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;
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23 | using System.Collections.Generic;
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24 | using System.Drawing;
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25 | using System.IO;
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26 | using System.Linq;
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27 | using HeuristicLab.Clients.Access;
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28 | using HeuristicLab.Collections;
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29 | using HeuristicLab.Common;
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30 | using HeuristicLab.Core;
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31 | using HeuristicLab.Optimization;
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32 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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33 | using HeuristicLab.Persistence.Default.Xml;
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34 |
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35 | namespace HeuristicLab.Clients.OKB.RunCreation {
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36 | [Item("OKB Algorithm", "An algorithm which is stored in the OKB.")]
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37 | [Creatable("Optimization Knowledge Base (OKB)")]
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38 | [StorableClass]
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39 | public sealed class OKBAlgorithm : Item, IAlgorithm, IStorableContent {
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40 | public string Filename { get; set; }
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41 |
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42 | private long algorithmId;
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43 | public long AlgorithmId {
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44 | get { return algorithmId; }
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45 | }
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46 | private IAlgorithm algorithm;
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47 | private IAlgorithm Algorithm {
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48 | get { return algorithm; }
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49 | set {
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50 | if (value == null) throw new ArgumentNullException("Algorithm", "Algorithm cannot be null.");
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51 | if (value != algorithm) {
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52 | CancelEventArgs<string> e = new CancelEventArgs<string>(value.Name);
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53 | OnNameChanging(e);
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54 | if (!e.Cancel) {
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55 | IProblem problem = algorithm.Problem;
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56 | DeregisterAlgorithmEvents();
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57 | algorithm = value;
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58 | RegisterAlgorithmEvents();
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59 |
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60 | OnToStringChanged();
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61 | OnItemImageChanged();
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62 | OnNameChanged();
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63 | OnDescriptionChanged();
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64 | OnAlgorithmChanged();
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65 | OnStoreAlgorithmInEachRunChanged();
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66 |
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67 | try {
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68 | algorithm.Problem = problem;
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69 | }
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70 | catch (ArgumentException) {
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71 | algorithm.Problem = null;
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72 | }
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73 | algorithm.Prepare(true);
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74 | }
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75 | }
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76 | }
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77 | }
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78 |
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79 | public IEnumerable<IOptimizer> NestedOptimizers {
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80 | get {
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81 | // inner algorithm cannot be accessed directly
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82 | return Enumerable.Empty<IOptimizer>();
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83 | }
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84 | }
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85 |
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86 | public override Image ItemImage {
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87 | get { return Algorithm.ItemImage; }
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88 | }
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89 |
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90 | public static new Image StaticItemImage {
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91 | get { return HeuristicLab.Common.Resources.VSImageLibrary.Event; }
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92 | }
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93 |
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94 | public string Name {
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95 | get { return Algorithm.Name; }
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96 | set { throw new NotSupportedException("Name cannot be changed."); }
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97 | }
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98 | public string Description {
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99 | get { return Algorithm.Description; }
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100 | set { throw new NotSupportedException("Description cannot be changed."); }
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101 | }
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102 | public bool CanChangeName {
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103 | get { return false; }
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104 | }
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105 | public bool CanChangeDescription {
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106 | get { return false; }
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107 | }
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108 |
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109 | public IKeyedItemCollection<string, IParameter> Parameters {
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110 | get { return Algorithm.Parameters; }
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111 | }
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112 |
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113 | public ExecutionState ExecutionState {
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114 | get { return Algorithm.ExecutionState; }
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115 | }
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116 | public TimeSpan ExecutionTime {
