1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2016 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 Task", "Represents a hive task.")]
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37 | [StorableClass]
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38 | public class HiveTask : NamedItem, IItemTree<HiveTask>, IDisposable {
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39 | protected static object locker = new object();
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40 | protected ReaderWriterLockSlim childHiveTasksLock = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
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41 | protected ReaderWriterLockSlim itemTaskLock = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
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42 |
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43 | public static new Image StaticItemImage {
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44 | get { return HeuristicLab.Common.Resources.VSImageLibrary.Event; }
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45 | }
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46 | public override Image ItemImage {
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47 | get {
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48 | if (task.Id == Guid.Empty) { // not yet uploaded
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49 | return HeuristicLab.Common.Resources.VSImageLibrary.Event;
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50 | } else {
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51 | if (task.State == TaskState.Waiting) return HeuristicLab.Common.Resources.VSImageLibrary.ExecutablePrepared;
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52 | else if (task.State == TaskState.Calculating) return HeuristicLab.Common.Resources.VSImageLibrary.ExecutableStarted;
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53 | else if (task.State == TaskState.Transferring) return HeuristicLab.Common.Resources.VSImageLibrary.ExecutableStarted;
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54 | else if (task.State == TaskState.Paused) return HeuristicLab.Common.Resources.VSImageLibrary.ExecutablePaused;
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55 | else if (task.State == TaskState.Aborted) return HeuristicLab.Common.Resources.VSImageLibrary.ExecutableStopped;
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56 | else if (task.State == TaskState.Failed) return HeuristicLab.Common.Resources.VSImageLibrary.Error;
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57 | else if (task.State == TaskState.Finished) return HeuristicLab.Common.Resources.VSImageLibrary.ExecutableStopped;
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58 | else return base.ItemImage;
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59 | }
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60 | }
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61 | }
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62 |
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63 | [Storable]
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64 | protected Task task;
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65 | public Task Task {
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66 | get { return task; }
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67 | set {
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68 | if (task != value) {
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69 | DeregisterTaskEvents();
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70 | task = value;
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71 | RegisterTaskEvents();
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72 | IsFinishedTaskDownloaded = false;
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73 | OnTaskChanged();
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74 | OnToStringChanged();
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75 | OnItemImageChanged();
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76 | }
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77 | }
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78 | }
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79 |
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80 | [Storable]
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81 | protected ItemTask itemTask;
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82 | public ItemTask ItemTask {
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83 | get { return itemTask; }
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84 | set {
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85 | if (itemTask != null && syncTasksWithOptimizers) {
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86 | childHiveTasksLock.EnterWriteLock();
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87 | try {
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88 | childHiveTasks.Clear();
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89 | }
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90 | finally { childHiveTasksLock.ExitWriteLock(); }
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91 | }
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92 | if (itemTask != value) {
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93 | itemTaskLock.EnterWriteLock();
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94 | try {
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95 | DeregisterItemTaskEvents();
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96 | itemTask = value;
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97 | RegisterItemTaskEvents();
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98 | }
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99 | finally { itemTaskLock.ExitWriteLock(); }
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100 | OnItemTaskChanged();
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101 | IsFinishedTaskDownloaded = true;
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102 | }
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103 |
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104 | }
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105 | }
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106 |
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107 | // task downloaded since last status change
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108 | [Storable]
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109 | private bool isFinishedTaskDownloaded = false;
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110 | public bool IsFinishedTaskDownloaded {
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111 | get { return isFinishedTaskDownloaded; }
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112 | set {
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113 | if (value != isFinishedTaskDownloaded) {
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114 | this.isFinishedTaskDownloaded = value;
