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.uml;
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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.Iterator;
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22 | import java.util.LinkedHashMap;
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23 | import java.util.LinkedList;
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24 | import java.util.List;
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25 | import java.util.Map;
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26 | import java.util.Map.Entry;
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27 |
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28 | import org.eclipse.emf.common.util.EList;
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29 | import org.eclipse.uml2.uml.Activity;
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30 | import org.eclipse.uml2.uml.ActivityEdge;
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31 | import org.eclipse.uml2.uml.ActivityNode;
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32 | import org.eclipse.uml2.uml.BehaviorExecutionSpecification;
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33 | import org.eclipse.uml2.uml.CallOperationAction;
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34 | import org.eclipse.uml2.uml.Comment;
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35 | import org.eclipse.uml2.uml.Component;
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36 | import org.eclipse.uml2.uml.Connector;
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37 | import org.eclipse.uml2.uml.ConnectorEnd;
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38 | import org.eclipse.uml2.uml.Element;
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39 | import org.eclipse.uml2.uml.Interaction;
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40 | import org.eclipse.uml2.uml.InteractionFragment;
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41 | import org.eclipse.uml2.uml.Interface;
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42 | import org.eclipse.uml2.uml.Lifeline;
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43 | import org.eclipse.uml2.uml.Message;
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44 | import org.eclipse.uml2.uml.MessageOccurrenceSpecification;
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45 | import org.eclipse.uml2.uml.MessageSort;
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46 | import org.eclipse.uml2.uml.Model;
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47 | import org.eclipse.uml2.uml.Operation;
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48 | import org.eclipse.uml2.uml.Package;
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49 | import org.eclipse.uml2.uml.Port;
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50 | import org.eclipse.uml2.uml.Profile;
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51 | import org.eclipse.uml2.uml.Property;
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52 | import org.eclipse.uml2.uml.Region;
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53 | import org.eclipse.uml2.uml.StateMachine;
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54 | import org.eclipse.uml2.uml.Stereotype;
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55 | import org.eclipse.uml2.uml.Transition;
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56 | import org.eclipse.uml2.uml.UMLPackage;
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57 | import org.eclipse.uml2.uml.Vertex;
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58 |
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59 | import de.ugoe.cs.autoquest.eventcore.Event;
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60 | import de.ugoe.cs.autoquest.plugin.http.eventcore.SOAPEventType;
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61 | import de.ugoe.cs.autoquest.plugin.http.eventcore.SimpleSOAPEventType;
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62 | import de.ugoe.cs.autoquest.plugin.uml.eventcore.UMLTransitionType;
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63 | import de.ugoe.cs.autoquest.usageprofiles.IStochasticProcess;
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64 |
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65 | /**
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66 | * <p>
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67 | * Utilities for working with UML.
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68 | * </p>
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69 | *
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70 | * @author Steffen Herbold
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71 | */
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72 | public class UMLUtils {
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73 |
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74 | /**
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75 | * <p>
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76 | * Creates a sequence of events with {@link UMLTransitionType} as event type from a given
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77 | * sequence of events with the {@link SOAPEventType}, by matching the sequences to a state
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78 | * machine.
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79 | * </p>
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80 | *
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81 | * @param sequence
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82 | * SOAP sequences
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83 | * @param stateMachine
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84 | * the state machine
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85 | * @return create UML sequences
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86 | */
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87 | public static List<Event> createUMLTransitionSequence(List<Event> sequence,
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88 | StateMachine stateMachine)
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89 | {
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90 | List<List<Transition>> matchingSequences =
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91 | determineMatchingTransitionSequences(sequence, stateMachine);
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92 |
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93 | if (matchingSequences.size() != 1) {
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94 | throw new RuntimeException("no unique match found; " + matchingSequences.size() +
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95 | " matches");
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96 | }
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97 | List<Event> umlEventSequence = new LinkedList<>();
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98 | for (Transition transition : matchingSequences.get(0)) {
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99 | umlEventSequence.add(new Event(new UMLTransitionType(transition)));
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100 | }
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101 | return umlEventSequence;
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102 | }
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103 |
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104 | /**
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105 | * <p>
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106 | * Uses a sequences of events with the {@link UMLTransitionType} to determine the transition
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107 | * probabilities for the state machine.
