class SolutionFactory {

    public static VehicleRoutingSolution emptySolution() {
        VehicleRoutingSolution solution = new VehicleRoutingSolution();
        solution.setVisitList(new ArrayList<>());
        solution.setDepotList(new ArrayList<>());
        solution.setVehicleList(new ArrayList<>());
        solution.setScore(HardSoftLongScore.ZERO);
        return solution;
    }

    private  SolutionFactory();

}