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.plugin.usability2.rules.patterns;
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16 |
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17 | import java.util.Collection;
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18 | import java.util.Collections;
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19 | import java.util.Comparator;
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20 | import java.util.HashMap;
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21 | import java.util.LinkedList;
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22 | import java.util.List;
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23 | import java.util.Map;
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24 |
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25 | import com.google.common.base.Optional;
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26 |
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27 | import de.ugoe.cs.autoquest.eventcore.Event;
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28 | import de.ugoe.cs.autoquest.eventcore.IEventTarget;
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29 | import de.ugoe.cs.autoquest.eventcore.IEventType;
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30 | import de.ugoe.cs.autoquest.eventcore.gui.MouseClick;
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31 | import de.ugoe.cs.autoquest.eventcore.gui.Scroll;
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32 | import de.ugoe.cs.autoquest.usability.EvaluationMethodCaller;
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33 | import de.ugoe.cs.autoquest.usability.result.UsabilityProblemDescription;
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34 | import de.ugoe.cs.autoquest.usability.result.UsabilityProblemDescriptionResolver;
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35 | import de.ugoe.cs.autoquest.usability.rules.UsabilityRule;
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36 | import de.ugoe.cs.autoquest.usability.rules.UsabilityUsageProblem;
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37 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskModel;
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38 |
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39 | /**
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40 | * <p>
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41 | * Test Rule to see if new pattern method may be used for problem checking
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42 | * </p>
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43 | *
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44 | * @author Konni Hartmann
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45 | */
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46 | public class SessionPatternProblem extends UsabilityRule implements UsabilityUsageProblem {
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47 |
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48 | private final Collection<List<Event>> sessions;
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49 |
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50 | /**
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51 | * <p>
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52 | * TODO: comment
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53 | * </p>
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54 | *
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55 | * @param taskTree
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56 | */
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57 | public SessionPatternProblem(ITaskModel taskModel, Collection<List<Event>> sessions) {
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58 | super(taskModel);
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59 | this.sessions = sessions;
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60 | this.name = "PatternProblem";
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61 | this.defect =
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62 | new UsabilityProblemDescriptionResolver().descriptionFor("PatternProblem");
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63 | initUsagePattern();
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64 | }
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65 |
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66 | /**
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67 | * <p>
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68 | * TODO: comment
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69 | * </p>
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70 | *
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71 | */
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72 | private void initUsagePattern() {
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73 | }
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74 |
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75 | private class Statistics implements Comparable<Statistics> {
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76 |
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77 | private IEventTarget target;
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78 | private int match;
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79 | private int all;
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80 |
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81 | public Statistics(IEventTarget target) {
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82 | this.target = target;
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83 | }
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84 |
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85 | int matchCount() {
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86 | return match;
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87 | }
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88 |
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89 | int allCount() {
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90 | return all;
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91 | }
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92 |
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93 | float percent() {
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94 | return ((float) matchCount()) / allCount();
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95 | }
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96 |
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97 | @Override
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98 | public int compareTo(Statistics o) {
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99 | float thisPcnt = percent();
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100 | float otherPcnt = o.percent();
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101 |
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102 | if (thisPcnt < otherPcnt)
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103 | return -1;
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104 | if (thisPcnt > otherPcnt)
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105 | return 1;
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106 | return 0;
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107 | }
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108 |
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109 | @Override
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110 | public String toString() {
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111 | StringBuilder str = new StringBuilder();
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112 |
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113 | str.append(target.getStringIdentifier());
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114 | str.append(" (").append(percent()).append(')');
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115 |
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116 | return str.toString();
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117 | }
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118 |
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119 | public void increaseCount() {
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120 | this.all++;
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121 | }
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122 |
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123 | public void increaseMatchCount() {
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124 | this.match++;
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125 | }
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126 | }
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127 |
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128 | /*
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129 | * (non-Javadoc)
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130 | *
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131 | * @see de.ugoe.cs.autoquest.usability.rules.UsabilityRule#check()
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132 | */
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133 | @Override
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134 | public Optional<UsabilityProblemDescription> check() {
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135 | Optional<UsabilityProblemDescription> present = Optional.absent();
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136 |
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137 | System.out.println("--");
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138 | System.out.println("PP:");
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139 |
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140 | Map<IEventTarget, Statistics> results = new HashMap<IEventTarget, Statistics>();
