1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2011 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.ComponentModel;
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25 | using System.Drawing;
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26 | using System.Linq;
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27 | using System.Threading;
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28 | using HeuristicLab.Collections;
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29 | using HeuristicLab.Common;
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30 | using HeuristicLab.Core;
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31 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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32 | using HeuristicLab.PluginInfrastructure;
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33 |
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34 | namespace HeuristicLab.Clients.Hive {
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35 |
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36 | [Item("Hive Job", "Represents a hive job.")]
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37 | [StorableClass]
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38 | public class HiveJob : NamedItem, IItemTree<HiveJob> {
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39 | protected static object locker = new object();
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40 | protected ReaderWriterLockSlim childHiveJobsLock = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
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41 |
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42 | public override Image ItemImage {
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43 | get {
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44 | if (job.Id == Guid.Empty) { // not yet uploaded
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45 | return HeuristicLab.Common.Resources.VSImageLibrary.Event;
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46 | } else {
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47 | if (job.State == JobState.Waiting) return HeuristicLab.Common.Resources.VSImageLibrary.ExecutablePrepared;
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48 | else if (job.State == JobState.Calculating) return HeuristicLab.Common.Resources.VSImageLibrary.ExecutableStarted;
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49 | else if (job.State == JobState.Transferring) return HeuristicLab.Common.Resources.VSImageLibrary.ExecutableStarted;
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50 | else if (job.State == JobState.Paused) return HeuristicLab.Common.Resources.VSImageLibrary.ExecutablePaused;
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51 | else if (job.State == JobState.Aborted) return HeuristicLab.Common.Resources.VSImageLibrary.ExecutableStopped;
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52 | else if (job.State == JobState.Failed) return HeuristicLab.Common.Resources.VSImageLibrary.Error;
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53 | else if (job.State == JobState.Finished) return HeuristicLab.Common.Resources.VSImageLibrary.ExecutableStopped;
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54 | else return HeuristicLab.Common.Resources.VSImageLibrary.Event;
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55 | }
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56 | }
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57 | }
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58 |
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59 | [Storable]
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60 | protected Job job;
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61 | public Job Job {
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62 | get { return job; }
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63 | set {
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64 | if (job != value) {
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65 | DeregisterJobEvents();
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66 | job = value;
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67 | RegisterJobEvents();
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68 | IsFinishedJobDownloaded = false;
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69 | OnJobChanged();
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70 | OnToStringChanged();
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71 | OnItemImageChanged();
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72 | }
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73 |
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74 | }
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75 | }
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76 |
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77 | [Storable]
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78 | protected ItemJob itemJob;
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79 | public ItemJob ItemJob {
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80 | get { return itemJob; }
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81 | set {
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82 | if (itemJob != null && syncJobsWithOptimizers) {
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83 | this.childHiveJobs.Clear();
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84 | }
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85 | if (itemJob != value) {
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86 | DergisterItemJobEvents();
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87 | itemJob = value;
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88 | RegisterItemJobEvents();
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89 | OnItemJobChanged();
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90 | IsFinishedJobDownloaded = true;
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91 | }
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92 | }
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93 | }
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94 |
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95 | // job downloaded since last status change
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96 | [Storable]
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97 | private bool isFinishedJobDownloaded = false;
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98 | public bool IsFinishedJobDownloaded {
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99 | get { return isFinishedJobDownloaded; }
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100 | set {
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101 | if (value != isFinishedJobDownloaded) {
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102 | this.isFinishedJobDownloaded = value;
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103 | OnIsFinishedJobDownloadedChanged();
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104 | }
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105 | }
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106 | }
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107 |
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108 | public bool IsDownloading { get; set; }
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109 |
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110 | [Storable]
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111 | protected ItemList<HiveJob> childHiveJobs;
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112 | public virtual ReadOnlyItemList<HiveJob> ChildHiveJobs {
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113 | get {
