public bool isGoalState(Object state)
{
board = (NQueensBoard) state;
return (allQueensPlaced() && allQueenPositionsHaveZeroAttacks(board
.getQueenPositions()));
}
private NQueensBoard placeQueenAt(int row, int column,
NQueensBoard parentBoard)
{
NQueensBoard newBoard = new NQueensBoard(parentBoard.getSize());
ArrayList queenPositionsOnParentBoard = parentBoard.getQueenPositions();
queenPositionsOnParentBoard.Add(new XYLocation(row, column));
newBoard.setBoard(queenPositionsOnParentBoard);
return newBoard;
}
private NQueensBoard placeQueenAt(int row, int column,
NQueensBoard parentBoard)
{
NQueensBoard newBoard = new NQueensBoard(parentBoard.getSize());
ArrayList queenPositionsOnParentBoard = parentBoard.getQueenPositions();
queenPositionsOnParentBoard.Add(new XYLocation(row, column));
newBoard.setBoard(queenPositionsOnParentBoard);
return(newBoard);
}
public bool isGoalState(Object state)
{
board = (NQueensBoard)state;
return(allQueensPlaced() && allQueenPositionsHaveZeroAttacks(board
.getQueenPositions()));
}