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117 | get { return Algorithm.ExecutionTime; }
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118 | }
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119 |
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120 | public Type ProblemType {
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121 | get { return Algorithm.ProblemType; }
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122 | }
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123 | public IProblem Problem {
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124 | get { return Algorithm.Problem; }
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125 | set { Algorithm.Problem = value; }
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126 | }
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127 |
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128 | public ResultCollection Results {
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129 | get { return Algorithm.Results; }
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130 | }
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131 |
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132 | private RunCollection runs;
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133 | public RunCollection Runs {
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134 | get { return runs; }
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135 | }
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136 | private bool storeRunsAutomatically;
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137 | public bool StoreRunsAutomatically {
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138 | get { return storeRunsAutomatically; }
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139 | set {
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140 | if (value != storeRunsAutomatically) {
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141 | storeRunsAutomatically = value;
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142 | OnStoreRunsAutomaticallyChanged();
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143 | }
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144 | }
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145 | }
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146 | public bool StoreAlgorithmInEachRun {
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147 | get { return Algorithm.StoreAlgorithmInEachRun; }
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148 | set { Algorithm.StoreAlgorithmInEachRun = value; }
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149 | }
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150 |
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151 | #region Persistence Properties
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152 | [Storable]
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153 | private Guid UserId;
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154 |
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155 | [Storable(Name = "AlgorithmId")]
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156 | private long StorableAlgorithmId {
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157 | get { return algorithmId; }
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158 | set { algorithmId = value; }
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159 | }
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160 | [Storable(Name = "Algorithm")]
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161 | private IAlgorithm StorableAlgorithm {
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162 | get { return algorithm; }
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163 | set {
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164 | algorithm = value;
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165 | RegisterAlgorithmEvents();
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166 | }
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167 | }
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168 | [Storable(Name = "Runs")]
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169 | private RunCollection StorableRuns {
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170 | get { return runs; }
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171 | set {
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172 | runs = value;
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173 | RegisterRunsEvents();
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174 | }
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175 | }
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176 | [Storable(Name = "StoreRunsAutomatically")]
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177 | private bool StorableStoreRunsAutomatically {
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178 | get { return storeRunsAutomatically; }
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179 | set { storeRunsAutomatically = value; }
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180 | }
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181 | #endregion
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182 |
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183 | [StorableConstructor]
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184 | private OKBAlgorithm(bool deserializing) : base(deserializing) { }
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185 | private OKBAlgorithm(OKBAlgorithm original, Cloner cloner)
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186 | : base(original, cloner) {
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187 | algorithmId = original.algorithmId;
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188 | algorithm = cloner.Clone(original.algorithm);
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189 | RegisterAlgorithmEvents();
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190 | runs = cloner.Clone(original.runs);
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191 | storeRunsAutomatically = original.storeRunsAutomatically;
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192 | UserId = original.UserId;
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193 | RegisterRunsEvents();
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194 | }
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195 | public OKBAlgorithm()
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196 | : base() {
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197 | algorithmId = -1;
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198 | algorithm = new EmptyAlgorithm("No algorithm selected. Please choose an algorithm from the OKB.");
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199 | RegisterAlgorithmEvents();
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200 | runs = new RunCollection();
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201 | storeRunsAutomatically = true;
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202 | CheckUserPermissions();
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203 | RegisterRunsEvents();
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204 | }
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205 |
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206 | private void CheckUserPermissions() {
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207 | if (UserInformation.Instance.UserExists) {
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208 | if (UserInformation.Instance.Roles.Count(x => x.Name == OKBRoles.OKBUser || x.Name == OKBRoles.OKBAdministrator) > 0) {
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209 | UserId = UserInformation.Instance.User.Id;
