1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Linq;
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4 | using System.Text;
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5 | using System.Linq.Expressions;
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6 |
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7 | namespace HeuristicLab.Services.Hive.DataAccess {
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8 | using DT = HeuristicLab.Services.Hive.Common.DataTransfer;
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9 | using HeuristicLab.Services.Hive.Common.DataTransfer;
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10 | using HeuristicLab.Services.Hive.DataAccess.Properties;
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11 |
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12 | public class HiveDao : IHiveDao {
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13 | public static HiveDataContext CreateContext() {
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14 | return new HiveDataContext(Settings.Default.HeuristicLab_Hive_LinqConnectionString);
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15 | }
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16 |
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17 | public HiveDao() {
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18 | }
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19 |
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20 | #region Job Methods
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21 | public DT.Job GetJob(Guid id) {
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22 | using (var db = CreateContext()) {
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23 | return Convert.ToDto(db.Jobs.SingleOrDefault(x => x.JobId == id));
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24 | }
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25 | }
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26 |
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27 | public IEnumerable<DT.Job> GetJobs(Expression<Func<Job, bool>> predicate) {
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28 | using (var db = CreateContext()) {
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29 | return db.Jobs.Where(predicate).Select(x => Convert.ToDto(x)).ToArray();
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30 | }
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31 | }
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32 |
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33 | public Guid AddJob(DT.Job dto) {
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34 | using (var db = CreateContext()) {
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35 | var entity = Convert.ToEntity(dto);
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36 | db.Jobs.InsertOnSubmit(entity);
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37 | db.SubmitChanges();
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38 | return entity.JobId;
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39 | }
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40 | }
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41 |
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42 | public void UpdateJob(DT.Job dto) {
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43 | using (var db = CreateContext()) {
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44 | var entity = db.Jobs.FirstOrDefault(x => x.JobId == dto.Id);
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45 | if (entity == null) db.Jobs.InsertOnSubmit(Convert.ToEntity(dto));
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46 | else Convert.ToEntity(dto, entity);
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47 | db.SubmitChanges();
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48 | }
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49 | }
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50 |
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51 | public void DeleteJob(Guid id) {
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52 | using (var db = CreateContext()) {
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53 | var entity = db.Jobs.FirstOrDefault(x => x.JobId == id);
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54 | if (entity != null) db.Jobs.DeleteOnSubmit(entity);
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55 | db.SubmitChanges();
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56 | }
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57 | }
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58 |
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59 | public IEnumerable<DT.Job> GetAvailableParentJobs(Guid slaveId) {
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60 | using (var db = CreateContext()) {
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61 | // todo: slaveId is unused!
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62 | var query = from ar in db.AssignedResources
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63 | where ar.Job.JobState == JobState.WaitingForChildJobs &&
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64 | (from child in db.Jobs
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65 | where child.ParentJobId == ar.Job.JobId
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66 | select child.JobState == JobState.Finished).All(x => x) &&
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67 | (from child in db.Jobs // avoid returning WaitForChildJobs jobs where no child-jobs exist (yet)
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68 | where child.ParentJobId == ar.Job.JobId
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69 | select child).Count() > 0
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70 | orderby ar.Job.Priority descending
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71 | select Convert.ToDto(ar.Job);
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72 | return query;
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73 | }
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74 | }
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75 |
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76 | public IEnumerable<DT.Job> GetWaitingJobs(DT.Slave slave) {
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77 | using (var db = CreateContext()) {
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78 | var query = from j in db.Jobs
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79 | where j.JobState == JobState.Waiting && j.CoresNeeded <= slave.FreeCores && j.MemoryNeeded <= slave.FreeMemory
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80 | orderby j.Priority descending
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81 | select Convert.ToDto(j);
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82 | return query.Union(GetAvailableParentJobs(slave.Id)).OrderByDescending(x => x.Priority).ToArray();
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83 | }
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84 | }
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85 | #endregion
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86 |
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87 | #region JobData Methods
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88 |
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89 | public DT.JobData GetJobData(Guid id) {
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90 | using (var db = CreateContext()) {
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91 | return Convert.ToDto(db.JobDatas.SingleOrDefault(x => x.JobId == id));
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92 | }
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93 | }
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94 |
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95 | public IEnumerable<DT.JobData> GetJobDatas(Expression<Func<JobData, bool>> predicate) {
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96 | using (var db = CreateContext()) {
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97 | return db.JobDatas.Where(predicate).Select(x => Convert.ToDto(x)).ToArray();
