/* An instance of this class is a node in a tree that embodies a search for
** a solution to a given Slider Puzzle problem.  Each node contains a
** Slider Puzzle Configuration and a String that encodes the sequence of 
** moves leading to that configuration from the starting configuraiton.
** 
** Author: R. McCloskey
** Date: April 2022
*/

public class SliderPuzzleSolverNode {

   // instance variables
   // ------------------

   public SliderPuzzleConfig config;  // configuration stored in this node
   public String moveSeq;             // encodes a sequence of moves leading to
                                      // config from some starting configuration

   public SliderPuzzleSolverNode(SliderPuzzleConfig spc, String moveSeq) {
      this.config = spc;
      this.moveSeq = moveSeq;
   }
}