Package org.apache.avro.io

Examples of org.apache.avro.io.BinaryDecoder

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     *
     * @throws IOException if deserialization failed
     */
    public static <T extends SpecificRecord> T deserializeAvro(org.apache.avro.Schema writer, ByteBuffer bytes, T ob) throws IOException
    {
        BinaryDecoder dec = DIRECT_DECODERS.createBinaryDecoder(ByteBufferUtil.getArray(bytes), null);
        SpecificDatumReader<T> reader = new SpecificDatumReader<T>(writer);
        reader.setExpected(ob.getSchema());
        return reader.read(ob, dec);
    }
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      out.writeInt(0);                              // empty metadata
      out.writeString("");                          // bogus message name
      List<ByteBuffer> response =
        getTransceiver().transceive(bbo.getBufferList());
      ByteBufferInputStream bbi = new ByteBufferInputStream(response);
      BinaryDecoder in =
        DecoderFactory.get().binaryDecoder(bbi, null);
      readHandshake(in);
      return this.remote;
    } finally {
      handshakeLock.unlock();
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    @Override
    @SuppressWarnings("unchecked")
    public void handleResult(List<ByteBuffer> responseBytes) {
      ByteBufferInputStream bbi = new ByteBufferInputStream(responseBytes);
      BinaryDecoder in = DecoderFactory.get().binaryDecoder(bbi, null);
      try {
        if (!readHandshake(in)) {
          // Resend the handshake and return
          Request handshake = new Request(request);
          getTransceiver().transceive
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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 = new BinaryDecoder(new ByteBufferInputStream(buffers));
    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);
     
      Object request = readRequest(m.getRequest(), in);
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      List<ByteBuffer> response =                 // transceive
        getTransceiver().transceive(bbo.getBufferList());
     
      ByteBufferInputStream bbi = new ByteBufferInputStream(response);
      in = new BinaryDecoder(bbi);
    } while (!readHandshake(in));

    // use remote protocol to read response
    m = getRemote().getMessages().get(messageName);
    if (m == null)
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    record.x = 5;
    record.y = 10;
    writer.write(record, new BinaryEncoder(out));
    ReflectDatumReader reader = new ReflectDatumReader(schm);
    Object decoded =
      reader.read(null, new BinaryDecoder
                  (new ByteArrayInputStream(out.toByteArray())));
    assertEquals(record, decoded);
  }
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    writer.write(a, new BinaryEncoder(out));
    AnotherSampleRecord b = new AnotherSampleRecord(10);
    writer.write(b, new BinaryEncoder(out));
    ReflectDatumReader reader = new ReflectDatumReader(schm);
    ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
    Object decoded = reader.read(null, new BinaryDecoder(in));
    assertEquals(a, decoded);
    decoded = reader.read(null, new BinaryDecoder(in));
    assertEquals(b, decoded);
  }
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    byte[] data = out.toByteArray();

    reader.setSchema(schema);
       
    Object decoded =
      reader.read(null, new BinaryDecoder(new ByteArrayInputStream(data)));
     
    assertEquals("Decoded data does not match.", datum, decoded);
  }
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    +"\"type\":"+schemaJson+", "
    +"\"default\":"+defaultJson+"}]}";
    Schema expected = Schema.parse(recordJson);
    DatumReader in = new GenericDatumReader(ACTUAL, expected);
    GenericData.Record record = (GenericData.Record)
      in.read(null, new BinaryDecoder(new ByteArrayInputStream(new byte[0])));
    assertEquals("Wrong default.", defaultValue, record.get("f"));
    assertEquals("Wrong toString", expected, Schema.parse(expected.toString()));
  }
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    long length = in.length();
    in.seek(length-4);
    int footerSize=(in.read()<<24)+(in.read()<<16)+(in.read()<<8)+in.read();
    in.seek(length-footerSize);
    this.vin = new BinaryDecoder(in);
    long l = vin.readMapStart();
    if (l > 0) {
      do {
        for (long i = 0; i < l; i++) {
          String key = vin.readString(null).toString();
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