Examples of com.linkedin.data.DataList

com.linkedin.data.DataList
A DataList is ordered list of Data objects.
When an value is being added or replaced on the list, the list will verify that the value is a Data object. If the value is not a Data object, then the list will throw an {@link IllegalArgumentException}.
Cloning via the {@link #clone()} method will shallow copy the {@link DataList}and will not deep copy contained complex objects. Copying via the {@link #copy()}method will deep copy the {@link DataList}, which includes deep copying the contained complex objects.
Instrumentation if enabled is only enabled for the {@link DataList} and notfor the underlying {@link CheckedList}. Furthermore, if a {@link DataList} is cloned,the clone will not have instrumentation enabled and the clone's instrumented data will be cleared.
Since {@link DataList} extends {@link CheckedList}, copying of the {@link DataList}is lazy and may be delayed until the {@link DataList} is about to be modified.
@author slim

    ArrayDataSchema schema = (ArrayDataSchema) DataTemplateUtil.parseSchema("{ \"type\" : \"array\", \"items\" : \"double\" }");


    List<Double> input = Arrays.asList(1.0, 3.0, 5.0, 7.0, 11.0); // must be unique
    List<Double> adds = Arrays.asList(13.0, 17.0, 19.0);
    List<Object> badInput = asList(true, "hello", ByteString.empty(), new StringMap(), new StringArray(), null);
    List<Object> badOutput = asList(true, "hello", ByteString.empty(), new DataMap(), new DataList());


    testArray(DoubleArray.class, schema, input, adds);
    testArrayBadInput(DoubleArray.class, schema, input, badInput, badOutput);


    @SuppressWarnings("unchecked")

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      return EMPTY_DATALIST;
    }


    final int end = Math.min(data.size(), start + count);
    final int size = Math.max(end - start, 0);
    final DataList resultList =  new DataList(size);


    for (int i = start; i < end; ++i)
    {
      final Class<?> operationClass = operation.getClass();
      final Object original = data.get(i);

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    ArrayDataSchema schema = (ArrayDataSchema) DataTemplateUtil.parseSchema("{ \"type\" : \"array\", \"items\" : \"string\" }");


    List<String> input = Arrays.asList("apple", "banana", "orange", "pineapple", "graphs"); // must be unique
    List<String> adds = Arrays.asList("foo", "bar", "baz");
    List<Object> badInput = asList(true, 1, 2L, 3.0f, 4.0, ByteString.empty(), new StringMap(), new StringArray(), null);
    List<Object> badOutput = asList(true, 1, 2L, 3.0f, 4.0, ByteString.empty(), new DataMap(), new DataList());


    testArray(StringArray.class, schema, input, adds);
    testArrayBadInput(StringArray.class, schema, input, badInput, badOutput);
  }

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    ArrayDataSchema schema = (ArrayDataSchema) DataTemplateUtil.parseSchema("{ \"type\" : \"array\", \"items\" : \"bytes\" }");


    List<ByteString> input = Arrays.asList(ByteString.copyAvroString("1", false), ByteString.copyAvroString("3", false), ByteString.copyAvroString("5", false), ByteString.copyAvroString("7", false), ByteString.copyAvroString("11", false));
    List<ByteString> adds = Arrays.asList(ByteString.copyAvroString("13", false), ByteString.copyAvroString("17", false), ByteString.copyAvroString("19", false));
    List<Object> badInput = asList(true, 99, 999L, 88.0f, 888.0, "\u0100", new StringMap(), new StringArray(), null);
    List<Object> badOutput = asList(true, 99, 999L, 88.0f, 888.0, "\u0100", new DataMap(), new DataList());


    testArray(BytesArray.class, schema, input, adds);
    testArrayBadInput(BytesArray.class, schema, input, badInput, badOutput);
  }

