public SymbolEvent startWatch(string Symbol)
{
// this is a bit tenuous in that the caller has to get attached to the event before
// asynchronous data is returned -- how often will/does this happen?
// particularily if we are watching for a 'Not Found' message.
SymbolEvent se = null;
if (!htWatchSymbols.ContainsKey(Symbol))
{
se = new SymbolEvent();
htWatchSymbols.Add(Symbol, se);
}
else
{
se = htWatchSymbols[Symbol] as SymbolEvent;
}
se.Count++;
if (1 == se.Count)
{
// Console.WriteLine("StartWatch {0}", sSymbol);
bs5009.Send("w" + Symbol + "\n");
}
return(se);
}
private void SymbolSpecificFundamentalMessage(object o, FundamentalMessageEventArgs args)
{
string Symbol = args.Message.Symbol;
if (htWatchSymbols.ContainsKey(Symbol))
{
SymbolEvent se = htWatchSymbols[Symbol] as SymbolEvent;
se.EmitFundamentalMessage(args);
}
}
private void SymbolSpecificNewsMessage(object o, NewsMessageEventArgs args)
{
foreach (string Symbol in args.Message.Symbols)
{
if (htWatchSymbols.ContainsKey(Symbol))
{
SymbolEvent se = htWatchSymbols[Symbol] as SymbolEvent;
se.EmitNewsMessage(args);
}
}
}
public SymbolEvent stopWatch(string Symbol)
{
SymbolEvent se = null;
if (htWatchSymbols.ContainsKey(Symbol))
{
se = htWatchSymbols[Symbol] as SymbolEvent;
if (0 < se.Count)
{
se.Count--;
}
if (0 == se.Count)
{
// Console.WriteLine("StopWatch {0}", sSymbol);
bs5009.Send("r" + Symbol + "\n");
}
}
return(se);
}