///
/// This function will print everything that is currently in the
/// PaymentQueue.
///
public void printQueue()
{
temp = front;
while (temp != null)
{
Console.WriteLine("{0}", temp.Value.ToString());
temp = temp.Next;
}
}
///
/// This function will append to the end of the PaymentQueue or
/// create the first Node instance.
///
///
public void append(PaymentRecord obj)
{
if (count == 0)
{
front = end = new Node(obj, front);
}
else
{
end.Next = new Node(obj, end.Next);
end = end.Next;
}
count++;
}
///
/// This function will serve from the front of the PaymentQueue. Notice
/// no deallocation for the Node Class, This is now handled by the
/// Garbage Collector.
///
public object serve()
{
temp = front;
if (count == 0)
throw new Exception("tried to serve from an empty PaymentQueue");
front = front.Next;
count--;
return temp.Value;
}
public Node(PaymentRecord value, Node next)
{
Next = next;
Value = value;
}