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;
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23 | using System.ComponentModel;
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24 | using System.Collections.Generic;
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25 | using System.Drawing;
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26 |
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27 | using HeuristicLab.Core;
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28 | using HeuristicLab.Optimization;
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29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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30 | using HeuristicLab.Common;
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31 | using HeuristicLab.Common.Resources;
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32 |
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33 | namespace HeuristicLab.OptimizationExpertSystem {
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34 | [Item("Expert-System Optimizer", "Currently in experimental phase, an expert system that makes algorithm suggestions based on fitness landscape analysis features and an optimization knowledge base.")]
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35 | [StorableClass]
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36 | [Creatable(CreatableAttribute.Categories.TestingAndAnalysis, Priority = 118)]
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37 | public sealed class ExpertSystemOptimizer : ParameterizedNamedItem, IOptimizer, IStorableContent, INotifyPropertyChanged {
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38 |
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39 | public string Filename { get; set; }
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40 |
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41 | public static new Image StaticItemImage {
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42 | get { return VSImageLibrary.Library; }
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43 | }
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44 |
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45 | [Storable]
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46 | private int maximumEvaluations;
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47 | public int MaximumEvaluations {
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48 | get { return maximumEvaluations; }
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49 | set {
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50 | if (maximumEvaluations == value) return;
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51 | maximumEvaluations = value;
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52 | OnPropertyChanged("MaximumEvaluations");
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53 | }
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54 | }
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55 |
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56 | [Storable]
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57 | private RunCollection runs;
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58 | public RunCollection Runs {
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59 | get { return runs; }
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60 | private set {
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61 | if (value == null) throw new ArgumentNullException("value");
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62 | if (runs == value) return;
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63 | runs = value;
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64 | OnPropertyChanged("Runs");
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65 | }
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66 | }
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67 |
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68 | [Storable]
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69 | private ExecutionState executionState;
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70 | public ExecutionState ExecutionState {
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71 | get { return executionState; }
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72 | private set {
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73 | if (executionState != value) {
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74 | executionState = value;
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75 | OnPropertyChanged("ExecutionState");
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76 | OnExecutionStateChanged();
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77 | OnItemImageChanged();
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78 | }
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79 | }
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80 | }
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81 |
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82 | [Storable]
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83 | private TimeSpan executionTime;
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84 | public TimeSpan ExecutionTime {
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85 | get { return executionTime; }
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86 | private set {
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87 | if (executionTime == value) return;
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88 | executionTime = value;
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89 | OnPropertyChanged("ExecutionTime");
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90 | OnExecutionTimeChanged();
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91 | }
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92 | }
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93 |
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94 | [Storable]
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95 | private RunCollection knowledgeBase;
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96 | public RunCollection KnowledgeBase {
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97 | get { return knowledgeBase; }
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98 | private set {
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99 | if (value == null) throw new ArgumentNullException("value");
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100 | if (knowledgeBase == value) return;
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101 | knowledgeBase = value;
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102 | OnPropertyChanged("KnowledgeBase");
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103 | }
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104 | }
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105 |
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106 | [Storable]
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107 | private IProblem problem;
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108 | public IProblem Problem {
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109 | get { return problem; }
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110 | set {
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111 | if (problem == value) return;
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112 | problem = value;
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113 | OnPropertyChanged("Problem");
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114 | }
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115 | }
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116 |
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117 | [Storable]
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118 | private ItemList<IAlgorithm> suggestedInstances;
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119 | private ReadOnlyItemList<IAlgorithm> readOnlySuggestedInstances;
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120 | public ReadOnlyItemList<IAlgorithm> SuggestedInstances {
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121 | get { return readOnlySuggestedInstances; }
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122 | }
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123 |
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124 | public IEnumerable<IOptimizer> NestedOptimizers {
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125 | get { return SuggestedInstances; }
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126 | }
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127 |
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128 | [StorableConstructor]
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129 | private ExpertSystemOptimizer(bool deserializing) : base(deserializing) { }
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130 | private ExpertSystemOptimizer(ExpertSystemOptimizer original, Cloner cloner)
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131 | : base(original, cloner) {
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132 | runs = cloner.Clone(original.runs);
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133 | executionState = original.executionState;
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134 | executionTime = original.executionTime;
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135 | knowledgeBase = cloner.Clone(original.knowledgeBase);
