code: protected void setJoin(String[] masterLabels, String masterColumn, String dataColumn,
                             String masterSeparator, boolean regex, List<String> masterData) {
          setSimpleJoin(masterLabels, masterColumn, dataColumn, masterSeparator, regex, masterData);
      }
docs: This method is to determine automatically join the Simple and Big.
  @param masterLabels label of master data
  @param masterColumn master column
  @param dataColumn data column
  @param masterSeparator separator
  @param regex master join is regex
  @param masterData master data