public IList <int> Retrieve(string s, string e, string gra)
{
IList <int> _result = new List <int>();
DatetimeRegion _dateRegion = new DatetimeRegion(s, e, gra, m_pattern);
_result = searchByDateTimeRange(_dateRegion);
return(_result);
}
private List <int> searchByDateTimeRange(DatetimeRegion dateTimeRegion)
{
return(m_datas.Where(n => n.TimeStamp >= dateTimeRegion.Start && n.TimeStamp <= dateTimeRegion.End).Select(n => n.Id).ToList());
}