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  public void testEnumArray()
  {
    List<Fruits> input = Arrays.asList(Fruits.APPLE, Fruits.ORANGE, Fruits.BANANA); // must be unique
    List<Fruits> adds = Arrays.asList(Fruits.GRAPES, Fruits.PINEAPPLE);
    List<Object> badInput = asList(true, 1, 2L, 3.0f, 4.0, "orange", ByteString.empty(), new StringMap(), new StringArray(), null);
    List<Object> badOutput = asList(true, 1, 2L, 3.0f, 4.0, "orange", ByteString.empty(), new DataMap(), new DataList());


    testArray(EnumArrayTemplate.class, TestArrayTemplate.EnumArrayTemplate.SCHEMA, input, adds);
    testArrayBadInput(EnumArrayTemplate.class, TestArrayTemplate.EnumArrayTemplate.SCHEMA, input, badInput, badOutput);
  }

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    {
      adds.add(new FooRecord());
      adds.get(i).setBar("add " + i);
    }
    List<Object> badInput = asList(true, 1, 2L, 3.0f, 4.0, ByteString.empty(), new StringMap(), new StringArray(), null);
    List<Object> badOutput = asList(true, 1, 2L, 3.0f, 4.0, ByteString.empty(), new DataList());


    testArray(FooRecordArray.class, FooRecordArray.SCHEMA, input, adds);
    testArrayBadInput(FooRecordArray.class, FooRecordArray.SCHEMA, input, badInput, badOutput);
  }

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      "string", String.class);
    for (Map.Entry<String, Class<?>> e : primitiveStringToClassMap.entrySet())
    {
      ArrayDataSchema schema = (ArrayDataSchema) DataTemplateUtil.parseSchema("{ \"type\" : \"array\", \"items\" : \"" + e.getKey() + "\" }");
      @SuppressWarnings("unchecked")
      PrimitiveLegacyArray<?> array = new PrimitiveLegacyArray<Object>(new DataList(), schema, (Class)e.getValue());
    }
    EnumLegacyArray enumArray = new EnumLegacyArray(new DataList());
  }

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  {
    for (Map.Entry<DataSchema.Type, Class<? extends DirectArrayTemplate<?>>> entry: _dataSchemaTypeToprimitiveArrayMap.entrySet())
    {
      final PrimitiveDataSchema itemsSchema = DataSchemaUtil.dataSchemaTypeToPrimitiveDataSchema(entry.getKey());
      final ArrayDataSchema arraySchema = new ArrayDataSchema(itemsSchema);
      final DataList value = (DataList) SchemaSampleDataGenerator.buildData(arraySchema, _spec);
      final ParameterizedType arrayType = (ParameterizedType) entry.getValue().getGenericSuperclass();
      assert(arrayType.getRawType() == DirectArrayTemplate.class);
      Assert.assertSame(value.get(0).getClass(), arrayType.getActualTypeArguments()[0]);
    }
  }

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    expectedParameters.put("fields", "foo,bar,baz");
    expectedParameters.put("metadataFields", "city,region");
    expectedParameters.put("pagingFields", "start,links");
    expectedParameters.put("q", "test");
    DataMap testParam = new DataMap();
    DataList aValue = new DataList();
    aValue.add("b");
    aValue.add("c");
    aValue.add("d");
    testParam.put("a", aValue);
    expectedParameters.put("testParam", testParam);
    Assert.assertEquals(parameters, expectedParameters);
  }

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        RecordDataSchema recordSchema = new RecordDataSchema(name, recordType);
        schema = namedSchema = recordSchema;
        bindNameToSchema(name, aliasNames, recordSchema);
        List<RecordDataSchema.Field> fields = new ArrayList<RecordDataSchema.Field>();


        DataList includeList = getDataList(map, INCLUDE_KEY, false);
        DataList fieldsList = getDataList(map, FIELDS_KEY, true);


        // the parser must parse fields and include in the same order that they appear in the input.
        // determine whether to process fields first or include first
        boolean fieldsBeforeInclude = fieldsBeforeIncludes(includeList, fieldsList);

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