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 com.google.common.collect.ImmutableSet;
  14 import org.opendaylight.yangtools.yang.common.QName;
  15 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  16 import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
  17 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  18 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
  19 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
  20 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode;
  21 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  22 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  23 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  24 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
  25 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  26 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  27 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
  28 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
  29 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
  30 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeAttrBuilder;
  31 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  32 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafSetEntryNodeBuilder;
  33 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafSetNodeBuilder;
  34 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapEntryNodeBuilder;
  35 import org.opendaylight.yangtools.yang.model.api.Module;
  36 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  37 import org.opendaylight.yangtools.yang.parser.impl.YangParserImpl;
  38
  39 import java.io.InputStream;
  40 import java.util.ArrayList;
  41 import java.util.HashMap;
  42 import java.util.HashSet;
  43 import java.util.List;
  44 import java.util.Map;
  45 import java.util.Set;
  46
  47 import static org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes.mapEntry;
  48 import static org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes.mapEntryBuilder;
  49 import static org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes.mapNodeBuilder;
  50
  51 public class TestModel {
  52
  53   public static final QName TEST_QNAME = QName.create(
  54       "urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:test",
  55       "2014-03-13", "test");
  56
  57   public static final QName AUG_NAME_QNAME = QName.create(
  58       "urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:aug",
  59       "2014-03-13", "name");
  60
  61   public static final QName AUG_CONT_QNAME = QName.create(
  62       "urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:aug",
  63       "2014-03-13", "cont");
  64
  65
  66   public static final QName DESC_QNAME = QName.create(TEST_QNAME, "desc");
  67   public static final QName POINTER_QNAME = QName.create(TEST_QNAME, "pointer");
  68   public static final QName SOME_BINARY_DATE_QNAME = QName.create(TEST_QNAME, "some-binary-data");
  69   public static final QName SOME_REF_QNAME = QName.create(TEST_QNAME,
  70       "some-ref");
  71   public static final QName MYIDENTITY_QNAME = QName.create(TEST_QNAME,
  72       "myidentity");
  73   public static final QName SWITCH_FEATURES_QNAME = QName.create(TEST_QNAME,
  74       "switch-features");
  75
  76   public static final QName AUGMENTED_LIST_QNAME = QName.create(TEST_QNAME,
  77       "augmented-list");
  78
  79   public static final QName OUTER_LIST_QNAME = QName.create(TEST_QNAME,
  80       "outer-list");
  81   public static final QName INNER_LIST_QNAME = QName.create(TEST_QNAME,
  82       "inner-list");
  83   public static final QName OUTER_CHOICE_QNAME = QName.create(TEST_QNAME,
  84       "outer-choice");
  85   public static final QName ID_QNAME = QName.create(TEST_QNAME, "id");
  86   public static final QName NAME_QNAME = QName.create(TEST_QNAME, "name");
  87   public static final QName VALUE_QNAME = QName.create(TEST_QNAME, "value");
  88   private static final String DATASTORE_TEST_YANG = "/odl-datastore-test.yang";
  89   private static final String DATASTORE_AUG_YANG =
  90       "/odl-datastore-augmentation.yang";
  91   private static final String DATASTORE_TEST_NOTIFICATION_YANG =