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108 | * </p>
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109 | *
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110 | * @param sequences
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111 | * UML sequences
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112 | * @param stateMachine
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113 | * state machine to be converted to a usage profile
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114 | */
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115 | public static void convertStateMachineToUsageProfile(Collection<List<Event>> sequences,
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116 | StateMachine stateMachine)
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117 | {
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118 | // create state->outgoings hashmap
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119 | Map<Vertex, Map<Transition, Integer>> stateMap = new HashMap<>();
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120 | for (Region region : stateMachine.getRegions()) {
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121 | for (Vertex state : region.getSubvertices()) {
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122 | stateMap.put(state, new HashMap<Transition, Integer>());
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123 | }
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124 | }
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125 |
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126 | // create counters for each transition
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127 | for (List<Event> sequence : sequences) {
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128 | for (Event event : sequence) {
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129 | if (event.getType() instanceof UMLTransitionType) {
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130 | Transition transition = ((UMLTransitionType) event.getType()).getTransition();
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131 | Map<Transition, Integer> transitionMap = stateMap.get(transition.getSource());
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132 | Integer value = transitionMap.get(transition);
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133 | if (value == null) {
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134 | value = 0;
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135 | }
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136 | transitionMap.put(transition, value + 1);
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137 | }
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138 | else {
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139 | throw new RuntimeException(
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140 | "Wrong event type. Only UMLTransitionType supported but was: " +
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141 | event.getType().getClass().getName());
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142 | }
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143 | }
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144 | }
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145 |
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146 | // calculate probabilities
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147 | for (Region region : stateMachine.getRegions()) {
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148 | for (Vertex state : region.getSubvertices()) {
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149 | Map<Transition, Integer> transitionMap = stateMap.get(state);
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150 | int totalCount = 0;
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151 | for (Entry<Transition, Integer> entry : transitionMap.entrySet()) {
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152 | totalCount += entry.getValue();
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153 | }
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154 | if (totalCount != 0) {
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155 | for (Transition transition : state.getOutgoings()) {
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156 | double prob = 0.0d;
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157 | if (transitionMap.containsKey(transition)) {
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158 | prob = ((double) transitionMap.get(transition)) / totalCount;
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159 | }
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160 | Comment comment = transition.createOwnedComment();
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161 | comment.setBody("" + prob);
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162 | }
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163 | }
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164 | else {
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165 | // system has never been in this state, all transitions equally likely
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166 | int numOutgoings = state.getOutgoings().size();
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167 | for (Transition transition : state.getOutgoings()) {
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168 | Comment comment = transition.createOwnedComment();
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169 | comment.setBody("" + (1.0d / numOutgoings));
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170 | }
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171 | }
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172 | }
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173 | }
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174 | }
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175 |
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176 | /**
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177 | * <p>
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178 | * Determines all matching {@link Transition} sequences in a state machine for a given sequence
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179 | * of SOAP events.
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180 | * </p>
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181 | *
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182 | * @param sequence
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183 | * SOAP sequence
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184 | * @param stateMachine
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185 | * the state machine
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186 | * @return all matching {@link Transition} sequences
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187 | */
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188 | public static List<List<Transition>> determineMatchingTransitionSequences(List<Event> sequence,
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189 | StateMachine stateMachine)
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190 | {
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191 | EList<Region> regions = stateMachine.getRegions();
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192 | EList<Vertex> states = null;
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193 | for (Region region : regions) {
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194 | if (states == null) {
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195 | states = region.getSubvertices();
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196 | }
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197 | else {
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198 | states.addAll(region.getSubvertices());
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199 | }
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200 | }
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201 | List<Transition> allTransitions = new LinkedList<>();
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202 | for (Vertex state : states) {
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203 | allTransitions.addAll(state.getOutgoings());
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204 | }
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205 |
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206 | List<List<Transition>> matchingSequences = null;
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207 | List<Transition> currentTransitions = null;
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208 |
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209 | // first, we try to find a single unique transition that we can match using the method name
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210 | for (Iterator<Event> eventIterator = sequence.iterator(); eventIterator.hasNext();) {
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211 | Event event = eventIterator.next();
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212 | if (event.getType() instanceof SOAPEventType) {
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213 | SOAPEventType eventType = (SOAPEventType) event.getType();
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214 | if (matchingSequences == null) {
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215 | matchingSequences = new LinkedList<>();
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216 | List<Transition> initialMatches = matchTransitions(allTransitions, eventType);
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217 | for (Transition transition : initialMatches) {
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218 | List<Transition> candidate = new LinkedList<>();
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219 | candidate.add(transition);
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220 | matchingSequences.add(candidate);
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221 | }
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222 | currentTransitions = initialMatches;
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223 | }
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224 | else {
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225 | List<List<Transition>> nextMatchingSequences = new LinkedList<>();
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226 | List<Transition> nextCurrentTransitions = new LinkedList<>();
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227 | Iterator<Transition> currentTransitionIterator = currentTransitions.iterator();
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228 | Iterator<List<Transition>> currentMatchingSequencesIterator =
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229 | matchingSequences.iterator();
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230 | while (currentTransitionIterator.hasNext()) {
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231 | Transition currentTransition = currentTransitionIterator.next();
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232 | List<Transition> currentMatch = currentMatchingSequencesIterator.next();
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233 |
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234 | List<Transition> matches =
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235 | matchTransitions(currentTransition.getTarget().getOutgoings(),
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236 | eventType);
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237 | if (matches.isEmpty()) {
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238 | throw new RuntimeException("no matches found");
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239 | }
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240 | for (Transition matchingTransition : matches) {
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241 | List<Transition> candidate = new LinkedList<>(currentMatch);
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242 | candidate.add(matchingTransition);
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243 | nextMatchingSequences.add(candidate);
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244 | nextCurrentTransitions.add(matchingTransition);
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245 | }
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246 | }
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247 | matchingSequences = nextMatchingSequences;
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248 | currentTransitions = nextCurrentTransitions;
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249 | }
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250 | }
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251 | else {
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252 | throw new RuntimeException(
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253 | "Wrong event type. Only UMLTransitionType supported but was: " +
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254 | event.getType().getClass().getName());
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255 | }
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256 | }
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257 | return matchingSequences;
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258 | }
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259 |
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260 | /**
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261 | * <p>
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262 | * Extends a given model with an interaction that represents an observed sequence.