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98 | }
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99 | }
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100 |
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101 | public Guid AddJobData(DT.JobData dto) {
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102 | using (var db = CreateContext()) {
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103 | var entity = Convert.ToEntity(dto);
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104 | db.JobDatas.InsertOnSubmit(entity);
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105 | db.SubmitChanges();
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106 | return entity.JobId;
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107 | }
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108 | }
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109 |
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110 | public void UpdateJobData(DT.JobData dto) {
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111 | using (var db = CreateContext()) {
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112 | var entity = db.JobDatas.FirstOrDefault(x => x.JobId == dto.JobId);
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113 | if (entity == null) db.JobDatas.InsertOnSubmit(Convert.ToEntity(dto));
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114 | else Convert.ToEntity(dto, entity);
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115 | db.SubmitChanges();
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116 | }
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117 | }
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118 |
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119 | public void DeleteJobData(Guid id) {
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120 | using (var db = CreateContext()) {
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121 | var entity = db.JobDatas.FirstOrDefault(x => x.JobId == id); // check if all the byte[] is loaded into memory here. otherwise work around to delete without loading it
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122 | if (entity != null) db.JobDatas.DeleteOnSubmit(entity);
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123 | db.SubmitChanges();
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124 | }
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125 | }
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126 | #endregion
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127 |
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128 | #region HiveExperiment Methods
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129 | public DT.HiveExperiment GetHiveExperiment(Guid id) {
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130 | using (var db = CreateContext()) {
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131 | return Convert.ToDto(db.HiveExperiments.SingleOrDefault(x => x.HiveExperimentId == id));
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132 | }
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133 | }
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134 |
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135 | public IEnumerable<DT.HiveExperiment> GetHiveExperiments(Expression<Func<HiveExperiment, bool>> predicate) {
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136 | using (var db = CreateContext()) {
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137 | return db.HiveExperiments.Where(predicate).Select(x => Convert.ToDto(x)).ToArray();
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138 | }
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139 | }
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140 |
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141 | public Guid AddHiveExperiment(DT.HiveExperiment dto) {
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142 | using (var db = CreateContext()) {
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143 | var entity = Convert.ToEntity(dto);
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144 | db.HiveExperiments.InsertOnSubmit(entity);
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145 | db.SubmitChanges();
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146 | return entity.HiveExperimentId;
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147 | }
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148 | }
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149 |
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150 | public void UpdateHiveExperiment(DT.HiveExperiment dto) {
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151 | using (var db = CreateContext()) {
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152 | var entity = db.HiveExperiments.FirstOrDefault(x => x.HiveExperimentId == dto.Id);
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153 | if (entity == null) db.HiveExperiments.InsertOnSubmit(Convert.ToEntity(dto));
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154 | else Convert.ToEntity(dto, entity);
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155 | db.SubmitChanges();
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156 | }
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157 | }
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158 |
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159 | public void DeleteHiveExperiment(Guid id) {
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160 | using (var db = CreateContext()) {
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161 | var entity = db.HiveExperiments.FirstOrDefault(x => x.HiveExperimentId == id);
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162 | if (entity != null) db.HiveExperiments.DeleteOnSubmit(entity);
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163 | db.SubmitChanges();
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164 | }
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165 | }
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166 | #endregion
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167 |
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168 | #region Plugin Methods
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169 | public DT.Plugin GetPlugin(Guid id) {
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170 | using (var db = CreateContext()) {
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171 | return Convert.ToDto(db.Plugins.SingleOrDefault(x => x.PluginId == id));
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172 | }
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173 | }
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174 |
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175 | public IEnumerable<DT.Plugin> GetPlugins(Expression<Func<Plugin, bool>> predicate) {
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176 | using (var db = CreateContext()) {
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177 | return db.Plugins.Where(predicate).Select(x => Convert.ToDto(x)).ToArray();
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178 | }
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179 | }
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180 |
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181 | public Guid AddPlugin(DT.Plugin dto) {
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182 | using (var db = CreateContext()) {
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183 | var entity = Convert.ToEntity(dto);
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184 | db.Plugins.InsertOnSubmit(entity);
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185 | db.SubmitChanges();
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186 | return entity.PluginId;
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187 | }
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188 | }
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189 |
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190 | public void UpdatePlugin(DT.Plugin dto) {
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191 | using (var db = CreateContext()) {