  92       "/odl-datastore-test-notification.yang";
  93
  94
  95   public static final YangInstanceIdentifier TEST_PATH = YangInstanceIdentifier
  96       .of(TEST_QNAME);
  97   public static final YangInstanceIdentifier DESC_PATH = YangInstanceIdentifier
  98       .builder(TEST_PATH).node(DESC_QNAME).build();
  99   public static final YangInstanceIdentifier OUTER_LIST_PATH =
 100       YangInstanceIdentifier.builder(TEST_PATH).node(OUTER_LIST_QNAME).build();
 101   public static final QName TWO_QNAME = QName.create(TEST_QNAME, "two");
 102   public static final QName THREE_QNAME = QName.create(TEST_QNAME, "three");
 103
 104   private static final Integer ONE_ID = 1;
 105   private static final Integer TWO_ID = 2;
 106   private static final String TWO_ONE_NAME = "one";
 107   private static final String TWO_TWO_NAME = "two";
 108   private static final String DESC = "Hello there";
 109   private static final Long LONG_ID = 1L;
 110   private static final Boolean ENABLED = false;
 111   private static final Short SHORT_ID = 1;
 112   private static final Byte BYTE_ID = 1;
 113   // Family specific constants
 114   public static final QName FAMILY_QNAME =
 115       QName
 116           .create(
 117               "urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:notification-test",
 118               "2014-04-17", "family");
 119   public static final QName CHILDREN_QNAME = QName.create(FAMILY_QNAME,
 120       "children");
 121   public static final QName GRAND_CHILDREN_QNAME = QName.create(FAMILY_QNAME,
 122       "grand-children");
 123   public static final QName CHILD_NUMBER_QNAME = QName.create(FAMILY_QNAME,
 124       "child-number");
 125   public static final QName CHILD_NAME_QNAME = QName.create(FAMILY_QNAME,
 126       "child-name");
 127   public static final QName GRAND_CHILD_NUMBER_QNAME = QName.create(
 128       FAMILY_QNAME, "grand-child-number");
 129   public static final QName GRAND_CHILD_NAME_QNAME = QName.create(FAMILY_QNAME,
 130       "grand-child-name");
 131
 132   public static final YangInstanceIdentifier FAMILY_PATH =
 133       YangInstanceIdentifier.of(FAMILY_QNAME);
 134   public static final YangInstanceIdentifier FAMILY_DESC_PATH =
 135       YangInstanceIdentifier.builder(FAMILY_PATH).node(DESC_QNAME).build();
 136   public static final YangInstanceIdentifier CHILDREN_PATH =
 137       YangInstanceIdentifier.builder(FAMILY_PATH).node(CHILDREN_QNAME).build();
 138
 139   private static final Integer FIRST_CHILD_ID = 1;
 140   private static final Integer SECOND_CHILD_ID = 2;
 141
 142   private static final String FIRST_CHILD_NAME = "first child";
 143   private static final String SECOND_CHILD_NAME = "second child";
 144
 145   private static final Integer FIRST_GRAND_CHILD_ID = 1;
 146   private static final Integer SECOND_GRAND_CHILD_ID = 2;
 147
 148   private static final String FIRST_GRAND_CHILD_NAME = "first grand child";
 149   private static final String SECOND_GRAND_CHILD_NAME = "second grand child";
 150
 151
 152   // first child
 153   private static final YangInstanceIdentifier CHILDREN_1_PATH =
 154       YangInstanceIdentifier.builder(CHILDREN_PATH)
 155           .nodeWithKey(CHILDREN_QNAME, CHILD_NUMBER_QNAME, FIRST_CHILD_ID) //
 156           .build();
 157   private static final YangInstanceIdentifier CHILDREN_1_NAME_PATH =
 158       YangInstanceIdentifier.builder(CHILDREN_PATH)
 159           .nodeWithKey(CHILDREN_QNAME, CHILD_NAME_QNAME, FIRST_CHILD_NAME) //
 160           .build();
 161
 162   private static final YangInstanceIdentifier CHILDREN_2_PATH =
 163       YangInstanceIdentifier.builder(CHILDREN_PATH)
 164           .nodeWithKey(CHILDREN_QNAME, CHILD_NUMBER_QNAME, SECOND_CHILD_ID) //
 165           .build();
 166   private static final YangInstanceIdentifier CHILDREN_2_NAME_PATH =
 167       YangInstanceIdentifier.builder(CHILDREN_PATH)
 168           .nodeWithKey(CHILDREN_QNAME, CHILD_NAME_QNAME, SECOND_CHILD_NAME) //
 169           .build();
 170
 171
 172   private static final YangInstanceIdentifier GRAND_CHILD_1_PATH =
 173       YangInstanceIdentifier
 174           .builder(CHILDREN_1_PATH)
 175           .node(GRAND_CHILDREN_QNAME)
