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.Collections.Generic;
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24 | using System.Linq;
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25 | using HeuristicLab.Clients.Common;
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26 | using HeuristicLab.Collections;
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27 | using HeuristicLab.Common;
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28 | using HeuristicLab.Core;
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29 | using HeuristicLab.PluginInfrastructure;
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30 |
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31 | namespace HeuristicLab.Clients.OKB {
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32 | [Item("Administrator", "OKB administrator front-end.")]
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33 | public sealed class Administrator : IContent {
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34 | private static Administrator instance;
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35 | public static Administrator Instance {
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36 | get {
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37 | if (instance == null) instance = new Administrator();
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38 | return instance;
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39 | }
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40 | }
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41 |
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42 | private ItemCollection<Platform> platforms;
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43 | public ItemCollection<Platform> Platforms {
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44 | get { return platforms; }
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45 | }
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46 | private ItemCollection<AlgorithmClass> algorithmClasses;
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47 | public ItemCollection<AlgorithmClass> AlgorithmClasses {
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48 | get { return algorithmClasses; }
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49 | }
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50 | private ItemCollection<Algorithm> algorithms;
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51 | public ItemCollection<Algorithm> Algorithms {
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52 | get { return algorithms; }
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53 | }
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54 | private ItemCollection<DataType> dataTypes;
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55 | public ItemCollection<DataType> DataTypes {
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56 | get { return dataTypes; }
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57 | }
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58 | private IEnumerable<User> users;
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59 | public IEnumerable<User> Users {
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60 | get { return users; }
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61 | }
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62 |
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63 | private Administrator() { }
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64 |
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65 | public void Refresh() {
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66 | OnRefreshing();
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67 | if (platforms == null) {
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68 | platforms = new ItemCollection<Platform>();
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69 | platforms.ItemsRemoved += new CollectionItemsChangedEventHandler<Platform>(platforms_ItemsRemoved);
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70 | }
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71 | platforms.Clear();
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72 | if (algorithmClasses == null) {
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73 | algorithmClasses = new ItemCollection<AlgorithmClass>();
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74 | algorithmClasses.ItemsRemoved += new CollectionItemsChangedEventHandler<AlgorithmClass>(algorithmClasses_ItemsRemoved);
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75 | }
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76 | algorithmClasses.Clear();
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77 | if (algorithms == null) {
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78 | algorithms = new ItemCollection<Algorithm>();
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79 | algorithms.ItemsRemoved += new CollectionItemsChangedEventHandler<Algorithm>(algorithms_ItemsRemoved);
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80 | }
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81 | algorithms.Clear();
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82 | if (dataTypes == null) {
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83 | dataTypes = new ItemCollection<DataType>();
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84 | dataTypes.ItemsRemoved += new CollectionItemsChangedEventHandler<DataType>(dataTypes_ItemsRemoved);
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85 | }
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86 | dataTypes.Clear();
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87 |
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88 | var call = new Func<Exception>(delegate() {
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89 | try {
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90 | platforms.AddRange(CallAdminService<Platform[]>(s => s.GetPlatforms()).OrderBy(x => x.Name));
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91 | algorithmClasses.AddRange(CallAdminService<AlgorithmClass[]>(s => s.GetAlgorithmClasses()).OrderBy(x => x.Name));
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92 | algorithms.AddRange(CallAdminService<Algorithm[]>(s => s.GetAlgorithms()).OrderBy(x => x.Name));
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93 | dataTypes.AddRange(CallAdminService<DataType[]>(s => s.GetDataTypes()).OrderBy(x => x.Name));
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94 | users = CallAuthenticationService<User[]>(s => s.GetUsers()).OrderBy(x => x.Name);
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95 | return null;
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96 | }
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97 | catch (Exception ex) {
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98 | return ex;
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99 | }
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100 | });
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101 | call.BeginInvoke(delegate(IAsyncResult result) {
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102 | Exception ex = call.EndInvoke(result);
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103 | if (ex != null) ErrorHandling.ShowErrorDialog("Refresh failed.", ex);
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104 | OnRefreshed();
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105 | }, null);
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106 | }
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107 |
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108 | public bool Store(IOKBItem item) {
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109 | try {
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110 | if (item is Platform)
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111 | CallAdminService(s => s.StorePlatform((Platform)item));
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112 | else if (item is AlgorithmClass)
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113 | CallAdminService(s => s.StoreAlgorithmClass((AlgorithmClass)item));
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114 | else if (item is Algorithm)
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115 | CallAdminService(s => s.StoreAlgorithm((Algorithm)item));
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116 | else if (item is DataType)
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117 | CallAdminService(s => s.StoreDataType((DataType)item));
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118 | return true;
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119 | }
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120 | catch (Exception ex) {
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121 | ErrorHandling.ShowErrorDialog("Store failed.", ex);
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122 | return false;
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123 | }
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124 | }
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125 |
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126 | public Guid[] GetAlgorithmUsers(long algorithmId) {
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127 | try {
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128 | return CallAdminService<Guid[]>(s => s.GetAlgorithmUsers(algorithmId));
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129 | }
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130 | catch (Exception ex) {
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131 | ErrorHandling.ShowErrorDialog("Refresh authorized algorithm users failed.", ex);
