public override void GetQuotesEx(string ticker, ref QuotationArray quotes)
{
if (firstGetQuotesExCall)
{
periodicity = quotes.Periodicity;
firstGetQuotesExCall = false;
}
try
{
var tickerData = tickers.RegisterTicker(ticker);
if (tickerData.QuoteDataStatus == QuoteDataStatus.Offline)
{
tickerData.MarkTickerForGetQuotes(periodicity);
return;
}
if (tickerData.QuoteDataStatus != QuoteDataStatus.Online)
{
return;
}
lock (tickerData)
{
quotes.Merge(tickerData.Quotes);
}
}
catch (Exception ex)
{
LogAndMessage.LogAndQueue(MessageType.Error, "Failed to subscribe to quote update: " + ex);
}
}
public void GetQuotesEx(string ticker, ref QuotationArray quotes)
{
// save database periodicity at the very first call
if (!firstGetQuotesExCall)
{
periodicity = quotes.Periodicity;
firstGetQuotesExCall = true;
}
try
{
TickerData tickerData = tickers.GetTickerData(ticker);
// if ticker is not yet known (first time to use in charts and no RT window use)
if (tickerData == null)
{
tickerData = tickers.RegisterTicker(ticker);
}
if (tickerData.QuoteDataStatus == QuoteDataStatus.Offline)
{
// mark it for periodic Quotation data update
tickerData.MarkTickerForGetQuotes(periodicity);
// we do not want to run data refresh on AB's thread...
// we also want async processing of historical data download...
if (connected)
{
EnqueueTickerForRefresh(ticker);
}
}
lock (tickerData)
{
// merge downloaded data to AB's quotation array
quotes.Merge(tickerData.Quotes);
// save last download time
tickerData.LastDownloaded = tickerData.LastProcessed;
}
}
catch (Exception ex)
{
LogAndMessage.LogAndAdd(MessageType.Error, "Failed to subscribe to quote update: " + ex);
}
}
public override void GetQuotesEx(string ticker, ref QuotationArray quotes)
{
// if first call));
if (firstGetQuotesExCall)
{
firstGetQuotesExCall = false;
// save database periodicity
Periodicity = quotes.Periodicity;
}
if (controller == null)
{
return;
}
controller.GetQuotesEx(ticker, ref quotes);
return;
}
public static void WriteToFile(string ticker, ref QuotationArray quotes)
{
string fileName = ticker + "_" + DateTime.Now.ToLongTimeString();
// create a filename from ticker
char[] invalidChars = Path.GetInvalidFileNameChars();
for (int i = 0; i < invalidChars.Length; i++)
{
fileName = fileName.Replace(invalidChars[i], '_');
}
fileName = fileName + ".csv";
string filePath = Path.Combine(Environment.CurrentDirectory, fileName);
StreamWriter sw = new StreamWriter(filePath, false, Encoding.ASCII);
for (int i = 0; i < quotes.Count; i++)
{
Quotation q = quotes[i];
string line = ((DateTime)q.DateTime).ToShortDateString() + " " +
((DateTime)q.DateTime).ToLongTimeString() + " " +
(q.DateTime.IsEod ? "EOD" : "INTRA") + "," +
q.Open + "," +
q.High + "," +
q.Low + "," +
q.Price + "," +
q.Volume;
sw.WriteLine(line);
}
sw.Close();
return;
}
public override void GetQuotesEx(string ticker, ref QuotationArray quotes)
{
database.GetQuotesEx(ticker, ref quotes);
}
