1 |
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2 | package de.ugoe.cs.autoquest.usability.tasktree.filter;
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3 |
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4 | import com.google.common.base.Preconditions;
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5 |
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6 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTree;
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7 |
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8 | public class TaskTreeFilter {
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9 |
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10 | private final TaskTreeFilterStrategy taskTreeFilterStrategy;
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11 |
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12 | public TaskTreeFilter(TaskTreeFilterStrategy treeTraversalStrategy) {
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13 | Preconditions.checkNotNull(treeTraversalStrategy);
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14 | this.taskTreeFilterStrategy = treeTraversalStrategy;
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15 | }
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16 |
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17 | public FilterEventTargetStep filterByEventTarget(EventTargetFilter eventTarget) {
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18 | return new FilterEventTargetStep(eventTarget);
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19 | }
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20 |
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21 | public FilterEventTypeStep filterByEventType(EventTypeFilter eventType) {
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22 | return new FilterEventTypeStep(eventType);
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23 | }
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24 |
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25 | public class FilterEventTargetStep {
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26 |
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27 | private final EventTargetFilter eventTarget;
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28 |
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29 | public FilterEventTargetStep(EventTargetFilter eventTarget) {
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30 | this.eventTarget = eventTarget;
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31 | }
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32 |
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33 | public FilterStatistic from(ITaskTree taskTree) {
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34 | return taskTreeFilterStrategy.filter(taskTree, eventTarget);
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35 | }
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36 |
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37 | }
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38 |
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39 | public class FilterEventTypeStep {
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40 |
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41 | private final EventTypeFilter eventType;
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42 |
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43 | public FilterEventTypeStep(EventTypeFilter eventType) {
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44 | this.eventType = eventType;
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45 | }
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46 |
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47 | public FilterStatistic from(ITaskTree taskTree) {
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48 | return taskTreeFilterStrategy.filter(taskTree, eventType);
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49 | }
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50 |
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51 | }
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52 | }
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