1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2008 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 System.Text;
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26 |
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27 | using HeuristicLab.Hive.Server.Core.InternalInterfaces.DataAccess;
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28 | using HeuristicLab.Hive.Contracts.BusinessObjects;
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29 | using System.Runtime.CompilerServices;
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30 | using System.Data;
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31 |
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32 | namespace HeuristicLab.Hive.Server.ADODataAccess {
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33 | class UserGroupAdapter: DataAdapterBase, IUserGroupAdapter {
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34 | private dsHiveServerTableAdapters.UserGroupTableAdapter adapter =
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35 | new dsHiveServerTableAdapters.UserGroupTableAdapter();
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36 |
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37 | private dsHiveServer.UserGroupDataTable data =
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38 | new dsHiveServer.UserGroupDataTable();
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39 |
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40 | private dsHiveServerTableAdapters.PermissionOwner_UserGroupTableAdapter permOwnerUserGroupAdapter =
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41 | new dsHiveServerTableAdapters.PermissionOwner_UserGroupTableAdapter();
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42 |
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43 | private dsHiveServer.PermissionOwner_UserGroupDataTable permOwnerUserGroupData =
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44 | new dsHiveServer.PermissionOwner_UserGroupDataTable();
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45 |
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46 | private IPermissionOwnerAdapter permOwnerAdapter = null;
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47 |
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48 | private IPermissionOwnerAdapter PermOwnerAdapter {
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49 | get {
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50 | if (permOwnerAdapter == null)
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51 | permOwnerAdapter = ServiceLocator.GetPermissionOwnerAdapter();
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52 |
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53 | return permOwnerAdapter;
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54 | }
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55 | }
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56 |
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57 | private IUserAdapter userAdapter = null;
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58 |
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59 | private IUserAdapter UserAdapter {
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60 | get {
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61 | if (userAdapter == null)
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62 | userAdapter = ServiceLocator.GetUserAdapter();
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63 |
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64 | return userAdapter;
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65 | }
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66 | }
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67 |
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68 | public UserGroupAdapter() {
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69 | adapter.Fill(data);
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70 | permOwnerUserGroupAdapter.Fill(permOwnerUserGroupData);
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71 | }
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72 |
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73 | protected override void Update() {
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74 | this.adapter.Update(this.data);
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75 | this.permOwnerUserGroupAdapter.Update(permOwnerUserGroupData);
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76 | }
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77 |
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78 | private UserGroup Convert(dsHiveServer.UserGroupRow row,
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79 | UserGroup userGroup) {
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80 | if (row != null && userGroup != null) {
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81 | /*Parent - Permission Owner*/
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82 | userGroup.PermissionOwnerId = row.PermissionOwnerId;
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83 | PermOwnerAdapter.GetPermissionOwnerById(userGroup);
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84 |
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85 | //first check for created references
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86 | IEnumerable<dsHiveServer.PermissionOwner_UserGroupRow> userGroupRows =
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87 | from permOwner in
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88 | permOwnerUserGroupData.AsEnumerable<dsHiveServer.PermissionOwner_UserGroupRow>()
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89 | where permOwner.UserGroupId == userGroup.PermissionOwnerId
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90 | select permOwner;
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91 |
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92 | foreach (dsHiveServer.PermissionOwner_UserGroupRow permOwnerUserGroupRow in
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93 | userGroupRows) {
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94 | PermissionOwner permOwner = null;
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95 |
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96 | IEnumerable<PermissionOwner> permOwners =
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97 | from p in
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98 | userGroup.Members
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99 | where p.PermissionOwnerId == permOwnerUserGroupRow.PermissionOwnerId
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100 | select p;
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101 | if (permOwners.Count<PermissionOwner>() == 1)
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102 | permOwner = permOwners.First<PermissionOwner>();
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103 |
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104 | if (permOwner == null) {
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105 | PermissionOwner permissionOwner =
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106 | UserAdapter.GetUserById(permOwnerUserGroupRow.PermissionOwnerId);
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107 |
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108 | if (permissionOwner == null) {
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109 | //is a user group
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110 | permissionOwner =
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111 | GetUserGroupById(permOwnerUserGroupRow.PermissionOwnerId);
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112 | }
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113 |
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114 | if(permissionOwner != null)
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115 | userGroup.Members.Add(permissionOwner);
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116 | }
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117 | }
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118 |
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119 | //secondly check for deleted references
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120 | ICollection<PermissionOwner> deleted =
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121 | new List<PermissionOwner>();
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122 |
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123 | foreach (PermissionOwner permOwner in userGroup.Members) {
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124 | dsHiveServer.PermissionOwner_UserGroupRow permOwnerUserGroupRow =
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125 | permOwnerUserGroupData.FindByPermissionOwnerIdUserGroupId(
