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.ServiceModel;
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5 | using HeuristicLab.Services.Hive.Common;
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6 | using HeuristicLab.Services.Hive.Common.DataTransfer;
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7 | using HeuristicLab.Services.Hive.Common.ServiceContracts;
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8 |
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9 | namespace HeuristicLab.Services.Hive {
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10 |
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11 | /// <summary>
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12 | /// Implementation of the Hive service (interface <see cref="IHiveService"/>).
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13 | /// </summary>
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14 | [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall)]
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15 | public class HiveService : IHiveService {
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16 | private DataAccess.IHiveDao dao {
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17 | get { return ServiceLocator.Instance.HiveDao; }
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18 | }
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19 | private HeuristicLab.Services.Hive.DataAccess.TransactionManager trans {
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20 | get { return ServiceLocator.Instance.TransactionManager; }
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21 | }
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22 | private IAuthorizationManager auth {
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23 | get { return ServiceLocator.Instance.AuthorizationManager; }
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24 | }
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25 | private ILifecycleManager lifecycleManager {
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26 | get { return ServiceLocator.Instance.LifecycleManager; }
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27 | }
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28 |
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29 | #region Job Methods
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30 | //[PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Administrator)]
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31 | //[PrincipalPermission(SecurityAction.Demand, Role = HiveRoles.Client)]
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32 | public Guid AddJob(Job job, JobData jobData, IEnumerable<Guid> slaveGroupIds) {
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33 | using (trans.OpenTransaction()) {
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34 | job.UserId = auth.UserId;
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35 | job.DateCreated = DateTime.Now;
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36 | job.JobState = JobState.Waiting;
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37 | job.Id = dao.AddJob(job);
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38 | jobData.JobId = job.Id;
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39 | jobData.LastUpdate = DateTime.Now;
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40 | if (slaveGroupIds != null) {
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41 | foreach (Guid slaveGroupId in slaveGroupIds) {
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42 | dao.AssignJobToResource(job.Id, slaveGroupId);
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43 | }
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44 | } else {
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45 | // todo: use default group
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46 | }
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47 | dao.AddJobData(jobData);
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48 | return jobData.JobId;
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49 | }
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50 | }
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51 |
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52 | public Guid AddChildJob(Guid parentJobId, Job job, JobData jobData) {
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53 | using (trans.OpenTransaction()) {
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54 | job.ParentJobId = parentJobId;
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55 | return AddJob(job, jobData, dao.GetAssignedResources(parentJobId).Select(x => x.Id));
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56 | }
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57 | }
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58 |
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59 | public Job GetJob(Guid jobId) {
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60 | return dao.GetJob(jobId);
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61 | }
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62 |
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63 | public IEnumerable<Job> GetJobs() {
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64 | return dao.GetJobs(x => true);
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65 | }
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66 |
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67 | public IEnumerable<LightweightJob> GetLightweightJobs(IEnumerable<Guid> jobIds) {
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68 | return dao.GetJobs(x => jobIds.Contains(x.JobId)).Select(x => new LightweightJob(x)).ToArray();
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69 | }
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70 |
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71 | public IEnumerable<LightweightJob> GetLightweightChildJobs(Guid? parentJobId, bool recursive, bool includeParent) {
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72 | return GetChildJobs(parentJobId, recursive, includeParent).Select(x => new LightweightJob(x)).ToArray();
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73 | }
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74 |
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75 | public JobData GetJobData(Guid jobId) {
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76 | return dao.GetJobData(jobId);
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77 | }
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78 |
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79 | public void UpdateJob(Job job, JobData jobData) {
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80 | using (trans.OpenTransaction()) {
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81 | jobData.LastUpdate = DateTime.Now;
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82 | dao.UpdateJob(job);
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83 | dao.UpdateJobData(jobData);
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84 | }
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85 | }
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86 |
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87 | public void DeleteJob(Guid jobId) {
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88 | using (trans.OpenTransaction()) {
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89 | dao.DeleteJob(jobId);
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90 | }
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91 | }
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92 |
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93 | public void DeleteChildJobs(Guid parentJobId) {
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94 | using (trans.OpenTransaction()) {
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95 | var jobs = GetChildJobs(parentJobId, true, false);
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96 | foreach (var job in jobs) {
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97 | dao.DeleteJob(job.Id);
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98 | dao.DeleteJobData(job.Id);
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99 | };
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100 | }
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101 | }
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102 |
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103 | public Job AquireJob(Guid slaveId) {
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104 | using (trans.OpenTransaction()) {
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105 | var slave = dao.GetSlave(slaveId);
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106 | var availableJobs = dao.GetWaitingJobs(slave);
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107 | var job = availableJobs.FirstOrDefault();
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108 |
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109 | if (job != null) {
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110 | job.SlaveId = slaveId;
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111 | job.JobState = JobState.Calculating;
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112 | }
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113 | return job;
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114 | }
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115 | }
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116 |
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117 | public PluginData GetConfigurationFile() {
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118 | using (trans.OpenTransaction()) {
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119 | //TODO: move filename to app.config
