Esempio n. 1
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 /**
  * Builds and returns the vehicle.
  *
  * <p>if {@link VehicleType} is not set, default vehicle-type is set with id="default" and
  * capacity=0
  *
  * <p>if startLocationId || locationId is null (=> startLocationCoordinate || locationCoordinate
  * must be set) then startLocationId=startLocationCoordinate.toString() and
  * locationId=locationCoordinate.toString() [coord.toString() --> [x=x_val][y=y_val])
  *
  * <p>if endLocationId is null and endLocationCoordinate is set then
  * endLocationId=endLocationCoordinate.toString()
  *
  * <p>if endLocationId==null AND endLocationCoordinate==null then endLocationId=startLocationId
  * AND endLocationCoord=startLocationCoord Thus endLocationId can never be null even
  * returnToDepot is false.
  *
  * @return vehicle
  * @throws IllegalStateException if both locationId and locationCoord is not set or
  *     (endLocationCoord!=null AND returnToDepot=false) or (endLocationId!=null AND
  *     returnToDepot=false)
  */
 public VehicleImpl build() {
   if (startLocation != null && endLocation != null) {
     if (!startLocation.getId().equals(endLocation.getId()) && !returnToDepot)
       throw new IllegalStateException(
           "this must not be. you specified both endLocationId and open-routes. this is contradictory. <br>"
               + "if you set endLocation, returnToDepot must be true. if returnToDepot is false, endLocationCoord must not be specified.");
   }
   if (startLocation != null && endLocation == null) {
     endLocation = startLocation;
   }
   if (startLocation == null && endLocation == null) {
     throw new IllegalStateException(
         "vehicle requires startLocation. but neither locationId nor locationCoord nor startLocationId nor startLocationCoord has been set");
   }
   skills = skillBuilder.build();
   return new VehicleImpl(this);
 }
Esempio n. 2
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 private VehicleImpl(Builder builder) {
   id = builder.id;
   type = builder.type;
   earliestDeparture = builder.earliestStart;
   latestArrival = builder.latestArrival;
   returnToDepot = builder.returnToDepot;
   skills = builder.skills;
   endLocation = builder.endLocation;
   startLocation = builder.startLocation;
   setVehicleIdentifier(
       new VehicleTypeKey(
           type.getTypeId(),
           startLocation.getId(),
           endLocation.getId(),
           earliestDeparture,
           latestArrival,
           skills));
 }
 private double calculateDistance(Location fromLocation, Location toLocation) {
   Coordinate from = null;
   Coordinate to = null;
   if (fromLocation.getCoordinate() != null & toLocation.getCoordinate() != null) {
     from = fromLocation.getCoordinate();
     to = toLocation.getCoordinate();
   } else if (locations != null) {
     from = locations.getCoord(fromLocation.getId());
     to = locations.getCoord(toLocation.getId());
   }
   if (from == null || to == null) throw new NullPointerException();
   return calculateDistance(from, to);
 }
Esempio n. 4
0
  public void read(String fileName) {
    vrpBuilder.setFleetSize(FleetSize.FINITE);
    BufferedReader reader = getReader(fileName);
    int vrpType;
    int nOfDepots = 0;
    int nOfCustomers = 0;
    int nOfVehiclesAtEachDepot = 0;

    int counter = 0;
    String line;
    List<List<Builder>> vehiclesAtDepot = new ArrayList<List<Builder>>();
    int depotCounter = 0;
    while ((line = readLine(reader)) != null) {
      line = line.replace("\r", "");
      line = line.trim();
      String[] tokens = line.split("\\s+");
      if (counter == 0) {
        vrpType = Integer.parseInt(tokens[0].trim());
        if (vrpType != 2)
          throw new IllegalStateException("expect vrpType to be equal to 2 and thus to be MDVRP");
        nOfVehiclesAtEachDepot = Integer.parseInt(tokens[1].trim());
        nOfCustomers = Integer.parseInt(tokens[2].trim());
        nOfDepots = Integer.parseInt(tokens[3].trim());
      } else if (counter <= nOfDepots) {
        String depot = Integer.valueOf(counter).toString();
        int duration = Integer.parseInt(tokens[0].trim());
        if (duration == 0) duration = 999999;
        int capacity = Integer.parseInt(tokens[1].trim());
        VehicleTypeImpl vehicleType =
            VehicleTypeImpl.Builder.newInstance(counter + "_cordeauType")
                .addCapacityDimension(0, capacity)
                .setCostPerDistance(1.0)
                .setFixedCost(0)
                .build();
        List<Builder> builders = new ArrayList<VehicleImpl.Builder>();
        for (int vehicleCounter = 0; vehicleCounter < nOfVehiclesAtEachDepot; vehicleCounter++) {
          Builder vBuilder =
              VehicleImpl.Builder.newInstance(
                  depot + "_" + (vehicleCounter + 1) + "_cordeauVehicle");
          vBuilder.setLatestArrival(duration).setType(vehicleType);
          builders.add(vBuilder);
        }
        vehiclesAtDepot.add(builders);
      } else if (counter <= (nOfCustomers + nOfDepots)) {
        String id = tokens[0].trim();
        Coordinate customerCoord = makeCoord(tokens[1].trim(), tokens[2].trim());
        double serviceTime = Double.parseDouble(tokens[3].trim());
        int demand = Integer.parseInt(tokens[4].trim());
        Service service =
            Service.Builder.newInstance(id)
                .addSizeDimension(0, demand)
                .setServiceTime(serviceTime)
                .setLocation(
                    Location.Builder.newInstance().setId(id).setCoordinate(customerCoord).build())
                .build();
        vrpBuilder.addJob(service);
      } else if (counter <= (nOfCustomers + nOfDepots + nOfDepots)) {
        Coordinate depotCoord = makeCoord(tokens[1].trim(), tokens[2].trim());
        List<Builder> vBuilders = vehiclesAtDepot.get(depotCounter);
        for (Builder vBuilder : vBuilders) {
          vBuilder.setStartLocation(Location.newInstance(depotCoord.getX(), depotCoord.getY()));
          VehicleImpl vehicle = vBuilder.build();
          vrpBuilder.addVehicle(vehicle);
        }
        depotCounter++;
      } else {
        throw new IllegalStateException("there are more lines than expected in file.");
      }
      counter++;
    }
    close(reader);
  }