protected virtual void OnNewStockUpdated(StockInfo stockInfo)
{
StockLiveUpdateEventHandler handler = NewStockUpdated;
if (handler == null)
{
return;
}
Console.WriteLine($"New stock: {stockInfo.Symbol}, {stockInfo.Price}");
handler(this, new StockLiveUpdateEventArgs {
StockInfo = stockInfo
});
}
public void Subscribe(string clientId, StockLiveUpdateEventHandler handler)
{
lock (ClientSubscriptions)
{
if (ClientSubscriptions.ContainsKey(clientId))
{
Console.WriteLine($"Existing client [{clientId}] subscribes to symbol [{Symbol}]");
return;
}
Console.WriteLine($"New client [{clientId}] subscribes to symbol [{Symbol}]");
ClientSubscriptions.Add(clientId, handler);
NewStockUpdated += handler;
}
}
