public static void addCoreConstraints(
ConstraintManager constraintManager,
StateManager stateManager,
final VehicleRoutingProblem vrp) {
constraintManager.addTimeWindowConstraint();
constraintManager.addLoadConstraint();
constraintManager.addSkillsConstraint();
constraintManager.addConstraint(new SwitchNotFeasible(stateManager));
stateManager.updateLoadStates();
stateManager.updateTimeWindowStates();
UpdateVehicleDependentPracticalTimeWindows twUpdater =
new UpdateVehicleDependentPracticalTimeWindows(
stateManager, vrp.getTransportCosts(), vrp.getActivityCosts());
twUpdater.setVehiclesToUpdate(
new UpdateVehicleDependentPracticalTimeWindows.VehiclesToUpdate() {
Map<VehicleTypeKey, Vehicle> uniqueTypes = new HashMap<VehicleTypeKey, Vehicle>();
@Override
public Collection<Vehicle> get(VehicleRoute vehicleRoute) {
if (uniqueTypes.isEmpty()) {
for (Vehicle v : vrp.getVehicles()) {
if (!uniqueTypes.containsKey(v.getVehicleTypeIdentifier())) {
uniqueTypes.put(v.getVehicleTypeIdentifier(), v);
}
}
}
Collection<Vehicle> vehicles = new ArrayList<Vehicle>();
vehicles.addAll(uniqueTypes.values());
return vehicles;
}
});
stateManager.addStateUpdater(new UpdateEndLocationIfRouteIsOpen());
stateManager.addStateUpdater(twUpdater);
stateManager.updateSkillStates();
stateManager.addStateUpdater(
new UpdateActivityTimes(
vrp.getTransportCosts(),
ActivityTimeTracker.ActivityPolicy.AS_SOON_AS_TIME_WINDOW_OPENS,
vrp.getActivityCosts()));
stateManager.addStateUpdater(
new UpdateVariableCosts(vrp.getActivityCosts(), vrp.getTransportCosts(), stateManager));
stateManager.addStateUpdater(
new UpdateFutureWaitingTimes(stateManager, vrp.getTransportCosts()));
}
private void initialise() {
this.stateManager = new StateManager(vrp);
this.stateManager.updateTimeWindowStates();
this.stateManager.updateLoadStates();
this.stateManager.updateSkillStates();
activityPolicy = ActivityTimeTracker.ActivityPolicy.AS_SOON_AS_TIME_WINDOW_OPENS;
this.stateManager.addStateUpdater(
new UpdateActivityTimes(vrp.getTransportCosts(), activityPolicy, vrp.getActivityCosts()));
this.stateManager.addStateUpdater(
new UpdateVariableCosts(vrp.getActivityCosts(), vrp.getTransportCosts(), stateManager));
waiting_time_id = stateManager.createStateId("waiting-time");
transport_time_id = stateManager.createStateId("transport-time");
service_time_id = stateManager.createStateId("service-time");
distance_id = stateManager.createStateId("distance");
too_late_id = stateManager.createStateId("too-late");
shipment_id = stateManager.createStateId("shipment");
backhaul_id = stateManager.createStateId("backhaul");
skill_id = stateManager.createStateId("skills-violated");
last_transport_cost_id = stateManager.createStateId("last-transport-cost");
last_transport_distance_id = stateManager.createStateId("last-transport-distance");
last_transport_time_id = stateManager.createStateId("last-transport-time");
stateManager.addStateUpdater(
new SumUpActivityTimes(
waiting_time_id,
transport_time_id,
service_time_id,
too_late_id,
stateManager,
activityPolicy,
vrp.getActivityCosts()));
stateManager.addStateUpdater(
new DistanceUpdater(distance_id, stateManager, distanceCalculator));
stateManager.addStateUpdater(
new BackhaulAndShipmentUpdater(backhaul_id, shipment_id, stateManager));
stateManager.addStateUpdater(new SkillUpdater(stateManager, skill_id));
stateManager.addStateUpdater(new LoadAndActivityCounter(stateManager));
stateManager.addStateUpdater(
new LastTransportUpdater(
stateManager,
vrp.getTransportCosts(),
distanceCalculator,
last_transport_distance_id,
last_transport_time_id,
last_transport_cost_id));
}
