| 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2015 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.Linq;
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| 23 | using HeuristicLab.Common;
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| 24 | using HeuristicLab.Core;
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| 25 | using HeuristicLab.Data;
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| 26 | using HeuristicLab.Operators;
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| 27 | using HeuristicLab.Parameters;
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| 28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 29 |
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| 30 | namespace HeuristicLab.Problems.VehicleRouting {
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| 31 | [Item("BestTimeWindowedVRPToursMemorizer", "An operator that updates the best VRP tour found so far in the scope three.")]
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| 32 | [StorableClass]
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| 33 | public class BestTimeWindowedVRPToursMemorizer : SingleSuccessorOperator {
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| 34 | public ScopeTreeLookupParameter<DoubleValue> TardinessParameter {
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| 35 | get { return (ScopeTreeLookupParameter<DoubleValue>)Parameters["Tardiness"]; }
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| 36 | }
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| 37 | public ScopeTreeLookupParameter<DoubleValue> TravelTimeParameter {
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| 38 | get { return (ScopeTreeLookupParameter<DoubleValue>)Parameters["TravelTime"]; }
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| 39 | }
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| 40 |
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| 41 | public ValueLookupParameter<DoubleValue> BestTardinessParameter {
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| 42 | get { return (ValueLookupParameter<DoubleValue>)Parameters["BestTardiness"]; }
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| 43 | }
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| 44 | public ValueLookupParameter<DoubleValue> BestTravelTimeParameter {
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| 45 | get { return (ValueLookupParameter<DoubleValue>)Parameters["BestTravelTime"]; }
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| 46 | }
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| 47 |
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| 48 | public BestTimeWindowedVRPToursMemorizer()
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| 49 | : base() {
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| 50 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Tardiness", "The tardiness of the VRP solutions which should be analyzed."));
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| 51 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("TravelTime", "The travel times of the VRP solutions which should be analyzed."));
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| 52 |
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| 53 | Parameters.Add(new ValueLookupParameter<DoubleValue>("BestTardiness", "The best tardiness found so far."));
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| 54 | Parameters.Add(new ValueLookupParameter<DoubleValue>("BestTravelTime", "The best travel time found so far."));
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| 55 | }
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| 56 |
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| 57 | public override IOperation Apply() {
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| 58 | int i = TardinessParameter.ActualValue.Select((x, index) => new { index, x.Value }).OrderBy(x => x.Value).First().index;
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| 59 | if (BestTardinessParameter.ActualValue == null)
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| 60 | BestTardinessParameter.ActualValue = new DoubleValue(TardinessParameter.ActualValue[i].Value);
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| 61 | else if (TardinessParameter.ActualValue[i].Value <= BestTardinessParameter.ActualValue.Value)
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| 62 | BestTardinessParameter.ActualValue.Value = TardinessParameter.ActualValue[i].Value;
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| 63 |
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| 64 | i = TravelTimeParameter.ActualValue.Select((x, index) => new { index, x.Value }).OrderBy(x => x.Value).First().index;
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| 65 | if (BestTravelTimeParameter.ActualValue == null)
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| 66 | BestTravelTimeParameter.ActualValue = new DoubleValue(TravelTimeParameter.ActualValue[i].Value);
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| 67 | else if (TravelTimeParameter.ActualValue[i].Value <= BestTravelTimeParameter.ActualValue.Value)
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| 68 | BestTravelTimeParameter.ActualValue.Value = TravelTimeParameter.ActualValue[i].Value;
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| 69 |
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| 70 | return base.Apply();
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| 71 | }
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| 72 |
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| 73 | [StorableConstructor]
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| 74 | protected BestTimeWindowedVRPToursMemorizer(bool deserializing) : base(deserializing) { }
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| 75 |
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| 76 | public override IDeepCloneable Clone(Cloner cloner) {
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| 77 | return new BestTimeWindowedVRPToursMemorizer(this, cloner);
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| 78 | }
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| 79 |
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| 80 | protected BestTimeWindowedVRPToursMemorizer(BestTimeWindowedVRPToursMemorizer original, Cloner cloner)
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| 81 | : base(original, cloner) {
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| 82 | }
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| 83 | }
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| 84 | }
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