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263 | * </p>
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264 | *
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265 | * @param sequence
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266 | * sequence that is added as sequence diagram
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267 | * @param model
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268 | * UML model to which the interaction is added
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269 | * @param interactionName
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270 | * name of the interaction
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271 | * @param testContextName
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272 | * Name of the test context that should be used. If this value is null, the first test context found is used.
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273 | */
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274 | public static void createInteractionFromEventSequence(List<Event> sequence,
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275 | Model model,
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276 | String interactionName,
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277 | String testContextName)
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278 | {
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279 | final Profile utpProfile = model.getAppliedProfile("utp");
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280 | final Stereotype utpTestCase = (Stereotype) utpProfile.getOwnedMember("TestCase");
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281 | final Stereotype utpTestComponent = (Stereotype) utpProfile.getOwnedMember("TestComponent");
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282 | final Stereotype utpSUT = (Stereotype) utpProfile.getOwnedMember("SUT");
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283 | final Stereotype utpTestContext = (Stereotype) utpProfile.getOwnedMember("TestContext");
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284 |
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285 | Component testContext = fetchTestContext(model, utpTestContext, testContextName);
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286 | if( testContext==null ) {
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287 | throw new RuntimeException("Could not find any test context in the model");
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288 | }
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289 |
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290 | Operation operation = testContext.createOwnedOperation(interactionName, null, null);
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291 | operation.applyStereotype(utpTestCase);
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292 |
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293 | Interaction interaction =
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294 | (Interaction) testContext.createPackagedElement(interactionName + "_Impl",
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295 | UMLPackage.Literals.INTERACTION);
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296 | operation.getMethods().add(interaction);
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297 |
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298 | // create lifelines
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299 | Lifeline userLifeline = null;
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300 | // List<Port> userPorts = new LinkedList<>();
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301 | for (Property property : testContext.getAllAttributes()) {
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302 | if (property.getAppliedStereotypes().contains(utpSUT)) {
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303 | String serviceName = property.getName();
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304 | Lifeline targetLifeline = interaction.createLifeline(serviceName);
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305 | targetLifeline.setRepresents(property);
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306 | }
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307 | else if (property.getType().getAppliedStereotypes().contains(utpTestComponent)) {
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308 | userLifeline = interaction.createLifeline(property.getName());
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309 | userLifeline.setRepresents(property);
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310 | }
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311 | }
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312 |
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313 | // TODO sanity checks for userLifeline!=null, etc.
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314 |
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315 | int i = 0;
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316 | for (Event event : sequence) {
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317 | if (!(event.equals(Event.STARTEVENT) || event.equals(Event.ENDEVENT))) {
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318 | String serviceName = getServiceNameFromEvent(event);
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319 | String methodName = getCalledMethodFromEvent(event);
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320 | // determine lifelines
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321 | Lifeline msgTargetLifeline;
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322 | Lifeline msgSourceLifeline;
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323 |
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324 | if( serviceName.equals(userLifeline.getName()) ) {
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325 | // message being send to user
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326 | // currently we just select the first lifeline that is not the user
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327 | // this, obviously, has to be replaced with the real service.
