@Test
public void whenAddingDeliverShipmentWithVehDiffStartEndLocs_constraintShouldWork() {
Shipment shipment =
Shipment.Builder.newInstance("s")
.setPickupLocation(Location.newInstance(0, 1))
.setDeliveryLocation(Location.newInstance(4, 1))
.build();
VehicleImpl vehicle =
VehicleImpl.Builder.newInstance("v")
.setStartLocation(Location.newInstance(0, 0))
.setEndLocation(Location.newInstance(0, 4))
.build();
final VehicleRoutingProblem vrp =
VehicleRoutingProblem.Builder.newInstance().addJob(shipment).addVehicle(vehicle).build();
VehicleRoute route = VehicleRoute.emptyRoute();
JobInsertionContext context = new JobInsertionContext(route, shipment, vehicle, null, 0);
context.getAssociatedActivities().add(vrp.getActivities(shipment).get(0));
context.getAssociatedActivities().add(vrp.getActivities(shipment).get(1));
maxDistanceMap = new HashMap<>();
maxDistanceMap.put(vehicle, 10d);
StateManager stateManager = new StateManager(vrp);
MaxDistanceConstraint maxDistanceConstraint =
new MaxDistanceConstraint(
stateManager,
traveledDistanceId,
new TransportDistance() {
@Override
public double getDistance(
Location from, Location to, double departureTime, Vehicle vehicle) {
return vrp.getTransportCosts()
.getTransportTime(from, to, departureTime, null, vehicle);
}
},
maxDistanceMap);
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(
context,
new Start(vehicle.getStartLocation(), 0, Double.MAX_VALUE),
vrp.getActivities(shipment).get(0),
new End(vehicle.getEndLocation(), 0, Double.MAX_VALUE),
0)
.equals(HardActivityConstraint.ConstraintsStatus.FULFILLED));
ActivityContext pickupContext = new ActivityContext();
pickupContext.setArrivalTime(1);
pickupContext.setEndTime(1);
pickupContext.setInsertionIndex(0);
context.setRelatedActivityContext(pickupContext);
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(
context,
vrp.getActivities(shipment).get(0),
vrp.getActivities(shipment).get(1),
new End(vehicle.getEndLocation(), 0, Double.MAX_VALUE),
1)
.equals(HardActivityConstraint.ConstraintsStatus.FULFILLED));
}
@Test
public void insertNewInVehicle2ShouldBeCorrect() {
// current distance vehicle2: 160 allowed: 200
MaxDistanceConstraint maxDistanceConstraint =
new MaxDistanceConstraint(
stateManager,
traveledDistanceId,
new TransportDistance() {
@Override
public double getDistance(
Location from, Location to, double departureTime, Vehicle vehicle) {
return vrp.getTransportCosts()
.getTransportTime(from, to, departureTime, null, vehicle);
}
},
maxDistanceMap);
JobInsertionContext context = new JobInsertionContext(route, newDelivery, vehicle2, null, 0);
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(context, route.getStart(), newAct(), act(0), 0)
.equals(HardActivityConstraint.ConstraintsStatus.FULFILLED));
// additional distance: 20+35-15=40
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(context, act(0), newAct(), act(1), 0)
.equals(HardActivityConstraint.ConstraintsStatus.FULFILLED));
// additional distance: 35+65-30=70
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(context, act(1), newAct(), act(2), 0)
.equals(HardActivityConstraint.ConstraintsStatus.NOT_FULFILLED));
// additional distance: 65+100-35
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(context, act(2), newAct(), act(3), 0)
.equals(HardActivityConstraint.ConstraintsStatus.NOT_FULFILLED));
// additional distance: 100+45-55
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(context, act(3), newAct(), act(4), 0)
.equals(HardActivityConstraint.ConstraintsStatus.NOT_FULFILLED));
// additional distance: 45+20-25
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(context, act(4), newAct(), route.getEnd(), 0)
.equals(HardActivityConstraint.ConstraintsStatus.FULFILLED));
}
@Test
public void whenEndLocationIsSet_constraintShouldWork() {
VehicleImpl vehicle =
VehicleImpl.Builder.newInstance("v")
.setStartLocation(Location.newInstance(0, 0))
.setEndLocation(Location.newInstance(10, 0))
.build();
Pickup pickup =
Pickup.Builder.newInstance("pickup").setLocation(Location.newInstance(10, 0)).build();
vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(vehicle).addJob(pickup).build();
route = VehicleRoute.emptyRoute();
maxDistanceMap = new HashMap<>();
maxDistanceMap.put(vehicle, 5d);
MaxDistanceConstraint maxDistanceConstraint =
new MaxDistanceConstraint(
new StateManager(vrp),
traveledDistanceId,
new TransportDistance() {
@Override
public double getDistance(
Location from, Location to, double departureTime, Vehicle vehicle) {
return vrp.getTransportCosts()
.getTransportTime(from, to, departureTime, null, vehicle);
}
},
maxDistanceMap);
JobInsertionContext context = new JobInsertionContext(route, pickup, vehicle, null, 0);
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(
context,
new Start(vehicle.getStartLocation(), 0, Double.MAX_VALUE),
vrp.getActivities(pickup).get(0),
new End(vehicle.getEndLocation(), 0, Double.MAX_VALUE),
0)
.equals(HardActivityConstraint.ConstraintsStatus.NOT_FULFILLED));
}
/*
vehicle: 200.0
vehicle (max distance): 200.0
vehicle2: 160.0
vehicle2 (max distance): 180.0
*/
@Test
public void insertNewInVehicleShouldFail() {
MaxDistanceConstraint maxDistanceConstraint =
new MaxDistanceConstraint(
stateManager,
traveledDistanceId,
new TransportDistance() {
@Override
public double getDistance(
Location from, Location to, double departureTime, Vehicle vehicle) {
return vrp.getTransportCosts()
.getTransportTime(from, to, departureTime, null, vehicle);
}
},
maxDistanceMap);
JobInsertionContext context = new JobInsertionContext(route, newDelivery, vehicle, null, 0);
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(context, route.getStart(), newAct(), act(0), 0)
.equals(HardActivityConstraint.ConstraintsStatus.NOT_FULFILLED));
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(context, act(0), newAct(), act(1), 0)
.equals(HardActivityConstraint.ConstraintsStatus.NOT_FULFILLED));
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(context, act(1), newAct(), act(2), 0)
.equals(HardActivityConstraint.ConstraintsStatus.NOT_FULFILLED));
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(context, act(2), newAct(), act(3), 0)
.equals(HardActivityConstraint.ConstraintsStatus.NOT_FULFILLED));
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(context, act(3), newAct(), act(4), 0)
.equals(HardActivityConstraint.ConstraintsStatus.NOT_FULFILLED));
Assert.assertTrue(
maxDistanceConstraint
.fulfilled(context, act(4), newAct(), route.getEnd(), 0)
.equals(HardActivityConstraint.ConstraintsStatus.NOT_FULFILLED));
}