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115 | OnIsFinishedJobDownloadedChanged();
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116 | }
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117 | }
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118 | }
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119 |
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120 | public bool IsDownloading { get; set; }
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121 |
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122 | // if true, all control buttons should be enabled. otherwise disabled
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123 | private bool isControllable = true;
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124 | public bool IsControllable {
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125 | get { return isControllable; }
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126 | set {
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127 | if (value != isControllable) {
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128 | isControllable = value;
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129 | OnIsControllableChanged();
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130 | childHiveTasksLock.EnterReadLock();
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131 | try {
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132 | foreach (var hiveJob in childHiveTasks) {
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133 | hiveJob.IsControllable = value;
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134 | }
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135 | }
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136 | finally {
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137 | childHiveTasksLock.ExitReadLock();
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138 | }
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139 | }
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140 | }
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141 | }
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142 |
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143 | [Storable]
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144 | protected ItemList<HiveTask> childHiveTasks;
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145 | public virtual ReadOnlyItemList<HiveTask> ChildHiveTasks {
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146 | get {
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147 | childHiveTasksLock.EnterReadLock();
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148 | try {
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149 | return childHiveTasks.AsReadOnly();
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150 | }
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151 | finally { childHiveTasksLock.ExitReadLock(); }
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152 | }
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153 | }
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154 |
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155 | [Storable]
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156 | protected bool syncTasksWithOptimizers = true;
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157 |
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158 | public StateLogList StateLog {
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159 | get {
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160 | var list = new StateLogList(this.task.StateLog);
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161 | list.ForEach(s => { s.TaskName = itemTask.Name; });
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162 | return list;
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163 | }
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164 | }
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165 |
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166 | public StateLogListList ChildStateLogList {
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167 | get { return new StateLogListList(this.childHiveTasks.Select(x => x.StateLog)); }
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168 | }
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169 |
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170 | #region Constructors and Cloning
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171 | [StorableConstructor]
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172 | protected HiveTask(bool deserializing) { }
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173 |
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174 | public HiveTask()
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175 | : base() {
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176 | Name = "Hive Task";
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177 | this.Task = new Task() { CoresNeeded = 1, MemoryNeeded = 128 };
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178 | task.State = TaskState.Offline;
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179 | this.childHiveTasks = new ItemList<HiveTask>();
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180 | syncTasksWithOptimizers = true;
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181 | RegisterChildHiveTasksEvents();
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182 | }
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183 |
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184 | public HiveTask(ItemTask itemTask, bool autoCreateChildHiveTasks)
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185 | : this() {
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186 | this.syncTasksWithOptimizers = autoCreateChildHiveTasks;
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187 | this.ItemTask = itemTask;
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188 | this.syncTasksWithOptimizers = true;
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189 | }
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190 |
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191 | public HiveTask(Task task, TaskData taskData, bool autoCreateChildHiveTasks) {
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192 | this.syncTasksWithOptimizers = autoCreateChildHiveTasks;
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193 | this.Task = task;
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194 | try {
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195 | this.ItemTask = PersistenceUtil.Deserialize<ItemTask>(taskData.Data);
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196 | }
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197 | catch {
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198 | this.ItemTask = null;
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199 | }
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200 | this.childHiveTasks = new ItemList<HiveTask>();
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201 | this.syncTasksWithOptimizers = true;
