/** Create a solver instance and configures it with initial and goal state. */
private void constructPuzzleSolver() {
pSolver = null;
// this is the call to the actual implementation of PuzzleSolver
if ("DFS".equals(solver)) pSolver = new DFSSolver();
if ("BFS".equals(solver)) pSolver = new BFSSolver();
if ("ASTAR".equals(solver)) pSolver = new AStarSolver();
if (null == pSolver) // default case, make sure we have a solver
pSolver = new BFSSolver();
pSolver.configure(initalPuzzleGraphics.getPuzzle(), finalPuzzleGraphics.getPuzzle());
}
/**
* Configures the puzzle solver by creating initial and goal states from a list of predefined
* puzzles. It also draws the GUI panels after creation of puzzle states
*
* @param nPuzzle represents the size of the puzzle
*/
public void setConfiguration(final int nPuzzle) {
initalPuzzleGraphics.setConfiguration(nPuzzle, PanelType.INITIALPANEL);
intermediatePuzzleGraphics.setConfiguration(nPuzzle, PanelType.INTERMEDIATEPANEL);
finalPuzzleGraphics.setConfiguration(nPuzzle, PanelType.GOALPANEL);
initalPuzzleGraphics.repaint();
intermediatePuzzleGraphics.repaint();
finalPuzzleGraphics.repaint();
constructPuzzleSolver();
}