Free cookie consent management tool by TermsFeed Policy Generator

source: branches/2893_BNLR/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Potvin/Moves/PickupDelivery/PDShift/PotvinPDShiftExhaustiveMoveGenerator.cs

Last change on this file was 15583, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers

File size: 2.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System.Collections.Generic;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Optimization;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27using HeuristicLab.Problems.VehicleRouting.Interfaces;
28using HeuristicLab.Problems.VehicleRouting.Variants;
29
30namespace HeuristicLab.Problems.VehicleRouting.Encodings.Potvin {
31  [Item("PotvinPDShiftExhaustiveMoveGenerator", "Generates shift moves from a given PDP encoding.")]
32  [StorableClass]
33  public sealed class PotvinPDShiftExhaustiveMoveGenerator : PotvinPDShiftMoveGenerator, IExhaustiveMoveGenerator {
34    public override IDeepCloneable Clone(Cloner cloner) {
35      return new PotvinPDShiftExhaustiveMoveGenerator(this, cloner);
36    }
37
38    [StorableConstructor]
39    private PotvinPDShiftExhaustiveMoveGenerator(bool deserializing) : base(deserializing) { }
40
41    public PotvinPDShiftExhaustiveMoveGenerator()
42      : base() {
43    }
44
45    private PotvinPDShiftExhaustiveMoveGenerator(PotvinPDShiftExhaustiveMoveGenerator original, Cloner cloner)
46      : base(original, cloner) {
47    }
48
49    protected override PotvinPDShiftMove[] GenerateMoves(PotvinEncoding individual, IVRPProblemInstance problemInstance) {
50      List<PotvinPDShiftMove> result = new List<PotvinPDShiftMove>();
51      IPickupAndDeliveryProblemInstance pdp = problemInstance as IPickupAndDeliveryProblemInstance;
52
53      int max = individual.Tours.Count;
54      if (individual.Tours.Count >= problemInstance.Vehicles.Value)
55        max = max - 1;
56
57      for (int i = 0; i < individual.Tours.Count; i++) {
58        for (int j = 0; j < individual.Tours[i].Stops.Count; j++) {
59          for (int k = 0; k <= max; k++) {
60            if (k != i) {
61              int city = individual.Tours[i].Stops[j];
62              if (pdp == null || pdp.GetDemand(city) >= 0) {
63                PotvinPDShiftMove move = new PotvinPDShiftMove(
64                  city, i, k, individual);
65
66                result.Add(move);
67              }
68            }
69          }
70        }
71      }
72
73      return result.ToArray();
74    }
75  }
76}
Note: See TracBrowser for help on using the repository browser.