opendaylight/md-sal/sal-clustering-commons/src/test/java/org/opendaylight/controller/cluster/datastore/util/TestModel.java

   1 /*
   2  *
   3  *  Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   4  *
   5  *  This program and the accompanying materials are made available under the
   6  *  terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  *  and is available at http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  */
  10
  11 package org.opendaylight.controller.cluster.datastore.util;
  12
  13 import static org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes.mapEntry;
  14 import static org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes.mapEntryBuilder;
  15 import static org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes.mapNodeBuilder;
  16 import com.google.common.collect.ImmutableSet;
  17 import java.io.InputStream;
  18 import java.util.ArrayList;
  19 import java.util.HashMap;
  20 import java.util.HashSet;
  21 import java.util.List;
  22 import java.util.Map;
  23 import java.util.Set;
  24 import org.opendaylight.yangtools.yang.common.QName;
  25 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  26 import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
  27 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  28 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
  29 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
  30 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode;
  31 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  32 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  33 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  34 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
  35 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  36 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  37 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
  38 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
  39 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
  40 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeAttrBuilder;
  41 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  42 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafSetEntryNodeBuilder;
  43 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafSetNodeBuilder;
  44 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapEntryNodeBuilder;
  45 import org.opendaylight.yangtools.yang.model.api.Module;
  46 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  47 import org.opendaylight.yangtools.yang.parser.impl.YangParserImpl;
  48
  49 public class TestModel {
  50
  51   public static final QName TEST_QNAME = QName.create(
  52       "urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:test",
  53       "2014-03-13", "test");
  54
  55   public static final QName AUG_NAME_QNAME = QName.create(
  56       "urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:aug",
  57       "2014-03-13", "name");
  58
  59   public static final QName AUG_CONT_QNAME = QName.create(
  60       "urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:aug",
  61       "2014-03-13", "cont");
  62
  63
  64   public static final QName DESC_QNAME = QName.create(TEST_QNAME, "desc");
  65   public static final QName POINTER_QNAME = QName.create(TEST_QNAME, "pointer");
  66   public static final QName SOME_BINARY_DATE_QNAME = QName.create(TEST_QNAME, "some-binary-data");
  67   public static final QName BINARY_LEAF_LIST_QNAME = QName.create(TEST_QNAME, "binary_leaf_list");
  68   public static final QName SOME_REF_QNAME = QName.create(TEST_QNAME,
  69       "some-ref");
  70   public static final QName MYIDENTITY_QNAME = QName.create(TEST_QNAME,
  71       "myidentity");
  72   public static final QName SWITCH_FEATURES_QNAME = QName.create(TEST_QNAME,
  73       "switch-features");
  74
  75   public static final QName AUGMENTED_LIST_QNAME = QName.create(TEST_QNAME,
  76       "augmented-list");
  77
  78   public static final QName OUTER_LIST_QNAME = QName.create(TEST_QNAME,
  79       "outer-list");
