1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2011 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.Operators;
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24 | using HeuristicLab.Core;
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25 | using HeuristicLab.Data;
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26 | using HeuristicLab.Parameters;
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27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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28 | using HeuristicLab.Common;
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29 | using HeuristicLab.Optimization;
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30 |
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31 | namespace HeuristicLab.Encodings.RealVectorEncoding {
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32 | [Item("RealVectorParticleCreator", "Creates a particle with position, zero velocity vector and personal best.")]
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33 | [StorableClass]
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34 | public class RealVectorParticleCreator : SingleSuccessorOperator, IRealVectorParticleCreator {
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35 | #region IRealVectorParticleCreator Members
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36 | public ILookupParameter<IntValue> ProblemSizeParameter {
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37 | get { return (ILookupParameter<IntValue>)Parameters["ProblemSize"]; }
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38 | }
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39 |
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40 | public ILookupParameter<RealVector> RealVectorParameter {
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41 | get { return (ILookupParameter<RealVector>)Parameters["RealVector"]; }
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42 | }
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43 |
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44 | public ILookupParameter<RealVector> PersonalBestParameter {
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45 | get { return (ILookupParameter<RealVector>)Parameters["PersonalBest"]; }
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46 | }
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47 |
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48 | public IValueLookupParameter<DoubleMatrix> BoundsParameter {
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49 | get { return (IValueLookupParameter<DoubleMatrix>)Parameters["Bounds"]; }
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50 | }
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51 |
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52 | public ILookupParameter<RealVector> VelocityParameter {
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53 | get { return (ILookupParameter<RealVector>)Parameters["Velocity"]; }
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54 | }
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55 |
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56 | #endregion
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57 |
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58 | public RealVectorParticleCreator() : base() {
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59 | Parameters.Add(new LookupParameter<IntValue>("ProblemSize", "The dimension of the problem."));
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60 | Parameters.Add(new ValueLookupParameter<DoubleMatrix>("Bounds", "The lower and upper bounds in each dimension."));
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61 | Parameters.Add(new LookupParameter<RealVector>("RealVector", "Particle's current solution"));
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62 | Parameters.Add(new LookupParameter<RealVector>("PersonalBest", "Particle's personal best solution."));
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63 | Parameters.Add(new LookupParameter<RealVector>("Velocity", "Particle's current velocity."));
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64 | }
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65 |
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66 | public override IOperation Apply() {
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67 | VelocityParameter.ActualValue = new RealVector(ProblemSizeParameter.ActualValue.Value);
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68 | UniformRandomRealVectorCreator realVectorCreater = new UniformRandomRealVectorCreator();
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69 | Assigner personalBestPositionAssigner = new Assigner();
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70 |
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71 | this.Name = "Particle Creator";
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72 |
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73 | //realVectorCreater.Name = "(SolutionCreator)";
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74 | realVectorCreater.RealVectorParameter.ActualName = "RealVector";
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75 | realVectorCreater.LengthParameter.ActualName = ProblemSizeParameter.Name;
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76 | realVectorCreater.BoundsParameter.ActualName = BoundsParameter.Name;
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77 | realVectorCreater.Successor = personalBestPositionAssigner;
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78 |
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79 | personalBestPositionAssigner.LeftSideParameter.ActualName = "PersonalBest";
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80 | personalBestPositionAssigner.RightSideParameter.ActualName = "RealVector";
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81 | personalBestPositionAssigner.Successor = null;
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82 |
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83 | OperationCollection next = new OperationCollection();
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84 | next.Add(ExecutionContext.CreateChildOperation(realVectorCreater));
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85 | next.Add(base.Apply());
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86 | return next;
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87 | }
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88 |
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89 | public override IDeepCloneable Clone(Cloner cloner) {
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90 | return new RealVectorParticleCreator(this, cloner);
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91 | }
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92 |
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93 | protected RealVectorParticleCreator(RealVectorParticleCreator original, Cloner cloner)
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94 | : base(original, cloner) {
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95 | }
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96 |
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97 | [StorableConstructor]
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98 | protected RealVectorParticleCreator(bool deserializing) : base(deserializing) { }
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99 | }
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100 | }
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