Package org.apache.avro.reflect

Examples of org.apache.avro.reflect.ReflectData

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    assertEquals(record, decoded);
  }

  @Test
  public void testRecordWithNullIO() throws IOException {
    ReflectData reflectData = ReflectData.AllowNull.get();
    Schema schm = reflectData.getSchema(AnotherSampleRecord.class);
    ReflectDatumWriter<AnotherSampleRecord> writer =
      new ReflectDatumWriter<AnotherSampleRecord>(schm);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    // keep record.a null and see if that works
    BinaryEncoder e = new BinaryEncoder(out);
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  public static class A { B1 b1; B2 b2; }
  public static interface C { void foo(A a); }

  @Test
  public void testForwardReference() {
    ReflectData data = ReflectData.get();
    Protocol reflected = data.getProtocol(C.class);
    Protocol reparsed = Protocol.parse(reflected.toString());
    assertEquals(reflected, reparsed);
    assert(reparsed.getTypes().contains(data.getSchema(A.class)));
    assert(reparsed.getTypes().contains(data.getSchema(B1.class)));
    assert(reparsed.getTypes().contains(data.getSchema(B2.class)));
    assert(reparsed.getTypes().contains(data.getSchema(X.class)));
  }
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    assertEquals(record, decoded);
  }

  @Test
  public void testRecordWithNull() throws IOException {
    ReflectData reflectData = ReflectData.AllowNull.get();
    Schema schm = reflectData.getSchema(AnotherSampleRecord.class);
    String prefix = getPrefix(AnotherSampleRecord.class);
    ReflectDatumWriter writer = new ReflectDatumWriter(schm);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    // keep record.a null and see if that works
    AnotherSampleRecord a = new AnotherSampleRecord();
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   */
  @Test
  public void testMultiReflectWithUnionBeforeWriting() throws IOException {
    FileOutputStream fos = new FileOutputStream(FILE);

    ReflectData reflectData = ReflectData.get();
    List<Schema> schemas = Arrays.asList(new Schema[] {
        reflectData.getSchema(FooRecord.class),
        reflectData.getSchema(BarRecord.class) });
    Schema union = Schema.createUnion(schemas);
    DataFileWriter<Object> writer = new DataFileWriter<Object>(union, fos,
        new ReflectDatumWriter(union));

    // test writing to a file
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   */
  @Test
  public void testMultiReflectWithUntionAfterWriting() throws IOException {
    FileOutputStream fos = new FileOutputStream(FILE);

    ReflectData reflectData = ReflectData.get();
    List<Schema> schemas = new ArrayList<Schema>();
    schemas.add(reflectData.getSchema(FooRecord.class));
    Schema union = Schema.createUnion(schemas);
    DataFileWriter<Object> writer = new DataFileWriter<Object>(union, fos,
        new ReflectDatumWriter(union));

    CheckList check = new CheckList();
    // write known type
    write(writer, new FooRecord(10), check);
    write(writer, new FooRecord(15), check);

    // we have a new type, add it to the file
    writer.addSchema(reflectData.getSchema(BarRecord.class));

    // test writing those new types to a file
    write(writer, new BarRecord("One beer please"), check);
    write(writer, new BarRecord("Two beers please"), check);

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   */
  @Test
  public void testNull() throws IOException {
    FileOutputStream fos = new FileOutputStream(FILE);

    ReflectData reflectData = ReflectData.AllowNull.get();
    Schema schema = reflectData.getSchema(BarRecord.class);
    DataFileWriter<Object> writer = new DataFileWriter<Object>(schema, fos,
        new ReflectDatumWriter(schema, reflectData));

    // test writing to a file
    CheckList check = new CheckList();
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    }

    switch (this.modeType) {
      case REFLECT:
        if (specificLoader != null) {
          return new ReflectDatumReader<T>(schema, schema, new ReflectData(specificLoader));
        } else {
          return new ReflectDatumReader<T>(schema);
        }
      case SPECIFIC:
        if (specificLoader != null) {
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  protected AvroDeserializer(Schema writerSchema, Schema readerSchema,
                             ClassLoader classLoader) {
    mWriterSchema = writerSchema;
    mReaderSchema = null != readerSchema ? readerSchema : writerSchema;
    mAvroDatumReader = new ReflectDatumReader<D>(mWriterSchema, mReaderSchema,
                                                 new ReflectData(classLoader));
  }
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   */
  @Test
  public void testMultiReflectWithUnionBeforeWriting() throws IOException {
    FileOutputStream fos = new FileOutputStream(FILE);

    ReflectData reflectData = ReflectData.get();
    List<Schema> schemas = Arrays.asList(new Schema[] {
        reflectData.getSchema(FooRecord.class),
        reflectData.getSchema(BarRecord.class) });
    Schema union = Schema.createUnion(schemas);
    DataFileWriter<Object> writer =
      new DataFileWriter<Object>(new ReflectDatumWriter<Object>(union))
      .create(union, fos);

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   */
  @Test
  public void testNull() throws IOException {
    FileOutputStream fos = new FileOutputStream(FILE);

    ReflectData reflectData = ReflectData.AllowNull.get();
    Schema schema = reflectData.getSchema(BarRecord.class);
    DataFileWriter<BarRecord> writer = new DataFileWriter<BarRecord>
      (new ReflectDatumWriter<BarRecord>(BarRecord.class, reflectData))
      .create(schema, fos);

    // test writing to a file
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  • org.apache.avro.hadoop.file.TestSortedKeyValueFile
  • org.apache.avro.hadoop.io.AvroDeserializer
  • org.apache.avro.hadoop.io.TestAvroSerialization
  • org.apache.avro.ipc.reflect.ReflectRequestor
  • org.apache.avro.ipc.reflect.ReflectResponder
  • org.apache.avro.mapreduce.TestAvroKeyRecordWriter
  • org.apache.avro.mapreduce.TestAvroKeyValueRecordWriter
  • org.apache.avro.Protocol
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