  80   public static final QName INNER_LIST_QNAME = QName.create(TEST_QNAME,
  81       "inner-list");
  82   public static final QName OUTER_CHOICE_QNAME = QName.create(TEST_QNAME,
  83       "outer-choice");
  84   public static final QName ID_QNAME = QName.create(TEST_QNAME, "id");
  85   public static final QName NAME_QNAME = QName.create(TEST_QNAME, "name");
  86   public static final QName VALUE_QNAME = QName.create(TEST_QNAME, "value");
  87   private static final String DATASTORE_TEST_YANG = "/odl-datastore-test.yang";
  88   private static final String DATASTORE_AUG_YANG =
  89       "/odl-datastore-augmentation.yang";
  90   private static final String DATASTORE_TEST_NOTIFICATION_YANG =
  91       "/odl-datastore-test-notification.yang";
  92
  93
  94   public static final YangInstanceIdentifier TEST_PATH = YangInstanceIdentifier
  95       .of(TEST_QNAME);
  96   public static final YangInstanceIdentifier DESC_PATH = YangInstanceIdentifier
  97       .builder(TEST_PATH).node(DESC_QNAME).build();
  98   public static final YangInstanceIdentifier OUTER_LIST_PATH =
  99       YangInstanceIdentifier.builder(TEST_PATH).node(OUTER_LIST_QNAME).build();
 100   public static final QName TWO_QNAME = QName.create(TEST_QNAME, "two");
 101   public static final QName THREE_QNAME = QName.create(TEST_QNAME, "three");
 102
 103   private static final Integer ONE_ID = 1;
 104   private static final Integer TWO_ID = 2;
 105   private static final String TWO_ONE_NAME = "one";
 106   private static final String TWO_TWO_NAME = "two";
 107   private static final String DESC = "Hello there";
 108   private static final Long LONG_ID = 1L;
 109   private static final Boolean ENABLED = false;
 110   private static final Short SHORT_ID = 1;
 111   private static final Byte BYTE_ID = 1;
 112   // Family specific constants
 113   public static final QName FAMILY_QNAME =
 114       QName
 115           .create(
 116               "urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:notification-test",
 117               "2014-04-17", "family");
 118   public static final QName CHILDREN_QNAME = QName.create(FAMILY_QNAME,
 119       "children");
 120   public static final QName GRAND_CHILDREN_QNAME = QName.create(FAMILY_QNAME,
 121       "grand-children");
 122   public static final QName CHILD_NUMBER_QNAME = QName.create(FAMILY_QNAME,
 123       "child-number");
 124   public static final QName CHILD_NAME_QNAME = QName.create(FAMILY_QNAME,
 125       "child-name");
 126   public static final QName GRAND_CHILD_NUMBER_QNAME = QName.create(
 127       FAMILY_QNAME, "grand-child-number");
 128   public static final QName GRAND_CHILD_NAME_QNAME = QName.create(FAMILY_QNAME,
 129       "grand-child-name");
 130
 131   public static final YangInstanceIdentifier FAMILY_PATH =
 132       YangInstanceIdentifier.of(FAMILY_QNAME);
 133   public static final YangInstanceIdentifier FAMILY_DESC_PATH =
 134       YangInstanceIdentifier.builder(FAMILY_PATH).node(DESC_QNAME).build();
 135   public static final YangInstanceIdentifier CHILDREN_PATH =
 136       YangInstanceIdentifier.builder(FAMILY_PATH).node(CHILDREN_QNAME).build();
 137
 138   private static final Integer FIRST_CHILD_ID = 1;
 139   private static final Integer SECOND_CHILD_ID = 2;
 140
 141   private static final String FIRST_CHILD_NAME = "first child";
 142   private static final String SECOND_CHILD_NAME = "second child";
 143
 144   private static final Integer FIRST_GRAND_CHILD_ID = 1;
 145   private static final Integer SECOND_GRAND_CHILD_ID = 2;
 146
 147   private static final String FIRST_GRAND_CHILD_NAME = "first grand child";
 148   private static final String SECOND_GRAND_CHILD_NAME = "second grand child";
 149
 150
 151   // first child
 152   private static final YangInstanceIdentifier CHILDREN_1_PATH =
 153       YangInstanceIdentifier.builder(CHILDREN_PATH)
 154           .nodeWithKey(CHILDREN_QNAME, CHILD_NUMBER_QNAME, FIRST_CHILD_ID) //
 155           .build();
 156   private static final YangInstanceIdentifier CHILDREN_1_NAME_PATH =
