/// <summary>
/// Initializes a new instance of the <see cref="Node"/> class.
/// </summary>
/// <param name="state">The state.</param>
public Node(IState state)
{
State = state;
Parent = null;
Successor = null;
Cost = 0;
Depth = 0;
Path = false;
Children = new List <Node>();
_stateComparer = new StateComparer();
}
/// <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>
/// Determines the sort order of the current state relative to the specified state.
/// </summary>
/// <param name="obj">State to compare.</param>
/// <returns></returns>
public virtual int CompareTo(object obj)
{
return(StateComparer.Compare(this, obj as IState));
}