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126 | permOwner.PermissionOwnerId,
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127 | userGroup.PermissionOwnerId);
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128 |
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129 | if (permOwnerUserGroupRow == null) {
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130 | deleted.Add(permOwner);
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131 | }
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132 | }
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133 |
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134 | foreach (PermissionOwner permOwner in deleted) {
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135 | userGroup.Members.Remove(permOwner);
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136 | }
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137 |
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138 | return userGroup;
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139 | } else
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140 | return null;
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141 | }
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142 |
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143 | private dsHiveServer.UserGroupRow Convert(UserGroup userGroup,
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144 | dsHiveServer.UserGroupRow row) {
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145 | if (userGroup != null && row != null) {
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146 | row.PermissionOwnerId = userGroup.PermissionOwnerId;
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147 |
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148 | //update references
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149 | foreach (PermissionOwner permOwner in userGroup.Members) {
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150 | //first update the member to make sure it exists in the DB
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151 | if (permOwner is User) {
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152 | UserAdapter.UpdateUser(permOwner as User);
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153 | } else if (permOwner is UserGroup) {
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154 | UpdateUserGroup(permOwner as UserGroup);
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155 | }
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156 |
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157 | //secondly check for created references
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158 | dsHiveServer.PermissionOwner_UserGroupRow permOwnerUserGroupRow =
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159 | permOwnerUserGroupData.FindByPermissionOwnerIdUserGroupId(
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160 | permOwner.PermissionOwnerId,
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161 | userGroup.PermissionOwnerId);
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162 |
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163 | if (permOwnerUserGroupRow == null) {
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164 | permOwnerUserGroupRow =
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165 | permOwnerUserGroupData.NewPermissionOwner_UserGroupRow();
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166 |
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167 | permOwnerUserGroupRow.PermissionOwnerId =
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168 | permOwner.PermissionOwnerId;
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169 | permOwnerUserGroupRow.UserGroupId =
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170 | userGroup.PermissionOwnerId;
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171 |
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172 | permOwnerUserGroupData.AddPermissionOwner_UserGroupRow(
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173 | permOwnerUserGroupRow);
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174 | }
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175 | }
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176 |
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177 | //thirdly check for deleted references
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178 | IEnumerable<dsHiveServer.PermissionOwner_UserGroupRow> userGroupRows =
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179 | from permOwner in
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180 | permOwnerUserGroupData.AsEnumerable<dsHiveServer.PermissionOwner_UserGroupRow>()
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181 | where permOwner.UserGroupId == userGroup.PermissionOwnerId
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182 | select permOwner;
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183 |
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184 | ICollection<dsHiveServer.PermissionOwner_UserGroupRow> deleted =
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185 | new List<dsHiveServer.PermissionOwner_UserGroupRow>();
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186 |
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187 | foreach (dsHiveServer.PermissionOwner_UserGroupRow permOwnerUserGroupRow in
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188 | userGroupRows) {
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189 | PermissionOwner permOwner = null;
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190 |
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191 | IEnumerable<PermissionOwner> permOwners =
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192 | from p in
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193 | userGroup.Members
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194 | where p.PermissionOwnerId == permOwnerUserGroupRow.PermissionOwnerId
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195 | select p;
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196 |
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197 | if (permOwners.Count<PermissionOwner>() == 1)
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198 | permOwner = permOwners.First<PermissionOwner>();
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199 |
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200 | if (permOwner == null) {
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201 | deleted.Add(permOwnerUserGroupRow);
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202 | }
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203 | }
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204 |
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205 | foreach (dsHiveServer.PermissionOwner_UserGroupRow permOwnerUserGroupRow in
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206 | deleted) {
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207 | permOwnerUserGroupData.RemovePermissionOwner_UserGroupRow(
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208 | permOwnerUserGroupRow);
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209 | }
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210 |
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211 | }
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212 |
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213 | return row;
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214 | }
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215 |
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216 | #region IUserGroupAdapter Members
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217 | [MethodImpl(MethodImplOptions.Synchronized)]
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218 | public void UpdateUserGroup(UserGroup group) {
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219 | if (group != null) {
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220 | PermOwnerAdapter.UpdatePermissionOwner(group);
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221 |
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222 | dsHiveServer.UserGroupRow row =
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223 | data.FindByPermissionOwnerId(group.PermissionOwnerId);
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224 |
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225 | if (row == null) {
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226 | row = data.NewUserGroupRow();
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227 | row.PermissionOwnerId = group.PermissionOwnerId;
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228 | data.AddUserGroupRow(row);
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229 | }
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230 |
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231 | Convert(group, row);
