Beispiel #1
0
  /**
   * Encodes given object to a byte array and returns flags that describe the type of serialized
   * object.
   *
   * @param obj Object to serialize.
   * @param out Output stream to which object should be written.
   * @return Serialization flags.
   * @throws GridException If JDK serialization failed.
   */
  private int encodeObj(Object obj, ByteArrayOutputStream out) throws GridException {
    int flags = 0;

    byte[] data = null;

    if (obj instanceof String) {
      data = ((String) obj).getBytes();
    } else if (obj instanceof Boolean) {
      data = new byte[] {(byte) ((Boolean) obj ? '1' : '0')};

      flags |= BOOLEAN_FLAG;
    } else if (obj instanceof Integer) {
      data = U.intToBytes((Integer) obj);

      flags |= INT_FLAG;
    } else if (obj instanceof Long) {
      data = U.longToBytes((Long) obj);

      flags |= LONG_FLAG;
    } else if (obj instanceof Date) {
      data = U.longToBytes(((Date) obj).getTime());

      flags |= DATE_FLAG;
    } else if (obj instanceof Byte) {
      data = new byte[] {(Byte) obj};

      flags |= BYTE_FLAG;
    } else if (obj instanceof Float) {
      data = U.intToBytes(Float.floatToIntBits((Float) obj));

      flags |= FLOAT_FLAG;
    } else if (obj instanceof Double) {
      data = U.longToBytes(Double.doubleToLongBits((Double) obj));

      flags |= DOUBLE_FLAG;
    } else if (obj instanceof byte[]) {
      data = (byte[]) obj;

      flags |= BYTE_ARR_FLAG;
    } else {
      jdkMarshaller.marshal(obj, out);

      flags |= SERIALIZED_FLAG;
    }

    if (data != null) out.write(data, 0, data.length);

    return flags;
  }
  /**
   * Converts message to bytes to send over network.
   *
   * @return Bytes representing this packet.
   */
  public byte[] toBytes() {
    byte[] buf = new byte[PACKET_SIZE];

    int off = 0;

    off = U.longToBytes(origNodeId.getLeastSignificantBits(), buf, off);
    off = U.longToBytes(origNodeId.getMostSignificantBits(), buf, off);

    off = U.longToBytes(targetNodeId.getLeastSignificantBits(), buf, off);
    off = U.longToBytes(targetNodeId.getMostSignificantBits(), buf, off);

    off = U.longToBytes(origTs, buf, off);

    off = U.longToBytes(replyTs, buf, off);

    assert off == PACKET_SIZE;

    return buf;
  }