class MapperFieldName extends Mapper<LogFeederProps> {

  @Override
  public boolean init(String inputDesc, String fieldName, String mapClassCode, MapFieldDescriptor mapFieldDescriptor) {
    init(inputDesc, fieldName, mapClassCode);

    newValue = ((MapFieldNameDescriptor)mapFieldDescriptor).getNewFieldName();
    if (StringUtils.isEmpty(newValue)) {
      LOG.fatal("Map field value is empty.");
      return false;
    }
    return true;
  }

}