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

   1 /*
   2  * Copyright (c) 2014, 2015 Cisco 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
   9 package org.opendaylight.controller.cluster.datastore.util;
  10
  11 import static org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes.mapEntry;
  12 import static org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes.mapEntryBuilder;
  13 import static org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes.mapNodeBuilder;
  14
  15 import com.google.common.collect.ImmutableList;
  16 import com.google.common.collect.ImmutableSet;
  17 import java.io.InputStream;
  18 import java.math.BigDecimal;
  19 import java.math.BigInteger;
  20 import java.util.ArrayList;
  21 import java.util.HashMap;
  22 import java.util.HashSet;
  23 import java.util.List;
  24 import java.util.Map;
  25 import java.util.Set;
  26 import org.opendaylight.yangtools.yang.common.QName;
  27 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  28 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
  29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  30 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  31 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
  32 import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
  33 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  34 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
  35 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
  36 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode;
  37 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  38 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  39 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  40 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
  41 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  42 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  43 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
  44 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
  45 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
  46 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeAttrBuilder;
  47 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  48 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafSetEntryNodeBuilder;
  49 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafSetNodeBuilder;
  50 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapEntryNodeBuilder;
  51 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  52 import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
  53 import org.opendaylight.yangtools.yang.parser.stmt.reactor.CrossSourceStatementReactor;
  54 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.YangInferencePipeline;
  55
  56 public class TestModel {
  57
  58     public static final QName TEST_QNAME = QName.create(
  59             "urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:test",
  60             "2014-03-13", "test");
  61
  62     public static final QName AUG_NAME_QNAME = QName.create(
  63             "urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:aug",
  64             "2014-03-13", "name");
  65
  66     public static final QName AUG_CONT_QNAME = QName.create(
  67             "urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:aug",
  68             "2014-03-13", "cont");
  69
  70
  71     public static final QName DESC_QNAME = QName.create(TEST_QNAME, "desc");
  72     public static final QName POINTER_QNAME = QName.create(TEST_QNAME, "pointer");
  73     public static final QName SOME_BINARY_DATA_QNAME = QName.create(TEST_QNAME, "some-binary-data");
  74     public static final QName BINARY_LEAF_LIST_QNAME = QName.create(TEST_QNAME, "binary_leaf_list");
  75     public static final QName SOME_REF_QNAME = QName.create(TEST_QNAME, "some-ref");
  76     public static final QName MYIDENTITY_QNAME = QName.create(TEST_QNAME, "myidentity");
  77     public static final QName SWITCH_FEATURES_QNAME = QName.create(TEST_QNAME, "switch-features");
  78