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114 | childHiveJobsLock.EnterReadLock();
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115 | try {
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116 | return childHiveJobs.AsReadOnly();
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117 | }
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118 | finally { childHiveJobsLock.ExitReadLock(); }
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119 | }
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120 | }
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121 |
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122 | [Storable]
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123 | protected bool syncJobsWithOptimizers = true;
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124 |
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125 | #region Constructors and Cloning
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126 | public HiveJob() {
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127 | this.Job = new Job() { CoresNeeded = 1, MemoryNeeded = 0 };
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128 | job.State = JobState.Offline;
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129 | this.childHiveJobs = new ItemList<HiveJob>();
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130 | syncJobsWithOptimizers = true;
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131 | RegisterChildHiveJobEvents();
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132 | }
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133 |
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134 | public HiveJob(ItemJob itemJob, bool autoCreateChildHiveJobs)
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135 | : this() {
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136 | this.syncJobsWithOptimizers = autoCreateChildHiveJobs;
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137 | this.ItemJob = itemJob;
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138 | this.syncJobsWithOptimizers = true;
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139 | }
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140 |
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141 | public HiveJob(Job job, JobData jobData, bool autoCreateChildHiveJobs) {
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142 | this.syncJobsWithOptimizers = autoCreateChildHiveJobs;
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143 | this.Job = job;
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144 | try {
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145 | this.ItemJob = PersistenceUtil.Deserialize<ItemJob>(jobData.Data);
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146 | }
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147 | catch {
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148 | this.ItemJob = null;
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149 | }
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150 | this.childHiveJobs = new ItemList<HiveJob>();
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151 | this.syncJobsWithOptimizers = true;
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152 | RegisterChildHiveJobEvents();
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153 | }
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154 |
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155 | protected HiveJob(HiveJob original, Cloner cloner)
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156 | : base(original, cloner) {
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157 | this.Job = cloner.Clone(original.job);
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158 | this.ItemJob = cloner.Clone(original.ItemJob);
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159 | original.childHiveJobsLock.EnterReadLock();
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160 | try {
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161 | this.childHiveJobs = cloner.Clone(original.childHiveJobs);
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162 | }
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163 | finally { original.childHiveJobsLock.ExitReadLock(); }
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164 | this.syncJobsWithOptimizers = original.syncJobsWithOptimizers;
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165 | this.isFinishedJobDownloaded = original.isFinishedJobDownloaded;
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166 | }
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167 | public override IDeepCloneable Clone(Cloner cloner) {
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168 | return new HiveJob(this, cloner);
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169 | }
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170 | #endregion
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171 |
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172 | protected virtual void UpdateChildHiveJobs() { }
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173 |
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174 | protected virtual void RegisterItemJobEvents() {
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175 | if (ItemJob != null) {
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176 | ItemJob.ComputeInParallelChanged += new EventHandler(ItemJob_ComputeInParallelChanged);
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177 | ItemJob.ToStringChanged += new EventHandler(ItemJob_ToStringChanged);
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178 | }
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179 | }
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180 | protected virtual void DergisterItemJobEvents() {
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181 | if (ItemJob != null) {
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182 | ItemJob.ComputeInParallelChanged -= new EventHandler(ItemJob_ComputeInParallelChanged);
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183 | ItemJob.ToStringChanged -= new EventHandler(ItemJob_ToStringChanged);
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184 | }
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185 | }
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186 |
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187 | protected virtual void RegisterChildHiveJobEvents() {
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188 | this.childHiveJobs.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<HiveJob>>(OnItemsAdded);
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189 | this.childHiveJobs.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<HiveJob>>(OnItemsRemoved);
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190 | this.childHiveJobs.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<HiveJob>>(OnCollectionReset);
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191 | }
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192 | protected virtual void DeregisterChildHiveJobEvents() {
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193 | this.childHiveJobs.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<HiveJob>>(OnItemsAdded);
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194 | this.childHiveJobs.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<HiveJob>>(OnItemsRemoved);
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195 | this.childHiveJobs.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<HiveJob>>(OnCollectionReset);
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196 | }
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197 |
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198 | protected virtual void ItemJob_ToStringChanged(object sender, EventArgs e) {
