private Set<String> getInitialVehicleIds(VehicleRoutingProblem vehicleRoutingProblem) {
Set<String> ids = new HashSet<String>();
for (VehicleRoute r : vehicleRoutingProblem.getInitialVehicleRoutes()) {
ids.add(r.getVehicle().getId());
}
return ids;
}
@Override
public VehicleRoutingProblemSolution createSolution(final VehicleRoutingProblem vrp) {
logger.info("create initial solution");
List<VehicleRoute> vehicleRoutes = new ArrayList<>();
vehicleRoutes.addAll(vrp.getInitialVehicleRoutes());
Collection<Job> badJobs = insertion.insertJobs(vehicleRoutes, getUnassignedJobs(vrp));
VehicleRoutingProblemSolution solution =
new VehicleRoutingProblemSolution(vehicleRoutes, badJobs, Double.MAX_VALUE);
double costs = solutionCostsCalculator.getCosts(solution);
solution.setCost(costs);
if (solutionCostsCalculator instanceof ModularSolutionCostCalculator) {
ModularSolutionCostCalculator modCalc =
(ModularSolutionCostCalculator) solutionCostsCalculator;
solution.setDetailedCost(modCalc.calculate(solution));
}
return solution;
}