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132 | return null;
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133 | }
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134 | }
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135 | public bool StoreAlgorithmUsers(long algorithmId, Guid[] users) {
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136 | try {
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137 | CallAdminService(s => s.StoreAlgorithmUsers(algorithmId, users));
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138 | return true;
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139 | }
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140 | catch (Exception ex) {
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141 | ErrorHandling.ShowErrorDialog("Store authorized algorithm users failed.", ex);
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142 | return false;
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143 | }
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144 | }
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145 |
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146 | public bool StoreAlgorithmData(AlgorithmData algorithmData) {
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147 | try {
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148 | CallAdminService(s => s.StoreAlgorithmData(algorithmData));
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149 | return true;
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150 | }
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151 | catch (Exception ex) {
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152 | ErrorHandling.ShowErrorDialog("Store serialized algorithm failed.", ex);
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153 | return false;
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154 | }
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155 | }
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156 |
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157 | public event EventHandler Refreshing;
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158 | private void OnRefreshing() {
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159 | EventHandler handler = Refreshing;
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160 | if (handler != null) handler(this, EventArgs.Empty);
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161 | }
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162 | public event EventHandler Refreshed;
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163 | private void OnRefreshed() {
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164 | EventHandler handler = Refreshed;
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165 | if (handler != null) handler(this, EventArgs.Empty);
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166 | }
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167 |
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168 | private void platforms_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<Platform> e) {
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169 | try {
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170 | foreach (Platform p in e.Items)
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171 | CallAdminService(s => s.DeletePlatform(p.Id));
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172 | }
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173 | catch (Exception ex) {
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174 | ErrorHandling.ShowErrorDialog("Delete failed.", ex);
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175 | }
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176 | }
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177 | private void algorithmClasses_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<AlgorithmClass> e) {
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178 | try {
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179 | foreach (AlgorithmClass a in e.Items)
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180 | CallAdminService(s => s.DeleteAlgorithmClass(a.Id));
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181 | }
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182 | catch (Exception ex) {
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183 | ErrorHandling.ShowErrorDialog("Delete failed.", ex);
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184 | }
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185 | }
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186 | private void algorithms_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<Algorithm> e) {
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187 | try {
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188 | foreach (Algorithm a in e.Items)
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189 | CallAdminService(s => s.DeleteAlgorithm(a.Id));
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190 | }
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191 | catch (Exception ex) {
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192 | ErrorHandling.ShowErrorDialog("Delete failed.", ex);
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193 | }
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194 | }
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195 | private void dataTypes_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<DataType> e) {
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196 | try {
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197 | foreach (DataType d in e.Items)
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198 | CallAdminService(s => s.DeleteDataType(d.Id));
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199 | }
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200 | catch (Exception ex) {
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201 | ErrorHandling.ShowErrorDialog("Delete failed.", ex);
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202 | }
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203 | }
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204 |
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205 | #region Helpers
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206 | private void CallAdminService(Action<IAdminService> call) {
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207 | AdminServiceClient client = ClientFactory.CreateClient<AdminServiceClient, IAdminService>();
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208 | try {
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209 | call(client);
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210 | }
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211 | finally {
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212 | try {
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213 | client.Close();
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214 | }
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215 | catch (Exception) {
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216 | client.Abort();
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217 | }
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218 | }
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219 | }
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220 | private T CallAdminService<T>(Func<IAdminService, T> call) where T : class {
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221 | AdminServiceClient client = ClientFactory.CreateClient<AdminServiceClient, IAdminService>();
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222 | try {
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223 | return call(client);
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224 | }
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225 | finally {
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226 | try {
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227 | client.Close();
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228 | }
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229 | catch (Exception) {
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230 | client.Abort();
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231 | }
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232 | }
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233 | }
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234 | private T CallAuthenticationService<T>(Func<IAuthenticationService, T> call) where T : class {
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235 | AuthenticationServiceClient client = ClientFactory.CreateClient<AuthenticationServiceClient, IAuthenticationService>();
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236 | try {
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237 | return call(client);
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238 | }
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239 | finally {
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240 | try {
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241 | client.Close();
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242 | }
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243 | catch (Exception) {
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244 | client.Abort();
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245 | }
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246 | }
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247 | }
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248 | #endregion
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249 | }
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250 | }
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