1 | // Module : $RCSfile: TaskTreeManager.java,v $
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2 | // Version : $Revision: 0.0 $ $Author: Patrick $ $Date: 06.11.2011 10:14:21 $
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3 | // Project : TaskTreePerformanceTest
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4 | // Creation : 2011 by Patrick
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5 | // Copyright : Patrick Harms, 2011
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6 |
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7 | package de.ugoe.cs.quest.tasktrees.manager;
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8 |
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9 | import java.util.logging.Logger;
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10 |
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11 | import de.ugoe.cs.quest.eventcore.Event;
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12 | import de.ugoe.cs.quest.eventcore.IEventTarget;
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13 | import de.ugoe.cs.quest.eventcore.gui.KeyInteraction;
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14 | import de.ugoe.cs.quest.eventcore.gui.KeyboardFocusChange;
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15 | import de.ugoe.cs.quest.tasktrees.treeifc.IEventTask;
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16 | import de.ugoe.cs.quest.tasktrees.treeifc.ISequence;
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17 | import de.ugoe.cs.quest.tasktrees.treeifc.ITaskTree;
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18 | import de.ugoe.cs.quest.tasktrees.treeifc.ITaskTreeBuilder;
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19 | import de.ugoe.cs.quest.tasktrees.treeifc.ITaskTreeNode;
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20 | import de.ugoe.cs.quest.tasktrees.treeifc.ITaskTreeNodeFactory;
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21 |
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22 | /**
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23 | * TODO comment
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24 | *
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25 | * @version $Revision: $ $Date: $
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26 | * @author 2011, last modified by $Author: $
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27 | */
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28 | public class TaskTreeManager {
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29 |
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30 | /** */
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31 | private static final int MAX_EVENTS_TILL_RULE_APPLICATION = 100;
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32 |
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33 | /** */
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34 | private static Logger LOG = Logger.getLogger(TaskTreeManager.class.getName());
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35 |
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36 | /** */
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37 | private ITaskTreeBuilder taskTreeBuilder = ComponentManager.getDefaultTaskTreeBuilder();
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38 |
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39 | /** */
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40 | private ITaskTreeNodeFactory taskTreeNodeFactory =
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41 | ComponentManager.getDefaultTaskTreeNodeFactory();
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42 |
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43 | /** */
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44 | private int eventsTillRuleApplication = MAX_EVENTS_TILL_RULE_APPLICATION;
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45 |
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46 | /** */
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47 | private ISequence rootSequence;
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48 |
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49 | /** */
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50 | private IEventTarget currentKeyboardFocusGUIElement;
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51 |
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52 | /**
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53 | * TODO: comment
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54 | *
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55 | */
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56 | public TaskTreeManager() {
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57 | rootSequence = taskTreeNodeFactory.createNewSequence();
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58 | }
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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 | public void handleNewEvent(Event event) {
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64 | if (event.getType() instanceof KeyInteraction) {
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65 | if (currentKeyboardFocusGUIElement == null) {
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66 | currentKeyboardFocusGUIElement = event.getTarget();
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67 | }
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68 |
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69 | addEventTask
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70 | (taskTreeNodeFactory.createNewEventTask
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71 | (event.getType(), currentKeyboardFocusGUIElement));
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72 | }
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73 | else {
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74 | addEventTask
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75 | (taskTreeNodeFactory.createNewEventTask(event.getType(), event.getTarget()));
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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 | *
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81 | */
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82 | public synchronized ITaskTree getTaskTree() {
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83 | LOG.info("applying rules temporal relationship generation rules");
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84 |
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85 | ISequence currentRootSequence = rootSequence.clone();
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86 | ComponentManager.getTemporalRelationshipRuleManager().applyRules
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87 | (currentRootSequence, taskTreeBuilder, taskTreeNodeFactory, true);
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88 |
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89 | return taskTreeNodeFactory.createTaskTree(currentRootSequence);
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90 | }
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91 |
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92 | /**
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93 | * @param task
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94 | */
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95 | private synchronized void addEventTask(IEventTask task) {
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96 | handleEventTask(task);
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97 | }
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98 |
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99 | /**
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100 | * adds the task to the current or the new sequence. The decision depends on the type of task.
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101 | * If the task finishes the current sequence, the sequence is marked as finished If the task
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102 | * does not start a new sequence, it is added to the current sequence, before it is marked s
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103 | * finished. Otherwise it is added to a new sequence.
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104 | */
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105 | private void handleEventTask(IEventTask eventTask) {
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106 | if (eventTask.getEventType() instanceof KeyboardFocusChange) {
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107 | currentKeyboardFocusGUIElement = eventTask.getEventTarget();
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108 | }
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109 | else {
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110 | LOG.info("handling event task \"" + eventTask + "\"");
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111 | addTaskToSequence(eventTask, currentKeyboardFocusGUIElement);
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112 | }
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113 | }
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114 |
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115 | /**
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116 | *
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117 | */
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118 | private void addTaskToSequence(ITaskTreeNode task, IEventTarget currentKeyboardFocusGUIElement)
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119 | {
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120 | taskTreeBuilder.addChild(rootSequence, task);
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121 |
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122 | if (--eventsTillRuleApplication == 0) {
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123 | eventsTillRuleApplication = MAX_EVENTS_TILL_RULE_APPLICATION;
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124 |
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125 | LOG.info("applying rules temporal relationship generation rules");
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126 | ComponentManager.getTemporalRelationshipRuleManager().applyRules(rootSequence,
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127 | taskTreeBuilder,
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128 | taskTreeNodeFactory,
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129 | false);
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130 | }
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131 | }
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132 |
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133 | }
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