public static baseDS.lastPriceDataDataTable GetLastPrice(AppTypes.PriceDataType type, string timeScaleCode, DateTime fromDate)
{
WriteLog(common.SysSeverityLevel.Informational, "", type.ToString() + " " + timeScaleCode + " " + fromDate.ToString());
try
{
switch (type)
{
case AppTypes.PriceDataType.High: return(lastPriceDataTA.GetHighSum(timeScaleCode, fromDate));
case AppTypes.PriceDataType.Low: return(lastPriceDataTA.GetLowSum(timeScaleCode, fromDate));
case AppTypes.PriceDataType.Close:
return(lastPriceDataTA.GetCloseSum(timeScaleCode, fromDate));
case AppTypes.PriceDataType.Open: return(lastPriceDataTA.GetOpenSum(timeScaleCode, fromDate));
case AppTypes.PriceDataType.Volume: return(lastPriceDataTA.GetVolumeSum(timeScaleCode, fromDate));
default:
WriteLog(common.SysSeverityLevel.Error, "DB004", "Invalid call to GetLastPrice()");
break;
}
}
catch (Exception er)
{
WriteLog(common.SysSeverityLevel.Error, "DB003", er);
}
return(null);
}
public static DataSeries GetData(databases.baseDS.priceDataDataTable dataTbl, int startIdx, AppTypes.PriceDataType type)
{
DataSeries ds = new DataSeries();
ds.Values = GetDataList(dataTbl, startIdx, type);
return(ds);
}
public static double[] GetDataList(databases.baseDS.priceDataDataTable dataTbl, int startIdx, int endIdx, AppTypes.PriceDataType type)
{
double[] data = new double[endIdx - startIdx + 1];
switch (type)
{
case AppTypes.PriceDataType.High:
for (int i = startIdx, j = 0; i <= endIdx; i++, j++)
{
if (dataTbl[i].RowState == System.Data.DataRowState.Deleted)
{
continue;
}
data[j] = (double)dataTbl[i].highPrice;
}
break;
case AppTypes.PriceDataType.Low:
for (int i = startIdx, j = 0; i <= endIdx; i++, j++)
{
if (dataTbl[i].RowState == System.Data.DataRowState.Deleted)
{
continue;
}
data[j] = (double)dataTbl[i].lowPrice;
}
break;
case AppTypes.PriceDataType.Open:
for (int i = startIdx, j = 0; i <= endIdx; i++, j++)
{
if (dataTbl[i].RowState == System.Data.DataRowState.Deleted)
{
continue;
}
data[j] = (double)dataTbl[i].openPrice;
}
break;
case AppTypes.PriceDataType.Close:
for (int i = startIdx, j = 0; i <= endIdx; i++, j++)
{
if (dataTbl[i].RowState == System.Data.DataRowState.Deleted)
{
continue;
}
data[j] = (double)dataTbl[i].closePrice;
}
break;
case AppTypes.PriceDataType.Volume:
for (int i = startIdx, j = 0; i <= endIdx; i++, j++)
{
if (dataTbl[i].RowState == System.Data.DataRowState.Deleted)
{
continue;
}
data[j] = (double)dataTbl[i].volume;
}
break;
case AppTypes.PriceDataType.DateTime:
for (int i = startIdx, j = 0; i <= endIdx; i++, j++)
{
if (dataTbl[i].RowState == System.Data.DataRowState.Deleted)
{
continue;
}
data[j] = dataTbl[i].onDate.ToOADate();
}
break;
default:
common.system.ThrowException("Invalid dataField in MakeDataList()"); break;
}
return(data);
}
public static double[] GetDataList(databases.baseDS.priceDataDataTable dataTbl, int startIdx, AppTypes.PriceDataType type)
{
return(GetDataList(dataTbl, startIdx, dataTbl.Count - 1, type));
}
