNode(
 596                                                                                 OUTER_LIST_QNAME,
 597                                                                                 ID_QNAME,
 598                                                                                 20,
 599                                                                                 expectLeafNode(ID_QNAME, 20),
 600                                                                                 expectChoiceNode(OUTER_CHOICE_QNAME, expectLeafNode(TWO_QNAME, "two"),
 601                                                                                         expectLeafNode(THREE_QNAME, "three")))),
 602                                                                                         expectUnkeyedListNode(
 603                                                                                                 UNKEYED_LIST_QNAME,
 604                                                                                                 expectUnkeyedListEntryNode(UNKEYED_LIST_QNAME,
 605                                                                                                         expectLeafNode(NAME_QNAME, "unkeyed-name1")),
 606                                                                                                         expectUnkeyedListEntryNode(UNKEYED_LIST_QNAME,
 607                                                                                                                 expectLeafNode(NAME_QNAME, "unkeyed-name2")))));
 608     }
 609
 610     @Test
 611     public void testToNormalizedCompositeNodeWithAnyXml() {
 612         SchemaContext testCtx = createTestContext();
 613         DataNormalizer normalizer = new DataNormalizer(testCtx);
 614
 615         CompositeNodeBuilder<ImmutableCompositeNode> testBuilder = ImmutableCompositeNode.builder();
 616         testBuilder.setQName(TEST_QNAME);
 617
 618         CompositeNodeBuilder<ImmutableCompositeNode> anyXmlBuilder = ImmutableCompositeNode.builder();
 619         anyXmlBuilder.setQName(ANY_XML_DATA_QNAME);
 620         anyXmlBuilder.addLeaf(ANY_XML_LEAF_QNAME, "leaf-value");
 621
 622         CompositeNodeBuilder<ImmutableCompositeNode> innerBuilder = ImmutableCompositeNode.builder();
 623         innerBuilder.setQName(ANY_XML_INNER_QNAME);
 624         innerBuilder.addLeaf(ANY_XML_INNER_LEAF_QNAME, "inner-leaf-value");
 625
 626         anyXmlBuilder.add(innerBuilder.toInstance());
 627         CompositeNode anyXmlLegacy = anyXmlBuilder.toInstance();
 628         testBuilder.add(anyXmlLegacy);
 629
 630         Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalizedNodeEntry = normalizer
 631                 .toNormalized(new AbstractMap.SimpleEntry<YangInstanceIdentifier, CompositeNode>(YangInstanceIdentifier.create(
 632                         ImmutableList.<PathArgument> of(new NodeIdentifier(TEST_QNAME))), testBuilder.toInstance()));
 633
 634         verifyNormalizedInstanceIdentifier(normalizedNodeEntry.getKey(), TEST_QNAME);
 635
 636         verifyNormalizedNode(normalizedNodeEntry.getValue(),
 637                 expectContainerNode(TEST_QNAME, expectAnyXmlNode(ANY_XML_DATA_QNAME, anyXmlLegacy)));
 638     }
 639
 640     @Test
 641     public void testToNormalizedCompositeNodeWithAugmentation() {
 642         SchemaContext testCtx = createTestContext();
 643         DataNormalizer normalizer = new DataNormalizer(testCtx);
 644
 645         CompositeNodeBuilder<ImmutableCompositeNode> testBuilder = ImmutableCompositeNode.builder();
 646         testBuilder.setQName(TEST_QNAME);
 647
 648         CompositeNodeBuilder<ImmutableCompositeNode> outerContBuilder = ImmutableCompositeNode.builder();
 649         outerContBuilder.setQName(OUTER_CONTAINER_QNAME);
 650         outerContBuilder.addLeaf(AUGMENTED_LEAF_QNAME, "augmented-value");
 651
 652         testBuilder.add(outerContBuilder.toInstance());
 653
 654         Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalizedNodeEntry = normalizer
 655                 .toNormalized(new AbstractMap.SimpleEntry<YangInstanceIdentifier, CompositeNode>(YangInstanceIdentifier.create(
 656                         ImmutableList.<PathArgument> of(new NodeIdentifier(TEST_QNAME))), testBuilder.toInstance()));
 657
 658         verifyNormalizedInstanceIdentifier(normalizedNodeEntry.getKey(), TEST_QNAME);
 659
 660         NormalizedNodeData expAugmentation = expectAugmentation(AUGMENTED_LEAF_QNAME,
 661                 expectLeafNode(AUGMENTED_LEAF_QNAME, "augmented-value"));
 662
 663         verifyNormalizedNode(normalizedNodeEntry.getValue(),
 664                 expectContainerNode(TEST_QNAME, expectContainerNode(OUTER_CONTAINER_QNAME, expAugmentation)));
 665
 666         normalizedNodeEntry = normalizer.toNormalized(new AbstractMap.SimpleEntry<YangInstanceIdentifier, CompositeNode>(