  79     public static final QName AUGMENTED_LIST_QNAME = QName.create(TEST_QNAME, "augmented-list");
  80     public static final QName AUGMENTED_LIST_ENTRY_QNAME = QName.create(TEST_QNAME, "augmented-list-entry");
  81
  82     public static final QName OUTER_LIST_QNAME = QName.create(TEST_QNAME, "outer-list");
  83     public static final QName INNER_LIST_QNAME = QName.create(TEST_QNAME, "inner-list");
  84     public static final QName INNER_CONTAINER_QNAME = QName.create(TEST_QNAME, "inner-container");
  85     public static final QName OUTER_CHOICE_QNAME = QName.create(TEST_QNAME, "outer-choice");
  86     public static final QName ID_QNAME = QName.create(TEST_QNAME, "id");
  87     public static final QName NAME_QNAME = QName.create(TEST_QNAME, "name");
  88     public static final QName VALUE_QNAME = QName.create(TEST_QNAME, "value");
  89     public static final QName BOOLEAN_LEAF_QNAME = QName.create(TEST_QNAME, "boolean-leaf");
  90     public static final QName SHORT_LEAF_QNAME = QName.create(TEST_QNAME, "short-leaf");
  91     public static final QName BYTE_LEAF_QNAME = QName.create(TEST_QNAME, "byte-leaf");
  92     public static final QName BIGINTEGER_LEAF_QNAME = QName.create(TEST_QNAME, "biginteger-leaf");
  93     public static final QName BIGDECIMAL_LEAF_QNAME = QName.create(TEST_QNAME, "bigdecimal-leaf");
  94     public static final QName ORDERED_LIST_QNAME = QName.create(TEST_QNAME, "ordered-list");
  95     public static final QName ORDERED_LIST_ENTRY_QNAME = QName.create(TEST_QNAME, "ordered-list-leaf");
  96     public static final QName UNKEYED_LIST_QNAME = QName.create(TEST_QNAME, "unkeyed-list");
  97     public static final QName UNKEYED_LIST_ENTRY_QNAME = QName.create(TEST_QNAME, "unkeyed-list-entry");
  98     public static final QName CHOICE_QNAME = QName.create(TEST_QNAME, "choice");
  99     public static final QName SHOE_QNAME = QName.create(TEST_QNAME, "shoe");
 100     public static final QName ANY_XML_QNAME = QName.create(TEST_QNAME, "any");
 101     public static final QName INVALID_QNAME = QName.create(TEST_QNAME, "invalid");
 102     private static final String DATASTORE_TEST_YANG = "/odl-datastore-test.yang";
 103     private static final String DATASTORE_AUG_YANG = "/odl-datastore-augmentation.yang";
 104     private static final String DATASTORE_TEST_NOTIFICATION_YANG = "/odl-datastore-test-notification.yang";
 105
 106
 107     public static final YangInstanceIdentifier TEST_PATH = YangInstanceIdentifier.of(TEST_QNAME);
 108     public static final YangInstanceIdentifier DESC_PATH = YangInstanceIdentifier
 109             .builder(TEST_PATH).node(DESC_QNAME).build();
 110     public static final YangInstanceIdentifier OUTER_LIST_PATH =
 111             YangInstanceIdentifier.builder(TEST_PATH).node(OUTER_LIST_QNAME).build();
 112     public static final QName TWO_THREE_QNAME = QName.create(TEST_QNAME, "two");
 113     public static final QName TWO_QNAME = QName.create(TEST_QNAME, "two");
 114     public static final QName THREE_QNAME = QName.create(TEST_QNAME, "three");
 115
 116     private static final Integer ONE_ID = 1;
 117     private static final Integer TWO_ID = 2;
 118     private static final String TWO_ONE_NAME = "one";
 119     private static final String TWO_TWO_NAME = "two";
 120     private static final String DESC = "Hello there";
 121     private static final Boolean ENABLED = true;
 122     private static final Short SHORT_ID = 1;
 123     private static final Byte BYTE_ID = 1;
 124     // Family specific constants
 125     public static final QName FAMILY_QNAME = QName.create(
 126         "urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:notification-test", "2014-04-17", "family");
 127     public static final QName CHILDREN_QNAME = QName.create(FAMILY_QNAME, "children");
 128     public static final QName GRAND_CHILDREN_QNAME = QName.create(FAMILY_QNAME, "grand-children");
 129     public static final QName CHILD_NUMBER_QNAME = QName.create(FAMILY_QNAME, "child-number");
