Examples of GenericData

com.google.api.client.util.GenericData
Generic data that stores all unknown data key name/value pairs.
Subclasses can declare fields for known data keys using the {@link Key} annotation. Each fieldcan be of any visibility (private, package private, protected, or public) and must not be static. {@code null} unknown data key names are not allowed, but {@code null} data values are allowed.

Iteration order of the data keys is based on the sorted (ascending) key names of the declared fields, followed by the iteration order of all of the unknown data key name/value pairs.

Implementation is not thread-safe. For a thread-safe choice instead use an implementation of {@link ConcurrentMap}.
@since 1.0 @author Yaniv Inbar
org.apache.avro.generic.GenericData
Utilities for generic Java data.

Examples of org.apache.avro.generic.GenericData

   * @return A deserializer for objects of class <code>c</code>.
   */
  @Override
  public Deserializer<AvroWrapper<T>> getDeserializer(Class<AvroWrapper<T>> c) {
    Configuration conf = getConf();
    GenericData dataModel = createDataModel(conf);
    if (AvroKey.class.isAssignableFrom(c)) {
      Schema writerSchema = getKeyWriterSchema(conf);
      Schema readerSchema = getKeyReaderSchema(conf);
      DatumReader<T> datumReader = (readerSchema != null)
        ? dataModel.createDatumReader(writerSchema, readerSchema)
        : dataModel.createDatumReader(writerSchema);
      return new AvroKeyDeserializer<T>(writerSchema, readerSchema, datumReader);
    } else if (AvroValue.class.isAssignableFrom(c)) {
      Schema writerSchema = getValueWriterSchema(conf);
      Schema readerSchema = getValueReaderSchema(conf);
      DatumReader<T> datumReader = (readerSchema != null)
        ? dataModel.createDatumReader(writerSchema, readerSchema)
        : dataModel.createDatumReader(writerSchema);
      return new AvroValueDeserializer<T>(writerSchema, readerSchema, datumReader);
    } else {
      throw new IllegalStateException("Only AvroKey and AvroValue are supported.");
    }
  }

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Examples of org.apache.avro.generic.GenericData

    } else if (AvroValue.class.isAssignableFrom(c)) {
      schema = getValueWriterSchema(conf);
    } else {
      throw new IllegalStateException("Only AvroKey and AvroValue are supported.");
    }
    GenericData dataModel = createDataModel(conf);
    DatumWriter<T> datumWriter = dataModel.createDatumWriter(schema);
    return new AvroSerializer<T>(schema, datumWriter);
  }

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Examples of org.apache.avro.generic.GenericData

  public static Class<? extends GenericData> getDataModelClass(Configuration conf) {
    return conf.getClass(CONF_DATA_MODEL, ReflectData.class, GenericData.class);
  }


  private static GenericData newDataModelInstance(Class<? extends GenericData> modelClass, Configuration conf) {
    GenericData dataModel;
    try {
      Constructor<? extends GenericData> ctor = modelClass.getDeclaredConstructor(ClassLoader.class);
      ctor.setAccessible(true);
      dataModel = ctor.newInstance(conf.getClassLoader());
    } catch (Exception e) {

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Examples of org.apache.avro.generic.GenericData

  }


  @Test public void testUnionWithCollection() {
    Schema s = Schema.parse
      ("[\"null\", {\"type\":\"array\",\"items\":\"float\"}]");
    GenericData data = ReflectData.get();
    assertEquals(1, data.resolveUnion(s, new ArrayList<Float>()));
  }

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Examples of org.apache.avro.generic.GenericData

    assertEquals(1, data.resolveUnion(s, new ArrayList<Float>()));
  }


  @Test public void testUnionWithBytes() {
    Schema s = Schema.parse ("[\"null\", \"bytes\"]");
    GenericData data = ReflectData.get();
    assertEquals(1, data.resolveUnion(s, ByteBuffer.wrap(new byte[]{1})));
  }

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Examples of org.apache.avro.generic.GenericData

  }


  @Test public void testUnionWithCollection() {
    Schema s = new Schema.Parser().parse
      ("[\"null\", {\"type\":\"array\",\"items\":\"float\"}]");
    GenericData data = ReflectData.get();
    assertEquals(1, data.resolveUnion(s, new ArrayList<Float>()));
  }

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Examples of org.apache.avro.generic.GenericData

  }


  @Test public void testUnionWithMap() {
    Schema s = new Schema.Parser().parse
      ("[\"null\", {\"type\":\"map\",\"values\":\"float\"}]");
    GenericData data = ReflectData.get();
    assertEquals(1, data.resolveUnion(s, new HashMap<String,Float>()));
  }

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Examples of org.apache.avro.generic.GenericData

    assertEquals(1, data.resolveUnion(s, new HashMap<String,Float>()));
  }


  @Test public void testUnionWithBytes() {
    Schema s = new Schema.Parser().parse ("[\"null\", \"bytes\"]");
    GenericData data = ReflectData.get();
    assertEquals(1, data.resolveUnion(s, ByteBuffer.wrap(new byte[]{1})));
  }

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Examples of org.apache.avro.generic.GenericData

  }


  @Test public void testUnionWithCollection() {
    Schema s = Schema.parse
      ("[\"null\", {\"type\":\"array\",\"items\":\"float\"}]");
    GenericData data = ReflectData.get();
    assertEquals(1, data.resolveUnion(s, new ArrayList<Float>()));
  }

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Examples of org.apache.avro.generic.GenericData

  }


  @Test public void testUnionWithMap() {
    Schema s = Schema.parse
      ("[\"null\", {\"type\":\"map\",\"values\":\"float\"}]");
    GenericData data = ReflectData.get();
    assertEquals(1, data.resolveUnion(s, new HashMap<String,Float>()));
  }

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