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 HeuristicLab.Common;
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23 | using HeuristicLab.Core;
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24 | using HeuristicLab.Data;
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25 | using HeuristicLab.Optimization;
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26 | using HeuristicLab.Parameters;
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27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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28 |
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29 | namespace HeuristicLab.Problems.VehicleRouting.Encodings.Prins {
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30 | [Item("PrinsManipulator", "An operator which manipulates a VRP representation.")]
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31 | [StorableClass]
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32 | public abstract class PrinsManipulator : VRPManipulator, IStochasticOperator, IPrinsOperator {
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33 | public ILookupParameter<IRandom> RandomParameter {
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34 | get { return (LookupParameter<IRandom>)Parameters["Random"]; }
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35 | }
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36 |
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37 | public ILookupParameter<DoubleValue> FleetUsageFactor {
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38 | get { return (ILookupParameter<DoubleValue>)Parameters["EvalFleetUsageFactor"]; }
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39 | }
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40 | public ILookupParameter<DoubleValue> TimeFactor {
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41 | get { return (ILookupParameter<DoubleValue>)Parameters["EvalTimeFactor"]; }
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42 | }
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43 | public ILookupParameter<DoubleValue> DistanceFactor {
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44 | get { return (ILookupParameter<DoubleValue>)Parameters["EvalDistanceFactor"]; }
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45 | }
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46 | public ILookupParameter<DoubleValue> OverloadPenalty {
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47 | get { return (ILookupParameter<DoubleValue>)Parameters["EvalOverloadPenalty"]; }
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48 | }
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49 | public ILookupParameter<DoubleValue> TardinessPenalty {
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50 | get { return (ILookupParameter<DoubleValue>)Parameters["EvalTardinessPenalty"]; }
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51 | }
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52 |
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53 | [StorableConstructor]
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54 | protected PrinsManipulator(bool deserializing) : base(deserializing) { }
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55 | protected PrinsManipulator(PrinsManipulator original, Cloner cloner) : base(original, cloner) { }
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56 | public PrinsManipulator()
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57 | : base() {
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58 | Parameters.Add(new LookupParameter<DoubleValue>("EvalFleetUsageFactor", "The fleet usage factor considered in the evaluation."));
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59 | Parameters.Add(new LookupParameter<DoubleValue>("EvalTimeFactor", "The time factor considered in the evaluation."));
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60 | Parameters.Add(new LookupParameter<DoubleValue>("EvalDistanceFactor", "The distance factor considered in the evaluation."));
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61 | Parameters.Add(new LookupParameter<DoubleValue>("EvalOverloadPenalty", "The overload penalty considered in the evaluation."));
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62 | Parameters.Add(new LookupParameter<DoubleValue>("EvalTardinessPenalty", "The tardiness penalty considered in the evaluation."));
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63 | Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic manipulation operators."));
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64 | }
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65 |
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66 | protected abstract void Manipulate(IExecutionContext context, IRandom random, PrinsEncoding individual);
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67 |
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68 | public override IOperation Apply(IExecutionContext context) {
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69 | IVRPEncoding solution = VRPToursParameter.ActualValue;
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70 | if (!(solution is PrinsEncoding)) {
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71 | VRPToursParameter.ActualValue = PrinsEncoding.ConvertFrom(solution,
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72 | Cities,
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73 | DueTimeParameter.ActualValue,
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74 | ServiceTimeParameter.ActualValue,
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75 | ReadyTimeParameter.ActualValue,
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76 | DemandParameter.ActualValue,
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77 | CapacityParameter.ActualValue,
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78 | FleetUsageFactor.ActualValue,
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79 | TimeFactor.ActualValue,
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80 | DistanceFactor.ActualValue,
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81 | OverloadPenalty.ActualValue,
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82 | TardinessPenalty.ActualValue,
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83 | CoordinatesParameter.ActualValue,
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84 | DistanceMatrixParameter,
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85 | UseDistanceMatrixParameter.ActualValue);
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86 | }
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87 |
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88 | Manipulate(context, RandomParameter.ActualValue, VRPToursParameter.ActualValue as PrinsEncoding);
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89 |
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90 | return base.Apply(context);
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91 | }
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92 | }
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93 | }
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