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source: trunk/sources/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Potvin/Moves/VehicleAssignment/PotvinVehicleAssignmentMoveMaker.cs @ 12012

Last change on this file since 12012 was 12012, checked in by ascheibe, 9 years ago

#2212 merged r12008, r12009, r12010 back into trunk

File size: 3.7 KB
Line 
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 HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Data;
25using HeuristicLab.Optimization;
26using HeuristicLab.Parameters;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28using HeuristicLab.Problems.VehicleRouting.Interfaces;
29
30namespace HeuristicLab.Problems.VehicleRouting.Encodings.Potvin {
31  [Item("PotvinVehicleAssignmentMoveMaker", "Peforms the vehicle assignment move on a given VRP encoding and updates the quality.")]
32  [StorableClass]
33  public class PotvinVehicleAssignmentMoveMaker : PotvinMoveMaker, IPotvinVehicleAssignmentMoveOperator, IMoveMaker {
34    public ILookupParameter<PotvinVehicleAssignmentMove> VehicleAssignmentMoveParameter {
35      get { return (ILookupParameter<PotvinVehicleAssignmentMove>)Parameters["PotvinVehicleAssignmentMove"]; }
36    }
37
38    public override ILookupParameter VRPMoveParameter {
39      get { return VehicleAssignmentMoveParameter; }
40    }
41
42    public ILookupParameter<VariableCollection> MemoriesParameter {
43      get { return (ILookupParameter<VariableCollection>)Parameters["Memories"]; }
44    }
45
46    public IValueParameter<StringValue> AdditionFrequencyMemoryKeyParameter {
47      get { return (IValueParameter<StringValue>)Parameters["AdditionFrequencyMemoryKey"]; }
48    }
49
50    [StorableConstructor]
51    protected PotvinVehicleAssignmentMoveMaker(bool deserializing) : base(deserializing) { }
52
53    public PotvinVehicleAssignmentMoveMaker()
54      : base() {
55      Parameters.Add(new LookupParameter<PotvinVehicleAssignmentMove>("PotvinVehicleAssignmentMove", "The moves that should be made."));
56
57      Parameters.Add(new LookupParameter<VariableCollection>("Memories", "The TS memory collection."));
58      Parameters.Add(new ValueParameter<StringValue>("AdditionFrequencyMemoryKey", "The key that is used for the addition frequency in the TS memory.", new StringValue("AdditionFrequency")));
59    }
60
61    public override IDeepCloneable Clone(Cloner cloner) {
62      return new PotvinVehicleAssignmentMoveMaker(this, cloner);
63    }
64
65    protected PotvinVehicleAssignmentMoveMaker(PotvinVehicleAssignmentMoveMaker original, Cloner cloner)
66      : base(original, cloner) {
67    }
68
69    public static void Apply(PotvinEncoding solution, PotvinVehicleAssignmentMove move, IVRPProblemInstance problemInstance) {
70      int vehicle1 = solution.VehicleAssignment[move.Tour1];
71      int vehicle2 = solution.VehicleAssignment[move.Tour2];
72
73      solution.VehicleAssignment[move.Tour1] = vehicle2;
74      solution.VehicleAssignment[move.Tour2] = vehicle1;
75    }
76
77    protected override void PerformMove() {
78      PotvinVehicleAssignmentMove move = VehicleAssignmentMoveParameter.ActualValue;
79
80      PotvinEncoding newSolution = move.Individual.Clone() as PotvinEncoding;
81      Apply(newSolution, move, ProblemInstance);
82      newSolution.Repair();
83      VRPToursParameter.ActualValue = newSolution;
84    }
85  }
86}
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