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source: stable/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/General/PermutationEncoding.cs @ 13400

Last change on this file since 13400 was 12009, checked in by ascheibe, 10 years ago

#2212 updated copyright year

File size: 2.9 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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;
23using System.Collections.Generic;
24using HeuristicLab.Common;
25using HeuristicLab.Core;
26using HeuristicLab.Encodings.PermutationEncoding;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28using HeuristicLab.Problems.VehicleRouting.Interfaces;
29
30namespace HeuristicLab.Problems.VehicleRouting.Encodings.General {
31  [Item("PermutationEncoding", "Represents a base class for permutation encodings of VRP solutions.")]
32  [StorableClass]
33  public abstract class PermutationEncoding : Permutation, IVRPEncoding {
34    #region IVRPEncoding Members
35    public abstract List<Tour> GetTours();
36
37    public virtual int GetTourIndex(Tour tour) {
38      int index = -1;
39
40      List<Tour> tours = GetTours();
41      for (int i = 0; i < tours.Count; i++) {
42        if (tours[i].IsEqual(tour)) {
43          index = i;
44          break;
45        }
46      }
47
48      return index;
49    }
50
51    public virtual int GetVehicleAssignment(int tour) {
52      return tour;
53    }
54    #endregion
55
56    [Storable]
57    protected IVRPProblemInstance ProblemInstance { get; set; }
58
59    protected PermutationEncoding(PermutationEncoding original, Cloner cloner)
60      : base(original, cloner) {
61      this.readOnly = original.readOnly;
62
63      if (original.ProblemInstance != null && cloner.ClonedObjectRegistered(original.ProblemInstance))
64        this.ProblemInstance = (IVRPProblemInstance)cloner.Clone(original.ProblemInstance);
65      else
66        this.ProblemInstance = original.ProblemInstance;
67    }
68
69    public PermutationEncoding(Permutation permutation, IVRPProblemInstance problemInstance)
70      : base(PermutationTypes.RelativeUndirected) {
71      this.array = new int[permutation.Length];
72      for (int i = 0; i < array.Length; i++)
73        this.array[i] = permutation[i];
74
75      this.ProblemInstance = problemInstance;
76    }
77
78    [StorableConstructor]
79    protected PermutationEncoding(bool serializing)
80      : base() {
81    }
82
83    public int IndexOf(int city) {
84      return Array.IndexOf(this.array, city);
85    }
86  }
87}
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