 157       YangInstanceIdentifier.builder(CHILDREN_PATH)
 158           .nodeWithKey(CHILDREN_QNAME, CHILD_NAME_QNAME, FIRST_CHILD_NAME) //
 159           .build();
 160
 161   private static final YangInstanceIdentifier CHILDREN_2_PATH =
 162       YangInstanceIdentifier.builder(CHILDREN_PATH)
 163           .nodeWithKey(CHILDREN_QNAME, CHILD_NUMBER_QNAME, SECOND_CHILD_ID) //
 164           .build();
 165   private static final YangInstanceIdentifier CHILDREN_2_NAME_PATH =
 166       YangInstanceIdentifier.builder(CHILDREN_PATH)
 167           .nodeWithKey(CHILDREN_QNAME, CHILD_NAME_QNAME, SECOND_CHILD_NAME) //
 168           .build();
 169
 170
 171   private static final YangInstanceIdentifier GRAND_CHILD_1_PATH =
 172       YangInstanceIdentifier
 173           .builder(CHILDREN_1_PATH)
 174           .node(GRAND_CHILDREN_QNAME)
 175           //
 176           .nodeWithKey(GRAND_CHILDREN_QNAME, GRAND_CHILD_NUMBER_QNAME,
 177               FIRST_GRAND_CHILD_ID) //
 178           .build();
 179
 180   private static final YangInstanceIdentifier GRAND_CHILD_1_NAME_PATH =
 181       YangInstanceIdentifier
 182           .builder(CHILDREN_1_PATH)
 183           .node(GRAND_CHILDREN_QNAME)
 184           //
 185           .nodeWithKey(GRAND_CHILDREN_QNAME, GRAND_CHILD_NAME_QNAME,
 186               FIRST_GRAND_CHILD_NAME) //
 187           .build();
 188
 189   private static final YangInstanceIdentifier GRAND_CHILD_2_PATH =
 190       YangInstanceIdentifier
 191           .builder(CHILDREN_2_PATH)
 192           .node(GRAND_CHILDREN_QNAME)
 193           //
 194           .nodeWithKey(GRAND_CHILDREN_QNAME, GRAND_CHILD_NUMBER_QNAME,
 195               SECOND_GRAND_CHILD_ID) //
 196           .build();
 197
 198   private static final YangInstanceIdentifier GRAND_CHILD_2_NAME_PATH =
 199       YangInstanceIdentifier
 200           .builder(CHILDREN_2_PATH)
 201           .node(GRAND_CHILDREN_QNAME)
 202           //
 203           .nodeWithKey(GRAND_CHILDREN_QNAME, GRAND_CHILD_NAME_QNAME,
 204               SECOND_GRAND_CHILD_NAME) //
 205           .build();
 206
 207   private static final YangInstanceIdentifier DESC_PATH_ID =
 208       YangInstanceIdentifier.builder(DESC_PATH).build();
 209   private static final YangInstanceIdentifier OUTER_LIST_1_PATH =
 210       YangInstanceIdentifier.builder(OUTER_LIST_PATH)
 211           .nodeWithKey(OUTER_LIST_QNAME, ID_QNAME, ONE_ID) //
 212           .build();
 213
 214   private static final YangInstanceIdentifier OUTER_LIST_2_PATH =
 215       YangInstanceIdentifier.builder(OUTER_LIST_PATH)
 216           .nodeWithKey(OUTER_LIST_QNAME, ID_QNAME, TWO_ID) //
 217           .build();
 218
 219   private static final YangInstanceIdentifier TWO_TWO_PATH =
 220       YangInstanceIdentifier.builder(OUTER_LIST_2_PATH).node(INNER_LIST_QNAME) //
 221           .nodeWithKey(INNER_LIST_QNAME, NAME_QNAME, TWO_TWO_NAME) //
 222           .build();
 223
 224   private static final YangInstanceIdentifier TWO_TWO_VALUE_PATH =
 225       YangInstanceIdentifier.builder(TWO_TWO_PATH).node(VALUE_QNAME) //
 226           .build();
 227
 228   private static final MapEntryNode BAR_NODE = mapEntryBuilder(
 229       OUTER_LIST_QNAME, ID_QNAME, TWO_ID) //
 230       .withChild(mapNodeBuilder(INNER_LIST_QNAME) //
 231           .withChild(mapEntry(INNER_LIST_QNAME, NAME_QNAME, TWO_ONE_NAME)) //
 232           .withChild(mapEntry(INNER_LIST_QNAME, NAME_QNAME, TWO_TWO_NAME)) //
 233           .build()) //
 234       .build();
 235
 236   public static final InputStream getDatastoreTestInputStream() {
 237     return getInputStream(DATASTORE_TEST_YANG);
 238   }
 239
 240   public static final InputStream getDatastoreAugInputStream() {
 241     return getInputStream(DATASTORE_AUG_YANG);
 242   }
 243
 244   public static final InputStream getDatastoreTestNotificationInputStream() {
 245     return getInputStream(DATASTORE_TEST_NOTIFICATION_YANG);
 246   }
 247
 248   private static InputStream getInputStream(final String resourceName) {
 249     return TestModel.class.getResourceAsStream(resourceName);