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136 | problem = cloner.Clone(original.problem);
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137 | suggestedInstances = cloner.Clone(original.suggestedInstances);
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138 | readOnlySuggestedInstances = suggestedInstances.AsReadOnly();
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139 | }
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140 | public ExpertSystemOptimizer() {
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141 | Runs = new RunCollection();
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142 | KnowledgeBase = new RunCollection();
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143 | suggestedInstances = new ItemList<IAlgorithm>();
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144 | readOnlySuggestedInstances = suggestedInstances.AsReadOnly();
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145 | ExecutionState = ExecutionState.Stopped;
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146 | ExecutionTime = TimeSpan.Zero;
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147 | }
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148 |
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149 | public override IDeepCloneable Clone(Cloner cloner) {
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150 | return new ExpertSystemOptimizer(this, cloner);
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151 | }
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152 |
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153 | [StorableHook(HookType.AfterDeserialization)]
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154 | private void AfterDeserialization() {
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155 | readOnlySuggestedInstances = suggestedInstances.AsReadOnly();
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156 | }
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157 |
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158 | public void Prepare() {
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159 | Prepare(false);
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160 | }
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161 |
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162 | public void Prepare(bool clearRuns) {
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163 | if ((ExecutionState != ExecutionState.Prepared) && (ExecutionState != ExecutionState.Paused) && (ExecutionState != ExecutionState.Stopped))
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164 | throw new InvalidOperationException(string.Format("Prepare not allowed in execution state \"{0}\".", ExecutionState));
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165 | if (clearRuns) Runs.Clear();
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166 | ExecutionTime = TimeSpan.Zero;
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167 | ExecutionState = ExecutionState.Prepared;
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168 | OnPrepared();
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169 | }
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170 |
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171 | public void Start() {
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172 | if ((ExecutionState != ExecutionState.Prepared) && (ExecutionState != ExecutionState.Paused))
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173 | throw new InvalidOperationException(string.Format("Start not allowed in execution state \"{0}\".", ExecutionState));
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174 | ExecutionState = ExecutionState.Started;
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175 | OnStarted();
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176 | }
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177 |
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178 | public void Pause() {
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179 | if (ExecutionState != ExecutionState.Started)
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180 | throw new InvalidOperationException(string.Format("Pause not allowed in execution state \"{0}\".", ExecutionState));
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181 | ExecutionState = ExecutionState.Paused;
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182 | OnPaused();
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183 | }
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184 |
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185 |
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186 | public void Stop() {
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187 | if ((ExecutionState != ExecutionState.Started) && (ExecutionState != ExecutionState.Paused))
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188 | throw new InvalidOperationException(string.Format("Stop not allowed in execution state \"{0}\".", ExecutionState));
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189 | ExecutionState = ExecutionState.Stopped;
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190 | OnStopped();
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191 | }
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192 |
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193 | public event EventHandler Prepared;
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194 | private void OnPrepared() {
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195 | var handler = Prepared;
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196 | if (handler != null) handler(this, EventArgs.Empty);
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197 | }
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198 |
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199 | public event EventHandler Started;
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200 | private void OnStarted() {
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201 | var handler = Started;
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202 | if (handler != null) handler(this, EventArgs.Empty);
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203 | }
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204 |
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205 | public event EventHandler Paused;
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206 | private void OnPaused() {
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207 | var handler = Paused;
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208 | if (handler != null) handler(this, EventArgs.Empty);
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209 | }
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210 |
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211 | public event EventHandler Stopped;
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212 | private void OnStopped() {
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213 | var handler = Stopped;
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214 | if (handler != null) handler(this, EventArgs.Empty);
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215 | }
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216 |
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217 | public event EventHandler<EventArgs<Exception>> ExceptionOccurred;
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218 | private void OnExceptionOccurred(Exception e) {
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219 | var handler = ExceptionOccurred;
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220 | if (handler != null) handler(this, new EventArgs<Exception>(e));
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221 | }
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222 |
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223 | public event EventHandler ExecutionStateChanged;
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224 | private void OnExecutionStateChanged() {
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225 | var handler = ExecutionStateChanged;
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226 | if (handler != null) handler(this, EventArgs.Empty);
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227 | }
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228 |
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229 | public event EventHandler ExecutionTimeChanged;
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230 | private void OnExecutionTimeChanged() {
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231 | var handler = ExecutionTimeChanged;
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232 | if (handler != null) handler(this, EventArgs.Empty);
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233 | }
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234 |
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235 | public event PropertyChangedEventHandler PropertyChanged;
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236 | private void OnPropertyChanged(string propertyName) {
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237 | var handler = PropertyChanged;
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238 | if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
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239 | }
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240 | }
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241 | }
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