1 | package de.ugoe.cs.autoquest.usability;
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2 |
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3 | import java.util.EnumSet;
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4 | import java.util.List;
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5 |
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6 | import lombok.AccessLevel;
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7 | import lombok.AllArgsConstructor;
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8 | import lombok.NoArgsConstructor;
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9 |
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10 | import com.google.common.base.Optional;
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11 | import com.google.common.base.Preconditions;
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12 | import com.google.common.collect.Lists;
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13 |
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14 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTree;
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15 | import de.ugoe.cs.autoquest.usability.evaluation.result.UsabilityDefect;
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16 | import de.ugoe.cs.autoquest.usability.evaluation.rule.set.UsabilityRule;
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17 | import de.ugoe.cs.autoquest.usability.evaluation.rule.set.UsabilityRuleset;
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18 |
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19 | @NoArgsConstructor(access = AccessLevel.PRIVATE)
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20 | public class UsabilityEvaluationFacade {
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21 |
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22 | public static ExecuteUsabilityEvaluationStep applyUsabilityRuleset(UsabilityRuleset usabilityRuleset) {
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23 | Preconditions.checkNotNull(usabilityRuleset);
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24 | return new ExecuteUsabilityEvaluationStep(usabilityRuleset);
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25 | }
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26 |
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27 | @AllArgsConstructor
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28 | protected static class ExecuteUsabilityEvaluationStep {
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29 |
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30 | private final UsabilityRuleset usabilityRuleset;
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31 |
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32 | public UsabilityEvaluationReport evaluateUsabilityOf(ITaskTree taskTree) {
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33 | Preconditions.checkNotNull(taskTree);
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34 | EnumSet<? extends UsabilityRule> evaluationRules = usabilityRuleset.evaluationRules();
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35 | List<UsabilityDefect> evaluationResults =
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36 | Lists.newArrayListWithCapacity(evaluationRules.size());
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37 | for(UsabilityRule usabilityRule : evaluationRules) {
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38 | Optional<UsabilityDefect> ruleEvaluationResult = usabilityRule.evaluate(taskTree);
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39 | if(ruleEvaluationResult.isPresent()) {
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40 | evaluationResults.add(ruleEvaluationResult.get());
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41 | }
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42 | }
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43 | return UsabilityEvaluationReport.from(evaluationResults);
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44 | }
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45 |
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46 | }
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47 |
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48 | }
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