private int HandleEmailSender(DataRecordCollection data, Options opts) { if ((opts & Options.EMAIL_DECREMENTAL_MODE) != 0) { return(email_sender.SendDecrementalEmails(data, exfilDestination)); } else if ((opts & Options.EMAIL_ONE_SHOT_MODE) != 0) { return(email_sender.SendAllRecords(data, exfilDestination)); } else { return(email_sender.Send(data, exfilDestination)); } }