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 HeuristicLab.Hive.Contracts.BusinessObjects;
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6 | using System.Data.Linq;
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7 | using HeuristicLab.Hive.Server.DataAccess;
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8 | using System.IO;
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9 | using System.Data.SqlClient;
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10 |
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11 | namespace HeuristicLab.Hive.Server.LINQDataAccess {
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12 | public class JobDao: BaseDao<JobDto, Job>, IJobDao {
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13 |
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14 | #region IGenericDao<JobDto,Job> Members
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15 |
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16 | public JobDto FindById(Guid id) {
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17 | return (from job in Context.Jobs
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18 | where job.JobId.Equals(id)
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19 | select EntityToDto(job, null)).SingleOrDefault();
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20 | }
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21 |
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22 | public IEnumerable<JobDto> FindAll() {
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23 | return (from job in Context.Jobs
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24 | select EntityToDto(job, null)).ToList();
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25 | }
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26 |
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27 | public IEnumerable<JobDto> FindWithLimitations(State jobState, int offset, int count) {
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28 |
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29 | IQueryable<JobDto> query = null;
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30 | if (jobState == State.finished) {
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31 | query = from job in Context.Jobs
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32 | where job.JobState == Enum.GetName(typeof (State), jobState)
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33 | orderby job.DateFinished
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34 | select EntityToDto(job, null);
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35 | } else if (jobState == State.calculating || jobState == State.requestSnapshot || jobState == State.requestSnapshotSent) {
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36 | query = from job in Context.Jobs
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37 | where job.JobState == Enum.GetName(typeof(State), jobState)
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38 | orderby job.DateCalculated
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39 | select EntityToDto(job, null);
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40 | } else {
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41 | query = from job in Context.Jobs
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42 | where job.JobState == Enum.GetName(typeof(State), jobState)
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43 | orderby job.DateCreated
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44 | select EntityToDto(job, null);
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45 | }
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46 |
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47 | return query.Skip(offset).Take(count).ToList();
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48 | }
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49 |
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50 |
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51 | public byte[] GetBinaryJobFile(Guid jobId) {
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52 | return (from job in Context.Jobs
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53 | where job.JobId.Equals(jobId)
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54 | select job.SerializedJob).SingleOrDefault().ToArray();
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55 | }
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56 |
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57 | public JobDto Insert(JobDto bObj) {
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58 | Job j = DtoToEntity(bObj, null);
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59 | Context.Jobs.InsertOnSubmit(j);
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60 | CommitChanges();
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61 | bObj.Id = j.JobId;
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62 | return bObj;
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63 | }
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64 |
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65 | public SerializedJob InsertWithAttachedJob(SerializedJob job) {
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66 | Job j = DtoToEntity(job.JobInfo, null);
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67 | j.SerializedJob = job.SerializedJobData;
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68 | foreach (Guid assignRessourceId in job.JobInfo.AssignedResourceIds)
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69 | j.AssignedResources.Add(new AssignedResource { ResourceId = assignRessourceId});
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70 | Context.Jobs.InsertOnSubmit(j);
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71 | CommitChanges();
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72 | job.JobInfo.Id = j.JobId;
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73 | return job;
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74 |
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75 | }
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76 |
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77 | public void Delete(JobDto bObj) {
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78 | Job job = Context.Jobs.SingleOrDefault(j => j.JobId.Equals(bObj.Id));
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79 | Context.Jobs.DeleteOnSubmit(job);
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80 | CommitChanges();
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81 | }
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82 |
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83 | public void Update(JobDto bObj) {
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84 | Job job = Context.Jobs.SingleOrDefault(j => j.JobId.Equals(bObj.Id));
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85 | DtoToEntity(bObj, job);
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86 | CommitChanges();
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87 | }
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88 |
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89 | public IEnumerable<JobDto> FindActiveJobsOfClient(ClientDto client) {
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90 | return (from j in Context.Jobs
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91 | where (j.JobState == Enum.GetName(typeof (State), State.calculating) ||
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92 | j.JobState == Enum.GetName(typeof (State), State.abort) ||
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93 | j.JobState == Enum.GetName(typeof (State), State.requestSnapshot) ||
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94 | j.JobState == Enum.GetName(typeof (State), State.requestSnapshotSent)) &&
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95 | (j.ResourceId.Equals(client.Id))
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96 | select EntityToDto(j, null)).ToList();
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97 | }
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98 | public IEnumerable<JobDto> FindFittingJobsForClient(State state, int freeCores, int freeMemory, Guid clientId) {
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99 | ClientGroupDao cgd = new ClientGroupDao();
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100 |
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101 | List<Guid> idList = new List<Guid>(cgd.FindAllGroupAndParentGroupIdsForClient(clientId));
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102 | //Add myself too - enables jobs for one specific host!