 250   }
 251
 252   public static SchemaContext createTestContext() {
 253     List<InputStream> inputStreams = new ArrayList<>();
 254     inputStreams.add(getDatastoreTestInputStream());
 255     inputStreams.add(getDatastoreAugInputStream());
 256     inputStreams.add(getDatastoreTestNotificationInputStream());
 257
 258     YangParserImpl parser = new YangParserImpl();
 259     Set<Module> modules = parser.parseYangModelsFromStreams(inputStreams);
 260     return parser.resolveSchemaContext(modules);
 261   }
 262
 263   /**
 264    * Returns a test document
 265    * <p/>
 266    *
 267    * <pre>
 268    * test
 269    *     outer-list
 270    *          id 1
 271    *     outer-list
 272    *          id 2
 273    *          inner-list
 274    *                  name "one"
 275    *          inner-list
 276    *                  name "two"
 277    *
 278    * </pre>
 279    *
 280    * @return
 281    */
 282   public static NormalizedNode<?, ?> createDocumentOne(
 283       SchemaContext schemaContext) {
 284     return ImmutableContainerNodeBuilder
 285         .create()
 286         .withNodeIdentifier(
 287             new YangInstanceIdentifier.NodeIdentifier(schemaContext.getQName()))
 288         .withChild(createTestContainer()).build();
 289
 290   }
 291
 292   public static DataContainerNodeAttrBuilder<YangInstanceIdentifier.NodeIdentifier, ContainerNode> createBaseTestContainerBuilder() {
 293       // Create a list of shoes
 294       // This is to test leaf list entry
 295       final LeafSetEntryNode<Object> nike =
 296               ImmutableLeafSetEntryNodeBuilder
 297                       .create()
 298                       .withNodeIdentifier(
 299                               new YangInstanceIdentifier.NodeWithValue(QName.create(
 300                                       TEST_QNAME, "shoe"), "nike")).withValue("nike").build();
 301
 302       final LeafSetEntryNode<Object> puma =
 303               ImmutableLeafSetEntryNodeBuilder
 304                       .create()
 305                       .withNodeIdentifier(
 306                               new YangInstanceIdentifier.NodeWithValue(QName.create(
 307                                       TEST_QNAME, "shoe"), "puma")).withValue("puma").build();
 308
 309       final LeafSetNode<Object> shoes =
 310               ImmutableLeafSetNodeBuilder
 311                       .create()
 312                       .withNodeIdentifier(
 313                               new YangInstanceIdentifier.NodeIdentifier(QName.create(
 314                                       TEST_QNAME, "shoe"))).withChild(nike).withChild(puma)
 315                       .build();
 316
 317
 318       // Test a leaf-list where each entry contains an identity
 319       final LeafSetEntryNode<Object> cap1 =
 320               ImmutableLeafSetEntryNodeBuilder
 321                       .create()
 322                       .withNodeIdentifier(
 323                               new YangInstanceIdentifier.NodeWithValue(QName.create(
 324                                       TEST_QNAME, "capability"), DESC_QNAME))
 325                       .withValue(DESC_QNAME).build();
 326
 327       final LeafSetNode<Object> capabilities =
 328               ImmutableLeafSetNodeBuilder
 329                       .create()
 330                       .withNodeIdentifier(
 331                               new YangInstanceIdentifier.NodeIdentifier(QName.create(
 332                                       TEST_QNAME, "capability"))).withChild(cap1).build();
 333
 334       ContainerNode switchFeatures =
 335               ImmutableContainerNodeBuilder
 336                       .create()
 337                       .withNodeIdentifier(
 338                               new YangInstanceIdentifier.NodeIdentifier(SWITCH_FEATURES_QNAME))
 339                       .withChild(capabilities).build();
 340
 341       // Create a leaf list with numbers
 342       final LeafSetEntryNode<Object> five =
 343               ImmutableLeafSetEntryNodeBuilder
