1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany
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2 | //
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3 | // Licensed under the Apache License, Version 2.0 (the "License");
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4 | // you may not use this file except in compliance with the License.
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5 | // You may obtain a copy of the License at
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6 | //
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7 | // http://www.apache.org/licenses/LICENSE-2.0
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8 | //
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9 | // Unless required by applicable law or agreed to in writing, software
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10 | // distributed under the License is distributed on an "AS IS" BASIS,
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 | // See the License for the specific language governing permissions and
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13 | // limitations under the License.
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14 |
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15 | package de.ugoe.cs.autoquest.usability.tasktree.filter;
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16 |
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17 | import com.google.common.base.Preconditions;
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18 |
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19 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTree;
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20 |
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21 | /**
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22 | * <p>
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23 | * TODO comment
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24 | * </p>
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25 | *
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26 | * @author Alexander Deicke
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27 | */
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28 | public class TaskTreeFilter {
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29 |
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30 | private final TaskTreeFilterStrategy taskTreeFilterStrategy;
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31 |
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32 | public TaskTreeFilter(TaskTreeFilterStrategy treeTraversalStrategy) {
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33 | Preconditions.checkNotNull(treeTraversalStrategy);
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34 | this.taskTreeFilterStrategy = treeTraversalStrategy;
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35 | }
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36 |
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37 | public FilterEventTargetStep filterByEventTarget(EventTargetFilter eventTarget) {
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38 | return new FilterEventTargetStep(eventTarget);
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39 | }
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40 |
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41 | public FilterEventTypeStep filterByEventType(EventTypeFilter eventType) {
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42 | return new FilterEventTypeStep(eventType);
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43 | }
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44 |
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45 | public FilterNodeTypeStep filterByNodeType(TaskTreeNodeTypeFilter nodeType) {
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46 | return new FilterNodeTypeStep(nodeType);
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47 | }
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48 |
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49 | public class FilterEventTargetStep {
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50 |
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51 | private final EventTargetFilter eventTarget;
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52 |
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53 | public FilterEventTargetStep(EventTargetFilter eventTarget) {
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54 | this.eventTarget = eventTarget;
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55 | }
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56 |
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57 | public FilterStatistic from(ITaskTree taskTree) {
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58 | return taskTreeFilterStrategy.filter(taskTree, eventTarget);
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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 class FilterEventTypeStep {
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64 |
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65 | private final EventTypeFilter eventType;
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66 |
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67 | public FilterEventTypeStep(EventTypeFilter eventType) {
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68 | this.eventType = eventType;
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69 | }
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70 |
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71 | public FilterStatistic from(ITaskTree taskTree) {
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72 | return taskTreeFilterStrategy.filter(taskTree, eventType);
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73 | }
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74 |
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75 | }
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76 |
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77 | public class FilterNodeTypeStep {
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78 |
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79 | private final TaskTreeNodeTypeFilter nodeType;
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80 |
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81 | public FilterNodeTypeStep(TaskTreeNodeTypeFilter nodeType) {
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82 | this.nodeType = nodeType;
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83 | }
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84 |
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85 | public FilterStatistic from(ITaskTree taskTree) {
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86 | return taskTreeFilterStrategy.filter(taskTree, nodeType);
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87 | }
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88 |
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89 | }
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90 | }
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