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210 | } else {
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211 | throw new Exception("You don't have the appropriate roles for executing OKB Algorithms.");
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212 | }
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213 | } else {
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214 | throw new Exception("You need an user account for executing OKB Algorithms.");
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215 | }
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216 | }
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217 |
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218 | public override IDeepCloneable Clone(Cloner cloner) {
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219 | return new OKBAlgorithm(this, cloner);
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220 | }
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221 |
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222 | public void Load(long algorithmId) {
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223 | if (this.algorithmId != algorithmId) {
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224 | IAlgorithm algorithm;
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225 | byte[] algorithmData = RunCreationClient.GetAlgorithmData(algorithmId);
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226 | using (MemoryStream stream = new MemoryStream(algorithmData)) {
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227 | algorithm = XmlParser.Deserialize<IAlgorithm>(stream);
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228 | }
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229 | this.algorithmId = algorithmId;
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230 | Algorithm = algorithm;
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231 | }
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232 | }
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233 |
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234 | public IAlgorithm CloneAlgorithm() {
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235 | return (IAlgorithm)Algorithm.Clone();
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236 | }
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237 |
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238 | public void CollectParameterValues(IDictionary<string, IItem> values) {
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239 | Algorithm.CollectParameterValues(values);
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240 | }
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241 | public void CollectResultValues(IDictionary<string, IItem> values) {
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242 | Algorithm.CollectResultValues(values);
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243 | }
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244 |
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245 | public void Prepare() {
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246 | Algorithm.Prepare();
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247 | }
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248 | public void Prepare(bool clearRuns) {
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249 | if (clearRuns) runs.Clear();
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250 | Algorithm.Prepare(clearRuns);
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251 | }
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252 | public void Start() {
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253 | if (!ClientInformation.Instance.ClientExists && storeRunsAutomatically) {
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254 | throw new Exception("To be able to store runs automatically, you need to register your client first.");
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255 | }
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256 | Algorithm.Start();
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257 | }
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258 | public void Pause() {
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259 | Algorithm.Pause();
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260 | }
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261 | public void Stop() {
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262 | Algorithm.Stop();
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263 | }
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264 |
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265 | #region Events
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266 | public event EventHandler AlgorithmChanged;
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267 | private void OnAlgorithmChanged() {
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268 | EventHandler handler = AlgorithmChanged;
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269 | if (handler != null) handler(this, EventArgs.Empty);
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270 | }
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271 | public event EventHandler<CancelEventArgs<string>> NameChanging;
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272 | private void OnNameChanging(CancelEventArgs<string> e) {
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273 | var handler = NameChanging;
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274 | if (handler != null) handler(this, e);
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275 | }
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276 | public event EventHandler NameChanged;
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277 | private void OnNameChanged() {
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278 | var handler = NameChanged;
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279 | if (handler != null) handler(this, EventArgs.Empty);
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280 | }
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281 | public event EventHandler DescriptionChanged;
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282 | private void OnDescriptionChanged() {
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283 | var handler = DescriptionChanged;
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284 | if (handler != null) handler(this, EventArgs.Empty);
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285 | }
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286 | public event EventHandler ExecutionStateChanged;
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287 | private void OnExecutionStateChanged() {
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288 | var handler = ExecutionStateChanged;
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289 | if (handler != null) handler(this, EventArgs.Empty);
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290 | }
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291 | public event EventHandler ExecutionTimeChanged;
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292 | private void OnExecutionTimeChanged() {
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293 | var handler = ExecutionTimeChanged;
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294 | if (handler != null) handler(this, EventArgs.Empty);
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295 | }
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296 | public event EventHandler ProblemChanged;
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297 | private void OnProblemChanged() {
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298 | var handler = ProblemChanged;