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328 | // however, identification of the source of a message is still an open issue
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329 | msgSourceLifeline = null;
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330 | for( Lifeline lifeline : interaction.getLifelines() ) {
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331 | if(!lifeline.equals(userLifeline)){
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332 | msgSourceLifeline = lifeline;
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333 | break;
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334 | }
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335 | }
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336 | msgTargetLifeline = userLifeline;
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337 | } else {
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338 | msgSourceLifeline = userLifeline;
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339 | msgTargetLifeline = interaction.getLifeline(serviceName);
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340 | }
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341 |
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342 | // TODO null checks for lifelines
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343 |
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344 | // determine target interface and be able to deal with multiple interfaces
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345 | List<Interface> targetInterfaces = getRealizedInterfacesFromProperty((Property) msgTargetLifeline.getRepresents());
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346 | if( targetInterfaces.isEmpty() ) {
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347 | throw new RuntimeException("no interface associated with the property " + msgTargetLifeline.getRepresents().getName());
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348 | }
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349 | Interface targetInterface = null;
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350 | for( Interface intface : targetInterfaces ) {
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351 | System.out.println(intface.getOperations());
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352 | if (getOperationFromName(intface.getOperations(), methodName) != null) {
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353 | // interface found
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354 | targetInterface = intface;
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355 | break;
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356 | }
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357 | }
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358 | if( targetInterface == null ) {
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359 | StringBuilder errStrBuilder = new StringBuilder();
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360 | errStrBuilder.append("operation not found in the implementing interfaces (");
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361 | Iterator<Interface> iter = targetInterfaces.iterator();
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362 | while( iter.hasNext() ) {
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363 | String interfaceName = iter.next().getName();
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364 | errStrBuilder.append(interfaceName);
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365 | if( iter.hasNext() ) {
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366 | errStrBuilder.append(",");
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367 | } else {
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368 | errStrBuilder.append("): " + methodName);
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369 | }
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370 | }
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371 | throw new RuntimeException(errStrBuilder.toString());
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372 | }
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373 |
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374 | // create message ASYNCH
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375 | boolean asynch = false;
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376 | if( asynch ) {
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377 | MessageOccurrenceSpecification sendFragment =
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378 | (MessageOccurrenceSpecification) interaction
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379 | .createFragment(i + ":" + methodName + "_sendFragment",
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380 | UMLPackage.Literals.MESSAGE_OCCURRENCE_SPECIFICATION);
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381 | MessageOccurrenceSpecification recvFragment =
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382 | (MessageOccurrenceSpecification) interaction
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383 | .createFragment(i + ":" + methodName + "_recvFragment",
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384 | UMLPackage.Literals.MESSAGE_OCCURRENCE_SPECIFICATION);
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385 |
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386 | sendFragment.setCovered(msgSourceLifeline);
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387 | recvFragment.setCovered(msgTargetLifeline);
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388 |
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389 | Message message = interaction.createMessage(methodName);
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390 | if (getOperationFromName(targetInterface.getOperations(), methodName) == null) {
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391 | System.out.println("operation not found in the " + targetInterface.getName() + " interface: " + methodName);
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392 | }
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393 | message.setSignature(getOperationFromName(targetInterface.getOperations(),
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394 | methodName));
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395 | message.setMessageSort(MessageSort.ASYNCH_CALL_LITERAL);
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396 | message.setSendEvent(sendFragment);
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397 | message.setReceiveEvent(recvFragment);
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398 |
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399 | // now the connector needs to be determined
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400 | EList<Property> userAttributes = ((Component) msgSourceLifeline.getRepresents().getType()).getAttributes();
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401 | EList<Property> targetAttributes = ((Component) msgTargetLifeline.getRepresents().getType()).getAttributes();
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402 |
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403 | for( Property userAttribute : userAttributes ) {
