private void serializeColumn()

in java/tsfile/src/main/java/org/apache/tsfile/write/record/Tablet.java [727:791]
64 lines of code
21 McCabe index (conditional complexity)

  private void serializeColumn(
      TSDataType dataType, Object column, DataOutputStream stream, ColumnCategory columnCategory)
      throws IOException {
    ReadWriteIOUtils.write(BytesUtils.boolToByte(column != null), stream);

    if (column != null) {
      switch (dataType) {
        case INT32:
          int[] intValues = (int[]) column;
          for (int j = 0; j < rowSize; j++) {
            ReadWriteIOUtils.write(intValues[j], stream);
          }
          break;
        case DATE:
          LocalDate[] dateValues = (LocalDate[]) column;
          for (int j = 0; j < rowSize; j++) {
            ReadWriteIOUtils.write(
                dateValues[j] == null
                    ? DateUtils.EMPTY_DATE_INT
                    : DateUtils.parseDateExpressionToInt(dateValues[j]),
                stream);
          }
          break;
        case INT64:
        case TIMESTAMP:
          long[] longValues = (long[]) column;
          for (int j = 0; j < rowSize; j++) {
            ReadWriteIOUtils.write(longValues[j], stream);
          }
          break;
        case FLOAT:
          float[] floatValues = (float[]) column;
          for (int j = 0; j < rowSize; j++) {
            ReadWriteIOUtils.write(floatValues[j], stream);
          }
          break;
        case DOUBLE:
          double[] doubleValues = (double[]) column;
          for (int j = 0; j < rowSize; j++) {
            ReadWriteIOUtils.write(doubleValues[j], stream);
          }
          break;
        case BOOLEAN:
          boolean[] boolValues = (boolean[]) column;
          for (int j = 0; j < rowSize; j++) {
            ReadWriteIOUtils.write(BytesUtils.boolToByte(boolValues[j]), stream);
          }
          break;
        case TEXT:
        case STRING:
        case BLOB:
          Binary[] binaryValues = (Binary[]) column;
          for (int j = 0; j < rowSize; j++) {
            ReadWriteIOUtils.write(BytesUtils.boolToByte(binaryValues[j] != null), stream);
            if (binaryValues[j] != null) {
              ReadWriteIOUtils.write(binaryValues[j], stream);
            }
          }
          break;
        default:
          throw new UnSupportedDataTypeException(
              String.format("Data type %s is not supported.", dataType));
      }
    }
  }