Package org.apache.avro.generic.GenericData

Examples of org.apache.avro.generic.GenericData.Record

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  @Test
  public void testGeneric() throws IOException {
    String genericSchemaJson = Person.SCHEMA$.toString().replace("Person", "GenericPerson");
    Schema genericPersonSchema = new Schema.Parser().parse(genericSchemaJson);
    GenericRecord savedRecord = new Record(genericPersonSchema);
    savedRecord.put("name", "John Doe");
    savedRecord.put("age", 42);
    savedRecord.put("siblingnames", Lists.newArrayList("Jimmy", "Jane"));
    populateGenericFile(Lists.newArrayList(savedRecord), genericPersonSchema);

    Pipeline pipeline = new MRPipeline(TrevniFileSourceTargetIT.class, tmpDir.getDefaultConfiguration());
    PCollection<Record> genericCollection = pipeline.read(new TrevniKeySource(new Path(avroFile.getAbsolutePath()),
        Avros.generics(genericPersonSchema)));
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  @Test
  public void testReflect() throws IOException {
    AvroType<StringWrapper> strType = Avros.reflects (StringWrapper.class);
    Schema schema = strType.getSchema();
    GenericRecord savedRecord = new Record(schema);
    savedRecord.put("value", "stringvalue");
    populateGenericFile(Lists.newArrayList(savedRecord), schema);

    Pipeline pipeline = new MRPipeline(TrevniFileSourceTargetIT.class, tmpDir.getDefaultConfiguration());
    PCollection<StringWrapper> stringValueCollection = pipeline.read(new TrevniKeySource(new Path(avroFile.getAbsolutePath()),
        strType));
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    writer.close();
  }

  @Test
  public void testSpecific() throws IOException {
    GenericRecord savedRecord = new Record(Person.SCHEMA$);
    savedRecord.put("name", "John Doe");
    savedRecord.put("age", 42);
    savedRecord.put("siblingnames", Lists.newArrayList("Jimmy", "Jane"));
    populateGenericFile(Lists.newArrayList(savedRecord), Person.SCHEMA$);

    Pipeline pipeline = new MRPipeline(AvroParquetFileSourceTargetIT.class, tmpDir.getDefaultConfiguration());
    PCollection<Person> genericCollection = pipeline.read(new AvroParquetFileSource<Person>(new Path(avroFile.getAbsolutePath()),
        Avros.records(Person.class)));
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  @Test
  public void testGeneric() throws IOException {
    String genericSchemaJson = Person.SCHEMA$.toString().replace("Person", "GenericPerson");
    Schema genericPersonSchema = new Schema.Parser().parse(genericSchemaJson);
    GenericRecord savedRecord = new Record(genericPersonSchema);
    savedRecord.put("name", "John Doe");
    savedRecord.put("age", 42);
    savedRecord.put("siblingnames", Lists.newArrayList("Jimmy", "Jane"));
    populateGenericFile(Lists.newArrayList(savedRecord), genericPersonSchema);

    Pipeline pipeline = new MRPipeline(AvroParquetFileSourceTargetIT.class, tmpDir.getDefaultConfiguration());
    PCollection<Record> genericCollection = pipeline.read(new AvroParquetFileSource<Record>(new Path
        (avroFile.getAbsolutePath()),
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    assertEquals(Lists.newArrayList(savedRecord), Lists.newArrayList(recordList));
  }
 
  @Test
  public void testProjectionSpecific() throws IOException {
    GenericRecord savedRecord = new Record(Person.SCHEMA$);
    savedRecord.put("name", "John Doe");
    savedRecord.put("age", 42);
    savedRecord.put("siblingnames", Lists.newArrayList("Jimmy", "Jane"));
    populateGenericFile(Lists.newArrayList(savedRecord), Person.SCHEMA$);

    Pipeline pipeline = new MRPipeline(AvroParquetFileSourceTargetIT.class, tmpDir.getDefaultConfiguration());
    PCollection<Person> genericCollection = pipeline.read(
        AvroParquetFileSource.builder(Person.class)
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    }
  }

  @Test(expected = IndexOutOfBoundsException.class)
  public void testProjectionGeneric() throws IOException {
    GenericRecord savedRecord = new Record(Person.SCHEMA$);
    savedRecord.put("name", "John Doe");
    savedRecord.put("age", 42);
    savedRecord.put("siblingnames", Lists.newArrayList("Jimmy", "Jane"));
    populateGenericFile(Lists.newArrayList(savedRecord), Person.SCHEMA$);

    AvroParquetFileSource<GenericRecord> src = AvroParquetFileSource.builder(Person.SCHEMA$)
        .includeField("age")
        .build(new Path(avroFile.getAbsolutePath()));
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    }
  }

  @Test
  public void testProjectionFiltered() throws IOException {
    GenericRecord savedRecord = new Record(Person.SCHEMA$);
    savedRecord.put("name", "John Doe");
    savedRecord.put("age", 42);
    savedRecord.put("siblingnames", Lists.newArrayList("Jimmy", "Jane"));
    populateGenericFile(Lists.newArrayList(savedRecord), Person.SCHEMA$);

    Pipeline pipeline = new MRPipeline(AvroParquetFileSourceTargetIT.class, tmpDir.getDefaultConfiguration());
    PCollection<Person> genericCollection = pipeline.read(
        AvroParquetFileSource.builder(Person.class)
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    return this;
  }
 
  @Override
  public Record build() {
    Record record;
    try {
      record = new GenericData.Record(schema());
    } catch (Exception e) {
      throw new AvroRuntimeException(e);
    }
   
    for (Field field : fields()) {
      Object value;
      try {
        value = getWithDefault(field);
      } catch(IOException e) {
        throw new AvroRuntimeException(e);
      }
      if (value != null) {
        record.put(field.pos(), value);
      }
    }
   
    return record;
  }
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    return this;
  }
 
  @Override
  public Record build() {
    Record record;
    try {
      record = new GenericData.Record(schema());
    } catch (Exception e) {
      throw new AvroRuntimeException(e);
    }
   
    for (Field field : fields()) {
      Object value;
      try {
        value = getWithDefault(field);
      } catch(IOException e) {
        throw new AvroRuntimeException(e);
      }
      if (value != null) {
        record.put(field.pos(), value);
      }
    }
   
    return record;
  }
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    ByteArrayOutputStream b1 = new ByteArrayOutputStream(5);
    ByteArrayOutputStream b2 = new ByteArrayOutputStream(5);
    BinaryEncoder b1Enc = EncoderFactory.get().binaryEncoder(b1, null);
    BinaryEncoder b2Enc = EncoderFactory.get().binaryEncoder(b2, null);
    // Prepare two different datums
    Record testDatum1 = new Record(record);
    testDatum1.put(0, 1);
    Record testDatum2 = new Record(record);
    testDatum2.put(0, 2);
    GenericDatumWriter<Record> gWriter = new GenericDatumWriter<Record>(record);
    Integer start1 = 0, start2 = 0;
    try {
      // Write two datums in each stream
      // and get the offset length after the first write in each.
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