 130     public static final QName CHILD_NAME_QNAME = QName.create(FAMILY_QNAME, "child-name");
 131     public static final QName GRAND_CHILD_NUMBER_QNAME = QName.create(FAMILY_QNAME, "grand-child-number");
 132     public static final QName GRAND_CHILD_NAME_QNAME = QName.create(FAMILY_QNAME,"grand-child-name");
 133
 134     public static final YangInstanceIdentifier FAMILY_PATH = YangInstanceIdentifier.of(FAMILY_QNAME);
 135     public static final YangInstanceIdentifier FAMILY_DESC_PATH =
 136             YangInstanceIdentifier.builder(FAMILY_PATH).node(DESC_QNAME).build();
 137     public static final YangInstanceIdentifier CHILDREN_PATH =
 138             YangInstanceIdentifier.builder(FAMILY_PATH).node(CHILDREN_QNAME).build();
 139
 140     private static final Integer FIRST_CHILD_ID = 1;
 141     private static final Integer SECOND_CHILD_ID = 2;
 142
 143     private static final String FIRST_CHILD_NAME = "first child";
 144     private static final String SECOND_CHILD_NAME = "second child";
 145
 146     private static final Integer FIRST_GRAND_CHILD_ID = 1;
 147     private static final Integer SECOND_GRAND_CHILD_ID = 2;
 148
 149     private static final String FIRST_GRAND_CHILD_NAME = "first grand child";
 150     private static final String SECOND_GRAND_CHILD_NAME = "second grand child";
 151
 152     private static final MapEntryNode BAR_NODE = mapEntryBuilder(
 153             OUTER_LIST_QNAME, ID_QNAME, TWO_ID) //
 154             .withChild(mapNodeBuilder(INNER_LIST_QNAME) //
 155                     .withChild(mapEntry(INNER_LIST_QNAME, NAME_QNAME, TWO_ONE_NAME)) //
 156                     .withChild(mapEntry(INNER_LIST_QNAME, NAME_QNAME, TWO_TWO_NAME)) //
 157                     .build()) //
 158             .build();
 159
 160     public static final InputStream getDatastoreTestInputStream() {
 161         return getInputStream(DATASTORE_TEST_YANG);
 162     }
 163
 164     public static final InputStream getDatastoreAugInputStream() {
 165         return getInputStream(DATASTORE_AUG_YANG);
 166     }
 167
 168     public static final InputStream getDatastoreTestNotificationInputStream() {
 169         return getInputStream(DATASTORE_TEST_NOTIFICATION_YANG);
 170     }
 171
 172     private static InputStream getInputStream(final String resourceName) {
 173         return TestModel.class.getResourceAsStream(resourceName);
 174     }
 175
 176     public static SchemaContext createTestContext() {
 177         List<InputStream> inputStreams = new ArrayList<>();
 178         inputStreams.add(getDatastoreTestInputStream());
 179         inputStreams.add(getDatastoreAugInputStream());
 180         inputStreams.add(getDatastoreTestNotificationInputStream());
 181
 182         return resolveSchemaContext(inputStreams);
 183     }
 184
 185     public static SchemaContext createTestContextWithoutTestSchema() {
 186         List<InputStream> inputStreams = new ArrayList<>();
 187         inputStreams.add(getDatastoreTestNotificationInputStream());
 188
 189         return resolveSchemaContext(inputStreams);
 190     }
 191
 192
 193     public static SchemaContext createTestContextWithoutAugmentationSchema() {
 194         List<InputStream> inputStreams = new ArrayList<>();
 195         inputStreams.add(getDatastoreTestInputStream());
 196         inputStreams.add(getDatastoreTestNotificationInputStream());
 197
 198         return resolveSchemaContext(inputStreams);
 199     }
 200
 201     private static SchemaContext resolveSchemaContext(List<InputStream> streams) {
 202         final CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR.newBuild();
 203         final SchemaContext schemaContext;
 204
 205         try {
 206             schemaContext = reactor.buildEffective(streams);
 207         } catch (ReactorException e) {
 208             throw new RuntimeException("Unable to build schema context from " + streams, e);
 209         }
 210         return schemaContext;
 211     }
 212
 213     /**
 214      * Returns a test document.