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103 | idList.Add(clientId);
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104 |
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105 | var q = (from ar in Context.AssignedResources
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106 | where ar.Job.JobState == Enum.GetName(typeof (State), State.offline) &&
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107 | ar.Job.CoresNeeded <= freeCores &&
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108 | ar.Job.MemoryNeeded <= freeMemory &&
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109 | idList.Contains(ar.ResourceId)
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110 | orderby ar.Job.Priority descending
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111 | select EntityToDto(ar.Job, null));
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112 | return q.ToList();
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113 |
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114 | }
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115 |
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116 | public IEnumerable<JobDto> GetJobsByState(State state) {
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117 | return (from j in Context.Jobs
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118 | where (j.JobState == Enum.GetName(typeof (State), state))
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119 | select EntityToDto(j, null)).ToList();
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120 | }
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121 |
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122 | public void AssignClientToJob(Guid clientId, Guid jobId) {
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123 | Client c = Context.Clients.SingleOrDefault(client => client.ResourceId.Equals(clientId));
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124 | Job j = Context.Jobs.SingleOrDefault(job => job.JobId.Equals(jobId));
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125 | c.Jobs.Add(j);
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126 | j.Client = c;
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127 | CommitChanges();
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128 | }
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129 |
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130 | public void SetJobOffline(JobDto job) {
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131 | Job j = Context.Jobs.SingleOrDefault(jq => jq.JobId.Equals(job.Id));
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132 | j.Client = null;
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133 | j.JobState = Enum.GetName(typeof(State), State.offline);
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134 | CommitChanges();
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135 | }
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136 |
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137 | public Stream GetSerializedJobStream(Guid jobId) {
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138 | VarBinarySource source =
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139 | new VarBinarySource(
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140 | (SqlConnection)Context.Connection, null,
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141 | "Job", "SerializedJob", "JobId", jobId);
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142 |
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143 | return new VarBinaryStream(source);
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144 | }
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145 |
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146 | #endregion
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147 |
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148 | public override Job DtoToEntity(JobDto source, Job target) {
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149 | if (source == null)
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150 | return null;
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151 | if (target == null)
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152 | target = new Job();
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153 |
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154 | target.CoresNeeded = source.CoresNeeded;
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155 | target.MemoryNeeded = source.MemoryNeeded;
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156 |
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157 | target.DateCalculated = source.DateCalculated;
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158 | target.DateCreated = source.DateCreated;
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159 | target.DateFinished = source.DateFinished;
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160 | target.JobId = source.Id;
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161 |
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162 | target.Percentage = source.Percentage;
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163 |
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164 | target.Priority = source.Priority;
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165 | target.JobState = Enum.GetName(typeof(State), source.State);
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166 | return target;
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167 | }
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168 |
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169 | //Assigned ressources are not used atm!
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170 | //Client is not used ATM - not sure when we stopped using those...
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171 | public override JobDto EntityToDto(Job source, JobDto target) {
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172 | if (source == null)
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173 | return null;
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174 | if(target == null)
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175 | target = new JobDto();
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176 |
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177 | //target.ParentJob = null;
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178 | //target.PluginsNeeded = null;
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179 | //target.Client = null;
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180 | //target.Project = null;
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181 |
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182 | target.CoresNeeded = source.CoresNeeded;
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183 | target.MemoryNeeded = source.MemoryNeeded;
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184 |
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185 | target.DateCalculated = source.DateCalculated;
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186 | target.DateCreated = source.DateCreated;
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187 | target.DateFinished = source.DateFinished;
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188 | target.Id = source.JobId;
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189 |
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190 | target.Percentage = source.Percentage;
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191 |
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192 | target.Priority = source.Priority;
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193 | target.State = (State) Enum.Parse(typeof (State), source.JobState);
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194 | return target;
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195 | }
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196 | }
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197 | }
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