 176           //
 177           .nodeWithKey(GRAND_CHILDREN_QNAME, GRAND_CHILD_NUMBER_QNAME,
 178               FIRST_GRAND_CHILD_ID) //
 179           .build();
 180
 181   private static final YangInstanceIdentifier GRAND_CHILD_1_NAME_PATH =
 182       YangInstanceIdentifier
 183           .builder(CHILDREN_1_PATH)
 184           .node(GRAND_CHILDREN_QNAME)
 185           //
 186           .nodeWithKey(GRAND_CHILDREN_QNAME, GRAND_CHILD_NAME_QNAME,
 187               FIRST_GRAND_CHILD_NAME) //
 188           .build();
 189
 190   private static final YangInstanceIdentifier GRAND_CHILD_2_PATH =
 191       YangInstanceIdentifier
 192           .builder(CHILDREN_2_PATH)
 193           .node(GRAND_CHILDREN_QNAME)
 194           //
 195           .nodeWithKey(GRAND_CHILDREN_QNAME, GRAND_CHILD_NUMBER_QNAME,
 196               SECOND_GRAND_CHILD_ID) //
 197           .build();
 198
 199   private static final YangInstanceIdentifier GRAND_CHILD_2_NAME_PATH =
 200       YangInstanceIdentifier
 201           .builder(CHILDREN_2_PATH)
 202           .node(GRAND_CHILDREN_QNAME)
 203           //
 204           .nodeWithKey(GRAND_CHILDREN_QNAME, GRAND_CHILD_NAME_QNAME,
 205               SECOND_GRAND_CHILD_NAME) //
 206           .build();
 207
 208   private static final YangInstanceIdentifier DESC_PATH_ID =
 209       YangInstanceIdentifier.builder(DESC_PATH).build();
 210   private static final YangInstanceIdentifier OUTER_LIST_1_PATH =
 211       YangInstanceIdentifier.builder(OUTER_LIST_PATH)
 212           .nodeWithKey(OUTER_LIST_QNAME, ID_QNAME, ONE_ID) //
 213           .build();
 214
 215   private static final YangInstanceIdentifier OUTER_LIST_2_PATH =
 216       YangInstanceIdentifier.builder(OUTER_LIST_PATH)
 217           .nodeWithKey(OUTER_LIST_QNAME, ID_QNAME, TWO_ID) //
 218           .build();
 219
 220   private static final YangInstanceIdentifier TWO_TWO_PATH =
 221       YangInstanceIdentifier.builder(OUTER_LIST_2_PATH).node(INNER_LIST_QNAME) //
 222           .nodeWithKey(INNER_LIST_QNAME, NAME_QNAME, TWO_TWO_NAME) //
 223           .build();
 224
 225   private static final YangInstanceIdentifier TWO_TWO_VALUE_PATH =
 226       YangInstanceIdentifier.builder(TWO_TWO_PATH).node(VALUE_QNAME) //
 227           .build();
 228
 229   private static final MapEntryNode BAR_NODE = mapEntryBuilder(
 230       OUTER_LIST_QNAME, ID_QNAME, TWO_ID) //
 231       .withChild(mapNodeBuilder(INNER_LIST_QNAME) //
 232           .withChild(mapEntry(INNER_LIST_QNAME, NAME_QNAME, TWO_ONE_NAME)) //
 233           .withChild(mapEntry(INNER_LIST_QNAME, NAME_QNAME, TWO_TWO_NAME)) //
 234           .build()) //
 235       .build();
 236
 237   public static final InputStream getDatastoreTestInputStream() {
 238     return getInputStream(DATASTORE_TEST_YANG);
 239   }
 240
 241   public static final InputStream getDatastoreAugInputStream() {
 242     return getInputStream(DATASTORE_AUG_YANG);
 243   }
 244
 245   public static final InputStream getDatastoreTestNotificationInputStream() {
 246     return getInputStream(DATASTORE_TEST_NOTIFICATION_YANG);
 247   }
 248
 249   private static InputStream getInputStream(final String resourceName) {
 250     return TestModel.class.getResourceAsStream(resourceName);
 251   }
 252
 253   public static SchemaContext createTestContext() {
 254     List<InputStream> inputStreams = new ArrayList<>();
 255     inputStreams.add(getDatastoreTestInputStream());
 256     inputStreams.add(getDatastoreAugInputStream());
 257     inputStreams.add(getDatastoreTestNotificationInputStream());
 258
 259     YangParserImpl parser = new YangParserImpl();
 260     Set<Module> modules = parser.parseYangModelsFromStreams(inputStreams);
 261     return parser.resolveSchemaContext(modules);
 262   }
 263
 264   /**
 265    * Returns a test document
 266    * <p/>
 267    *
 268    * <pre>
 269    * test
 270    *     outer-list
 271    *          id 1
 272    *     outer-list
 273    *          id 2
 274    *          inner-list
 275    *                  name "one"
 276    *          inner-list
 277    *                  name "two"
 278    *
 279    * </pre>
 280    *
 281    * @return