 215      * <p/>
 216      * <p/>
 217      * <pre>
 218      * test
 219      *     outer-list
 220      *          id 1
 221      *     outer-list
 222      *          id 2
 223      *          inner-list
 224      *                  name "one"
 225      *          inner-list
 226      *                  name "two"
 227      *
 228      * </pre>
 229      */
 230     public static NormalizedNode<?, ?> createDocumentOne(
 231             SchemaContext schemaContext) {
 232         return ImmutableContainerNodeBuilder
 233                 .create()
 234                 .withNodeIdentifier(
 235                         new NodeIdentifier(schemaContext.getQName()))
 236                 .withChild(createTestContainer()).build();
 237
 238     }
 239
 240     public static DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> createBaseTestContainerBuilder() {
 241         // Create a list of shoes
 242         // This is to test leaf list entry
 243         final LeafSetEntryNode<Object> nike = ImmutableLeafSetEntryNodeBuilder.create().withNodeIdentifier(
 244                 new NodeWithValue<>(SHOE_QNAME, "nike")).withValue("nike").build();
 245
 246         final LeafSetEntryNode<Object> puma = ImmutableLeafSetEntryNodeBuilder.create().withNodeIdentifier(
 247                 new NodeWithValue<>(SHOE_QNAME, "puma")).withValue("puma").build();
 248
 249         final LeafSetNode<Object> shoes = ImmutableLeafSetNodeBuilder.create().withNodeIdentifier(
 250                 new NodeIdentifier(SHOE_QNAME)).withChild(nike).withChild(puma).build();
 251
 252         // Test a leaf-list where each entry contains an identity
 253         final LeafSetEntryNode<Object> cap1 =
 254                 ImmutableLeafSetEntryNodeBuilder
 255                         .create()
 256                         .withNodeIdentifier(
 257                                 new NodeWithValue<>(QName.create(
 258                                         TEST_QNAME, "capability"), DESC_QNAME))
 259                         .withValue(DESC_QNAME).build();
 260
 261         final LeafSetNode<Object> capabilities =
 262                 ImmutableLeafSetNodeBuilder
 263                         .create()
 264                         .withNodeIdentifier(
 265                                 new NodeIdentifier(QName.create(
 266                                         TEST_QNAME, "capability"))).withChild(cap1).build();
 267
 268         ContainerNode switchFeatures =
 269                 ImmutableContainerNodeBuilder
 270                         .create()
 271                         .withNodeIdentifier(
 272                                 new NodeIdentifier(SWITCH_FEATURES_QNAME))
 273                         .withChild(capabilities).build();
 274
 275         // Create a leaf list with numbers
 276         final LeafSetEntryNode<Object> five =
 277                 ImmutableLeafSetEntryNodeBuilder
 278                         .create()
 279                         .withNodeIdentifier(
 280                                 new NodeWithValue<>(QName.create(
 281                                         TEST_QNAME, "number"), 5)).withValue(5).build();
 282         final LeafSetEntryNode<Object> fifteen =
 283                 ImmutableLeafSetEntryNodeBuilder
 284                         .create()
 285                         .withNodeIdentifier(
 286                                 new NodeWithValue<>(QName.create(
 287                                         TEST_QNAME, "number"), 15)).withValue(15).build();
 288         final LeafSetNode<Object> numbers =
 289                 ImmutableLeafSetNodeBuilder
 290                         .create()
 291                         .withNodeIdentifier(
 292                                 new NodeIdentifier(QName.create(
 293                                         TEST_QNAME, "number"))).withChild(five).withChild(fifteen)
 294                         .build();
 295
 296
 297         // Create augmentations
 298         MapEntryNode augMapEntry = createAugmentedListEntry(1, "First Test");
 299
 300         // Create a bits leaf
 301         NormalizedNodeAttrBuilder<NodeIdentifier, Object, LeafNode<Object>>
 302                 myBits = Builders.leafBuilder()
 303                 .withNodeIdentifier(new NodeIdentifier(QName.create(TEST_QNAME, "my-bits")))
 304                 .withValue(ImmutableSet.of("foo", "bar"));
 305
 306         // Create unkeyed list entry
 307         UnkeyedListEntryNode unkeyedListEntry =
 308                 Builders.unkeyedListEntryBuilder().withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(
 309                     UNKEYED_LIST_QNAME)).withChild(ImmutableNodes.leafNode(NAME_QNAME, "unkeyed-entry-name")).build();
 310
 311         // Create YangInstanceIdentifier with all path arg types.