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192 | var entity = db.Plugins.FirstOrDefault(x => x.PluginId == dto.Id);
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193 | if (entity == null) db.Plugins.InsertOnSubmit(Convert.ToEntity(dto));
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194 | else Convert.ToEntity(dto, entity);
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195 | db.SubmitChanges();
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196 | }
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197 | }
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198 |
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199 | public void DeletePlugin(Guid id) {
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200 | using (var db = CreateContext()) {
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201 | var entity = db.Plugins.FirstOrDefault(x => x.PluginId == id);
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202 | if (entity != null) db.Plugins.DeleteOnSubmit(entity);
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203 | db.SubmitChanges();
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204 | }
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205 | }
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206 | #endregion
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207 |
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208 | #region PluginData Methods
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209 |
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210 | public DT.PluginData GetPluginData(Guid id) {
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211 | using (var db = CreateContext()) {
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212 | return Convert.ToDto(db.PluginDatas.SingleOrDefault(x => x.PluginId == id));
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213 | }
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214 | }
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215 |
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216 | public IEnumerable<DT.PluginData> GetPluginDatas(Expression<Func<PluginData, bool>> predicate) {
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217 | using (var db = CreateContext()) {
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218 | return db.PluginDatas.Where(predicate).Select(x => Convert.ToDto(x)).ToArray();
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219 | }
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220 | }
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221 |
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222 | public Guid AddPluginData(DT.PluginData dto) {
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223 | using (var db = CreateContext()) {
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224 | var entity = Convert.ToEntity(dto);
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225 | db.PluginDatas.InsertOnSubmit(entity);
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226 | db.SubmitChanges();
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227 | return entity.PluginId;
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228 | }
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229 | }
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230 |
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231 | public void UpdatePluginData(DT.PluginData dto) {
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232 | using (var db = CreateContext()) {
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233 | var entity = db.PluginDatas.FirstOrDefault(x => x.PluginId == dto.PluginId);
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234 | if (entity == null) db.PluginDatas.InsertOnSubmit(Convert.ToEntity(dto));
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235 | else Convert.ToEntity(dto, entity);
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236 | db.SubmitChanges();
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237 | }
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238 | }
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239 |
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240 | public void DeletePluginData(Guid id) {
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241 | using (var db = CreateContext()) {
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242 | var entity = db.PluginDatas.FirstOrDefault(x => x.PluginId == id); // check if all the byte[] is loaded into memory here. otherwise work around to delete without loading it
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243 | if (entity != null) db.PluginDatas.DeleteOnSubmit(entity);
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244 | db.SubmitChanges();
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245 | }
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246 | }
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247 | #endregion
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248 |
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249 | #region Slave Methods
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250 | public DT.Slave GetSlave(Guid id) {
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251 | using (var db = CreateContext()) {
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252 | return Convert.ToDto(db.Resources.OfType<Slave>().SingleOrDefault(x => x.ResourceId == id));
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253 | }
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254 | }
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255 |
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256 | public IEnumerable<DT.Slave> GetSlaves(Expression<Func<Slave, bool>> predicate) {
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257 | using (var db = CreateContext()) {
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258 | return db.Resources.OfType<Slave>().Where(predicate).Select(x => Convert.ToDto(x)).ToArray();
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259 | }
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260 | }
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261 |
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262 | public Guid AddSlave(DT.Slave dto) {
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263 | using (var db = CreateContext()) {
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264 | var entity = Convert.ToEntity(dto);
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265 | db.Resources.InsertOnSubmit(entity);
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266 | db.SubmitChanges();
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267 | return entity.ResourceId;
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268 | }
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269 | }
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270 |
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271 | public void UpdateSlave(DT.Slave dto) {
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272 | using (var db = CreateContext()) {
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273 | var entity = db.Resources.OfType<Slave>().FirstOrDefault(x => x.ResourceId == dto.Id);
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274 | if (entity == null) db.Resources.InsertOnSubmit(Convert.ToEntity(dto));
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275 | else Convert.ToEntity(dto, entity);
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276 | db.SubmitChanges();
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277 | }
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278 | }
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279 |
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280 | public void DeleteSlave(Guid id) {
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281 | using (var db = CreateContext()) {
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282 | var entity = db.Resources.OfType<Slave>().FirstOrDefault(x => x.ResourceId == id);
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283 | if (entity != null) db.Resources.DeleteOnSubmit(entity);
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284 | db.SubmitChanges();
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285 | }