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120 | PluginData configFile = dao.GetPluginDatas(x => x.FileName == "HeuristicLab 3.3.exe.config").SingleOrDefault();
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121 | if (configFile == null) {
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122 | //TODO: error handling
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123 | return null;
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124 | } else {
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125 | return configFile;
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126 | }
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127 | }
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128 | }
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129 |
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130 | #endregion
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131 |
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132 | #region Job Control Methods
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133 | public void StopJob(Guid jobId) {
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134 | using (trans.OpenTransaction()) {
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135 | throw new NotImplementedException();
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136 | }
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137 | }
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138 | public void PauseJob(Guid jobId) {
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139 | using (trans.OpenTransaction()) {
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140 | throw new NotImplementedException();
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141 | }
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142 | }
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143 | #endregion
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144 |
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145 | #region HiveExperiment Methods
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146 |
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147 | public HiveExperiment GetHiveExperiment(Guid id) {
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148 | return dao.GetHiveExperiments(x => x.UserId == auth.UserId && x.HiveExperimentId == id).FirstOrDefault();
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149 | }
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150 |
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151 | public IEnumerable<HiveExperiment> GetHiveExperiments() {
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152 | return dao.GetHiveExperiments(x => x.UserId == auth.UserId);
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153 | }
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154 |
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155 | public Guid AddHiveExperiment(HiveExperiment hiveExperimentDto) {
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156 | using (trans.OpenTransaction()) {
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157 | hiveExperimentDto.UserId = auth.UserId;
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158 | hiveExperimentDto.DateCreated = DateTime.Now;
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159 | return dao.AddHiveExperiment(hiveExperimentDto);
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160 | }
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161 | }
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162 |
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163 | public void UpdateHiveExperiment(HiveExperiment hiveExperimentDto) {
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164 | using (trans.OpenTransaction()) {
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165 | dao.UpdateHiveExperiment(hiveExperimentDto);
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166 | }
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167 | }
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168 |
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169 | public void DeleteHiveExperiment(Guid hiveExperimentId) {
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170 | using (trans.OpenTransaction()) {
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171 | HiveExperiment he = dao.GetHiveExperiment(hiveExperimentId);
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172 | dao.DeleteHiveExperiment(hiveExperimentId); // child jobs will be deleted by db-trigger
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173 | }
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174 | }
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175 | #endregion
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176 |
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177 | #region Login Methods
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178 | public void Hello(Guid slaveId, string name, int cores, int memory) {
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179 | using (trans.OpenTransaction()) {
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180 | var slave = dao.GetSlave(slaveId);
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181 |
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182 | if (slave == null) {
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183 | slave = new Slave { Id = slaveId, Name = name, Cores = cores, Memory = memory };
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184 | slave.IsAllowedToCalculate = true; //a little bit to optimistic?
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185 | slave.SlaveState = SlaveState.Idle;
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186 | dao.AddSlave(slave);
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187 | } else {
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188 | //TODO: error handling?
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189 | }
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190 | }
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191 | }
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192 |
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193 | public void GoodBye(Guid slaveId) {
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194 | using (trans.OpenTransaction()) {
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195 | var slave = dao.GetSlave(slaveId);
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196 | if (slave != null) {
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197 | slave.SlaveState = SlaveState.Offline;
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198 | dao.UpdateSlave(slave);
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199 | }
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200 | }
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201 | }
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202 | #endregion
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203 |
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204 | #region Heartbeat Methods
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205 | public List<MessageContainer> Heartbeat(Heartbeat heartbeat) {
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206 | using (trans.OpenTransaction()) {
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207 | return lifecycleManager.ProcessHeartbeat(heartbeat);
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208 | }
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209 | }
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210 | #endregion
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211 |
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212 | #region Plugin Methods
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213 | public Guid AddPlugin(Plugin plugin, List<PluginData> pluginDatas) {
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214 | using (trans.OpenTransaction()) {
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215 | plugin.UserId = auth.UserId;
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216 | plugin.DateCreated = DateTime.Now;
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217 | Guid pluginId = dao.AddPlugin(plugin);
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218 | foreach (PluginData pluginData in pluginDatas) {
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219 | pluginData.PluginId = pluginId;
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220 | dao.AddPluginData(pluginData);
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221 | }
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222 | return pluginId;
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223 | }
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224 | }
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225 | public IEnumerable<Plugin> GetPlugins() {
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226 | return dao.GetPlugins(x => true);
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227 | }
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228 |
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229 | public IEnumerable<PluginData> GetPluginDatas(List<Guid> pluginIds) {
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230 | List<PluginData> pluginDatas = new List<PluginData>();
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231 |
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232 | using (trans.OpenTransaction()) {
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233 | foreach (Guid guid in pluginIds) {
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234 | List<PluginData> pluginData = dao.GetPluginDatas(x => x.PluginId == guid).ToList();
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235 | if (pluginData != null) {
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236 | pluginDatas.AddRange(pluginData);
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237 | } else {
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238 | //ignore ?
