class MapperFieldCopy extends Mapper<LogFeederProps> {

  @Override
  public boolean init(String inputDesc, String fieldName, String mapClassCode, MapFieldDescriptor mapFieldDescriptor) {
    init(inputDesc, fieldName, mapClassCode);
    copyName = ((MapFieldCopyDescriptor)mapFieldDescriptor).getCopyName();
    if (StringUtils.isEmpty(copyName)) {
      LOG.fatal("Map copy name is empty.");
      return false;
    }
    return true;
  }

}