 667                 YangInstanceIdentifier.create(Lists.newArrayList(new NodeIdentifier(TEST_QNAME), new NodeIdentifier(
 668                         OUTER_CONTAINER_QNAME))), outerContBuilder.toInstance()));
 669
 670         verifyNormalizedInstanceIdentifier(normalizedNodeEntry.getKey(), TEST_QNAME, OUTER_CONTAINER_QNAME,
 671                 Sets.newHashSet(AUGMENTED_LEAF_QNAME));
 672
 673         verifyNormalizedNode(normalizedNodeEntry.getValue(), expAugmentation);
 674     }
 675
 676     @Test
 677     public void testToNormalizedCompositeNodeWithLeafLists() {
 678         SchemaContext testCtx = createTestContext();
 679         DataNormalizer normalizer = new DataNormalizer(testCtx);
 680
 681         CompositeNodeBuilder<ImmutableCompositeNode> testBuilder = ImmutableCompositeNode.builder();
 682         testBuilder.setQName(TEST_QNAME);
 683
 684         for (int i = 1; i <= 3; i++) {
 685             testBuilder.addLeaf(UNORDERED_LEAF_LIST_QNAME, "unordered-value" + i);
 686         }
 687
 688         for (int i = 3; i > 0; i--) {
 689             testBuilder.addLeaf(ORDERED_LEAF_LIST_QNAME, "ordered-value" + i);
 690         }
 691
 692         Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalizedNodeEntry = normalizer
 693                 .toNormalized(new AbstractMap.SimpleEntry<YangInstanceIdentifier, CompositeNode>(YangInstanceIdentifier.create(
 694                         ImmutableList.<PathArgument> of(new NodeIdentifier(TEST_QNAME))), testBuilder.toInstance()));
 695
 696         verifyNormalizedInstanceIdentifier(normalizedNodeEntry.getKey(), TEST_QNAME);
 697
 698         verifyNormalizedNode(
 699                 normalizedNodeEntry.getValue(),
 700                 expectContainerNode(
 701                         TEST_QNAME,
 702                         expectLeafSetNode(UNORDERED_LEAF_LIST_QNAME,
 703                                 expectLeafSetEntryNode(UNORDERED_LEAF_LIST_QNAME, "unordered-value1"),
 704                                 expectLeafSetEntryNode(UNORDERED_LEAF_LIST_QNAME, "unordered-value2"),
 705                                 expectLeafSetEntryNode(UNORDERED_LEAF_LIST_QNAME, "unordered-value3")),
 706                                 expectOrderedLeafSetNode(ORDERED_LEAF_LIST_QNAME,
 707                                         expectLeafSetEntryNode(ORDERED_LEAF_LIST_QNAME, "ordered-value3"),
 708                                         expectLeafSetEntryNode(ORDERED_LEAF_LIST_QNAME, "ordered-value2"),
 709                                         expectLeafSetEntryNode(ORDERED_LEAF_LIST_QNAME, "ordered-value1"))));
 710     }
 711
 712     @SuppressWarnings("unchecked")
 713     private void verifyNormalizedNode(final NormalizedNode<?, ?> actual, final NormalizedNodeData expNodeData) {
 714
 715         Class<?> expNodeClass = expNodeData.nodeClass;
 716         PathArgument expNodeID = expNodeData.nodeID;
 717
 718         assertNotNull("Actual NormalizedNode is null", actual);
 719         assertTrue("NormalizedNode instance " + actual.getClass() + " is not derived from " + expNodeClass,
 720                 expNodeClass.isAssignableFrom(actual.getClass()));
 721         assertEquals("NormalizedNode identifier", expNodeID, actual.getIdentifier());
 722
 723         if (expNodeData.nodeData instanceof List) {
 724             Map<PathArgument, Integer> orderingMap = null;
 725             if (expNodeClass.equals(OrderedMapNode.class) || expNodeClass.equals(OrderedLeafSetNode.class)) {
 726                 orderingMap = Maps.newHashMap();
 727             }
 728
 729             int i = 1;
 730             Map<PathArgument, NormalizedNodeData> expChildDataMap = Maps.newHashMap();
 731             List<NormalizedNodeData> expChildDataList = (List<NormalizedNodeData>) expNodeData.nodeData;
 732             for (NormalizedNodeData data : expChildDataList) {
 733                 expChildDataMap.put(data.nodeID, data);
 734
 735                 if (orderingMap != null) {
 736                     orderingMap.put(data.nodeID, i++);
 737                 }
 738             }
 739
 740             assertNotNull("Actual value is null for node " + actual.getIdentifier(), actual.getValue());
 741             assertTrue("Expected value instance Iterable for node " + actual.getIdentifier(),
 742                     Iterable.class.isAssignableFrom(actual.getValue().getClass()));
 743
 744             i = 1;
 745             for (NormalizedNode<?, ?> actualChild : (Iterable<NormalizedNode<?, ?>>) actual.getValue()) {
 746                 NormalizedNodeData expChildData = expNodeClass.equals(UnkeyedListNode.class) ? expChildDataList
 747                         .remove(0) : expChildDataMap.remove(actualChild.getIdentifier());
 748
 749                         assertNotNull(
 750                                 "Unexpected child node " + actualChild.getClass() + " with identifier "