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404 | if( userAttribute instanceof Port ) {
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405 | EList<ConnectorEnd> userEnds = ((Port) userAttribute).getEnds();
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406 | for( ConnectorEnd userEnd : userEnds ) {
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407 | Connector userConnector = (Connector) userEnd.eContainer();
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408 | for( Property targetAttribute : targetAttributes ) {
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409 | if( targetAttribute instanceof Port ) {
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410 | EList<ConnectorEnd> targetEnds = ((Port) targetAttribute).getEnds();
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411 | for( ConnectorEnd targetEnd : targetEnds ) {
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412 | Connector targetConnector = (Connector) targetEnd.eContainer();
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413 | if( targetConnector==userConnector ) {
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414 | message.setConnector(targetConnector);
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415 | }
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416 | }
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417 | }
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418 | }
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419 | }
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420 | }
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421 | }
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422 | sendFragment.setMessage(message);
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423 | recvFragment.setMessage(message);
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424 | } else {
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425 | // SYNCH call
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426 | MessageOccurrenceSpecification callSendFragment =
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427 | (MessageOccurrenceSpecification) interaction
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428 | .createFragment(i + ":" + methodName + "_callSendFragment",
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429 | UMLPackage.Literals.MESSAGE_OCCURRENCE_SPECIFICATION);
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430 | MessageOccurrenceSpecification callRecvFragment =
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431 | (MessageOccurrenceSpecification) interaction
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432 | .createFragment(i + ":" + methodName + "_callRecvFragment",
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433 | UMLPackage.Literals.MESSAGE_OCCURRENCE_SPECIFICATION);
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434 |
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435 | MessageOccurrenceSpecification replySendFragment =
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436 | (MessageOccurrenceSpecification) interaction
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437 | .createFragment(i + ":" + methodName + "_replySendFragment",
|
---|
438 | UMLPackage.Literals.MESSAGE_OCCURRENCE_SPECIFICATION);
|
---|
439 | MessageOccurrenceSpecification replyRecvFragment =
|
---|
440 | (MessageOccurrenceSpecification) interaction
|
---|
441 | .createFragment(i + ":" + methodName + "_replyRecvFragment",
|
---|
442 | UMLPackage.Literals.MESSAGE_OCCURRENCE_SPECIFICATION);
|
---|
443 |
|
---|
444 | BehaviorExecutionSpecification sourceBehaviorExecutionSpecification =
|
---|
445 | (BehaviorExecutionSpecification) interaction
|
---|
446 | .createFragment(":" + methodName + "_sourceBhvExecSpec",
|
---|
447 | UMLPackage.Literals.BEHAVIOR_EXECUTION_SPECIFICATION);
|
---|
448 | BehaviorExecutionSpecification targetBehaviorExecutionSpecification =
|
---|
449 | (BehaviorExecutionSpecification) interaction
|
---|
450 | .createFragment(":" + methodName + "_targetBhvExecSpec",
|
---|
451 | UMLPackage.Literals.BEHAVIOR_EXECUTION_SPECIFICATION);
|
---|
452 |
|
---|
453 |
|
---|
454 | callSendFragment.setCovered(msgSourceLifeline);
|
---|
455 | callRecvFragment.setCovered(msgTargetLifeline);
|
---|
456 | replySendFragment.setCovered(msgTargetLifeline);
|
---|
457 | replyRecvFragment.setCovered(msgSourceLifeline);
|
---|
458 |
|
---|
459 | sourceBehaviorExecutionSpecification.setStart(callSendFragment);
|
---|
460 | sourceBehaviorExecutionSpecification.setFinish(replyRecvFragment);
|
---|
461 | targetBehaviorExecutionSpecification.setStart(callRecvFragment);
|
---|
462 | targetBehaviorExecutionSpecification.setFinish(replySendFragment);
|
---|
463 |
|
---|
464 | Operation calledOperation = getOperationFromName(targetInterface.getOperations(), methodName);
|
---|
465 |
|
---|
466 | // create call
|
---|
467 | Message callMessage = interaction.createMessage(methodName);
|
---|
468 | callMessage.setSignature(calledOperation);
|
---|
469 | callMessage.setMessageSort(MessageSort.SYNCH_CALL_LITERAL);
|
---|
470 | callMessage.setSendEvent(callSendFragment);
|
---|
471 | callMessage.setReceiveEvent(callRecvFragment);
|
---|
472 | callSendFragment.setMessage(callMessage);
|
---|
473 | callRecvFragment.setMessage(callMessage);
|
---|
474 |
|
---|
475 | // now the connector needs to be determined
|
---|
476 | EList<Property> userAttributes = ((Component) msgSourceLifeline.getRepresents().getType()).getAttributes();
|
---|
477 | EList<Property> targetAttributes = ((Component) msgTargetLifeline.getRepresents().getType()).getAttributes();
|
---|
478 |
|
---|
479 | for( Property userAttribute : userAttributes ) {
|
---|
480 | if( userAttribute instanceof Port ) {
|
---|
481 | EList<ConnectorEnd> userEnds = ((Port) userAttribute).getEnds();
|
---|
482 | for( ConnectorEnd userEnd : userEnds ) {
|
---|
483 | Connector userConnector = (Connector) userEnd.eContainer();
|
---|
484 | for( Property targetAttribute : targetAttributes ) {
|
---|
485 | if( targetAttribute instanceof Port ) {
|
---|
486 | EList<ConnectorEnd> targetEnds = ((Port) targetAttribute).getEnds();
|
---|
487 | for( ConnectorEnd targetEnd : targetEnds ) {
|
---|
488 | Connector targetConnector = (Connector) targetEnd.eContainer();
|
---|
489 | if( targetConnector==userConnector ) {
|
---|
490 | callMessage.setConnector(targetConnector);
|
---|
491 | }
|
---|
492 | }
|
---|
493 | }
|
---|
494 | }
|
---|
495 | }
|
---|
496 | }
|
---|
497 | }
|
---|
498 |
|
---|
499 | // create reply
|
---|
500 | Message replyMessage = interaction.createMessage(methodName + "_reply");
|
---|
501 | replyMessage.setMessageSort(MessageSort.REPLY_LITERAL);
|
---|
502 | replyMessage.setSignature(calledOperation);
|
---|
503 | replyMessage.setSendEvent(replySendFragment);
|
---|
504 | replyMessage.setReceiveEvent(replyRecvFragment);
|
---|
505 | replySendFragment.setMessage(replyMessage);
|
---|
506 | replyRecvFragment.setMessage(replyMessage);
|
---|
507 | }
|
---|
508 |
|
---|
509 |
|
---|
510 | i++;
|
---|
511 | }
|
---|
512 | }
|
---|
513 | }
|
---|
514 |
|
---|
515 | /**
|
---|
516 | * <p>
|
---|
517 | * Calculates the usage score of an interaction as the logsum of the event probabilities
|
---|
518 | * multiplied with the length of the interaction.