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299 | if (handler != null) handler(this, EventArgs.Empty);
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300 | }
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301 | public event EventHandler StoreRunsAutomaticallyChanged;
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302 | private void OnStoreRunsAutomaticallyChanged() {
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303 | var handler = StoreRunsAutomaticallyChanged;
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304 | if (handler != null) handler(this, EventArgs.Empty);
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305 | }
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306 | public event EventHandler StoreAlgorithmInEachRunChanged;
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307 | private void OnStoreAlgorithmInEachRunChanged() {
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308 | var handler = StoreAlgorithmInEachRunChanged;
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309 | if (handler != null) handler(this, EventArgs.Empty);
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310 | }
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311 | public event EventHandler Prepared;
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312 | private void OnPrepared() {
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313 | var handler = Prepared;
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314 | if (handler != null) handler(this, EventArgs.Empty);
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315 | }
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316 | public event EventHandler Started;
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317 | private void OnStarted() {
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318 | var handler = Started;
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319 | if (handler != null) handler(this, EventArgs.Empty);
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320 | }
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321 | public event EventHandler Paused;
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322 | private void OnPaused() {
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323 | var handler = Paused;
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324 | if (handler != null) handler(this, EventArgs.Empty);
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325 | }
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326 | public event EventHandler Stopped;
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327 | private void OnStopped() {
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328 | var handler = Stopped;
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329 | if (handler != null) handler(this, EventArgs.Empty);
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330 | }
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331 | public event EventHandler<EventArgs<Exception>> ExceptionOccurred;
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332 | private void OnExceptionOccurred(Exception exception) {
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333 | var handler = ExceptionOccurred;
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334 | if (handler != null) handler(this, new EventArgs<Exception>(exception));
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335 | }
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336 |
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337 | private void RegisterAlgorithmEvents() {
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338 | if (Algorithm != null) {
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339 | Algorithm.ToStringChanged += new EventHandler(Algorithm_ToStringChanged);
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340 | Algorithm.ItemImageChanged += new EventHandler(Algorithm_ItemImageChanged);
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341 | Algorithm.NameChanging += new EventHandler<CancelEventArgs<string>>(Algorithm_NameChanging);
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342 | Algorithm.NameChanged += new EventHandler(Algorithm_NameChanged);
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343 | Algorithm.DescriptionChanged += new EventHandler(Algorithm_DescriptionChanged);
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344 | Algorithm.ExecutionStateChanged += new EventHandler(Algorithm_ExecutionStateChanged);
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345 | Algorithm.ExecutionTimeChanged += new EventHandler(Algorithm_ExecutionTimeChanged);
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346 | Algorithm.ProblemChanged += new EventHandler(Algorithm_ProblemChanged);
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347 | Algorithm.Runs.ItemsAdded += new CollectionItemsChangedEventHandler<IRun>(Algorithm_Runs_ItemsAdded);
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348 | Algorithm.StoreAlgorithmInEachRunChanged += new EventHandler(Algorithm_StoreAlgorithmInEachRunChanged);
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349 | Algorithm.Prepared += new EventHandler(Algorithm_Prepared);
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350 | Algorithm.Started += new EventHandler(Algorithm_Started);
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351 | Algorithm.Paused += new EventHandler(Algorithm_Paused);
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352 | Algorithm.Stopped += new EventHandler(Algorithm_Stopped);
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353 | Algorithm.ExceptionOccurred += new EventHandler<EventArgs<Exception>>(Algorithm_ExceptionOccurred);
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354 | }
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355 | }
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356 | private void DeregisterAlgorithmEvents() {
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357 | if (Algorithm != null) {
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358 | Algorithm.ToStringChanged -= new EventHandler(Algorithm_ToStringChanged);
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359 | Algorithm.ItemImageChanged -= new EventHandler(Algorithm_ItemImageChanged);
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360 | Algorithm.NameChanging -= new EventHandler<CancelEventArgs<string>>(Algorithm_NameChanging);
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361 | Algorithm.NameChanged -= new EventHandler(Algorithm_NameChanged);
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362 | Algorithm.DescriptionChanged -= new EventHandler(Algorithm_DescriptionChanged);
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363 | Algorithm.ExecutionStateChanged -= new EventHandler(Algorithm_ExecutionStateChanged);
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364 | Algorithm.ExecutionTimeChanged -= new EventHandler(Algorithm_ExecutionTimeChanged);
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365 | Algorithm.ProblemChanged -= new EventHandler(Algorithm_ProblemChanged);
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366 | Algorithm.Runs.ItemsAdded -= new CollectionItemsChangedEventHandler<IRun>(Algorithm_Runs_ItemsAdded);
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367 | Algorithm.StoreAlgorithmInEachRunChanged -= new EventHandler(Algorithm_StoreAlgorithmInEachRunChanged);
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368 | Algorithm.Prepared -= new EventHandler(Algorithm_Prepared);
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369 | Algorithm.Started -= new EventHandler(Algorithm_Started);
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370 | Algorithm.Paused -= new EventHandler(Algorithm_Paused);
