private void EnsureSub(MarketEventType e)
{
if (!_subscribers.ContainsKey(e))
{
_subscribers[e] = new HashSet <IActorRef>();
}
}
public static string ToTopic(string tickerSymbol, MarketEventType marketEventType)
{
string ToStr(MarketEventType e)
{
switch (e)
{
case MarketEventType.PriceChange:
return("price");
case MarketEventType.VolumeChange:
return("volume");
default:
throw new ArgumentOutOfRangeException(nameof(e));
}
}
return($"{tickerSymbol}-{ToStr(marketEventType)}");
}
public MarketEventModel[] GetMarketEvents(MarketEventType eventType)
{
return(_marketEvents.Where(m => m.Metadata.EventType == eventType)
.ToArray());
}
public async Task <MarketUnsubscribeAck> Unsubscribe(string tickerSymbol, MarketEventType @event, IActorRef subscriber)
{
return(await Unsubscribe(tickerSymbol, new[] { @event }, subscriber));
}