 344                       .create()
 345                       .withNodeIdentifier(
 346                               (new YangInstanceIdentifier.NodeWithValue(QName.create(
 347                                       TEST_QNAME, "number"), 5))).withValue(5).build();
 348       final LeafSetEntryNode<Object> fifteen =
 349               ImmutableLeafSetEntryNodeBuilder
 350                       .create()
 351                       .withNodeIdentifier(
 352                               (new YangInstanceIdentifier.NodeWithValue(QName.create(
 353                                       TEST_QNAME, "number"), 15))).withValue(15).build();
 354       final LeafSetNode<Object> numbers =
 355               ImmutableLeafSetNodeBuilder
 356                       .create()
 357                       .withNodeIdentifier(
 358                               new YangInstanceIdentifier.NodeIdentifier(QName.create(
 359                                       TEST_QNAME, "number"))).withChild(five).withChild(fifteen)
 360                       .build();
 361
 362
 363       // Create augmentations
 364       MapEntryNode mapEntry = createAugmentedListEntry(1, "First Test");
 365
 366       // Create a bits leaf
 367       NormalizedNodeAttrBuilder<YangInstanceIdentifier.NodeIdentifier, Object, LeafNode<Object>>
 368               myBits = Builders.leafBuilder().withNodeIdentifier(
 369               new YangInstanceIdentifier.NodeIdentifier(
 370                       QName.create(TEST_QNAME, "my-bits"))).withValue(
 371               ImmutableSet.of("foo", "bar"));
 372
 373       // Create unkey list entry
 374       UnkeyedListEntryNode binaryDataKey =
 375           Builders.unkeyedListEntryBuilder().withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TEST_QNAME)).
 376               withChild(ImmutableNodes.leafNode(SOME_BINARY_DATE_QNAME, DESC)).build();
 377
 378       Map<QName, Object> keyValues = new HashMap<>();
 379       keyValues.put(CHILDREN_QNAME, FIRST_CHILD_NAME);
 380
 381
 382       // Create the document
 383       return ImmutableContainerNodeBuilder
 384               .create()
 385               .withNodeIdentifier(
 386                   new YangInstanceIdentifier.NodeIdentifier(TEST_QNAME))
 387               .withChild(myBits.build())
 388               .withChild(ImmutableNodes.leafNode(DESC_QNAME, DESC))
 389               .withChild(ImmutableNodes.leafNode(POINTER_QNAME, ENABLED))
 390               .withChild(ImmutableNodes.leafNode(POINTER_QNAME, SHORT_ID))
 391               .withChild(ImmutableNodes.leafNode(POINTER_QNAME, BYTE_ID))
 392               .withChild(
 393                   ImmutableNodes.leafNode(SOME_REF_QNAME, GRAND_CHILD_1_PATH))
 394               .withChild(ImmutableNodes.leafNode(MYIDENTITY_QNAME, DESC_QNAME))
 395                .withChild(Builders.unkeyedListBuilder().withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(OUTER_LIST_QNAME))
 396                    .withChild(binaryDataKey).build())
 397                .withChild(Builders.orderedMapBuilder()
 398                    .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TEST_QNAME)).withChild(mapEntry).build())
 399                .withChild(Builders.choiceBuilder().withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TEST_QNAME))
 400                    .withChild(ImmutableNodes.leafNode(DESC_QNAME, LONG_ID)).build())
 401                       // .withChild(augmentationNode)
 402               .withChild(shoes)
 403               .withChild(numbers)
 404               .withChild(switchFeatures)
 405               .withChild(
 406                   mapNodeBuilder(AUGMENTED_LIST_QNAME).withChild(mapEntry).build())
 407               .withChild(
 408                   mapNodeBuilder(OUTER_LIST_QNAME)
 409                       .withChild(mapEntry(OUTER_LIST_QNAME, ID_QNAME, ONE_ID))
 410                       .withChild(BAR_NODE).build()
 411               );
 412   }
 413
 414   public static ContainerNode createTestContainer() {
 415       return createBaseTestContainerBuilder().build();
