/// <summary>
/// Initializes a new instance of the <see cref="Node"/> class.
/// </summary>
/// <param name="parent">The parent.</param>
/// <param name="successor">The successor.</param>
public Node(Node parent, ISuccessor successor)
{
State = successor.State;
Parent = parent;
Successor = successor;
Cost = parent.Cost + successor.Cost;
Depth = parent.Depth + 1;
Path = false;
Children = new List<Node>();
_stateComparer = new StateComparer();
}
/// <summary>
/// Adds the child.
/// </summary>
/// <param name="n">The n.</param>
/// <exception cref="System.InvalidOperationException">Invalid node state!</exception>
public void AddChild(Node n)
{
if (State == null)
throw new InvalidOperationException("Invalid node state!");
Children.Add(n);
}