 312         YangInstanceIdentifier instanceID = YangInstanceIdentifier.create(
 313                 new NodeIdentifier(QName.create(TEST_QNAME, "qname")),
 314                 new NodeIdentifierWithPredicates(QName.create(TEST_QNAME, "list-entry"),
 315                         QName.create(TEST_QNAME, "key"), 10),
 316                 new AugmentationIdentifier(ImmutableSet.of(
 317                         QName.create(TEST_QNAME, "aug1"), QName.create(TEST_QNAME, "aug2"))),
 318                 new NodeWithValue<>(QName.create(TEST_QNAME, "leaf-list-entry"), "foo"));
 319
 320         Map<QName, Object> keyValues = new HashMap<>();
 321         keyValues.put(CHILDREN_QNAME, FIRST_CHILD_NAME);
 322
 323
 324         // Create the document
 325         return ImmutableContainerNodeBuilder
 326                 .create()
 327                 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TEST_QNAME))
 328                 .withChild(myBits.build())
 329                 .withChild(ImmutableNodes.leafNode(DESC_QNAME, DESC))
 330                 .withChild(ImmutableNodes.leafNode(BOOLEAN_LEAF_QNAME, ENABLED))
 331                 .withChild(ImmutableNodes.leafNode(SHORT_LEAF_QNAME, SHORT_ID))
 332                 .withChild(ImmutableNodes.leafNode(BYTE_LEAF_QNAME, BYTE_ID))
 333                 .withChild(ImmutableNodes.leafNode(TestModel.BIGINTEGER_LEAF_QNAME, BigInteger.valueOf(100)))
 334                 .withChild(ImmutableNodes.leafNode(TestModel.BIGDECIMAL_LEAF_QNAME, BigDecimal.valueOf(1.2)))
 335                 .withChild(ImmutableNodes.leafNode(SOME_REF_QNAME, instanceID))
 336                 .withChild(ImmutableNodes.leafNode(MYIDENTITY_QNAME, DESC_QNAME))
 337                 .withChild(Builders.unkeyedListBuilder()
 338                         .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(UNKEYED_LIST_QNAME))
 339                         .withChild(unkeyedListEntry).build())
 340                 .withChild(Builders.choiceBuilder()
 341                         .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TWO_THREE_QNAME))
 342                         .withChild(ImmutableNodes.leafNode(TWO_QNAME, "two")).build())
 343                 .withChild(Builders.orderedMapBuilder()
 344                         .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(ORDERED_LIST_QNAME))
 345                         .withValue(ImmutableList.<MapEntryNode>builder().add(
 346                                 mapEntryBuilder(ORDERED_LIST_QNAME, ORDERED_LIST_ENTRY_QNAME, "1").build(),
 347                                 mapEntryBuilder(ORDERED_LIST_QNAME, ORDERED_LIST_ENTRY_QNAME, "2").build()).build())
 348                         .build())
 349                 .withChild(shoes)
 350                 .withChild(numbers)
 351                 .withChild(switchFeatures)
 352                 .withChild(mapNodeBuilder(AUGMENTED_LIST_QNAME).withChild(augMapEntry).build())
 353                 .withChild(mapNodeBuilder(OUTER_LIST_QNAME)
 354                                 .withChild(mapEntry(OUTER_LIST_QNAME, ID_QNAME, ONE_ID))
 355                                 .withChild(BAR_NODE).build()
 356                 );
 357     }
 358
 359     public static ContainerNode createTestContainer() {
 360         return createBaseTestContainerBuilder().build();
 361     }
 362
 363     public static MapEntryNode createAugmentedListEntry(int id, String name) {
 364
 365         Set<QName> childAugmentations = new HashSet<>();
 366         childAugmentations.add(AUG_CONT_QNAME);
 367
 368         ContainerNode augCont =
 369                 ImmutableContainerNodeBuilder
 370                         .create()
 371                         .withNodeIdentifier(
 372                                 new YangInstanceIdentifier.NodeIdentifier(AUG_CONT_QNAME))
 373                         .withChild(ImmutableNodes.leafNode(AUG_NAME_QNAME, name)).build();
 374
 375