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199 | this.OnToStringChanged();
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200 | }
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201 |
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202 | protected virtual void ItemJob_ComputeInParallelChanged(object sender, EventArgs e) {
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203 | if (ItemJob != null && syncJobsWithOptimizers) {
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204 | this.UpdateChildHiveJobs();
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205 | }
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206 | }
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207 |
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208 | public virtual void AddChildHiveJob(HiveJob hiveJob) {
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209 | childHiveJobsLock.EnterWriteLock();
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210 | try {
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211 | this.childHiveJobs.Add(hiveJob);
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212 | }
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213 | finally { childHiveJobsLock.ExitWriteLock(); }
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214 | }
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215 |
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216 | public override string ToString() {
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217 | if (itemJob != null && itemJob.Item != null) {
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218 | return itemJob.ToString();
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219 | } else {
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220 | return Job.Id.ToString();
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221 | }
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222 | }
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223 |
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224 | public virtual void UpdateFromLightweightJob(LightweightJob lightweightJob) {
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225 | if (lightweightJob != null) {
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226 | job.Id = lightweightJob.Id;
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227 | job.ParentJobId = lightweightJob.ParentJobId;
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228 | job.ExecutionTime = lightweightJob.ExecutionTime;
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229 | job.State = lightweightJob.State;
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230 | job.StateLog = new List<StateLog>(lightweightJob.StateLog);
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231 | job.Command = lightweightJob.Command;
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232 |
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233 | OnJobStateChanged();
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234 | OnToStringChanged();
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235 | OnItemImageChanged();
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236 | }
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237 | }
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238 |
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239 | /// <summary>
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240 | /// Creates a JobData object containing the Job and the IJob-Object as byte[]
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241 | /// </summary>
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242 | /// <param name="withoutChildOptimizers">
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243 | /// if true the Child-Optimizers will not be serialized (if the job contains an Experiment)
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244 | /// </param>
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245 | public virtual JobData GetAsJobData(bool withoutChildOptimizers, out List<IPluginDescription> plugins) {
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246 | plugins = new List<IPluginDescription>();
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247 | if (this.itemJob == null)
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248 | return null;
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249 |
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250 | IEnumerable<Type> usedTypes;
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251 | byte[] jobByteArray = PersistenceUtil.Serialize(this.ItemJob, out usedTypes);
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252 | JobData jobData = new JobData() { JobId = job.Id, Data = jobByteArray };
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253 | PluginUtil.CollectDeclaringPlugins(plugins, usedTypes);
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254 | return jobData;
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255 | }
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256 |
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257 | #region Events
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258 | public event EventHandler JobChanged;
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259 | private void OnJobChanged() {
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260 | EventHandler handler = JobChanged;
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261 | if (handler != null) handler(this, EventArgs.Empty);
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262 | }
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263 |
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264 | public event EventHandler JobStateChanged;
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265 | private void OnJobStateChanged() {
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266 | EventHandler handler = JobStateChanged;
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267 | if (handler != null) handler(this, EventArgs.Empty);
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268 | }
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269 |
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270 | public event EventHandler ItemJobChanged;
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271 | private void OnItemJobChanged() {
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272 | ItemJob_ComputeInParallelChanged(this, EventArgs.Empty);
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273 | var handler = ItemJobChanged;
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274 | if (handler != null) handler(this, EventArgs.Empty);
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275 | }
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276 |
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277 | public event EventHandler IsFinishedJobDownloadedChanged;
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278 | private void OnIsFinishedJobDownloadedChanged() {
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279 | var handler = IsFinishedJobDownloadedChanged;
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280 | if (handler != null) handler(this, EventArgs.Empty);
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281 | }
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282 |
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283 | private void RegisterJobEvents() {
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284 | if (job != null)
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285 | job.PropertyChanged += new PropertyChangedEventHandler(job_PropertyChanged);
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286 | }
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287 |
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288 | private void DeregisterJobEvents() {