 751                                         + actualChild.getIdentifier() + " for parent node " + actual.getClass()
 752                                         + " with identifier " + actual.getIdentifier(), expChildData);
 753
 754                         if (orderingMap != null) {
 755                             assertEquals("Order index for child node " + actualChild.getIdentifier(),
 756                                     orderingMap.get(actualChild.getIdentifier()), Integer.valueOf(i));
 757                         }
 758
 759                         verifyNormalizedNode(actualChild, expChildData);
 760                         i++;
 761             }
 762
 763             if (expNodeClass.equals(UnkeyedListNode.class)) {
 764                 if (expChildDataList.size() > 0) {
 765                     fail("Missing " + expChildDataList.size() + " child nodes for parent " + actual.getIdentifier());
 766                 }
 767             } else {
 768                 if (!expChildDataMap.isEmpty()) {
 769                     fail("Missing child nodes for parent " + actual.getIdentifier() + ": " + expChildDataMap.keySet());
 770                 }
 771             }
 772         } else {
 773             assertEquals("Leaf value for node " + actual.getIdentifier(), expNodeData.nodeData, actual.getValue());
 774         }
 775     }
 776
 777     private NormalizedNodeData expectOrderedLeafSetNode(final QName nodeName, final NormalizedNodeData... childData) {
 778         return new NormalizedNodeData(new NodeIdentifier(nodeName), OrderedLeafSetNode.class,
 779                 Lists.newArrayList(childData));
 780     }
 781
 782     private NormalizedNodeData expectLeafSetNode(final QName nodeName, final NormalizedNodeData... childData) {
 783         return new NormalizedNodeData(new NodeIdentifier(nodeName), LeafSetNode.class, Lists.newArrayList(childData));
 784     }
 785
 786     private NormalizedNodeData expectLeafSetEntryNode(final QName nodeName, final Object value) {
 787         return new NormalizedNodeData(new NodeWithValue(nodeName, value), LeafSetEntryNode.class, value);
 788     }
 789
 790     private NormalizedNodeData expectUnkeyedListNode(final QName nodeName, final NormalizedNodeData... childData) {
 791         return new NormalizedNodeData(new NodeIdentifier(nodeName), UnkeyedListNode.class,
 792                 Lists.newArrayList(childData));
 793     }
 794
 795     private NormalizedNodeData expectUnkeyedListEntryNode(final QName nodeName, final NormalizedNodeData... childData) {
 796         return new NormalizedNodeData(new NodeIdentifier(nodeName), UnkeyedListEntryNode.class,
 797                 Lists.newArrayList(childData));
 798     }
 799
 800     private NormalizedNodeData expectAugmentation(final QName augmentedNodeName, final NormalizedNodeData... childData) {
 801         return new NormalizedNodeData(new AugmentationIdentifier(Sets.newHashSet(augmentedNodeName)),
 802                 AugmentationNode.class, Lists.newArrayList(childData));
 803     }
 804
 805     private NormalizedNodeData expectAnyXmlNode(final QName nodeName, final Object value) {
 806         return new NormalizedNodeData(new NodeIdentifier(nodeName), AnyXmlNode.class, value);
 807     }
 808
 809     private NormalizedNodeData expectContainerNode(final QName nodeName, final NormalizedNodeData... childData) {
 810         return new NormalizedNodeData(new NodeIdentifier(nodeName), ContainerNode.class, Lists.newArrayList(childData));
 811     }
 812
 813     private NormalizedNodeData expectChoiceNode(final QName nodeName, final NormalizedNodeData... childData) {
 814         return new NormalizedNodeData(new NodeIdentifier(nodeName), ChoiceNode.class, Lists.newArrayList(childData));
 815     }
 816
 817     private NormalizedNodeData expectLeafNode(final QName nodeName, final Object value) {
 818         return new NormalizedNodeData(new NodeIdentifier(nodeName), LeafNode.class, value);
 819
 820     }
 821
 822     private NormalizedNodeData expectMapEntryNode(final QName nodeName, final QName key, final Object value,
 823             final NormalizedNodeData... childData) {
 824         return new NormalizedNodeData(new NodeIdentifierWithPredicates(nodeName, key, value), MapEntryNode.class,
 825                 Lists.newArrayList(childData));
 826     }
 827
 828     private NormalizedNodeData expectMapNode(final QName key, final NormalizedNodeData... childData) {
 829         return new NormalizedNodeData(new NodeIdentifier(key), MapNode.class, Lists.newArrayList(childData));
 830     }
 831
 832     private NormalizedNodeData expectOrderedMapNode(final QName key, final NormalizedNodeData... childData) {
 833         return new NormalizedNodeData(new NodeIdentifier(key), OrderedMapNode.class, Lists.newArrayList(childData));
 834     }
 835 }