|
---|
519 | * </p>
|
---|
520 | *
|
---|
521 | * @param interaction
|
---|
522 | * interaction for which the score is calculated
|
---|
523 | * @param usageProfile
|
---|
524 | * usage profile used for the calculation
|
---|
525 | * @return calculated usage score
|
---|
526 | */
|
---|
527 | public static double calculateUsageScore(Interaction interaction,
|
---|
528 | IStochasticProcess usageProfile)
|
---|
529 | {
|
---|
530 | double usageScore = 0.0d;
|
---|
531 |
|
---|
532 | EList<InteractionFragment> interactionFragments = interaction.getFragments();
|
---|
533 | List<Event> eventSequence = new LinkedList<>();
|
---|
534 | eventSequence.add(Event.STARTEVENT);
|
---|
535 | for (InteractionFragment interactionFragment : interactionFragments) {
|
---|
536 | if (interactionFragment.getName() != null &&
|
---|
537 | interactionFragment.getName().endsWith("_recvFragment"))
|
---|
538 | {
|
---|
539 | String serviceName =
|
---|
540 | interactionFragment.getCovereds().get(0).getRepresents().getName().split("_")[0];
|
---|
541 | String methodName = "UNKNOWN";
|
---|
542 | if (interactionFragment instanceof MessageOccurrenceSpecification) {
|
---|
543 | methodName =
|
---|
544 | ((MessageOccurrenceSpecification) interactionFragment).getMessage()
|
---|
545 | .getName();
|
---|
546 | }
|
---|
547 | eventSequence.add(new Event(new SimpleSOAPEventType(methodName, serviceName)));
|
---|
548 | }
|
---|
549 | }
|
---|
550 | eventSequence.add(Event.ENDEVENT);
|
---|
551 | double prob = usageProfile.getLogSum(eventSequence);
|
---|
552 | usageScore = eventSequence.size() * prob;
|
---|
553 |
|
---|
554 | return usageScore;
|
---|
555 | }
|
---|
556 |
|
---|
557 | /**
|
---|
558 | * <p>
|
---|
559 | * Extends the given model with an activity for usage-based scheduling of the test cases.
|
---|
560 | * </p>
|
---|
561 | *
|
---|
562 | * @param model
|
---|
563 | * model to be extended
|
---|
564 | * @param usageProfile
|
---|
565 | * usage profile used as foundation
|
---|
566 | */
|
---|
567 | public static void createScheduling(Model model, IStochasticProcess usageProfile, String testContextName) {
|
---|
568 |
|
---|
569 | final Profile utpProfile = model.getAppliedProfile("utp");
|
---|
570 | final Stereotype utpTestCase = (Stereotype) utpProfile.getOwnedMember("TestCase");
|
---|
571 | final Stereotype utpTestContext = (Stereotype) utpProfile.getOwnedMember("TestContext");
|
---|
572 |
|
---|
573 | Component testContext = fetchTestContext(model, utpTestContext, testContextName);
|
---|
574 | if( testContext==null ) {
|
---|
575 | throw new RuntimeException("Could not find any test context in the model");
|
---|
576 | }
|
---|
577 |
|
---|
578 | Map<Operation, Double> usageScoreMapUnsorted = new HashMap<>();
|
---|
579 |
|
---|
580 | // first, we determine all test cases and calculate their usage scores
|
---|
581 | for (Operation operation : testContext.getAllOperations()) {
|
---|
582 | if (operation.getAppliedStereotypes().contains(utpTestCase)) {
|
---|
583 | Interaction interaction = (Interaction) operation.getMethods().get(0);
|
---|
584 | usageScoreMapUnsorted
|
---|
585 | .put(operation, calculateUsageScore(interaction, usageProfile));
|
---|
586 | }
|
---|
587 | }
|
---|
588 | Map<Operation, Double> usageScoreMapSorted = sortByValue(usageScoreMapUnsorted);
|
---|
589 |
|
---|
590 | // now we create the scheduling
|
---|
591 | Activity schedulingActivity =
|
---|
592 | (Activity) testContext.createOwnedBehavior("UsageBasedScheduling",
|
---|
593 | UMLPackage.Literals.ACTIVITY);
|
---|
594 | testContext.setClassifierBehavior(schedulingActivity);
|
---|
595 |
|
---|
596 | ActivityNode startNode =
|
---|
597 | schedulingActivity.createOwnedNode("final", UMLPackage.Literals.INITIAL_NODE);
|
---|
598 | ActivityNode finalNode =
|
---|
599 | schedulingActivity.createOwnedNode("final", UMLPackage.Literals.ACTIVITY_FINAL_NODE);
|
---|
600 |
|
---|
601 | ActivityNode currentOperationNode = startNode;
|
---|
602 |
|
---|
603 | for (Entry<Operation, Double> entry : usageScoreMapSorted.entrySet()) {
