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source: branches/2839_HiveProjectManagement/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Potvin/Moves/CustomerRelocation/PotvinCustomerRelocationMoveTabuMaker.cs

Last change on this file was 16057, checked in by jkarder, 6 years ago

#2839:

File size: 3.3 KB
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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 HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Optimization.Operators;
25using HeuristicLab.Parameters;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27using HeuristicLab.Problems.VehicleRouting.Interfaces;
28
29namespace HeuristicLab.Problems.VehicleRouting.Encodings.Potvin {
30  [Item("PotvinCustomerRelocationMoveTabuMaker", "Declares a given customer relocation move as tabu.")]
31  [StorableClass]
32  public class PotvinCustomerRelocationMoveTabuMaker : TabuMaker, IPotvinCustomerRelocationMoveOperator, IPotvinOperator {
33    public ILookupParameter<PotvinCustomerRelocationMove> CustomerRelocationMoveParameter {
34      get { return (ILookupParameter<PotvinCustomerRelocationMove>)Parameters["PotvinCustomerRelocationMove"]; }
35    }
36    public ILookupParameter VRPMoveParameter {
37      get { return CustomerRelocationMoveParameter; }
38    }
39    public ILookupParameter<IVRPEncoding> VRPToursParameter {
40      get { return (ILookupParameter<IVRPEncoding>)Parameters["VRPTours"]; }
41    }
42    public ILookupParameter<IVRPProblemInstance> ProblemInstanceParameter {
43      get { return (LookupParameter<IVRPProblemInstance>)Parameters["ProblemInstance"]; }
44    }
45
46    [StorableConstructor]
47    protected PotvinCustomerRelocationMoveTabuMaker(bool deserializing) : base(deserializing) { }
48    protected PotvinCustomerRelocationMoveTabuMaker(PotvinCustomerRelocationMoveTabuMaker original, Cloner cloner) : base(original, cloner) { }
49    public PotvinCustomerRelocationMoveTabuMaker()
50      : base() {
51      Parameters.Add(new LookupParameter<PotvinCustomerRelocationMove>("PotvinCustomerRelocationMove", "The moves that should be made."));
52      Parameters.Add(new LookupParameter<IVRPEncoding>("VRPTours", "The VRP tours considered in the move."));
53      Parameters.Add(new LookupParameter<IVRPProblemInstance>("ProblemInstance", "The VRP problem instance"));
54    }
55
56    public override IDeepCloneable Clone(Cloner cloner) {
57      return new PotvinCustomerRelocationMoveTabuMaker(this, cloner);
58    }
59
60    protected override IItem GetTabuAttribute(bool maximization, double quality, double moveQuality) {
61      PotvinCustomerRelocationMove move = CustomerRelocationMoveParameter.ActualValue;
62      double baseQuality = moveQuality;
63      //if (quality < moveQuality) baseQuality = quality; // we make an uphill move, the lower bound is the solution quality
64      return new PotvinCustomerRelocationMoveAttribute(baseQuality, move.OldTour, move.City);
65    }
66  }
67}
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