public void NotifyObservers()
{
if (WaitList.Count > 0)
{
Queue <Person2> temp = new Queue <Person2>();
while (WaitList.Count > 0)
{
Person2 nextInLine = WaitList.Dequeue();
if (!nextInLine.HasBook)
{
nextInLine.Update();
RemoveObserver(nextInLine);
break;
}
else
{
temp.Enqueue(nextInLine);
}
}
if (temp.Count > 0)
{
while (WaitList.Count > 0)
{
temp.Enqueue(WaitList.Dequeue());
}
WaitList = temp;
}
}
}
public void RemoveObserver(object person)
{
Queue <Person2> temp = new Queue <Person2>();
Person2 p = person as Person2;
while (WaitList.Count > 0 && p != null)
{
Person2 next = WaitList.Dequeue();
if (next.Equals(p))
{
break;
}
else
{
temp.Enqueue(p);
}
}
if (temp.Count > 0)
{
while (WaitList.Count > 0)
{
temp.Enqueue(WaitList.Dequeue());
}
WaitList = temp;
}
}
public void CheckInBook(Person2 p)
{
p.ReturnBook();
}
public void HandleBookRequest(Person2 p, string bookName)
{
Book2 b = bookList.Find(bk => bk.Title == bookName);
p.RequestBook(b);
}
public void AddUser(Person2 p)
{
users.Add(p);
}
public override bool Equals(object obj)
{
Person2 p = obj as Person2;
return(!(p == null || p.ID != this.ID));
}