|
---|
604 | Operation operation = entry.getKey();
|
---|
605 | CallOperationAction nextOperationNode =
|
---|
606 | (CallOperationAction) schedulingActivity
|
---|
607 | .createOwnedNode(operation.getName(), UMLPackage.Literals.CALL_OPERATION_ACTION);
|
---|
608 | nextOperationNode.setOperation(operation);
|
---|
609 |
|
---|
610 | ActivityEdge edge =
|
---|
611 | schedulingActivity.createEdge(currentOperationNode.getName() + "_to_" +
|
---|
612 | nextOperationNode.getName(), UMLPackage.Literals.CONTROL_FLOW);
|
---|
613 | edge.setSource(currentOperationNode);
|
---|
614 | edge.setTarget(nextOperationNode);
|
---|
615 |
|
---|
616 | currentOperationNode = nextOperationNode;
|
---|
617 | }
|
---|
618 |
|
---|
619 | ActivityEdge edge =
|
---|
620 | schedulingActivity
|
---|
621 | .createEdge(currentOperationNode.getName() + "_to_" + finalNode.getName(),
|
---|
622 | UMLPackage.Literals.CONTROL_FLOW);
|
---|
623 | edge.setSource(currentOperationNode);
|
---|
624 | edge.setTarget(finalNode);
|
---|
625 | }
|
---|
626 |
|
---|
627 | /**
|
---|
628 | * From
|
---|
629 | * http://stackoverflow.com/questions/109383/how-to-sort-a-mapkey-value-on-the-values-in-java
|
---|
630 | * and adapted to do an inverse sorting
|
---|
631 | */
|
---|
632 | public static <K, V extends Comparable<? super V>> Map<K, V> sortByValue(Map<K, V> map) {
|
---|
633 | List<Map.Entry<K, V>> list = new LinkedList<>(map.entrySet());
|
---|
634 | Collections.sort(list, new Comparator<Map.Entry<K, V>>() {
|
---|
635 | @Override
|
---|
636 | public int compare(Map.Entry<K, V> o1, Map.Entry<K, V> o2) {
|
---|
637 | return -1 * (o1.getValue()).compareTo(o2.getValue());
|
---|
638 | }
|
---|
639 | });
|
---|
640 |
|
---|
641 | Map<K, V> result = new LinkedHashMap<>();
|
---|
642 | for (Map.Entry<K, V> entry : list) {
|
---|
643 | result.put(entry.getKey(), entry.getValue());
|
---|
644 | }
|
---|
645 | return result;
|
---|
646 | }
|
---|
647 |
|
---|
648 | /**
|
---|
649 | * <p>
|
---|
650 | * Helper function to get the name of a service from a SOAP event.
|
---|
651 | * </p>
|
---|
652 | *
|
---|
653 | * @param event
|
---|
654 | * event for which the service name is retrieved
|
---|
655 | * @return service name
|
---|
656 | */
|
---|
657 | protected static String getServiceNameFromEvent(Event event) {
|
---|
658 | if (event.getType() instanceof SOAPEventType) {
|
---|
659 | return ((SOAPEventType) event.getType()).getServiceName();
|
---|
660 | }
|
---|
661 | else if (event.getType() instanceof SimpleSOAPEventType) {
|
---|
662 | return ((SimpleSOAPEventType) event.getType()).getServiceName();
|
---|
663 | }
|
---|
664 | else {
|
---|
665 | throw new RuntimeException(
|
---|
666 | "Wrong event type. Only SOAPEventType and SimpleSOAPEventType supported but was: " +
|
---|
667 | event.getType().getClass().getName());
|
---|
668 | }
|
---|
669 | }
|
---|
670 |
|
---|
671 | /**
|
---|
672 | *
|
---|
673 | * <p>
|
---|
674 | * Helper function to get the called method from a SOAP event
|
---|
675 | * </p>
|
---|
676 | *
|
---|
677 | * @param event
|
---|
678 | * event for which the called method is retrieved
|
---|
679 | * @return called method
|
---|
680 | */
|
---|
681 | private static String getCalledMethodFromEvent(Event event) {
|
---|
682 | if (event.getType() instanceof SOAPEventType) {
|
---|
683 | return ((SOAPEventType) event.getType()).getCalledMethod();
|
---|
684 | }
|
---|
685 | else if (event.getType() instanceof SimpleSOAPEventType) {
|
---|
686 | return ((SimpleSOAPEventType) event.getType()).getCalledMethod();
|
---|
687 | }
|
---|
688 | else {
|
---|
689 | throw new RuntimeException(
|
---|
690 | "Wrong event type. Only SOAPEventType and SimpleSOAPEventType supported but was: " +
|
---|
691 | event.getType().getClass().getName());
|
---|
692 | }
|
---|
693 | }
|
---|
694 |
|
---|
695 | /**
|
---|
696 | * <p>
|
---|
697 | * Fetches an operation using only its name from a list of operations. Returns the first match
|
---|
698 | * found or null if no match is found.