 282    */
 283   public static NormalizedNode<?, ?> createDocumentOne(
 284       SchemaContext schemaContext) {
 285     return ImmutableContainerNodeBuilder
 286         .create()
 287         .withNodeIdentifier(
 288             new YangInstanceIdentifier.NodeIdentifier(schemaContext.getQName()))
 289         .withChild(createTestContainer()).build();
 290
 291   }
 292
 293   public static DataContainerNodeAttrBuilder<YangInstanceIdentifier.NodeIdentifier, ContainerNode> createBaseTestContainerBuilder() {
 294       // Create a list of shoes
 295       // This is to test leaf list entry
 296       final LeafSetEntryNode<Object> nike =
 297               ImmutableLeafSetEntryNodeBuilder
 298                       .create()
 299                       .withNodeIdentifier(
 300                               new YangInstanceIdentifier.NodeWithValue(QName.create(
 301                                       TEST_QNAME, "shoe"), "nike")).withValue("nike").build();
 302
 303       final LeafSetEntryNode<Object> puma =
 304               ImmutableLeafSetEntryNodeBuilder
 305                       .create()
 306                       .withNodeIdentifier(
 307                               new YangInstanceIdentifier.NodeWithValue(QName.create(
 308                                       TEST_QNAME, "shoe"), "puma")).withValue("puma").build();
 309
 310       final LeafSetNode<Object> shoes =
 311               ImmutableLeafSetNodeBuilder
 312                       .create()
 313                       .withNodeIdentifier(
 314                               new YangInstanceIdentifier.NodeIdentifier(QName.create(
 315                                       TEST_QNAME, "shoe"))).withChild(nike).withChild(puma)
 316                       .build();
 317
 318
 319       // Test a leaf-list where each entry contains an identity
 320       final LeafSetEntryNode<Object> cap1 =
 321               ImmutableLeafSetEntryNodeBuilder
 322                       .create()
 323                       .withNodeIdentifier(
 324                               new YangInstanceIdentifier.NodeWithValue(QName.create(
 325                                       TEST_QNAME, "capability"), DESC_QNAME))
 326                       .withValue(DESC_QNAME).build();
 327
 328       final LeafSetNode<Object> capabilities =
 329               ImmutableLeafSetNodeBuilder
 330                       .create()
 331                       .withNodeIdentifier(
 332                               new YangInstanceIdentifier.NodeIdentifier(QName.create(
 333                                       TEST_QNAME, "capability"))).withChild(cap1).build();
 334
 335       ContainerNode switchFeatures =
 336               ImmutableContainerNodeBuilder
 337                       .create()
 338                       .withNodeIdentifier(
 339                               new YangInstanceIdentifier.NodeIdentifier(SWITCH_FEATURES_QNAME))
 340                       .withChild(capabilities).build();
 341
 342       // Create a leaf list with numbers
 343       final LeafSetEntryNode<Object> five =
 344               ImmutableLeafSetEntryNodeBuilder
 345                       .create()
 346                       .withNodeIdentifier(
 347                               (new YangInstanceIdentifier.NodeWithValue(QName.create(
 348                                       TEST_QNAME, "number"), 5))).withValue(5).build();
 349       final LeafSetEntryNode<Object> fifteen =
 350               ImmutableLeafSetEntryNodeBuilder
 351                       .create()
 352                       .withNodeIdentifier(
 353                               (new YangInstanceIdentifier.NodeWithValue(QName.create(
 354                                       TEST_QNAME, "number"), 15))).withValue(15).build();
 355       final LeafSetNode<Object> numbers =
 356               ImmutableLeafSetNodeBuilder
 357                       .create()
 358                       .withNodeIdentifier(
 359                               new YangInstanceIdentifier.NodeIdentifier(QName.create(
 360                                       TEST_QNAME, "number"))).withChild(five).withChild(fifteen)
 361                       .build();
