Examples with AvroSchemaConverter org.schemarepo.api.converter.AvroSchemaConverter used on opensource projects

Example 1 with AvroSchemaConverter

use of org.schemarepo.api.converter.AvroSchemaConverter in project druid by druid-io.

the class AvroStreamInputRowParserTest method testParse.

@Test
public void testParse() throws SchemaValidationException, IOException {
    // serde test
    Repository repository = new InMemoryRepository(null);
    AvroStreamInputRowParser parser = new AvroStreamInputRowParser(PARSE_SPEC, new SchemaRepoBasedAvroBytesDecoder<String, Integer>(new Avro1124SubjectAndIdConverter(TOPIC), repository));
    ByteBufferInputRowParser parser2 = jsonMapper.readValue(jsonMapper.writeValueAsString(parser), ByteBufferInputRowParser.class);
    repository = ((SchemaRepoBasedAvroBytesDecoder) ((AvroStreamInputRowParser) parser2).getAvroBytesDecoder()).getSchemaRepository();
    // prepare data
    GenericRecord someAvroDatum = buildSomeAvroDatum();
    // encode schema id
    Avro1124SubjectAndIdConverter converter = new Avro1124SubjectAndIdConverter(TOPIC);
    TypedSchemaRepository<Integer, Schema, String> repositoryClient = new TypedSchemaRepository<Integer, Schema, String>(repository, new IntegerConverter(), new AvroSchemaConverter(), new IdentityConverter());
    Integer id = repositoryClient.registerSchema(TOPIC, SomeAvroDatum.getClassSchema());
    ByteBuffer byteBuffer = ByteBuffer.allocate(4);
    converter.putSubjectAndId(TOPIC, id, byteBuffer);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    out.write(byteBuffer.array());
    // encode data
    DatumWriter<GenericRecord> writer = new GenericDatumWriter<GenericRecord>(someAvroDatum.getSchema());
    // write avro datum to bytes
    writer.write(someAvroDatum, EncoderFactory.get().directBinaryEncoder(out, null));
    InputRow inputRow = parser2.parse(ByteBuffer.wrap(out.toByteArray()));
    assertInputRowCorrect(inputRow);
}