|
---|
699 | * </p>
|
---|
700 | *
|
---|
701 | * @param operations
|
---|
702 | * list of operations
|
---|
703 | * @param name
|
---|
704 | * name of the operation
|
---|
705 | * @return first matching operation; null if no match is found
|
---|
706 | */
|
---|
707 | private static Operation getOperationFromName(EList<Operation> operations, String name) {
|
---|
708 | if (name == null) {
|
---|
709 | throw new IllegalArgumentException("name of the operation must not be null");
|
---|
710 | }
|
---|
711 | if (operations != null) {
|
---|
712 | for (Operation operation : operations) {
|
---|
713 | if (operation.getName() != null && operation.getName().equals(name)) {
|
---|
714 | return operation;
|
---|
715 | }
|
---|
716 | }
|
---|
717 | }
|
---|
718 | return null;
|
---|
719 | }
|
---|
720 |
|
---|
721 | /**
|
---|
722 | * <p>
|
---|
723 | * Determines which transitions match a given {@link SOAPEventType}.
|
---|
724 | * </p>
|
---|
725 | *
|
---|
726 | * @param transitions
|
---|
727 | * the transitions
|
---|
728 | * @param eventType
|
---|
729 | * the SOAP event
|
---|
730 | * @return matching transitions
|
---|
731 | */
|
---|
732 | private static List<Transition> matchTransitions(List<Transition> transitions,
|
---|
733 | SOAPEventType eventType)
|
---|
734 | {
|
---|
735 | List<Transition> matching = new LinkedList<>();
|
---|
736 | for (Transition transition : transitions) {
|
---|
737 | // String serviceName = transition.getName().split("\\.")[0]; // TODO service name check
|
---|
738 | String methodName = transition.getName().split("\\.")[1];
|
---|
739 | if (methodName.equals(eventType.getCalledMethod())) {
|
---|
740 | matching.add(transition);
|
---|
741 | }
|
---|
742 | }
|
---|
743 | return matching;
|
---|
744 | }
|
---|
745 |
|
---|
746 | private static List<Interface> getRealizedInterfacesFromProperty(Property property) {
|
---|
747 | return getRealizedInterfaceFromComponent((Component) property.getType());
|
---|
748 | }
|
---|
749 |
|
---|
750 | private static List<Interface> getRealizedInterfaceFromComponent(Component comp) {
|
---|
751 | List<Interface> interfaces = new LinkedList<>();
|
---|
752 | //Interface myInterface = null;
|
---|
753 | for( Property property : comp.getAttributes() ) {
|
---|
754 | if( property instanceof Port ) {
|
---|
755 | Port port = (Port) property;
|
---|
756 | if( !port.isConjugated() ) {
|
---|
757 | interfaces.addAll(port.getProvideds());
|
---|
758 | /*
|
---|
759 | if( myInterface==null ) {
|
---|
760 | myInterface = port.getProvideds().get(0);
|
---|
761 | }
|
---|
762 | else if( myInterface!=port.getProvideds().get(0)) {
|
---|
763 | System.err.println("multiple different interfaces found");
|
---|
764 | }
|
---|
765 | */
|
---|
766 | }
|
---|
767 | }
|
---|
768 | }
|
---|
769 | return interfaces;
|
---|
770 | //return myInterface;
|
---|
771 | //return ((Port) comp.getAttributes().get(0)).getInterface();
|
---|
772 | //Realization realization = (Realization) comp.getNestedClassifiers().get(0).getRelationships(UMLPackage.Literals.REALIZATION).get(0);
|
---|
773 | //return (Interface) realization.getSuppliers().get(0);
|
---|
774 | }
|
---|
775 |
|
---|
776 | private static Component fetchTestContext(Package pkg, Stereotype utpTestContext, String testContextName) {
|
---|
777 | List<Component> testContexts = fetchTestContextRecursively(pkg, utpTestContext);
|
---|
778 | if( testContexts.isEmpty() ) {
|
---|
779 | return null;
|
---|
780 | }
|
---|
781 | if( testContextName!=null ) {
|
---|
782 | for( Component testContext : testContexts ) {
|
---|
783 | if( testContextName.equals(testContext.getName()) ) {
|
---|
784 | return testContext;
|
---|
785 | }
|
---|
786 | }
|
---|
787 | return null;
|
---|
788 | } else {
|
---|
789 | return testContexts.get(0);
|
---|
790 | }
|
---|
791 | }
|
---|
792 |
|
---|
793 | private static List<Component> fetchTestContextRecursively(Package pkg, Stereotype utpTestContext) {
|
---|
794 | List<Component> testContexts = new LinkedList<>();
|
---|
795 | for( Element element : pkg.getOwnedElements() ) {
|
---|
796 | if( element instanceof Package ) {
|
---|
797 | testContexts.addAll(fetchTestContextRecursively((Package) element, utpTestContext));
|
---|
798 | }
|
---|
799 | if( element instanceof Component && element.getAppliedStereotypes().contains(utpTestContext) ) {
|
---|
800 | testContexts.add((Component) element);
|
---|
801 | }
|
---|
802 | }
|
---|
803 | return testContexts;
|
---|
804 | }
|
---|
805 | }
|
---|