 376         final YangInstanceIdentifier.AugmentationIdentifier augmentationIdentifier =
 377                 new YangInstanceIdentifier.AugmentationIdentifier(childAugmentations);
 378
 379         final AugmentationNode augmentationNode =
 380                 Builders.augmentationBuilder()
 381                         .withNodeIdentifier(augmentationIdentifier).withChild(augCont)
 382                         .build();
 383
 384         return ImmutableMapEntryNodeBuilder
 385                 .create()
 386                 .withNodeIdentifier(
 387                         new YangInstanceIdentifier.NodeIdentifierWithPredicates(
 388                                 AUGMENTED_LIST_QNAME, ID_QNAME, id))
 389                 .withChild(ImmutableNodes.leafNode(ID_QNAME, id))
 390                 .withChild(augmentationNode).build();
 391     }
 392
 393
 394     public static ContainerNode createFamily() {
 395         final DataContainerNodeAttrBuilder<YangInstanceIdentifier.NodeIdentifier, ContainerNode>
 396             familyContainerBuilder = ImmutableContainerNodeBuilder.create().withNodeIdentifier(
 397                         new YangInstanceIdentifier.NodeIdentifier(FAMILY_QNAME));
 398
 399         final CollectionNodeBuilder<MapEntryNode, MapNode> childrenBuilder =
 400                 mapNodeBuilder(CHILDREN_QNAME);
 401
 402         final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode>
 403             firstChildBuilder = mapEntryBuilder(CHILDREN_QNAME, CHILD_NUMBER_QNAME, FIRST_CHILD_ID);
 404         final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode>
 405             secondChildBuilder = mapEntryBuilder(CHILDREN_QNAME, CHILD_NUMBER_QNAME, SECOND_CHILD_ID);
 406
 407         final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode>
 408             firstGrandChildBuilder = mapEntryBuilder(GRAND_CHILDREN_QNAME, GRAND_CHILD_NUMBER_QNAME,
 409                     FIRST_GRAND_CHILD_ID);
 410         final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode>
 411             secondGrandChildBuilder = mapEntryBuilder(GRAND_CHILDREN_QNAME, GRAND_CHILD_NUMBER_QNAME,
 412                     SECOND_GRAND_CHILD_ID);
 413
 414         firstGrandChildBuilder
 415                 .withChild(
 416                         ImmutableNodes.leafNode(GRAND_CHILD_NUMBER_QNAME,
 417                                 FIRST_GRAND_CHILD_ID)).withChild(
 418                 ImmutableNodes.leafNode(GRAND_CHILD_NAME_QNAME,
 419                         FIRST_GRAND_CHILD_NAME));
 420
 421         secondGrandChildBuilder.withChild(
 422                 ImmutableNodes
 423                         .leafNode(GRAND_CHILD_NUMBER_QNAME, SECOND_GRAND_CHILD_ID))
 424                 .withChild(
 425                         ImmutableNodes.leafNode(GRAND_CHILD_NAME_QNAME,
 426                                 SECOND_GRAND_CHILD_NAME));
 427
 428         firstChildBuilder
 429                 .withChild(ImmutableNodes.leafNode(CHILD_NUMBER_QNAME, FIRST_CHILD_ID))
 430                 .withChild(ImmutableNodes.leafNode(CHILD_NAME_QNAME, FIRST_CHILD_NAME))
 431                 .withChild(
 432                         mapNodeBuilder(GRAND_CHILDREN_QNAME).withChild(
 433                                 firstGrandChildBuilder.build()).build());
 434
 435
 436         secondChildBuilder
 437                 .withChild(ImmutableNodes.leafNode(CHILD_NUMBER_QNAME, SECOND_CHILD_ID))
 438                 .withChild(ImmutableNodes.leafNode(CHILD_NAME_QNAME, SECOND_CHILD_NAME))
 439                 .withChild(
 440                         mapNodeBuilder(GRAND_CHILDREN_QNAME).withChild(
 441                                 firstGrandChildBuilder.build()).build());
 442
 443         childrenBuilder.withChild(firstChildBuilder.build());
 444         childrenBuilder.withChild(secondChildBuilder.build());
 445
 446         return familyContainerBuilder.withChild(childrenBuilder.build()).build();
 447     }
 448
 449 }