public Dictionary <string, List <BarScaleInterval> > SymbolsScaleIntervalsQuoteConsumerRegistered(IStreamingConsumer consumer)
{
Dictionary <string, List <BarScaleInterval> > ret = null;
foreach (string symbol in this.DistributionChannels.Keys)
{
Dictionary <BarScaleInterval, SymbolScaleDistributionChannel> consumersByScaleInterval = DistributionChannels[symbol];
foreach (BarScaleInterval scaleInterval in consumersByScaleInterval.Keys)
{
SymbolScaleDistributionChannel consumers = consumersByScaleInterval[scaleInterval];
if (consumers.ConsumersQuoteContains(consumer))
{
if (ret == null)
{
ret = new Dictionary <string, List <BarScaleInterval> >();
}
if (ret.ContainsKey(symbol) == false)
{
ret.Add(symbol, new List <BarScaleInterval>());
}
ret[symbol].Add(scaleInterval);
}
}
}
return(ret);
}
public void ConsumerQuoteRegister(string symbol, BarScaleInterval scaleInterval, IStreamingConsumer consumer)
{
lock (lockConsumersBySymbol) {
if (this.DistributionChannels.ContainsKey(symbol) == false)
{
SymbolScaleDistributionChannel newChannel = new SymbolScaleDistributionChannel(symbol, scaleInterval);
newChannel.ConsumersQuoteAdd(consumer);
Dictionary <BarScaleInterval, SymbolScaleDistributionChannel> newScaleChannels = new Dictionary <BarScaleInterval, SymbolScaleDistributionChannel>();
newScaleChannels.Add(scaleInterval, newChannel);
this.DistributionChannels.Add(symbol, newScaleChannels);
if (this.StreamingProvider.UpstreamIsSubscribed(symbol) == false)
{
this.StreamingProvider.UpstreamSubscribe(symbol);
}
return;
}
Dictionary <BarScaleInterval, SymbolScaleDistributionChannel> channels = this.DistributionChannels[symbol];
if (channels.ContainsKey(scaleInterval) == false)
{
SymbolScaleDistributionChannel newChannel = new SymbolScaleDistributionChannel(symbol, scaleInterval);
newChannel.ConsumersQuoteAdd(consumer);
channels.Add(scaleInterval, newChannel);
return;
}
SymbolScaleDistributionChannel channel = channels[scaleInterval];
if (channel.ConsumersQuoteContains(consumer) == false)
{
channel.ConsumersQuoteAdd(consumer);
return;
}
Assembler.PopupException("QuoteConsumer [" + consumer + "] already registered for [" + channel + "]; returning");
}
}
public void ConsumerQuoteUnRegister(string symbol, BarScaleInterval scaleInterval, IStreamingConsumer consumer)
{
lock (lockConsumersBySymbol) {
if (this.DistributionChannels.ContainsKey(symbol) == false)
{
Assembler.PopupException("Can't unregister QuoteConsumer [" + consumer + "]: symbol[" + symbol + "] is not registered for any consumers; returning");
return;
}
Dictionary <BarScaleInterval, SymbolScaleDistributionChannel> channels = this.DistributionChannels[symbol];
if (channels.ContainsKey(scaleInterval) == false)
{
string symbolDistributorsAsString = "";
foreach (SymbolScaleDistributionChannel d in channels.Values)
{
symbolDistributorsAsString += d + ",";
}
symbolDistributorsAsString.TrimEnd(',');
Assembler.PopupException("Can't unregister QuoteConsumer [" + consumer + "]: scaleInterval[" + scaleInterval + "] not found among distributors [" + symbolDistributorsAsString + "]; returning");
return;
}
SymbolScaleDistributionChannel channel = channels[scaleInterval];
if (channel.ConsumersQuoteContains(consumer) == false)
{
Assembler.PopupException("Can't unregister QuoteConsumer [" + consumer + "]: consumer not found in [" + channel.ConsumersQuoteAsString + "]; returning");
return;
}
channel.ConsumersQuoteRemove(consumer);
if (channel.ConsumersBarCount == 0 && channel.ConsumersQuoteCount == 0)
{
//Assembler.PopupException("QuoteConsumer [" + consumer + "] was the last one using [" + symbol + "][" + scaleInterval + "]; removing QuoteBarDistributor[" + channel + "]");
channels.Remove(scaleInterval);
if (channels.Count == 0)
{
//Assembler.PopupException("QuoteConsumer [" + scaleInterval + "] was the last one listening for [" + symbol + "]");
//Assembler.PopupException("...removing[" + symbol + "] from this.DistributionChannels[" + this.DistributionChannels + "]");
this.DistributionChannels.Remove(symbol);
//Assembler.PopupException("...UpstreamUnSubscribing [" + symbol + "]");
this.StreamingProvider.UpstreamUnSubscribe(symbol);
}
}
}
}
