private void FireQueueNotification(QueueEventArgs args)
{
if (this.QueueNotification != null)
{
QueueNotification(this, args);
}
}
public bool TryDequeue(string queueId, out Visitor visitor)
{
if (CarQueues.TryGetValue(queueId, out CarQueue queue))
{
if (queue.TryDequeue(out visitor))
{
FireQueueNotification(QueueEventArgs.Create(queueId, visitor, queue.Type, QueueOperation.Dequeue));
return(true);
}
}
visitor = null;
return(false);
}
public bool TryEnqueue(string queueId, Visitor visitor)
{
try
{
if (!CarQueues.TryGetValue(queueId, out CarQueue queue))
{
throw new QueueException();
}
queue.Enqueue(visitor);
FireQueueNotification(QueueEventArgs.Create(queueId, visitor, queue.Type, QueueOperation.Enqueue));
return(true);
}
catch (Exception e)
{
return(false);
}
}