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202 | RegisterChildHiveTasksEvents();
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203 | }
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204 |
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205 | protected HiveTask(HiveTask original, Cloner cloner)
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206 | : base(original, cloner) {
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207 | this.Task = cloner.Clone(original.task);
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208 | this.ItemTask = cloner.Clone(original.ItemTask);
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209 | original.childHiveTasksLock.EnterReadLock();
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210 | try {
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211 | this.childHiveTasks = cloner.Clone(original.childHiveTasks);
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212 | }
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213 | finally { original.childHiveTasksLock.ExitReadLock(); }
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214 | this.syncTasksWithOptimizers = original.syncTasksWithOptimizers;
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215 | this.isFinishedTaskDownloaded = original.isFinishedTaskDownloaded;
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216 | }
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217 | public override IDeepCloneable Clone(Cloner cloner) {
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218 | return new HiveTask(this, cloner);
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219 | }
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220 | #endregion
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221 |
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222 | protected virtual void UpdateChildHiveTasks() { }
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223 |
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224 | protected virtual void RegisterItemTaskEvents() {
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225 | if (ItemTask != null) {
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226 | ItemTask.ComputeInParallelChanged += new EventHandler(ItemJob_ComputeInParallelChanged);
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227 | ItemTask.ToStringChanged += new EventHandler(ItemJob_ToStringChanged);
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228 | }
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229 | }
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230 | protected virtual void DeregisterItemTaskEvents() {
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231 | if (ItemTask != null) {
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232 | ItemTask.ComputeInParallelChanged -= new EventHandler(ItemJob_ComputeInParallelChanged);
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233 | ItemTask.ToStringChanged -= new EventHandler(ItemJob_ToStringChanged);
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234 | }
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235 | }
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236 |
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237 | protected virtual void RegisterChildHiveTasksEvents() {
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238 | this.childHiveTasks.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<HiveTask>>(OnItemsAdded);
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239 | this.childHiveTasks.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<HiveTask>>(OnItemsRemoved);
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240 | this.childHiveTasks.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<HiveTask>>(OnCollectionReset);
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241 | }
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242 | protected virtual void DeregisterChildHiveTasksEvents() {
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243 | this.childHiveTasks.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<HiveTask>>(OnItemsAdded);
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244 | this.childHiveTasks.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<HiveTask>>(OnItemsRemoved);
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245 | this.childHiveTasks.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<HiveTask>>(OnCollectionReset);
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246 | }
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247 |
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248 | protected virtual void ItemJob_ToStringChanged(object sender, EventArgs e) {
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249 | this.OnToStringChanged();
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250 | }
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251 |
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252 | protected virtual void ItemJob_ComputeInParallelChanged(object sender, EventArgs e) {
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253 | if (ItemTask != null && syncTasksWithOptimizers) {
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254 | this.UpdateChildHiveTasks();
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255 | }
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256 | }
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257 |
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258 | public virtual void AddChildHiveTask(HiveTask hiveTask) {
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259 | childHiveTasksLock.EnterWriteLock();
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260 | try {
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261 | this.childHiveTasks.Add(hiveTask);
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262 | }
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263 | finally { childHiveTasksLock.ExitWriteLock(); }
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264 | }
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265 |
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266 | public override string ToString() {
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267 | if (itemTask != null && itemTask.Item != null) {
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268 | return itemTask.ToString();
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269 | } else {
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270 | return Task.Id.ToString();
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271 | }
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272 | }
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273 |
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274 | public virtual void UpdateFromLightweightJob(LightweightTask lightweightJob) {
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275 | if (lightweightJob != null) {
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276 | task.Id = lightweightJob.Id;
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277 | task.ParentTaskId = lightweightJob.ParentTaskId;
