1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 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.Drawing;
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24 | using HeuristicLab.Collections;
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25 | using HeuristicLab.Core;
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26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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27 |
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28 | namespace HeuristicLab.Optimization {
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29 | /// <summary>
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30 | /// A run in which an algorithm is executed a given number of times.
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31 | /// </summary>
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32 | [Item("Batch Run", "A run in which an algorithm is executed a given number of times.")]
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33 | [Creatable("Testing & Analysis")]
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34 | [StorableClass]
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35 | public sealed class BatchRun : NamedItem {
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36 | public override Image ItemImage {
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37 | get { return HeuristicLab.Common.Resources.VS2008ImageLibrary.Event; }
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38 | }
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39 |
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40 | private IAlgorithm algorithm;
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41 | [Storable]
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42 | private IAlgorithm AlgorithmPersistence {
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43 | get { return algorithm; }
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44 | set {
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45 | if (algorithm != null) DeregisterAlgorithmEvents();
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46 | algorithm = value;
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47 | if (algorithm != null) RegisterAlgorithmEvents();
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48 | }
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49 | }
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50 | public IAlgorithm Algorithm {
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51 | get { return algorithm; }
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52 | set {
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53 | if (algorithm != value) {
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54 | if (algorithm != null) DeregisterAlgorithmEvents();
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55 | algorithm = value;
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56 | if (algorithm != null) RegisterAlgorithmEvents();
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57 | OnAlgorithmChanged();
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58 | Prepare();
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59 | }
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60 | }
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61 | }
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62 |
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63 | [Storable]
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64 | private int repetitions;
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65 | public int Repetitions {
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66 | get { return repetitions; }
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67 | set {
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68 | if (repetitions != value) {
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69 | repetitions = value;
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70 | OnRepetitionsChanged();
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71 | }
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72 | }
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73 | }
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74 |
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75 | [Storable]
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76 | private ResultCollection results;
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77 | public ResultCollection Results {
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78 | get { return results; }
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79 | }
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80 |
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81 | [Storable]
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82 | private TimeSpan executionTime;
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83 | public TimeSpan ExecutionTime {
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84 | get { return executionTime; }
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85 | private set {
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86 | if (executionTime != value) {
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87 | executionTime = value;
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88 | OnExecutionTimeChanged();
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89 | }
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90 | }
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91 | }
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92 |
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93 | private bool running;
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94 | public bool Running {
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95 | get { return running; }
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96 | private set {
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97 | if (running != value) {
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98 | running = value;
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99 | OnRunningChanged();
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100 | }
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101 | }
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102 | }
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103 |
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104 | public bool Finished {
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105 | get { return ((Algorithm == null) || (Algorithm.Finished && (results.Count >= repetitions))); }
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106 | }
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107 |
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108 | private bool canceled;
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109 |
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110 | public BatchRun()
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111 | : base() {
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112 | repetitions = 10;
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113 | results = new ResultCollection();
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114 | executionTime = TimeSpan.Zero;
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115 | }
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116 | public BatchRun(string name) : base(name) {
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117 | repetitions = 10;
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118 | results = new ResultCollection();
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119 | executionTime = TimeSpan.Zero;
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120 | }
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121 | public BatchRun(string name, string description) : base(name, description) {
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122 | repetitions = 10;
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123 | results = new ResultCollection();
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124 | executionTime = TimeSpan.Zero;
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125 | }
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126 |
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127 | public override IDeepCloneable Clone(Cloner cloner) {
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128 | BatchRun clone = (BatchRun)base.Clone(cloner);
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129 | clone.Algorithm = (IAlgorithm)cloner.Clone(algorithm);
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130 | clone.repetitions = repetitions;
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131 | clone.results = (ResultCollection)cloner.Clone(results);