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141 |
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142 | int cnt = 0, click=0, scroll=0;
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143 |
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144 | for (List<Event> events : this.sessions) {
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145 | IEventType last = null;
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146 |
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147 | for (Event event : events) {
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148 | IEventType type = event.getType();
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149 |
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150 | if (type instanceof MouseClick) {
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151 | click++;
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152 | IEventTarget target = event.getTarget();
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153 |
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154 | Statistics statistics = results.get(target);
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155 | if (statistics == null) {
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156 | statistics = new Statistics(target);
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157 | results.put(target, statistics);
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158 | }
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159 |
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160 | statistics.increaseCount();
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161 |
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162 | if(last != null && last instanceof Scroll) {
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163 | scroll++;
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164 | statistics.increaseMatchCount();
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165 | }
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166 | }
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167 |
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168 | last = type;
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169 | cnt++;
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170 | }
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171 | }
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172 | System.out.printf("Analyzed %d events with %d clicks and %d scrolls before clicks.\n", cnt, click, scroll);
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173 |
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174 | analyzeResults(results);
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175 |
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176 | /*
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177 | * System.out.println("PATTERN2:"); for (ITask task : tasks) { IResult result =
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178 | * this.pattern2.match(task);
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179 | *
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180 | * result = this.pattern2.match(task);
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181 | *
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182 | * if (result.isPresent()) { present = Optional.of(this.defect);
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183 | * System.out.printf("2: %s, %s, %d\n", task.getId(), task.getDescription(), task
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184 | * .getInstances().size()); } }
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185 | */
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186 |
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187 | System.out.println("Finished Pattern analysis");
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188 | return present;
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189 | }
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190 |
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191 | private void analyzeResults(Map<IEventTarget, Statistics> results) {
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192 |
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193 | List<Statistics> pcnt95 = new LinkedList<Statistics>();
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194 | List<Statistics> pcnt75 = new LinkedList<Statistics>();
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195 | List<Statistics> pcnt50 = new LinkedList<Statistics>();
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196 | List<Statistics> pcnt25 = new LinkedList<Statistics>();
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197 | List<Statistics> pcnt05 = new LinkedList<Statistics>();
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198 |
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199 | for (Statistics s : results.values()) {
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200 | float percent = s.percent();
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201 |
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202 | if (percent >= 0.95)
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203 | pcnt95.add(s);
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204 | else if (percent >= 0.75)
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205 | pcnt75.add(s);
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206 | else if (percent >= 0.50)
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207 | pcnt50.add(s);
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208 | else if (percent >= 0.25)
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209 | pcnt25.add(s);
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210 | else if (percent >= 0.05)
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211 | pcnt05.add(s);
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212 | }
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213 |
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214 | Comparator<Statistics> reverse = new Comparator<Statistics>() {
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215 | @Override
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216 | public int compare(Statistics o1, Statistics o2) {
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217 | return o2.matchCount() - o1.matchCount();
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218 | }
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219 | };
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220 |
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221 | Collections.sort(pcnt95, reverse);
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222 | Collections.sort(pcnt75, reverse);
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223 | Collections.sort(pcnt50, reverse);
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224 | Collections.sort(pcnt25, reverse);
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225 | Collections.sort(pcnt05, reverse);
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226 |
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227 | printFirstN(pcnt95, 3, 0.95);
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228 | printFirstN(pcnt75, 3, 0.75);
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229 | printFirstN(pcnt50, 3, 0.50);
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230 | printFirstN(pcnt25, 3, 0.25);
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231 | printFirstN(pcnt05, 3, 0.05);
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232 | }
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233 |
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234 | private void printFirstN(List<Statistics> list, int i, double margin) {
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235 | if (!list.isEmpty()) {
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236 | System.out.printf(">= %f :\n", margin);
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237 | for (int j = 0; j < list.size() && j < i; j++) {
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238 | Statistics s = list.get(j);
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239 | System.out.printf("%d [%d]: %s\n", j + 1, s.matchCount(), s);
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240 | }
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241 | if (list.size() >= i) {
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242 | Statistics s = list.get(list.size() - 1);
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243 | System.out.printf("%d [%d]: %s\n", list.size() - 1, s.matchCount(), s);
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244 | }
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245 | }
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246 | }
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247 |
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248 | /*
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249 | * (non-Javadoc)
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250 | *
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251 | * @see
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252 | * de.ugoe.cs.autoquest.usability.rules.UsabilityRule#callEvaluationMetho(de.ugoe.cs.autoquest
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253 | * .usability.EvaluationMethodCaller)
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254 | */
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255 | @Override
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256 | public Optional<UsabilityProblemDescription> callEvaluationMethod(EvaluationMethodCaller evaluationMethodCaller)
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257 | {
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258 | return evaluationMethodCaller.check(this);
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259 | }
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260 | }
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