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286 | }
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287 | #endregion
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288 |
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289 | #region SlaveGroup Methods
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290 | public DT.SlaveGroup GetSlaveGroup(Guid id) {
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291 | using (var db = CreateContext()) {
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292 | return Convert.ToDto(db.Resources.OfType<SlaveGroup>().SingleOrDefault(x => x.ResourceId == id));
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293 | }
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294 | }
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295 |
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296 | public IEnumerable<DT.SlaveGroup> GetSlaveGroups(Expression<Func<SlaveGroup, bool>> predicate) {
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297 | using (var db = CreateContext()) {
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298 | return db.Resources.OfType<SlaveGroup>().Where(predicate).Select(x => Convert.ToDto(x)).ToArray();
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299 | }
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300 | }
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301 |
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302 | public Guid AddSlaveGroup(DT.SlaveGroup dto) {
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303 | using (var db = CreateContext()) {
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304 | var entity = Convert.ToEntity(dto);
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305 | db.Resources.InsertOnSubmit(entity);
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306 | db.SubmitChanges();
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307 | return entity.ResourceId;
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308 | }
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309 | }
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310 |
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311 | public void UpdateSlaveGroup(DT.SlaveGroup dto) {
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312 | using (var db = CreateContext()) {
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313 | var entity = db.Resources.OfType<SlaveGroup>().FirstOrDefault(x => x.ResourceId == dto.Id);
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314 | if (entity == null) db.Resources.InsertOnSubmit(Convert.ToEntity(dto));
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315 | else Convert.ToEntity(dto, entity);
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316 | db.SubmitChanges();
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317 | }
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318 | }
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319 |
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320 | public void DeleteSlaveGroup(Guid id) {
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321 | using (var db = CreateContext()) {
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322 | var entity = db.Resources.OfType<SlaveGroup>().FirstOrDefault(x => x.ResourceId == id);
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323 | if (entity != null) db.Resources.DeleteOnSubmit(entity);
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324 | db.SubmitChanges();
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325 | }
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326 | }
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327 | #endregion
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328 |
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329 | #region Resource Methods
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330 | public DT.Resource GetResource(Guid id) {
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331 | using (var db = CreateContext()) {
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332 | return Convert.ToDto(db.Resources.SingleOrDefault(x => x.ResourceId == id));
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333 | }
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334 | }
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335 |
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336 | public IEnumerable<DT.Resource> GetResources(Expression<Func<Resource, bool>> predicate) {
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337 | using (var db = CreateContext()) {
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338 | return db.Resources.Where(predicate).Select(x => Convert.ToDto(x)).ToArray();
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339 | }
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340 | }
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341 |
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342 | public Guid AddResource(DT.Resource dto) {
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343 | using (var db = CreateContext()) {
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344 | var entity = Convert.ToEntity(dto);
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345 | db.Resources.InsertOnSubmit(entity);
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346 | db.SubmitChanges();
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347 | return entity.ResourceId;
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348 | }
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349 | }
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350 |
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351 | public void UpdateResource(DT.Resource dto) {
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352 | using (var db = CreateContext()) {
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353 | var entity = db.Resources.FirstOrDefault(x => x.ResourceId == dto.Id);
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354 | if (entity == null) db.Resources.InsertOnSubmit(Convert.ToEntity(dto));
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355 | else Convert.ToEntity(dto, entity);
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356 | db.SubmitChanges();
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357 | }
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358 | }
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359 |
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360 | public void DeleteResource(Guid id) {
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361 | using (var db = CreateContext()) {
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362 | var entity = db.Resources.FirstOrDefault(x => x.ResourceId == id);
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363 | if (entity != null) db.Resources.DeleteOnSubmit(entity);
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364 | db.SubmitChanges();
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365 | }
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366 | }
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367 | #endregion
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368 |
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369 | #region Authorization Methods
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370 | public bool IsUserAuthorizedForJobs(Guid userId, params Guid[] jobIds) {
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371 | using (var db = CreateContext()) {
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372 | var userIds = from job in db.Jobs // this needs to be fast!
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373 | where jobIds.Contains(job.JobId)
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374 | select job.UserId;
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375 | return userIds.All(x => x == userId);
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376 | }
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377 | }
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378 | #endregion
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379 | }
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380 | }
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