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278 | task.ExecutionTime = lightweightJob.ExecutionTime;
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279 | task.State = lightweightJob.State;
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280 | task.StateLog = new List<StateLog>(lightweightJob.StateLog);
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281 | task.Command = lightweightJob.Command;
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282 |
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283 | OnTaskStateChanged();
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284 | OnToStringChanged();
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285 | OnItemImageChanged();
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286 | OnStateLogChanged();
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287 | }
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288 | }
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289 |
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290 | /// <summary>
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291 | /// Creates a TaskData object containing the Task and the IJob-Object as byte[]
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292 | /// </summary>
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293 | /// <param name="withoutChildOptimizers">
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294 | /// if true the Child-Optimizers will not be serialized (if the task contains an Experiment)
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295 | /// </param>
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296 | public virtual TaskData GetAsTaskData(bool withoutChildOptimizers, out List<IPluginDescription> plugins) {
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297 | if (ItemTask == null) {
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298 | plugins = new List<IPluginDescription>();
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299 | return null;
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300 | }
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301 |
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302 | IEnumerable<Type> usedTypes;
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303 | byte[] taskByteArray = PersistenceUtil.Serialize(ItemTask, out usedTypes);
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304 | TaskData taskData = new TaskData() { TaskId = task.Id, Data = taskByteArray };
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305 | plugins = PluginUtil.GetPluginsForTask(usedTypes, ItemTask);
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306 | return taskData;
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307 | }
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308 |
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309 | #region Event Handler
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310 | public event EventHandler TaskChanged;
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311 | private void OnTaskChanged() {
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312 | EventHandler handler = TaskChanged;
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313 | if (handler != null) handler(this, EventArgs.Empty);
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314 | }
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315 |
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316 | public event EventHandler TaskStateChanged;
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317 | private void OnTaskStateChanged() {
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318 | EventHandler handler = TaskStateChanged;
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319 | if (handler != null) handler(this, EventArgs.Empty);
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320 | }
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321 |
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322 | public event EventHandler ItemTaskChanged;
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323 | private void OnItemTaskChanged() {
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324 | ItemJob_ComputeInParallelChanged(this, EventArgs.Empty);
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325 | var handler = ItemTaskChanged;
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326 | if (handler != null) handler(this, EventArgs.Empty);
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327 | }
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328 |
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329 | public event EventHandler IsFinishedJobDownloadedChanged;
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330 | private void OnIsFinishedJobDownloadedChanged() {
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331 | var handler = IsFinishedJobDownloadedChanged;
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332 | if (handler != null) handler(this, EventArgs.Empty);
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333 | }
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334 |
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335 | public event EventHandler StateLogChanged;
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336 | private void OnStateLogChanged() {
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337 | var handler = StateLogChanged;
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338 | if (handler != null) handler(this, EventArgs.Empty);
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339 | }
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340 |
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341 | public event EventHandler IsControllableChanged;
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342 | private void OnIsControllableChanged() {
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343 | var handler = IsControllableChanged;
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344 | if (handler != null) handler(this, EventArgs.Empty);
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345 | }
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346 |
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347 | private void RegisterTaskEvents() {
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348 | if (task != null)
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349 | task.PropertyChanged += new PropertyChangedEventHandler(task_PropertyChanged);
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350 | }
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351 |
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352 | private void DeregisterTaskEvents() {
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353 | if (task != null)
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354 | task.PropertyChanged += new PropertyChangedEventHandler(task_PropertyChanged);
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355 | }
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356 |
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357 | private void task_PropertyChanged(object sender, PropertyChangedEventArgs e) {