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132 | clone.executionTime = executionTime;
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133 | clone.running = running;
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134 | clone.canceled = canceled;
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135 | return clone;
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136 | }
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137 |
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138 | public void Prepare() {
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139 | results.Clear();
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140 | if (Algorithm != null) Algorithm.Prepare();
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141 | OnPrepared();
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142 | }
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143 | public void Start() {
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144 | if (Algorithm != null) Algorithm.Start();
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145 | }
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146 | public void Stop() {
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147 | if (Algorithm != null) {
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148 | canceled = true;
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149 | Algorithm.Stop();
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150 | }
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151 | }
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152 |
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153 | #region Events
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154 | public event EventHandler AlgorithmChanged;
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155 | private void OnAlgorithmChanged() {
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156 | if (AlgorithmChanged != null)
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157 | AlgorithmChanged(this, EventArgs.Empty);
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158 | }
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159 | public event EventHandler RepetitionsChanged;
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160 | private void OnRepetitionsChanged() {
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161 | if (RepetitionsChanged != null)
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162 | RepetitionsChanged(this, EventArgs.Empty);
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163 | }
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164 | public event EventHandler ExecutionTimeChanged;
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165 | private void OnExecutionTimeChanged() {
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166 | if (ExecutionTimeChanged != null)
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167 | ExecutionTimeChanged(this, EventArgs.Empty);
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168 | }
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169 | public event EventHandler RunningChanged;
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170 | private void OnRunningChanged() {
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171 | if (RunningChanged != null)
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172 | RunningChanged(this, EventArgs.Empty);
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173 | }
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174 | public event EventHandler Prepared;
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175 | private void OnPrepared() {
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176 | if (Prepared != null)
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177 | Prepared(this, EventArgs.Empty);
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178 | }
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179 | public event EventHandler Started;
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180 | private void OnStarted() {
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181 | if (Started != null)
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182 | Started(this, EventArgs.Empty);
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183 | }
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184 | public event EventHandler Stopped;
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185 | private void OnStopped() {
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186 | if (Stopped != null)
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187 | Stopped(this, EventArgs.Empty);
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188 | canceled = false;
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189 | Running = false;
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190 | }
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191 | public event EventHandler<HeuristicLab.Common.EventArgs<Exception>> ExceptionOccurred;
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192 | private void OnExceptionOccurred(Exception exception) {
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193 | if (ExceptionOccurred != null)
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194 | ExceptionOccurred(this, new HeuristicLab.Common.EventArgs<Exception>(exception));
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195 | }
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196 |
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197 | private void DeregisterAlgorithmEvents() {
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198 | algorithm.Prepared -= new EventHandler(Algorithm_Prepared);
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199 | algorithm.RunningChanged -= new EventHandler(Algorithm_RunningChanged);
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200 | algorithm.ExceptionOccurred -= new EventHandler<HeuristicLab.Common.EventArgs<Exception>>(Algorithm_ExceptionOccurred);
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201 | }
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202 |
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203 | private void RegisterAlgorithmEvents() {
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204 | algorithm.Prepared += new EventHandler(Algorithm_Prepared);
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205 | algorithm.RunningChanged += new EventHandler(Algorithm_RunningChanged);
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206 | algorithm.ExceptionOccurred += new EventHandler<HeuristicLab.Common.EventArgs<Exception>>(Algorithm_ExceptionOccurred);
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207 | }
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208 |
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209 | private void Algorithm_Prepared(object sender, EventArgs e) {
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210 | results.Add(new Result("Run " + DateTime.Now.ToString(), Algorithm.Results));
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211 | }
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212 | private void Algorithm_RunningChanged(object sender, EventArgs e) {
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213 | if (Algorithm.Running) {
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214 | Running = true;
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215 | OnStarted();
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216 | } else {
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217 | if (!canceled && (results.Count < repetitions)) {
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218 | ExecutionTime += Algorithm.ExecutionTime;
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219 | Algorithm.Prepare();
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220 | Algorithm.Start();
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221 | } else {
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222 | if (Algorithm.Finished) ExecutionTime += Algorithm.ExecutionTime;
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223 | OnStopped();
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224 | }
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225 | }
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226 | }
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227 | private void Algorithm_ExceptionOccurred(object sender, HeuristicLab.Common.EventArgs<Exception> e) {
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228 | OnExceptionOccurred(e.Value);
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229 | }
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230 | #endregion
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231 | }
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232 | }
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