1 | #region License Information
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2 |
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3 | /* HeuristicLab
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4 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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5 | *
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6 | * This file is part of HeuristicLab.
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7 | *
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8 | * HeuristicLab is free software: you can redistribute it and/or modify
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9 | * it under the terms of the GNU General Public License as published by
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10 | * the Free Software Foundation, either version 3 of the License, or
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11 | * (at your option) any later version.
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12 | *
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13 | * HeuristicLab is distributed in the hope that it will be useful,
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | * GNU General Public License for more details.
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17 | *
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18 | * You should have received a copy of the GNU General Public License
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19 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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20 | */
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21 |
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22 | #endregion
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23 |
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24 | using System;
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25 | using System.Linq;
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26 | using HeuristicLab.Common;
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27 | using HeuristicLab.Core;
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28 | using HeuristicLab.Data;
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29 | using HeuristicLab.Operators;
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30 | using HeuristicLab.Parameters;
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31 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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32 |
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33 | namespace HeuristicLab.Algorithms.SimulatedAnnealing
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34 | {
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35 | [Item("TemperatureController", "Decides based on information from the heatingoperator, whether to use cooling or heating and calls the appropriate operator.")]
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36 | [StorableClass]
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37 | public class TemperatureController : SingleSuccessorOperator
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38 | {
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39 | #region Strings
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40 | private const string ReheatingOperatorName = "ReheatingOperator";
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41 | private const string AnnealingOperatorName = "AnnealingOperator";
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42 | private const string MaximumIterationsName = "MaximumIterations";
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43 | private const string LowerTemperatureName = "LowerTemperature";
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44 | private const string IterationsName = "Iterations";
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45 | private const string TemperatureStartIndexName = "TemperatureStartIndex";
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46 | private const string CoolingName = "Cooling";
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47 | private const string StartTemperatureName = "StartTemperature";
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48 | private const string EndTemperatureName = "EndTemperature";
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49 | private const string TemperatureName = "Temperature";
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50 | private const string IsAcceptedName = "IsAccepted";
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51 | private const string AcceptanceMemoryName = "AcceptanceMemory";
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52 | #endregion
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53 |
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54 | #region Parameter Properties
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55 | public ILookupParameter<DoubleValue> TemperatureParameter
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56 | {
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57 | get { return (ILookupParameter<DoubleValue>)Parameters[TemperatureName]; }
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58 | }
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59 | public IValueLookupParameter<DoubleValue> LowerTemperatureParameter
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60 | {
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61 | get { return (IValueLookupParameter<DoubleValue>)Parameters[LowerTemperatureName]; }
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62 | }
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63 | public ILookupParameter<DoubleValue> StartTemperatureParameter
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64 | {
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65 | get { return (ILookupParameter<DoubleValue>)Parameters[StartTemperatureName]; }
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66 | }
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67 | public ILookupParameter<DoubleValue> EndTemperatureParameter
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68 | {
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69 | get { return (ILookupParameter<DoubleValue>)Parameters[EndTemperatureName]; }
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70 | }
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71 | public ILookupParameter<IntValue> TemperatureStartIndexParameter
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72 | {
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73 | get { return (ILookupParameter<IntValue>)Parameters[TemperatureStartIndexName]; }
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74 | }
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75 | public ILookupParameter<BoolValue> CoolingParameter
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76 | {
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77 | get { return (ILookupParameter<BoolValue>)Parameters[CoolingName]; }
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78 | }
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79 | public ILookupParameter<IntValue> IterationsParameter
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80 | {
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81 | get { return (ILookupParameter<IntValue>)Parameters[IterationsName]; }
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82 | }
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83 | public IValueLookupParameter<IntValue> MaximumIterationsParameter
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84 | {
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85 | get { return (IValueLookupParameter<IntValue>)Parameters[MaximumIterationsName]; }
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86 | }
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87 | public IValueLookupParameter<IOperator> AnnealingOperatorParameter
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88 | {
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89 | get { return (IValueLookupParameter<IOperator>)Parameters[AnnealingOperatorName]; }
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90 | }
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91 | public IValueLookupParameter<IReheatingOperator> ReheatingOperatorParameter
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92 | {
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93 | get { return (IValueLookupParameter<IReheatingOperator>)Parameters[ReheatingOperatorName]; }
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94 | }
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95 | public ILookupParameter<BoolValue> IsAcceptedParameter
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96 | {
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97 | get { return (ILookupParameter<BoolValue>)Parameters[IsAcceptedName]; }
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98 | }
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99 | public ILookupParameter<ItemList<BoolValue>> AcceptanceMemoryParameter
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100 | {
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101 | get { return (ILookupParameter<ItemList<BoolValue>>)Parameters[AcceptanceMemoryName]; }
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102 | }
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103 | #endregion
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104 |
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105 | [StorableConstructor]
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106 | protected TemperatureController(bool deserializing) : base(deserializing) { }
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107 | protected TemperatureController(TemperatureController original, Cloner cloner) : base(original, cloner) { }
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108 | public TemperatureController()
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109 | : base()
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110 | {
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111 | Parameters.Add(new LookupParameter<DoubleValue>(TemperatureName, "The current temperature."));
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112 | Parameters.Add(new ValueLookupParameter<DoubleValue>(LowerTemperatureName, "The lower bound of the temperature."));
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113 | Parameters.Add(new LookupParameter<IntValue>(IterationsName, "The number of iterations."));
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114 | Parameters.Add(new ValueLookupParameter<IntValue>(MaximumIterationsName, "The maximum number of iterations which should be processed."));
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115 | Parameters.Add(new ValueLookupParameter<IOperator>(AnnealingOperatorName, "The operator that cools the temperature."));
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116 | Parameters.Add(new ValueLookupParameter<IReheatingOperator>(ReheatingOperatorName, "The operator that reheats the temperature if necessary."));
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117 | Parameters.Add(new LookupParameter<IntValue>(TemperatureStartIndexName, "The index where the annealing or heating was last changed."));
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118 | Parameters.Add(new LookupParameter<BoolValue>(CoolingName, "True when the temperature should be cooled, false otherwise."));
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119 | Parameters.Add(new LookupParameter<DoubleValue>(StartTemperatureName, "The temperature from which cooling or reheating should occur."));
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120 | Parameters.Add(new LookupParameter<DoubleValue>(EndTemperatureName, "The temperature to which should be cooled or heated."));
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121 | Parameters.Add(new LookupParameter<BoolValue>(IsAcceptedName, "Whether the move was accepted or not."));
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122 | Parameters.Add(new LookupParameter<ItemList<BoolValue>>(AcceptanceMemoryName, "Memorizes the last N acceptance decisions."));
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123 | }
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124 |
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125 | public override IDeepCloneable Clone(Cloner cloner)
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126 | {
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127 | return new TemperatureController(this, cloner);
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128 | }
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129 |
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130 | public override IOperation Apply()
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131 | {
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132 | return new OperationCollection {
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133 | ExecutionContext.CreateOperation(ReheatingOperatorParameter.ActualValue),
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134 | base.Apply()
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135 | };
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136 | }
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137 | }
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138 | } |
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