1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2016 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.Encodings.PermutationEncoding;
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25 | using HeuristicLab.Parameters;
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26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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27 |
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28 | namespace HeuristicLab.Problems.VehicleRouting.Encodings.Prins {
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29 | [Item("PrinsPermutationManipulator", "An operator which manipulates a VRP representation by using a standard permutation manipulator. It is implemented as described in Prins, C. (2004). A simple and effective evolutionary algorithm for the vehicle routing problem. Computers & Operations Research, 12:1985-2002.")]
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30 | [StorableClass]
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31 | public sealed class PrinsPermutationManipulator : PrinsManipulator {
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32 | public IValueLookupParameter<IPermutationManipulator> InnerManipulatorParameter {
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33 | get { return (IValueLookupParameter<IPermutationManipulator>)Parameters["InnerManipulator"]; }
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34 | }
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35 |
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36 | [StorableConstructor]
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37 | private PrinsPermutationManipulator(bool deserializing) : base(deserializing) { }
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38 |
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39 | public PrinsPermutationManipulator()
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40 | : base() {
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41 | Parameters.Add(new ValueLookupParameter<IPermutationManipulator>("InnerManipulator", "The permutation manipulator.", new TranslocationManipulator()));
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42 | }
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43 |
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44 | public override IDeepCloneable Clone(Cloner cloner) {
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45 | return new PrinsPermutationManipulator(this, cloner);
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46 | }
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47 |
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48 | private PrinsPermutationManipulator(PrinsPermutationManipulator original, Cloner cloner)
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49 | : base(original, cloner) {
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50 | }
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51 |
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52 | protected override void Manipulate(IRandom random, PrinsEncoding individual) {
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53 | InnerManipulatorParameter.ActualValue.PermutationParameter.ActualName = VRPToursParameter.ActualName;
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54 |
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55 | IAtomicOperation op = this.ExecutionContext.CreateOperation(
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56 | InnerManipulatorParameter.ActualValue, this.ExecutionContext.Scope);
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57 | op.Operator.Execute((IExecutionContext)op, CancellationToken);
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58 | }
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59 | }
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60 | }
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