private void Begin()
{
int nowTime = 0;
while (!eventHeap.IsEmpty() || idleCashier != cashierCount)
{
BEvent bEvent = eventHeap.DeleteMin();
nowTime = bEvent.Time;
if (bEvent.IsArrived)
{
if (idleCashier > 0)
{
CustomerArrived(bEvent, nowTime);
}
else
{
waitQueue.Enqueue(bEvent);
}
}
else
{
idleCashier++;
bEvent.Happen();
if (waitQueue.Count != 0)
{
var arrive = waitQueue.Dequeue();
CustomerArrived(arrive, nowTime);
}
}
}
}
public Customer(int arrivedTime, int leftTime, string name)
{
this.name = name;
string arrivedMsg = $"{name} was arrived";
string leftMsg = $"{name} was left";
Arrive = new BEvent(arrivedTime, arrivedMsg, true, this);
Leave = new BEvent(leftTime, leftMsg, false, this);
}
private void CustomerArrived(BEvent arrive, int nowTime)
{
var leave = arrive.Master.Leave;
leave.Time += nowTime;
eventHeap.Insert(leave);
arrive.Happen();
idleCashier--;
}