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232 | }
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233 | }
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234 |
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235 | public UserGroup GetUserGroupById(long userGroupId) {
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236 | UserGroup userGroup = new UserGroup();
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237 |
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238 | dsHiveServer.UserGroupRow row =
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239 | data.FindByPermissionOwnerId(userGroupId);
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240 |
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241 | if (row != null) {
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242 | Convert(row, userGroup);
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243 |
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244 | return userGroup;
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245 | } else {
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246 | return null;
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247 | }
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248 | }
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249 |
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250 | public UserGroup GetUserGroupByName(string name) {
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251 | UserGroup group = new UserGroup();
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252 |
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253 | PermissionOwner permOwner =
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254 | PermOwnerAdapter.GetPermissionOwnerByName(name);
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255 |
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256 | if (permOwner != null) {
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257 | dsHiveServer.UserGroupRow row =
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258 | data.FindByPermissionOwnerId(permOwner.PermissionOwnerId);
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259 |
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260 | if (row != null) {
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261 | Convert(row, group);
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262 |
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263 | return group;
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264 | }
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265 | }
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266 |
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267 | return null;
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268 | }
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269 |
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270 | public ICollection<UserGroup> GetAllUserGroups() {
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271 | ICollection<UserGroup> allUserGroups =
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272 | new List<UserGroup>();
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273 |
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274 | foreach (dsHiveServer.UserGroupRow row in data) {
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275 | UserGroup userGroup = new UserGroup();
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276 |
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277 | Convert(row, userGroup);
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278 | allUserGroups.Add(userGroup);
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279 | }
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280 |
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281 | return allUserGroups;
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282 | }
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283 |
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284 | public ICollection<UserGroup> MemberOf(PermissionOwner permOwner) {
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285 | ICollection<UserGroup> userGroups =
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286 | new List<UserGroup>();
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287 |
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288 | if (permOwner != null) {
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289 | IEnumerable<dsHiveServer.PermissionOwner_UserGroupRow> userGroupRows =
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290 | from userGroup in
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291 | permOwnerUserGroupData.AsEnumerable<dsHiveServer.PermissionOwner_UserGroupRow>()
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292 | where userGroup.PermissionOwnerId == permOwner.PermissionOwnerId
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293 | select userGroup;
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294 |
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295 | foreach (dsHiveServer.PermissionOwner_UserGroupRow userGroupRow in
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296 | userGroupRows) {
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297 | UserGroup userGroup =
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298 | GetUserGroupById(userGroupRow.UserGroupId);
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299 | userGroups.Add(userGroup);
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300 | }
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301 | }
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302 |
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303 | return userGroups;
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304 | }
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305 |
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306 | [MethodImpl(MethodImplOptions.Synchronized)]
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307 | public bool DeleteUserGroup(UserGroup group) {
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308 | if (group != null) {
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309 | dsHiveServer.UserGroupRow row =
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310 | data.FindByPermissionOwnerId(group.PermissionOwnerId);
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311 |
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312 | if (row != null) {
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313 | ICollection<dsHiveServer.PermissionOwner_UserGroupRow> deleted =
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314 | new List<dsHiveServer.PermissionOwner_UserGroupRow>();
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315 |
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316 | foreach (dsHiveServer.PermissionOwner_UserGroupRow permOwnerUserGroupRow in
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317 | permOwnerUserGroupData) {
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318 | if (permOwnerUserGroupRow.UserGroupId == group.PermissionOwnerId ||
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319 | permOwnerUserGroupRow.PermissionOwnerId == group.PermissionOwnerId) {
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320 | deleted.Add(permOwnerUserGroupRow);
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321 | }
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322 | }
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323 |
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324 | foreach (dsHiveServer.PermissionOwner_UserGroupRow permOwnerUserGroupRow in
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325 | deleted) {
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326 | permOwnerUserGroupData.RemovePermissionOwner_UserGroupRow(
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327 | permOwnerUserGroupRow);
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328 | }
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329 |
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330 | row.Delete();
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331 | adapter.Update(row);
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332 | return PermOwnerAdapter.DeletePermissionOwner(group);
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333 | }
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334 | }
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335 |
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336 | return false;
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337 | }
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338 |
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339 | #endregion
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340 | }
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341 | }
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