public void serializeData()

in java/tsfile/src/main/java/org/apache/tsfile/read/common/DescReadWriteBatchData.java [420:510]
91 lines of code
31 McCabe index (conditional complexity)

  public void serializeData(DataOutputStream outputStream) throws IOException {
    switch (dataType) {
      case BOOLEAN:
        for (int i = length() - 1; i >= 0; i--) {
          outputStream.writeLong(getTimeByIndex(i));
          outputStream.writeBoolean(getBooleanByIndex(i));
        }
        break;
      case DOUBLE:
        for (int i = length() - 1; i >= 0; i--) {
          outputStream.writeLong(getTimeByIndex(i));
          outputStream.writeDouble(getDoubleByIndex(i));
        }
        break;
      case FLOAT:
        for (int i = length() - 1; i >= 0; i--) {
          outputStream.writeLong(getTimeByIndex(i));
          outputStream.writeFloat(getFloatByIndex(i));
        }
        break;
      case TEXT:
      case BLOB:
      case STRING:
        for (int i = length() - 1; i >= 0; i--) {
          outputStream.writeLong(getTimeByIndex(i));
          Binary binary = getBinaryByIndex(i);
          outputStream.writeInt(binary.getLength());
          outputStream.write(binary.getValues());
        }
        break;
      case INT64:
      case TIMESTAMP:
        for (int i = length() - 1; i >= 0; i--) {
          outputStream.writeLong(getTimeByIndex(i));
          outputStream.writeLong(getLongByIndex(i));
        }
        break;
      case INT32:
      case DATE:
        for (int i = length() - 1; i >= 0; i--) {
          outputStream.writeLong(getTimeByIndex(i));
          outputStream.writeInt(getIntByIndex(i));
        }
        break;
      case VECTOR:
        for (int i = length() - 1; i >= 0; i--) {
          outputStream.writeLong(getTimeByIndex(i));
          TsPrimitiveType[] values = getVectorByIndex(i);
          outputStream.writeInt(values.length);
          for (TsPrimitiveType value : values) {
            if (value == null) {
              outputStream.write(0);
            } else {
              outputStream.write(1);
              outputStream.write(value.getDataType().serialize());
              switch (value.getDataType()) {
                case BOOLEAN:
                  outputStream.writeBoolean(value.getBoolean());
                  break;
                case DOUBLE:
                  outputStream.writeDouble(value.getDouble());
                  break;
                case FLOAT:
                  outputStream.writeFloat(value.getFloat());
                  break;
                case TEXT:
                case BLOB:
                case STRING:
                  Binary binary = value.getBinary();
                  outputStream.writeInt(binary.getLength());
                  outputStream.write(binary.getValues());
                  break;
                case INT64:
                case TIMESTAMP:
                  outputStream.writeLong(value.getLong());
                  break;
                case INT32:
                case DATE:
                  outputStream.writeInt(value.getInt());
                  break;
                default:
                  throw new UnSupportedDataTypeException(String.valueOf(dataType));
              }
            }
          }
        }
        break;
      default:
        throw new UnSupportedDataTypeException(String.valueOf(dataType));
    }
  }