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289 | if (job != null)
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290 | job.PropertyChanged += new System.ComponentModel.PropertyChangedEventHandler(job_PropertyChanged);
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291 | }
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292 |
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293 | private void job_PropertyChanged(object sender, PropertyChangedEventArgs e) {
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294 | if (e.PropertyName == "State") {
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295 | IsFinishedJobDownloaded = false;
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296 | }
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297 | }
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298 | #endregion
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299 |
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300 | /// <summary>
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301 | /// Returns a list of HiveJobs including this and all its child-jobs recursively
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302 | /// </summary>
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303 | public IEnumerable<HiveJob> GetAllHiveJobs() {
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304 | childHiveJobsLock.EnterReadLock();
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305 | try {
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306 | var jobs = new List<HiveJob>();
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307 | jobs.Add(this);
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308 | foreach (HiveJob child in this.childHiveJobs) {
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309 | jobs.AddRange(child.GetAllHiveJobs());
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310 | }
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311 | return jobs;
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312 | }
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313 | finally { childHiveJobsLock.ExitReadLock(); }
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314 | }
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315 |
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316 | public HiveJob GetParentByJobId(Guid jobId) {
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317 | childHiveJobsLock.EnterReadLock();
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318 | try {
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319 | if (this.ChildHiveJobs.SingleOrDefault(j => j.job.Id == jobId) != null)
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320 | return this;
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321 | foreach (HiveJob child in this.childHiveJobs) {
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322 | HiveJob result = child.GetParentByJobId(jobId);
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323 | if (result != null)
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324 | return result;
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325 | }
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326 | return null;
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327 | }
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328 | finally { childHiveJobsLock.ExitWriteLock(); }
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329 | }
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330 |
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331 | /// <summary>
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332 | /// Searches for an HiveJob object with the correct jobId recursively
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333 | /// </summary>
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334 | public HiveJob GetHiveJobByJobId(Guid jobId) {
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335 | if (this.Job.Id == jobId) {
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336 | return this;
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337 | } else {
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338 | childHiveJobsLock.EnterReadLock();
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339 | try {
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340 | foreach (HiveJob child in this.childHiveJobs) {
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341 | HiveJob result = child.GetHiveJobByJobId(jobId);
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342 | if (result != null)
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343 | return result;
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344 | }
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345 | }
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346 | finally { childHiveJobsLock.ExitReadLock(); }
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347 | }
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348 | return null;
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349 | }
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350 |
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351 | public void RemoveByJobId(Guid jobId) {
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352 | childHiveJobsLock.EnterWriteLock();
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353 | try {
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354 | IEnumerable<HiveJob> jobs = childHiveJobs.Where(j => j.Job.Id == jobId).ToList();
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355 | foreach (HiveJob j in jobs) {
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356 | this.childHiveJobs.Remove(j);
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357 | }
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358 | foreach (HiveJob child in childHiveJobs) {
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359 | child.RemoveByJobId(jobId);
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360 | }
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361 | }
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362 | finally { childHiveJobsLock.ExitWriteLock(); }
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363 | }
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364 |
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365 | public IEnumerable<IItemTree<HiveJob>> GetChildItems() {
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366 | return this.ChildHiveJobs;
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367 | }
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368 |
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369 | #region INotifyObservableCollectionItemsChanged<IItemTree> Members
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370 |
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371 | public event CollectionItemsChangedEventHandler<IItemTree<HiveJob>> CollectionReset;
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372 | private void OnCollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<HiveJob>> e) {
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373 | var handler = CollectionReset;
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374 | if (handler != null) handler(this, ToCollectionItemsChangedEventArgs(e));
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375 | }
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376 |
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377 | public event CollectionItemsChangedEventHandler<IItemTree<HiveJob>> ItemsAdded;
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378 | private void OnItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<HiveJob>> e) {
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379 | var handler = ItemsAdded;
