public IEnumerable <decimal> GetLastNumericData(int n, string refDate, MarketNumericInfo infoToRetrieve)
{
//last market data, from which retrieve the numeric data
IEnumerable <MarketData> lastMData =
from d in Dates
where Dates.IndexOf(refDate) - Dates.IndexOf(d) < n
orderby d
select this[d];
IEnumerable <decimal> results = null;
switch (infoToRetrieve)
{
case MarketNumericInfo.AVGPRICE:
results =
from m in lastMData
select m.avgPrice;
break;
case MarketNumericInfo.CLOSEPRICE:
results =
from m in lastMData
select m.closePrice;
break;
case MarketNumericInfo.MARKETTYPE:
results =
from m in lastMData
select m.marketType;
break;
case MarketNumericInfo.MAXPRICE:
results =
from m in lastMData
select m.maxPrice;
break;
case MarketNumericInfo.MINPRICE:
results =
from m in lastMData
select m.minPrice;
break;
case MarketNumericInfo.NEGOTIATIONSNUMBER:
results =
from m in lastMData
select m.nOfNegotiations;
break;
case MarketNumericInfo.OPENPRICE:
results =
from m in lastMData
select m.openPrice;
break;
case MarketNumericInfo.PAPERSNUMBER:
results =
from m in lastMData
select m.nOfPapersTraded;
break;
case MarketNumericInfo.VOLUME:
results =
from m in lastMData
select m.volume;
break;
}
return(results);
}
public static decimal GetNumericInfo(string line, MarketNumericInfo infoToRetrieve)
{
int startPos = 0, finalPos = 0;
switch (infoToRetrieve)
{
case MarketNumericInfo.AVGPRICE:
startPos = 96;
finalPos = 108;
break;
case MarketNumericInfo.CLOSEPRICE:
startPos = 109;
finalPos = 121;
break;
case MarketNumericInfo.MAXPRICE:
startPos = 70;
finalPos = 82;
break;
case MarketNumericInfo.MINPRICE:
startPos = 83;
finalPos = 95;
break;
case MarketNumericInfo.OPENPRICE:
startPos = 57;
finalPos = 69;
break;
case MarketNumericInfo.NEGOTIATIONSNUMBER:
startPos = 148;
finalPos = 152;
break;
case MarketNumericInfo.PAPERSNUMBER:
startPos = 153;
finalPos = 170;
break;
case MarketNumericInfo.VOLUME:
startPos = 171;
finalPos = 188;
break;
case MarketNumericInfo.MARKETTYPE:
startPos = 25;
finalPos = 27;
break;
}
string str = ReadSubstring(line, startPos, finalPos).Trim();
decimal value = 0;
switch (infoToRetrieve)
{
case MarketNumericInfo.NEGOTIATIONSNUMBER:
case MarketNumericInfo.PAPERSNUMBER:
case MarketNumericInfo.MARKETTYPE:
value = decimal.Parse(str, new CultureInfo("pt-BR"));
break;
case MarketNumericInfo.VOLUME:
value = decimal.Parse(str.Substring(0, str.Length - 2) + "," + str.Substring(str.Length - 2), new CultureInfo("pt-BR"));
break;
default:
value = decimal.Parse(str.Substring(0, str.Length - 2) + "," + str.Substring(str.Length - 2), new CultureInfo("pt-BR"));
break;
}
return(value);
}
