1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2018 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.ComponentModel;
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24 | using System.Text;
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25 | using HeuristicLab.Collections;
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26 | using HeuristicLab.Common;
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27 | using HeuristicLab.Core;
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28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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29 |
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30 | namespace HeuristicLab.Encodings.ScheduleEncoding {
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31 | [Item("Job", "Represents a composition of tasks that require processing in a scheduling problem.")]
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32 | [StorableClass]
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33 | public sealed class Job : Item, INotifyPropertyChanged {
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34 |
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35 | [Storable(Name = "DueDate")]
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36 | private double dueDate;
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37 | public double DueDate {
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38 | get { return dueDate; }
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39 | set {
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40 | if (dueDate == value) return;
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41 | dueDate = value;
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42 | OnPropertyChanged("DueDate");
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43 | OnToStringChanged();
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44 | }
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45 | }
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46 |
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47 | [Storable(Name = "Index")]
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48 | private int index;
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49 | public int Index {
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50 | get { return index; }
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51 | set {
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52 | if (index == value) return;
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53 | index = value;
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54 | OnPropertyChanged("Index");
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55 | OnToStringChanged();
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56 | }
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57 | }
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58 |
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59 | [Storable(Name = "Tasks")]
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60 | private ItemList<Task> tasks;
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61 | public ItemList<Task> Tasks {
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62 | get { return tasks; }
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63 | private set {
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64 | tasks = value;
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65 | OnPropertyChanged("Tasks");
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66 | }
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67 | }
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68 |
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69 | [StorableConstructor]
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70 | private Job(bool deserializing) : base(deserializing) { }
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71 | private Job(Job original, Cloner cloner)
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72 | : base(original, cloner) {
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73 | this.dueDate = original.DueDate;
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74 | this.index = original.Index;
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75 | this.tasks = cloner.Clone(original.Tasks);
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76 | RegisterEventHandlers();
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77 | }
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78 | public Job() : this(-1, double.MaxValue) { }
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79 | public Job(int index, double dueDate)
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80 | : base() {
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81 | this.dueDate = dueDate;
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82 | this.index = index;
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83 | this.tasks = new ItemList<Task>();
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84 | RegisterEventHandlers();
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85 | }
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86 |
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87 | public override IDeepCloneable Clone(Cloner cloner) {
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88 | return new Job(this, cloner);
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89 | }
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90 |
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91 | [StorableHook(HookType.AfterDeserialization)]
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92 | private void AfterDeserialization() {
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93 | RegisterEventHandlers();
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94 | }
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95 |
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96 | private void RegisterEventHandlers() {
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97 | Tasks.ItemsAdded += TasksOnItemsChanged;
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98 | Tasks.ItemsRemoved += TasksOnItemsRemoved;
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99 | Tasks.ItemsReplaced += TasksOnItemsChanged;
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100 | Tasks.CollectionReset += TasksOnItemsChanged;
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101 | foreach (var task in Tasks) {
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102 | task.PropertyChanged += TaskOnPropertyChanged;
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103 | task.ToStringChanged += TaskOnToStringChanged;
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104 | }
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105 | }
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106 |
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107 | private void TasksOnItemsChanged(object sender, CollectionItemsChangedEventArgs<IndexedItem<Task>> e) {
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108 | foreach (var task in e.OldItems) {
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109 | task.Value.PropertyChanged -= TaskOnPropertyChanged;
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110 | task.Value.ToStringChanged -= TaskOnToStringChanged;
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111 | }
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112 | foreach (var task in e.Items) {
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113 | task.Value.PropertyChanged += TaskOnPropertyChanged;
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114 | task.Value.ToStringChanged += TaskOnToStringChanged;
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115 | }
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116 | OnTasksChanged();
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117 | OnToStringChanged();
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118 | }
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119 |
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120 | private void TasksOnItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<Task>> e) {
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121 | foreach (var task in e.Items) {
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122 | task.Value.PropertyChanged -= TaskOnPropertyChanged;
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123 | task.Value.ToStringChanged -= TaskOnToStringChanged;
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124 | }
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125 | OnTasksChanged();
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126 | OnToStringChanged();
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127 | }
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128 |
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129 | private void TaskOnPropertyChanged(object sender, EventArgs e) {
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130 | OnTasksChanged();
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131 | }
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132 |
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133 | private void TaskOnToStringChanged(object sender, EventArgs e) {
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134 | OnToStringChanged();
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135 | }
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136 |
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137 | public override string ToString() {
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138 | var sb = new StringBuilder();
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139 | sb.Append("Job#" + Index + " [ ");
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140 | foreach (Task t in Tasks) {
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141 | sb.Append(t + " ");
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142 | }
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143 | sb.Append("{" + DueDate + "} ");
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144 | sb.Append("]");
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145 | return sb.ToString();
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146 | }
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147 |
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148 | public event EventHandler TasksChanged;
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149 | private void OnTasksChanged() {
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150 | var handler = TasksChanged;
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151 | if (handler != null) handler(this, EventArgs.Empty);
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152 | }
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153 |
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154 | public event PropertyChangedEventHandler PropertyChanged;
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155 | private void OnPropertyChanged(string propertyName) {
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156 | var handler = PropertyChanged;
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157 | if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
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158 | }
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159 | }
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160 | }
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