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380 | if (handler != null) handler(this, ToCollectionItemsChangedEventArgs(e));
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381 | }
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382 |
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383 | public event CollectionItemsChangedEventHandler<IItemTree<HiveJob>> ItemsRemoved;
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384 | private void OnItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<HiveJob>> e) {
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385 | var handler = ItemsRemoved;
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386 | if (handler != null) handler(this, ToCollectionItemsChangedEventArgs(e));
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387 | }
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388 |
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389 | private static CollectionItemsChangedEventArgs<IItemTree<HiveJob>> ToCollectionItemsChangedEventArgs(CollectionItemsChangedEventArgs<IndexedItem<HiveJob>> e) {
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390 | return new CollectionItemsChangedEventArgs<IItemTree<HiveJob>>(e.Items.Select(x => x.Value), e.OldItems == null ? null : e.OldItems.Select(x => x.Value));
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391 | }
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392 | #endregion
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393 |
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394 | public void Pause() {
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395 | if (this.Job.IsParentJob) {
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396 | childHiveJobsLock.EnterReadLock();
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397 | try {
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398 | foreach (var child in childHiveJobs) {
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399 | ServiceLocator.Instance.CallHiveService(s => s.PauseJob(child.job.Id));
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400 | }
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401 | }
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402 | finally { childHiveJobsLock.ExitReadLock(); }
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403 | } else {
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404 | ServiceLocator.Instance.CallHiveService(s => s.PauseJob(this.job.Id));
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405 | }
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406 | }
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407 |
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408 | public void Stop() {
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409 | if (this.Job.IsParentJob) {
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410 | childHiveJobsLock.EnterReadLock();
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411 | try {
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412 | foreach (var child in childHiveJobs) {
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413 | ServiceLocator.Instance.CallHiveService(s => s.StopJob(child.job.Id));
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414 | }
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415 | }
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416 | finally { childHiveJobsLock.ExitReadLock(); }
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417 | } else {
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418 | ServiceLocator.Instance.CallHiveService(s => s.StopJob(this.job.Id));
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419 | }
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420 | }
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421 |
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422 | public void Restart() {
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423 | ServiceLocator.Instance.CallHiveService(service => {
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424 | JobData jobData = new JobData();
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425 | jobData.JobId = this.job.Id;
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426 | jobData.Data = PersistenceUtil.Serialize(this.itemJob);
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427 | service.UpdateJobData(this.Job, jobData);
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428 | service.RestartJob(this.job.Id);
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429 | Job job = service.GetJob(this.job.Id);
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430 | this.job.LastJobDataUpdate = job.LastJobDataUpdate;
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431 | });
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432 | }
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433 |
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434 | public ICollection<IItemTreeNodeAction<HiveJob>> Actions {
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435 | get {
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436 | return new List<IItemTreeNodeAction<HiveJob>>();
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437 | }
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438 | }
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439 |
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440 | public virtual void IntegrateChild(ItemJob job, Guid childJobId) { }
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441 |
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442 | /// <summary>
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443 | /// Delete ItemJob
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444 | /// </summary>
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445 | public void ClearData() {
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446 | this.ItemJob.Item = null;
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447 | }
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448 | }
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449 |
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450 | [Item("Hive Job", "Represents a hive job.")]
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451 | [StorableClass]
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452 | public class HiveJob<T> : HiveJob where T : ItemJob {
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453 |
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454 | public new T ItemJob {
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455 | get { return (T)base.ItemJob; }
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456 | internal set { base.ItemJob = value; }
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457 | }
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458 |
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459 | #region Constructors and Cloning
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460 | public HiveJob() : base() { }
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461 | public HiveJob(T itemJob) : base(itemJob, true) { }
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462 | protected HiveJob(HiveJob original, Cloner cloner)
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463 | : base(original, cloner) {
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464 | }
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465 | public override IDeepCloneable Clone(Cloner cloner) {
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466 | return new HiveJob<T>(this, cloner);
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467 | }
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468 | #endregion
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469 | }
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470 | } |
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