source: branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Alba/Moves/ThreeOpt/AlbaTranslocationMoveEvaluator.cs @ 4383

Last change on this file since 4383 was 4383, checked in by svonolfe, 12 years ago

Improved moves, fixed behavior for SA (#1177)

File size: 2.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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.Core;
23using HeuristicLab.Encodings.PermutationEncoding;
24using HeuristicLab.Parameters;
25using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
26using HeuristicLab.Problems.VehicleRouting.Encodings.Alba;
27
28namespace HeuristicLab.Problems.VehicleRouting {
29  [Item("AlbaTranslocationMoveEvaluator", "Evaluates a translocation or insertion move (3-opt) for a VRP representation.  It is implemented as described in Alba, E. and Dorronsoro, B. (2004). Solving the Vehicle Routing Problem by Using Cellular Genetic Algorithms.")]
30  [StorableClass]
31  public sealed class AlbaTranslocationMoveEvaluator : AlbaMoveEvaluator, IAlbaTranslocationMoveOperator {
32    public ILookupParameter<TranslocationMove> TranslocationMoveParameter {
33      get { return (ILookupParameter<TranslocationMove>)Parameters["TranslocationMove"]; }
34      set { Parameters["TranslocationMove"].ActualValue = value.ActualValue; }
35    }
36
37    public override ILookupParameter VRPMoveParameter {
38      get { return TranslocationMoveParameter; }
39    }
40
41    [StorableConstructor]
42    private AlbaTranslocationMoveEvaluator(bool deserializing) : base(deserializing) { }
43
44    public AlbaTranslocationMoveEvaluator()
45      : base() {
46      Parameters.Add(new LookupParameter<TranslocationMove>("TranslocationMove", "The move to evaluate."));
47    }
48
49    protected override void EvaluateMove() {
50      TranslocationMove move = TranslocationMoveParameter.ActualValue;
51      //perform move
52      AlbaEncoding newSolution = move.Permutation.Clone() as AlbaEncoding;
53      TranslocationManipulator.Apply(newSolution, move.Index1, move.Index2, move.Index3);
54
55      UpdateEvaluation(newSolution);
56    }
57  }
58}
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