@Override
public void move(Piece piece, Position position, ResultHandler<GameState> resultHandler) {
try {
final Position oldPosition = piece2Position.get(piece);
final GameState gameState = invokeMove(piece, position);
resultHandler.result(gameState);
nofityListeners(new Move(oldPosition, position));
} catch (Exception e) {
handleException(e, resultHandler);
}
}
private void moveTo(Position position, Piece piece) {
Position oldPosition = piece2Position.get(piece);
position2Piece.remove(oldPosition);
position2Piece.put(position, piece);
piece2Position.put(piece, position);
}