1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2012 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.Optimization;
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28 | using HeuristicLab.Parameters;
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29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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30 |
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31 | namespace HeuristicLab.Encodings.ParameterConfigurationEncoding {
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32 | /// <summary>
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33 | /// TODO
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34 | /// </summary>
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35 | [Item("ParameterConfigurationManipulator", "TODO")]
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36 | [StorableClass]
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37 | public abstract class ParameterConfigurationManipulator : SingleSuccessorOperator, IParameterConfigurationManipulator, IStochasticOperator {
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38 | public override bool CanChangeName {
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39 | get { return false; }
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40 | }
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41 | public ILookupParameter<IRandom> RandomParameter {
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42 | get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
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43 | }
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44 | public IValueLookupParameter<ParameterConfigurationTree> ParameterConfigurationTreeParameter {
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45 | get { return (IValueLookupParameter<ParameterConfigurationTree>)Parameters["ParameterConfigurationTree"]; }
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46 | }
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47 |
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48 | public IValueLookupParameter<IIntValueManipulator> IntValueManipulatorParameter {
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49 | get { return (IValueLookupParameter<IIntValueManipulator>)Parameters["IntValueManipulator"]; }
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50 | }
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51 | public IValueLookupParameter<IDoubleValueManipulator> DoubleValueManipulatorParameter {
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52 | get { return (IValueLookupParameter<IDoubleValueManipulator>)Parameters["DoubleValueManipulator"]; }
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53 | }
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54 |
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55 | #region Constructors and Cloning
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56 | public ParameterConfigurationManipulator()
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57 | : base() {
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58 | Parameters.Add(new ValueLookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic manipulation operators."));
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59 | Parameters.Add(new ValueLookupParameter<ParameterConfigurationTree>("ParameterConfigurationTree", "The parameter configuration which should be manipulated."));
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60 | Parameters.Add(new ValueLookupParameter<IIntValueManipulator>("IntValueManipulator", ""));
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61 | Parameters.Add(new ValueLookupParameter<IDoubleValueManipulator>("DoubleValueManipulator", ""));
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62 | }
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63 |
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64 | [StorableConstructor]
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65 | protected ParameterConfigurationManipulator(bool deserializing) : base(deserializing) { }
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66 | protected ParameterConfigurationManipulator(ParameterConfigurationManipulator original, Cloner cloner) : base(original, cloner) { }
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67 | #endregion
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68 |
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69 | public override IOperation Apply() {
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70 | Apply(RandomParameter.ActualValue, ParameterConfigurationTreeParameter.ActualValue, IntValueManipulatorParameter.ActualValue, DoubleValueManipulatorParameter.ActualValue);
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71 | return base.Apply();
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72 | }
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73 |
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74 | public static void Apply(IRandom random, IValueConfiguration configuration, IIntValueManipulator intValueManipulator, IDoubleValueManipulator doubleValueManipulator) {
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75 | Mutate(random, configuration, intValueManipulator, doubleValueManipulator);
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76 | }
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77 |
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78 | public static void Mutate(IRandom random, IOptimizable configuration, IIntValueManipulator intValueManipulator, IDoubleValueManipulator doubleValueManipulator) {
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79 | var vc = configuration as RangeValueConfiguration;
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80 | var pc = configuration as IParameterConfiguration;
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81 |
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82 | if (vc != null) {
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83 | var value = vc.ActualValue.Value;
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84 | var range = vc.RangeConstraint;
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85 | if (value is IntValue) {
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86 | intValueManipulator.Apply(random, (IntValue)value, (IntValueRange)range);
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87 | } else if (value is PercentValue) {
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88 | doubleValueManipulator.Apply(random, (PercentValue)value, ((PercentValueRange)range).AsDoubleValueRange());
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89 | } else if (value is DoubleValue) {
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90 | doubleValueManipulator.Apply(random, (DoubleValue)value, (DoubleValueRange)range);
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91 | }
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92 | } else if (pc != null) {
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93 | do {
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94 | pc.ActualValueConfigurationIndex = random.Next(pc.ValueConfigurations.Count());
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95 | } while (!pc.ValueConfigurations.ItemChecked(pc.ValueConfigurations[pc.ActualValueConfigurationIndex]));
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96 | pc.ActualValue = pc.ValueConfigurations[pc.ActualValueConfigurationIndex].ActualValue;
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97 | }
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98 | }
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99 | }
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100 | } |
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