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371 | Algorithm.Stopped -= new EventHandler(Algorithm_Stopped);
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372 | Algorithm.ExceptionOccurred -= new EventHandler<EventArgs<Exception>>(Algorithm_ExceptionOccurred);
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373 | }
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374 | }
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375 |
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376 | private void Algorithm_ToStringChanged(object sender, EventArgs e) {
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377 | OnToStringChanged();
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378 | }
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379 | private void Algorithm_ItemImageChanged(object sender, EventArgs e) {
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380 | OnItemImageChanged();
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381 | }
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382 | private void Algorithm_NameChanging(object sender, CancelEventArgs<string> e) {
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383 | OnNameChanging(e);
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384 | }
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385 | private void Algorithm_NameChanged(object sender, EventArgs e) {
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386 | OnNameChanged();
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387 | }
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388 | private void Algorithm_DescriptionChanged(object sender, EventArgs e) {
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389 | OnDescriptionChanged();
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390 | }
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391 | private void Algorithm_ExecutionStateChanged(object sender, EventArgs e) {
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392 | OnExecutionStateChanged();
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393 | }
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394 | private void Algorithm_ExecutionTimeChanged(object sender, EventArgs e) {
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395 | OnExecutionTimeChanged();
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396 | }
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397 | private void Algorithm_ProblemChanged(object sender, EventArgs e) {
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398 | OnProblemChanged();
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399 | }
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400 | private void Algorithm_Runs_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IRun> e) {
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401 | OKBProblem problem = Problem as OKBProblem;
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402 | foreach (IRun run in e.Items) {
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403 | if (problem != null) {
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404 | OKBRun okbRun = new OKBRun(AlgorithmId, problem.ProblemId, run, UserId);
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405 | runs.Add(okbRun);
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406 | if (StoreRunsAutomatically) {
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407 | try { okbRun.Store(); }
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408 | catch (Exception) { }
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409 | }
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410 | } else {
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411 | runs.Add(run);
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412 | }
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413 | }
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414 | }
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415 | private void Algorithm_StoreAlgorithmInEachRunChanged(object sender, EventArgs e) {
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416 | OnStoreAlgorithmInEachRunChanged();
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417 | }
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418 | private void Algorithm_Prepared(object sender, EventArgs e) {
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419 | OnPrepared();
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420 | }
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421 | private void Algorithm_Started(object sender, EventArgs e) {
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422 | OnStarted();
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423 | }
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424 | private void Algorithm_Paused(object sender, EventArgs e) {
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425 | OnPaused();
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426 | }
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427 | private void Algorithm_Stopped(object sender, EventArgs e) {
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428 | OnStopped();
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429 | }
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430 | private void Algorithm_ExceptionOccurred(object sender, EventArgs<Exception> e) {
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431 | OnExceptionOccurred(e.Value);
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432 | }
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433 |
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434 | private void RegisterRunsEvents() {
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435 | runs.ItemsRemoved += new CollectionItemsChangedEventHandler<IRun>(runs_ItemsRemoved);
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436 | runs.CollectionReset += new CollectionItemsChangedEventHandler<IRun>(Runs_CollectionReset);
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437 | }
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438 | private void runs_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IRun> e) {
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439 | foreach (IRun run in e.Items) {
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440 | OKBRun okbRun = run as OKBRun;
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441 | if (okbRun != null)
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442 | Algorithm.Runs.Remove(okbRun.WrappedRun);
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443 | else
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444 | Algorithm.Runs.Remove(run);
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445 | }
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446 | }
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447 | private void Runs_CollectionReset(object sender, CollectionItemsChangedEventArgs<IRun> e) {
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448 | foreach (IRun run in e.OldItems) {
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449 | OKBRun okbRun = run as OKBRun;
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450 | if (okbRun != null)
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451 | Algorithm.Runs.Remove(okbRun.WrappedRun);
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452 | else
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453 | Algorithm.Runs.Remove(run);
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454 | }
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455 | }
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456 | #endregion
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457 | }
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458 | }
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