code: protected void processField(Row row, String fieldIDColumn, String entityIDColumn, Object value)
     {
        processField(row, fieldIDColumn, row.getInteger(entityIDColumn), value);
     }
docs: Generic method to process an extended attribute field.
  
  @param row extended attribute data
  @param fieldIDColumn column containing the field ID
  @param entityIDColumn column containing the entity ID
  @param value field value