1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using HeuristicLab.Core;
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24 | using HeuristicLab.Optimization;
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25 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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26 | using HeuristicLab.Parameters;
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27 | using System.Collections.Generic;
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28 | using HeuristicLab.Problems.VehicleRouting.Interfaces;
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29 | using HeuristicLab.Common;
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30 |
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31 | namespace HeuristicLab.Problems.VehicleRouting.Encodings.Potvin {
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32 | [Item("PotvinTwoOptStarMoveGenerator", "Generates two opt star moves from a given VRP encoding.")]
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33 | [StorableClass]
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34 | public abstract class PotvinTwoOptStarMoveGenerator : PotvinMoveGenerator, IPotvinTwoOptStarMoveOperator {
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35 | public ILookupParameter<PotvinTwoOptStarMove> TwoOptStarMoveParameter {
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36 | get { return (ILookupParameter<PotvinTwoOptStarMove>)Parameters["PotvinTwoOptStarMove"]; }
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37 | }
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38 |
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39 | public override ILookupParameter VRPMoveParameter {
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40 | get { return TwoOptStarMoveParameter; }
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41 | }
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42 |
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43 | protected ScopeParameter CurrentScopeParameter {
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44 | get { return (ScopeParameter)Parameters["CurrentScope"]; }
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45 | }
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46 |
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47 | [StorableConstructor]
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48 | protected PotvinTwoOptStarMoveGenerator(bool deserializing) : base(deserializing) { }
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49 |
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50 | public PotvinTwoOptStarMoveGenerator()
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51 | : base() {
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52 | Parameters.Add(new LookupParameter<PotvinTwoOptStarMove>("PotvinTwoOptStarMove", "The moves that should be generated in subscopes."));
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53 | Parameters.Add(new ScopeParameter("CurrentScope", "The current scope where the moves should be added as subscopes."));
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54 | }
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55 |
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56 | protected PotvinTwoOptStarMoveGenerator(PotvinTwoOptStarMoveGenerator original, Cloner cloner)
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57 | : base(original, cloner) {
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58 | }
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59 |
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60 | protected abstract PotvinTwoOptStarMove[] GenerateMoves(PotvinEncoding individual, IVRPProblemInstance problemInstance);
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61 |
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62 | public override IOperation Apply() {
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63 | IOperation next = base.Apply();
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64 |
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65 | PotvinEncoding individual = VRPToursParameter.ActualValue as PotvinEncoding;
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66 | PotvinTwoOptStarMove[] moves = GenerateMoves(individual, ProblemInstance);
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67 | Scope[] moveScopes = new Scope[moves.Length];
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68 | for (int i = 0; i < moveScopes.Length; i++) {
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69 | moveScopes[i] = new Scope(i.ToString());
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70 | moveScopes[i].Variables.Add(new Variable(TwoOptStarMoveParameter.ActualName, moves[i]));
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71 | }
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72 | CurrentScopeParameter.ActualValue.SubScopes.AddRange(moveScopes);
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73 |
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74 | return next;
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75 | }
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76 | }
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77 | }
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