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358 | if (e.PropertyName == "State") {
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359 | IsFinishedTaskDownloaded = false;
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360 | }
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361 | if (e.PropertyName == "Priority" && Task != null) {
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362 | foreach (var task in childHiveTasks) {
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363 | task.Task.Priority = Task.Priority;
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364 | }
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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 | /// <summary>
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370 | /// Returns a list of HiveTasks including this and all its child-jobs recursively
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371 | /// </summary>
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372 | public IEnumerable<HiveTask> GetAllHiveTasks() {
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373 | childHiveTasksLock.EnterReadLock();
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374 | try {
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375 | var tasks = new List<HiveTask>();
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376 | tasks.Add(this);
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377 | foreach (HiveTask child in this.childHiveTasks) {
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378 | tasks.AddRange(child.GetAllHiveTasks());
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379 | }
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380 | return tasks;
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381 | }
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382 | finally { childHiveTasksLock.ExitReadLock(); }
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383 | }
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384 |
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385 | public HiveTask GetParentByJobId(Guid taskId) {
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386 | childHiveTasksLock.EnterReadLock();
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387 | try {
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388 | if (this.ChildHiveTasks.SingleOrDefault(j => j.task.Id == taskId) != null)
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389 | return this;
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390 | foreach (HiveTask child in this.childHiveTasks) {
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391 | HiveTask result = child.GetParentByJobId(taskId);
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392 | if (result != null)
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393 | return result;
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394 | }
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395 | return null;
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396 | }
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397 | finally { childHiveTasksLock.ExitWriteLock(); }
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398 | }
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399 |
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400 | /// <summary>
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401 | /// Searches for an HiveTask object with the correct taskId recursively
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402 | /// </summary>
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403 | public HiveTask GetHiveTaskByTaskId(Guid jobId) {
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404 | if (this.Task.Id == jobId) {
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405 | return this;
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406 | } else {
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407 | childHiveTasksLock.EnterReadLock();
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408 | try {
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409 | foreach (HiveTask child in this.childHiveTasks) {
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410 | HiveTask result = child.GetHiveTaskByTaskId(jobId);
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411 | if (result != null)
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412 | return result;
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413 | }
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414 | }
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415 | finally { childHiveTasksLock.ExitReadLock(); }
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416 | }
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417 | return null;
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418 | }
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419 |
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420 | public void RemoveByTaskId(Guid taskId) {
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421 | childHiveTasksLock.EnterWriteLock();
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422 | try {
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423 | IEnumerable<HiveTask> tasks = childHiveTasks.Where(j => j.Task.Id == taskId).ToList();
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424 | foreach (HiveTask t in tasks) {
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425 | this.childHiveTasks.Remove(t);
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426 | }
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427 | foreach (HiveTask child in childHiveTasks) {
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428 | child.RemoveByTaskId(taskId);
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429 | }
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430 | }
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431 | finally { childHiveTasksLock.ExitWriteLock(); }
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432 | }
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433 |
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434 | public IEnumerable<IItemTree<HiveTask>> GetChildItems() {
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435 | return this.ChildHiveTasks;
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436 | }
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437 |
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438 | #region INotifyObservableCollectionItemsChanged<IItemTree> Members
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439 |
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440 | public event CollectionItemsChangedEventHandler<IItemTree<HiveTask>> CollectionReset;
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441 | private void OnCollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<HiveTask>> e) {
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442 | foreach (var item in e.Items) {
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443 | item.Value.StateLogChanged -= new EventHandler(ChildHiveJob_StateLogChanged);
