public void ProcessTrade(Trade sale)
{
//Thread.Sleep(300);
if (sale.QuantitySold > 0)
_salesByPerson.AddOrUpdate(sale.Person, sale.QuantitySold, (key, value) => value + sale.QuantitySold);
else
_purchasesByPerson.AddOrUpdate(sale.Person, -sale.QuantitySold, (key, value) => value - sale.QuantitySold);
}
public void AddTrade(Trade transaction)
{
_queue.Add(transaction);
}