 362
 363
 364       // Create augmentations
 365       MapEntryNode mapEntry = createAugmentedListEntry(1, "First Test");
 366
 367       // Create a bits leaf
 368       NormalizedNodeAttrBuilder<YangInstanceIdentifier.NodeIdentifier, Object, LeafNode<Object>>
 369               myBits = Builders.leafBuilder().withNodeIdentifier(
 370               new YangInstanceIdentifier.NodeIdentifier(
 371                       QName.create(TEST_QNAME, "my-bits"))).withValue(
 372               ImmutableSet.of("foo", "bar"));
 373
 374       // Create unkey list entry
 375       UnkeyedListEntryNode binaryDataKey =
 376           Builders.unkeyedListEntryBuilder().withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TEST_QNAME)).
 377               withChild(ImmutableNodes.leafNode(SOME_BINARY_DATE_QNAME, DESC)).build();
 378
 379       Map<QName, Object> keyValues = new HashMap<>();
 380       keyValues.put(CHILDREN_QNAME, FIRST_CHILD_NAME);
 381
 382
 383       // Create the document
 384       return ImmutableContainerNodeBuilder
 385               .create()
 386               .withNodeIdentifier(
 387                   new YangInstanceIdentifier.NodeIdentifier(TEST_QNAME))
 388               .withChild(myBits.build())
 389               .withChild(ImmutableNodes.leafNode(DESC_QNAME, DESC))
 390               .withChild(ImmutableNodes.leafNode(POINTER_QNAME, ENABLED))
 391               .withChild(ImmutableNodes.leafNode(POINTER_QNAME, SHORT_ID))
 392               .withChild(ImmutableNodes.leafNode(POINTER_QNAME, BYTE_ID))
 393               .withChild(
 394                   ImmutableNodes.leafNode(SOME_REF_QNAME, GRAND_CHILD_1_PATH))
 395               .withChild(ImmutableNodes.leafNode(MYIDENTITY_QNAME, DESC_QNAME))
 396                .withChild(Builders.unkeyedListBuilder().withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(OUTER_LIST_QNAME))
 397                    .withChild(binaryDataKey).build())
 398                .withChild(Builders.orderedMapBuilder()
 399                    .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TEST_QNAME)).withChild(mapEntry).build())
 400                .withChild(Builders.choiceBuilder().withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TEST_QNAME))
 401                    .withChild(ImmutableNodes.leafNode(DESC_QNAME, LONG_ID)).build())
 402                       // .withChild(augmentationNode)
 403               .withChild(shoes)
 404               .withChild(numbers)
 405               .withChild(switchFeatures)
 406               .withChild(
 407                   mapNodeBuilder(AUGMENTED_LIST_QNAME).withChild(mapEntry).build())
 408               .withChild(
 409                   mapNodeBuilder(OUTER_LIST_QNAME)
 410                       .withChild(mapEntry(OUTER_LIST_QNAME, ID_QNAME, ONE_ID))
 411                       .withChild(BAR_NODE).build()
 412               );
 413   }
 414
 415   public static ContainerNode createTestContainer() {
 416       return createBaseTestContainerBuilder().build();
 417   }
 418
 419   public static MapEntryNode createAugmentedListEntry(int id, String name) {
 420
 421     Set<QName> childAugmentations = new HashSet<>();
 422     childAugmentations.add(AUG_CONT_QNAME);
 423
 424     ContainerNode augCont =
 425         ImmutableContainerNodeBuilder
 426             .create()
 427             .withNodeIdentifier(
 428                 new YangInstanceIdentifier.NodeIdentifier(AUG_CONT_QNAME))
 429             .withChild(ImmutableNodes.leafNode(AUG_NAME_QNAME, name)).build();