 416   }
 417
 418   public static MapEntryNode createAugmentedListEntry(int id, String name) {
 419
 420     Set<QName> childAugmentations = new HashSet<>();
 421     childAugmentations.add(AUG_CONT_QNAME);
 422
 423     ContainerNode augCont =
 424         ImmutableContainerNodeBuilder
 425             .create()
 426             .withNodeIdentifier(
 427                 new YangInstanceIdentifier.NodeIdentifier(AUG_CONT_QNAME))
 428             .withChild(ImmutableNodes.leafNode(AUG_NAME_QNAME, name)).build();
 429
 430
 431     final YangInstanceIdentifier.AugmentationIdentifier augmentationIdentifier =
 432         new YangInstanceIdentifier.AugmentationIdentifier(childAugmentations);
 433
 434     final AugmentationNode augmentationNode =
 435         Builders.augmentationBuilder()
 436             .withNodeIdentifier(augmentationIdentifier).withChild(augCont)
 437             .build();
 438
 439     return ImmutableMapEntryNodeBuilder
 440         .create()
 441         .withNodeIdentifier(
 442             new YangInstanceIdentifier.NodeIdentifierWithPredicates(
 443                 AUGMENTED_LIST_QNAME, ID_QNAME, id))
 444         .withChild(ImmutableNodes.leafNode(ID_QNAME, id))
 445         .withChild(augmentationNode).build();
 446   }
 447
 448
 449   public static ContainerNode createFamily() {
 450     final DataContainerNodeAttrBuilder<YangInstanceIdentifier.NodeIdentifier, ContainerNode> familyContainerBuilder =
 451         ImmutableContainerNodeBuilder.create().withNodeIdentifier(
 452             new YangInstanceIdentifier.NodeIdentifier(FAMILY_QNAME));
 453
 454     final CollectionNodeBuilder<MapEntryNode, MapNode> childrenBuilder =
 455         mapNodeBuilder(CHILDREN_QNAME);
 456
 457     final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode> firstChildBuilder =
 458         mapEntryBuilder(CHILDREN_QNAME, CHILD_NUMBER_QNAME, FIRST_CHILD_ID);
 459     final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode> secondChildBuilder =
 460         mapEntryBuilder(CHILDREN_QNAME, CHILD_NUMBER_QNAME, SECOND_CHILD_ID);
 461
 462     final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode> firstGrandChildBuilder =
 463         mapEntryBuilder(GRAND_CHILDREN_QNAME, GRAND_CHILD_NUMBER_QNAME,
 464             FIRST_GRAND_CHILD_ID);
 465     final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode> secondGrandChildBuilder =
 466         mapEntryBuilder(GRAND_CHILDREN_QNAME, GRAND_CHILD_NUMBER_QNAME,
 467             SECOND_GRAND_CHILD_ID);
 468
 469     firstGrandChildBuilder
 470         .withChild(
 471             ImmutableNodes.leafNode(GRAND_CHILD_NUMBER_QNAME,
 472                 FIRST_GRAND_CHILD_ID)).withChild(
 473             ImmutableNodes.leafNode(GRAND_CHILD_NAME_QNAME,
 474                 FIRST_GRAND_CHILD_NAME));
 475
 476     secondGrandChildBuilder.withChild(
 477         ImmutableNodes
 478             .leafNode(GRAND_CHILD_NUMBER_QNAME, SECOND_GRAND_CHILD_ID))
 479         .withChild(
 480             ImmutableNodes.leafNode(GRAND_CHILD_NAME_QNAME,
 481                 SECOND_GRAND_CHILD_NAME));
 482
 483     firstChildBuilder
 484         .withChild(ImmutableNodes.leafNode(CHILD_NUMBER_QNAME, FIRST_CHILD_ID))
 485         .withChild(ImmutableNodes.leafNode(CHILD_NAME_QNAME, FIRST_CHILD_NAME))
 486         .withChild(
 487             mapNodeBuilder(GRAND_CHILDREN_QNAME).withChild(
 488                 firstGrandChildBuilder.build()).build());
 489
 490
 491     secondChildBuilder
 492         .withChild(ImmutableNodes.leafNode(CHILD_NUMBER_QNAME, SECOND_CHILD_ID))
 493         .withChild(ImmutableNodes.leafNode(CHILD_NAME_QNAME, SECOND_CHILD_NAME))
 494         .withChild(
 495             mapNodeBuilder(GRAND_CHILDREN_QNAME).withChild(
 496                 firstGrandChildBuilder.build()).build());
 497
 498     childrenBuilder.withChild(firstChildBuilder.build());
 499     childrenBuilder.withChild(secondChildBuilder.build());
 500
 501     return familyContainerBuilder.withChild(childrenBuilder.build()).build();
 502   }
 503
 504 }