protected internal void LockByBox(BoxModule box)
{
lock(locks)
{
if(!locks.Contains(box))
{
locks.Add(box);
//Debug.WriteLine("Vstupuji " + this.UserName);
Stack<IBoxModule> stack = new Stack<IBoxModule>();
foreach(IBoxModule otherBox in this.ConnectionsFrom())
{
stack.Push(otherBox);
lockUnlockRecursive(otherBox, box, stack, true);
stack.Pop();
}
}
}
}
protected internal void UnlockByBox(BoxModule box)
{
lock(locks)
{
if(locks.Contains(box))
{
locks.Remove(box);
//Debug.WriteLine("Opoustim " + this.UserName);
Stack<IBoxModule> stack = new Stack<IBoxModule>();
foreach(IBoxModule otherBox in this.ConnectionsFrom())
{
stack.Push(otherBox);
lockUnlockRecursive(otherBox, box, stack, false);
stack.Pop();
}
}
}
}
private void lockUnlockRecursive(IBoxModule box, BoxModule lockBox, Stack<IBoxModule> stack, bool locking)
{
BoxModule boxModule = box as BoxModule;
if(boxModule!=null)
{
if(locking)
boxModule.LockByBox(lockBox);
else
boxModule.UnlockByBox(lockBox);
}
else
{
foreach(IBoxModule newBox in box.ConnectionsFrom())
{
if(!stack.Contains(newBox))
{
stack.Push(newBox);
lockUnlockRecursive(newBox, lockBox, stack, locking);
stack.Pop();
}
}
}
}