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444 | }
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445 | var handler = CollectionReset;
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446 | if (handler != null) handler(this, ToCollectionItemsChangedEventArgs(e));
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447 | }
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448 |
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449 | public event CollectionItemsChangedEventHandler<IItemTree<HiveTask>> ItemsAdded;
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450 | private void OnItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<HiveTask>> e) {
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451 | foreach (var item in e.Items) {
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452 | item.Value.StateLogChanged += new EventHandler(ChildHiveJob_StateLogChanged);
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453 | item.Value.IsControllable = this.IsControllable;
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454 | }
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455 | var handler = ItemsAdded;
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456 | if (handler != null) handler(this, ToCollectionItemsChangedEventArgs(e));
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457 | }
|
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458 |
|
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459 | public event CollectionItemsChangedEventHandler<IItemTree<HiveTask>> ItemsRemoved;
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460 | private void OnItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<HiveTask>> e) {
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461 | foreach (var item in e.Items) {
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462 | item.Value.StateLogChanged -= new EventHandler(ChildHiveJob_StateLogChanged);
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463 | }
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464 | var handler = ItemsRemoved;
|
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465 | if (handler != null) handler(this, ToCollectionItemsChangedEventArgs(e));
|
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466 | }
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467 |
|
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468 | private static CollectionItemsChangedEventArgs<IItemTree<HiveTask>> ToCollectionItemsChangedEventArgs(CollectionItemsChangedEventArgs<IndexedItem<HiveTask>> e) {
|
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469 | return new CollectionItemsChangedEventArgs<IItemTree<HiveTask>>(e.Items.Select(x => x.Value), e.OldItems == null ? null : e.OldItems.Select(x => x.Value));
|
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470 | }
|
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471 |
|
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472 | private void ChildHiveJob_StateLogChanged(object sender, EventArgs e) {
|
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473 | OnStateLogChanged();
|
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474 | }
|
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475 | #endregion
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476 |
|
---|
477 | public void Pause() {
|
---|
478 | if (this.Task.IsParentTask) {
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479 | childHiveTasksLock.EnterReadLock();
|
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480 | try {
|
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481 | foreach (var child in childHiveTasks) {
|
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482 | HiveServiceLocator.Instance.CallHiveService(s => s.PauseTask(child.task.Id));
|
---|
483 | }
|
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484 | }
|
---|
485 | finally { childHiveTasksLock.ExitReadLock(); }
|
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486 | } else {
|
---|
487 | HiveServiceLocator.Instance.CallHiveService(s => s.PauseTask(this.task.Id));
|
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488 | }
|
---|
489 | }
|
---|
490 |
|
---|
491 | public void Stop() {
|
---|
492 | if (this.Task.IsParentTask) {
|
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493 | childHiveTasksLock.EnterReadLock();
|
---|
494 | try {
|
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495 | foreach (var child in childHiveTasks) {
|
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496 | HiveServiceLocator.Instance.CallHiveService(s => s.StopTask(child.task.Id));
|
---|
497 | }
|
---|
498 | }
|
---|
499 | finally { childHiveTasksLock.ExitReadLock(); }
|
---|
500 | } else {
|
---|
501 | HiveServiceLocator.Instance.CallHiveService(s => s.StopTask(this.task.Id));
|
---|
502 | }
|
---|
503 | }
|
---|
504 |
|
---|
505 | public void Restart() {
|
---|
506 | HiveServiceLocator.Instance.CallHiveService(service => {
|
---|
507 | TaskData taskData = new TaskData();
|
---|
508 | taskData.TaskId = this.task.Id;
|
---|
509 | taskData.Data = PersistenceUtil.Serialize(this.itemTask);
|
---|
510 | service.UpdateTaskData(this.Task, taskData);
|
---|
511 | service.RestartTask(this.task.Id);
|
---|
512 | Task task = service.GetTask(this.task.Id);
|
---|
513 | this.task.LastTaskDataUpdate = task.LastTaskDataUpdate;
|
---|
514 | });
|
---|
515 | }
|
---|
516 |
|
---|
517 | public ICollection<IItemTreeNodeAction<HiveTask>> Actions {
|
---|
518 | get {
|
---|
519 | return new List<IItemTreeNodeAction<HiveTask>>();
|
---|
520 | }
|
---|
521 | }
|
---|
522 |
|
---|
523 | public virtual void IntegrateChild(ItemTask task, Guid childTaskId) { }
|
---|
524 |
|
---|
525 | /// <summary>
|
---|
526 | /// Delete ItemTask
|
---|
527 | /// </summary>
|
---|
528 | public virtual void ClearData() {
|
---|
529 | this.ItemTask.Item = null;
|
---|
530 | }
|
---|
531 |
|
---|
532 | public void Dispose() {
|
---|
533 | DeregisterChildHiveTasksEvents();
|
---|
534 | DeregisterTaskEvents();
|
---|
535 | DeregisterItemTaskEvents();
|
---|
536 | childHiveTasksLock.Dispose();
|
---|
537 | itemTaskLock.Dispose();
|
---|
538 | ClearData();
|
---|
539 | }
|
---|
540 | }
|
---|
541 |
|
---|
542 | [Item("Hive Task", "Represents a hive task.")]
|
---|
543 | [StorableClass]
|
---|
544 | public class HiveTask<T> : HiveTask where T : ItemTask {
|
---|
545 |
|
---|
546 | public new T ItemTask {
|
---|
547 | get { return (T)base.ItemTask; }
|
---|
548 | set { base.ItemTask = value; }
|
---|
549 | }
|
---|
550 |
|
---|
551 | #region Constructors and Cloning
|
---|
552 | public HiveTask() : base() { }
|
---|
553 | [StorableConstructor]
|
---|
554 | protected HiveTask(bool deserializing) { }
|
---|
555 | public HiveTask(T itemTask) : base(itemTask, true) { }
|
---|
556 | protected HiveTask(HiveTask<T> original, Cloner cloner)
|
---|
557 | : base(original, cloner) {
|
---|
558 | }
|
---|
559 | public override IDeepCloneable Clone(Cloner cloner) {
|
---|
560 | return new HiveTask<T>(this, cloner);
|
---|
561 | }
|
---|
562 | #endregion
|
---|
563 | }
|
---|
564 | } |
---|