1 | package de.ugoe.cs.quest.tasktrees.manager;
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2 |
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3 | import java.util.logging.Level;
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4 |
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5 | import de.ugoe.cs.quest.eventcore.Event;
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6 | import de.ugoe.cs.quest.eventcore.gui.KeyboardFocusChange;
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7 | import de.ugoe.cs.quest.tasktrees.treeifc.IEventTask;
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8 | import de.ugoe.cs.quest.tasktrees.treeifc.ISequence;
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9 | import de.ugoe.cs.quest.tasktrees.treeifc.ITaskTree;
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10 | import de.ugoe.cs.quest.tasktrees.treeifc.ITaskTreeBuilder;
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11 | import de.ugoe.cs.quest.tasktrees.treeifc.ITaskTreeNode;
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12 | import de.ugoe.cs.quest.tasktrees.treeifc.ITaskTreeNodeFactory;
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13 | import de.ugoe.cs.util.console.Console;
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14 |
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15 | /**
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16 | * TODO comment
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17 | *
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18 | * @version $Revision: $ $Date: $
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19 | * @author 2011, last modified by $Author: $
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20 | */
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21 | public class TaskTreeManager {
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22 |
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23 | /** */
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24 | private static final int MAX_EVENTS_TILL_RULE_APPLICATION = 100;
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25 |
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26 | /** */
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27 | private ITaskTreeBuilder taskTreeBuilder = ComponentManager.getDefaultTaskTreeBuilder();
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28 |
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29 | /** */
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30 | private ITaskTreeNodeFactory taskTreeNodeFactory =
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31 | ComponentManager.getDefaultTaskTreeNodeFactory();
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32 |
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33 | /** */
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34 | private int eventsTillRuleApplication = MAX_EVENTS_TILL_RULE_APPLICATION;
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35 |
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36 | /** */
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37 | private ISequence rootSequence;
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38 |
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39 | /**
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40 | * TODO: comment
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41 | *
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42 | */
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43 | public TaskTreeManager() {
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44 | rootSequence = taskTreeNodeFactory.createNewSequence();
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45 | }
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46 |
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47 | /**
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48 | *
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49 | */
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50 | public void handleNewEvent(Event event) {
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51 | handleEventTask(taskTreeNodeFactory.createNewEventTask(event.getType(), event.getTarget()));
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52 | }
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53 |
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54 | /**
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55 | *
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56 | */
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57 | public synchronized ITaskTree getTaskTree() {
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58 | Console.traceln(Level.INFO, "applying temporal relationship generation rules");
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59 |
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60 | ISequence currentRootSequence = rootSequence.clone();
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61 | ComponentManager.getTemporalRelationshipRuleManager().applyRules
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62 | (currentRootSequence, taskTreeBuilder, taskTreeNodeFactory, true);
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63 |
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64 | return taskTreeNodeFactory.createTaskTree(currentRootSequence);
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65 | }
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66 |
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67 | /**
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68 | * adds the task to the current or the new sequence. The decision depends on the type of task.
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69 | * If the task finishes the current sequence, the sequence is marked as finished If the task
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70 | * does not start a new sequence, it is added to the current sequence, before it is marked s
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71 | * finished. Otherwise it is added to a new sequence.
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72 | */
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73 | private synchronized void handleEventTask(IEventTask eventTask) {
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74 | if (!(eventTask.getEventType() instanceof KeyboardFocusChange)) {
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75 | Console.traceln(Level.INFO, "handling interaction event task \"" + eventTask + "\"");
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76 | addTaskToSequence(eventTask);
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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 | */
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83 | private void addTaskToSequence(ITaskTreeNode task)
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84 | {
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85 | taskTreeBuilder.addChild(rootSequence, task);
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86 |
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87 | if (--eventsTillRuleApplication == 0) {
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88 | eventsTillRuleApplication = MAX_EVENTS_TILL_RULE_APPLICATION;
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89 |
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90 | Console.traceln(Level.INFO, "applying temporal relationship generation rules");
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91 | ComponentManager.getTemporalRelationshipRuleManager().applyRules(rootSequence,
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92 | taskTreeBuilder,
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93 | taskTreeNodeFactory,
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94 | false);
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95 | }
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96 | }
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97 |
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98 | }
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