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239 | }
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240 | }
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241 | return pluginDatas;
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242 | }
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243 | }
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244 |
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245 | #endregion
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246 |
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247 | #region Slave Methods
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248 | public Guid AddSlave(Slave slave) {
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249 | using (trans.OpenTransaction()) {
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250 | return dao.AddSlave(slave);
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251 | }
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252 | }
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253 |
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254 | public Guid AddSlaveGroup(SlaveGroup slaveGroup) {
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255 | using (trans.OpenTransaction()) {
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256 | return dao.AddSlaveGroup(slaveGroup);
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257 | }
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258 | }
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259 |
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260 | public Slave GetSlave(Guid slaveId) {
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261 | return dao.GetSlave(slaveId);
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262 | }
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263 |
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264 | public SlaveGroup GetSlaveGroup(Guid slaveGroupId) {
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265 | return dao.GetSlaveGroup(slaveGroupId);
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266 | }
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267 |
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268 | public IEnumerable<Slave> GetSlaves() {
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269 | return dao.GetSlaves(x => true);
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270 | }
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271 |
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272 | public IEnumerable<SlaveGroup> GetSlaveGroups() {
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273 | return dao.GetSlaveGroups(x => true);
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274 | }
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275 |
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276 | public void UpdateSlave(Slave slave) {
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277 | using (trans.OpenTransaction()) {
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278 | dao.UpdateSlave(slave);
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279 | }
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280 | }
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281 |
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282 | public void UpdateSlaveGroup(SlaveGroup slaveGroup) {
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283 | using (trans.OpenTransaction()) {
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284 | dao.UpdateSlaveGroup(slaveGroup);
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285 | }
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286 | }
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287 |
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288 | public void DeleteSlave(Guid slaveId) {
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289 | using (trans.OpenTransaction()) {
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290 | dao.DeleteSlave(slaveId);
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291 | }
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292 | }
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293 |
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294 | public void DeleteSlaveGroup(Guid slaveGroupId) {
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295 | using (trans.OpenTransaction()) {
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296 | dao.DeleteSlaveGroup(slaveGroupId);
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297 | }
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298 | }
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299 |
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300 | public void AddResourceToGroup(Guid slaveGroupId, Guid resourceId) {
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301 | using (trans.OpenTransaction()) {
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302 | var resource = dao.GetResource(resourceId);
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303 | resource.ParentResourceId = slaveGroupId;
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304 | dao.UpdateResource(resource);
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305 | }
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306 | }
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307 |
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308 | public void RemoveResourceFromGroup(Guid slaveGroupId, Guid resourceId) {
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309 | using (trans.OpenTransaction()) {
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310 | var resource = dao.GetResource(resourceId);
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311 | resource.ParentResourceId = null;
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312 | dao.UpdateResource(resource);
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313 | }
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314 | }
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315 |
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316 | #endregion
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317 |
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318 | #region Helper Methods
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319 | private IEnumerable<Job> GetChildJobs(Guid? parentJobId, bool recursive, bool includeParent) {
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320 | var jobs = new List<Job>(dao.GetJobs(x => parentJobId == null ? !x.ParentJobId.HasValue : x.ParentJobId.Value == parentJobId));
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321 |
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322 | if (includeParent) {
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323 | jobs.Add(GetJob(parentJobId.Value));
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324 | }
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325 |
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326 | if (recursive) {
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327 | var childs = new List<Job>();
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328 | foreach (var job in jobs) {
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329 | childs.AddRange(GetChildJobs(job.Id, recursive, false));
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330 | }
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331 | jobs.AddRange(childs);
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332 | }
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333 | return jobs;
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334 | }
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335 |
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336 | #endregion
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337 |
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338 | }
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339 | }
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