public DataNavigate_Code2(IDataReader dataReader, string code, double time)
{
int openDate = dataReader.CreateTradingTimeReader(code).GetRecentTradingDay(time);
ITradingDayReader tradingDayReader = dataReader.TradingDayReader;
int index = dataReader.TradingDayReader.GetTradingDayIndex(openDate);
//默认取前100天，后50天数据
int startIndex = index - 100;
startIndex = startIndex < 0 ? 0 : startIndex;
int startDate = tradingDayReader.GetTradingDay(startIndex);
int endIndex = index + 50;
if (endIndex >= tradingDayReader.GetAllTradingDays().Count)
{
endIndex = tradingDayReader.GetAllTradingDays().Count - 1;
}
int endDate = tradingDayReader.GetTradingDay(endIndex);
this.dataPackage = DataPackageFactory.CreateDataPackage(dataReader, code, startDate, endDate);
this.NavigateTo(time);
}
internal static IDataPackage_Code CreateDataPackage(IDataReader dataReader, string code, int openDate, int beforeDays, int afterDays, int minKlineBefore, int minKlineAfter)
{
ITradingTimeReader_Code tradingTimeReader = dataReader.CreateTradingTimeReader(code);
ITradingDayReader tradingDayReader = dataReader.TradingDayReader;
int index = dataReader.TradingDayReader.GetTradingDayIndex(openDate);
int startIndex = index - beforeDays;
startIndex = startIndex < 0 ? 0 : startIndex;
int startDate = tradingDayReader.GetTradingDay(startIndex);
startDate = tradingTimeReader.GetRecentTradingDay(startDate, true);
int endIndex = index + afterDays;
if (endIndex >= tradingDayReader.GetAllTradingDays().Count)
{
endIndex = tradingDayReader.GetAllTradingDays().Count - 1;
}
int endDate = tradingDayReader.GetTradingDay(endIndex);
//endDate = tradingTimeReader.GetRecentTradingDay(endDate, false);
return(CreateDataPackage(dataReader, code, startDate, endDate, minKlineBefore, minKlineAfter));
}