datafacer Csvfile {
 
 service setFileName(text fileName);
 service boolean hasNextRecord();
 service Csvrecord getNextRecord();
 
}

datafacer Csvrecord {

 service text getColumnAsText(int colNumber);
 service int getColumnAsInt(int colNumber);
 service real getColumnAsReal(int colNumber);
 service boolean getColumnAsBoolean(int colNumber);

}