Package org.apache.avro.io

Examples of org.apache.avro.io.Decoder

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    public Object unmarshal(Exchange exchange, InputStream inputStream) throws Exception {
        ObjectHelper.notNull(actualSchema, "schema", this);

        DatumReader<GenericRecord> reader = new SpecificDatumReader<GenericRecord>(actualSchema);
        Decoder decoder = DecoderFactory.get().binaryDecoder(inputStream, null);
        Object result = reader.read(null, decoder);
        return result;
    }
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    final ByteArrayInputStream inputStream = new ByteArrayInputStream( data );
    final int majorVersion = inputStream.read();
    final int minorVersion = inputStream.read();
    final Protocol protocol = protocols.getProtocol( majorVersion, minorVersion );

    Decoder decoder = DecoderFactory.get().binaryDecoder( inputStream, null );
    GenericDatumReader<GenericRecord> reader = new GenericDatumReader<GenericRecord>( protocol.getType( "Message" ) );
    GenericRecord result;
    try {
      result = reader.read( null, decoder );
    }
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    writer.write(datum, encoder);
    encoder.flush();
    byte[] data = out.toByteArray();

    reader.setSchema(schema);
    Decoder decoder = new JsonDecoder(schema, new ByteArrayInputStream(data));
    Object decoded = reader.read(null, decoder);
    assertEquals("Decoded data does not match.", datum, decoded);

    decoded = reader.read(decoded, decoder);
    assertEquals("Decoded data does not match.", datum, decoded);
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    DatumWriter<Object> writer = new GenericDatumWriter<Object>(actual);
    Encoder encoder = new BinaryEncoder(out);
    writer.write("Y", encoder);
    writer.write("X", encoder);
    byte[] data = out.toByteArray();
    Decoder decoder = DecoderFactory.defaultFactory().createBinaryDecoder(
        data, null);
    DatumReader<String> in = new GenericDatumReader<String>(actual, expected);
    assertEquals("Wrong value", "Y", in.read(null, decoder));
    try {
      in.read(null, decoder);
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    writer.write(b, e);
    e.flush();
    ReflectDatumReader<AnotherSampleRecord> reader =
      new ReflectDatumReader<AnotherSampleRecord>(schm);
    ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
    Decoder d = DecoderFactory.defaultFactory().createBinaryDecoder(in, null);
    AnotherSampleRecord decoded = reader.read(null, d);
    assertEquals(a, decoded);
    decoded = reader.read(null, d);
    assertEquals(b, decoded);
  }
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    writer.write(datum, encoder);
    encoder.flush();
    byte[] data = out.toByteArray();

    reader.setSchema(schema);
    Decoder decoder = DecoderFactory.get().jsonDecoder(schema,
        new ByteArrayInputStream(data));
    Object decoded = reader.read(null, decoder);
    assertEquals("Decoded data does not match.", datum, decoded);

    decoded = reader.read(decoded, decoder);
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    writer.write(node, encoder);
    encoder.flush();
    byte[] bytes = out.toByteArray();

    DatumReader<JsonNode> reader = new Json.Reader();
    Decoder decoder = DecoderFactory.get().binaryDecoder(bytes, null);
    decoder = DecoderFactory.get().validatingDecoder(Json.SCHEMA, decoder);
    JsonNode decoded = reader.read(null, decoder);

    assertEquals("Decoded json does not match.", node.toString(), decoded.toString());
  }
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    Encoder encoder = EncoderFactory.get().directBinaryEncoder(out, null);
    writer.write(new GenericData.EnumSymbol(actual, "Y"), encoder);
    writer.write(new GenericData.EnumSymbol(actual, "X"), encoder);
    encoder.flush();
    byte[] data = out.toByteArray();
    Decoder decoder = DecoderFactory.get().binaryDecoder(
        data, null);
    DatumReader<String> in = new GenericDatumReader<String>(actual, expected);
    assertEquals("Wrong value", new GenericData.EnumSymbol(expected, "Y"),
                 in.read(null, decoder));
    try {
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  }

  /** Called by a server to deserialize a request, compute and serialize
   * a response or error. */
  public List<ByteBuffer> respond(List<ByteBuffer> buffers) throws IOException {
    Decoder in = DecoderFactory.defaultFactory().createBinaryDecoder(
        new ByteBufferInputStream(buffers), null);
    ByteBufferOutputStream bbo = new ByteBufferOutputStream();
    Encoder out = new BinaryEncoder(bbo);
    AvroRemoteException error = null;
    RPCContext context = new RPCContext();
    try {
      Protocol remote = handshake(in, out);
      if (remote == null)                        // handshake failed
        return bbo.getBufferList();

      // read request using remote protocol specification
      context.setRequestCallMeta(META_READER.read(null, in));
      String messageName = in.readString(null).toString();
      Message m = remote.getMessages().get(messageName);
      if (m == null)
        throw new AvroRuntimeException("No such remote message: "+messageName);
     
      context.setMessage(m);
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    public Object unmarshal(Exchange exchange, InputStream inputStream) throws Exception {
        ObjectHelper.notNull(actualSchema, "schema", this);

        DatumReader<GenericRecord> reader = new SpecificDatumReader<GenericRecord>(actualSchema);
        Decoder decoder = DecoderFactory.get().binaryDecoder(inputStream, null);
        Object result = reader.read(null, decoder);
        return result;
    }
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  • avrobase.file.FABTest
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  • com.cloudera.cdk.data.hbase.avro.AvroKeySerDe
  • com.cloudera.cdk.data.hbase.avro.AvroUtils
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