1 | |
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2 | package de.ugoe.cs.autoquest.plugin.usability2.rules.metrics.visitor; |
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3 | |
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4 | import java.util.Iterator; |
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5 | |
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6 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IEventTaskInstance; |
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7 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IIterationInstance; |
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8 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IOptionalInstance; |
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9 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ISelectionInstance; |
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10 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ISequenceInstance; |
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11 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskInstance; |
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12 | |
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13 | public abstract class AbstractVisitor implements IInstanceVisitor { |
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14 | |
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15 | @Override |
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16 | public void visit(ITaskInstance instance) { |
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17 | if (instance instanceof IEventTaskInstance) { |
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18 | traverse((IEventTaskInstance) instance); |
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19 | } |
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20 | else if (instance instanceof IIterationInstance) { |
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21 | traverse((IIterationInstance) instance); |
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22 | } |
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23 | else if (instance instanceof IOptionalInstance) { |
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24 | traverse((IOptionalInstance) instance); |
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25 | } |
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26 | else if (instance instanceof ISelectionInstance) { |
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27 | traverse((ISelectionInstance) instance); |
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28 | } |
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29 | else if (instance instanceof ISequenceInstance) { |
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30 | traverse((ISequenceInstance) instance); |
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31 | } |
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32 | |
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33 | } |
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34 | |
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35 | private void iterate(Iterator<ITaskInstance> iterator) { |
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36 | while (iterator.hasNext()) { |
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37 | visit(iterator.next()); |
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38 | } |
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39 | } |
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40 | |
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41 | private void traverse(ISequenceInstance instance) { |
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42 | visit(instance); |
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43 | iterate(instance.iterator()); |
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44 | } |
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45 | |
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46 | private void traverse(ISelectionInstance instance) { |
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47 | visit(instance); |
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48 | } |
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49 | |
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50 | private void traverse(IOptionalInstance instance) { |
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51 | visit(instance); |
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52 | |
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53 | } |
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54 | |
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55 | private void traverse(IIterationInstance instance) { |
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56 | visit(instance); |
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57 | iterate(instance.iterator()); |
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58 | } |
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59 | |
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60 | private void traverse(IEventTaskInstance instance) { |
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61 | visit(instance); |
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62 | } |
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63 | |
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64 | @Override |
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65 | public void visit(IEventTaskInstance instance) {} |
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66 | |
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67 | @Override |
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68 | public void visit(IIterationInstance instance) {} |
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69 | |
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70 | @Override |
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71 | public void visit(IOptionalInstance instance) {} |
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72 | |
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73 | @Override |
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74 | public void visit(ISelectionInstance instance) {} |
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75 | |
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76 | @Override |
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77 | public void visit(ISequenceInstance instance) {} |
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78 | } |
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