 430
 431
 432     final YangInstanceIdentifier.AugmentationIdentifier augmentationIdentifier =
 433         new YangInstanceIdentifier.AugmentationIdentifier(childAugmentations);
 434
 435     final AugmentationNode augmentationNode =
 436         Builders.augmentationBuilder()
 437             .withNodeIdentifier(augmentationIdentifier).withChild(augCont)
 438             .build();
 439
 440     return ImmutableMapEntryNodeBuilder
 441         .create()
 442         .withNodeIdentifier(
 443             new YangInstanceIdentifier.NodeIdentifierWithPredicates(
 444                 AUGMENTED_LIST_QNAME, ID_QNAME, id))
 445         .withChild(ImmutableNodes.leafNode(ID_QNAME, id))
 446         .withChild(augmentationNode).build();
 447   }
 448
 449
 450   public static ContainerNode createFamily() {
 451     final DataContainerNodeAttrBuilder<YangInstanceIdentifier.NodeIdentifier, ContainerNode> familyContainerBuilder =
 452         ImmutableContainerNodeBuilder.create().withNodeIdentifier(
 453             new YangInstanceIdentifier.NodeIdentifier(FAMILY_QNAME));
 454
 455     final CollectionNodeBuilder<MapEntryNode, MapNode> childrenBuilder =
 456         mapNodeBuilder(CHILDREN_QNAME);
 457
 458     final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode> firstChildBuilder =
 459         mapEntryBuilder(CHILDREN_QNAME, CHILD_NUMBER_QNAME, FIRST_CHILD_ID);
 460     final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode> secondChildBuilder =
 461         mapEntryBuilder(CHILDREN_QNAME, CHILD_NUMBER_QNAME, SECOND_CHILD_ID);
 462
 463     final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode> firstGrandChildBuilder =
 464         mapEntryBuilder(GRAND_CHILDREN_QNAME, GRAND_CHILD_NUMBER_QNAME,
 465             FIRST_GRAND_CHILD_ID);
 466     final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode> secondGrandChildBuilder =
 467         mapEntryBuilder(GRAND_CHILDREN_QNAME, GRAND_CHILD_NUMBER_QNAME,
 468             SECOND_GRAND_CHILD_ID);
 469
 470     firstGrandChildBuilder
 471         .withChild(
 472             ImmutableNodes.leafNode(GRAND_CHILD_NUMBER_QNAME,
 473                 FIRST_GRAND_CHILD_ID)).withChild(
 474             ImmutableNodes.leafNode(GRAND_CHILD_NAME_QNAME,
 475                 FIRST_GRAND_CHILD_NAME));
 476
 477     secondGrandChildBuilder.withChild(
 478         ImmutableNodes
 479             .leafNode(GRAND_CHILD_NUMBER_QNAME, SECOND_GRAND_CHILD_ID))
 480         .withChild(
 481             ImmutableNodes.leafNode(GRAND_CHILD_NAME_QNAME,
 482                 SECOND_GRAND_CHILD_NAME));
 483
 484     firstChildBuilder
 485         .withChild(ImmutableNodes.leafNode(CHILD_NUMBER_QNAME, FIRST_CHILD_ID))
 486         .withChild(ImmutableNodes.leafNode(CHILD_NAME_QNAME, FIRST_CHILD_NAME))
 487         .withChild(
 488             mapNodeBuilder(GRAND_CHILDREN_QNAME).withChild(
 489                 firstGrandChildBuilder.build()).build());
 490
 491
 492     secondChildBuilder
 493         .withChild(ImmutableNodes.leafNode(CHILD_NUMBER_QNAME, SECOND_CHILD_ID))
 494         .withChild(ImmutableNodes.leafNode(CHILD_NAME_QNAME, SECOND_CHILD_NAME))
 495         .withChild(
 496             mapNodeBuilder(GRAND_CHILDREN_QNAME).withChild(
 497                 firstGrandChildBuilder.build()).build());
 498
 499     childrenBuilder.withChild(firstChildBuilder.build());
 500     childrenBuilder.withChild(secondChildBuilder.build());
 501
 502     return familyContainerBuilder.withChild(childrenBuilder.build()).build();
 503   }
 504
 505 }