static void setup(CommandLine line) throws NumberFormatException {
        if (line.hasOption("array_id")) {
            parameterNumber = Long.parseLong(line.getOptionValue("array_id"));
        }
        if (line.hasOption("database")) {
            databaseStem = line.getOptionValue("database");
        }
        if (line.hasOption("db_hostname")) {
            dbHostname = line.getOptionValue("db_hostname");
        }
        if (line.hasOption("db_port")) {
            dbPort = line.getOptionValue("db_port");
        }
    }