use of org.iobserve.stages.general.data.EntryCallEvent in project iobserve-analysis by research-iobserve.
the class ClusteringEvaluation method createCallSequencesForUserGroupStoreManager.
/**
* Behavior Model of user group Store Manager. It creates for each user session a random user
* behavior according to the BehaviorModel it describes
*
* @param userSessions
*/
private void createCallSequencesForUserGroupStoreManager(final List<UserSession> userSessions) {
EntryCallEvent entryCallEvent;
for (final UserSession userSession : userSessions) {
int entryTime = this.getRandomInteger(30, 1);
int exitTime = entryTime + 1;
entryCallEvent = new EntryCallEvent(entryTime, exitTime, "login", "class", "2", "hostname");
userSession.add(entryCallEvent, true);
entryTime += 2;
exitTime += 2;
double callDecisioner = this.getRandomDouble(1, 0);
if (callDecisioner <= 0.5) {
entryCallEvent = new EntryCallEvent(entryTime, exitTime, "changePrice", "class", "2", "hostname");
userSession.add(entryCallEvent, true);
entryTime += 2;
exitTime += 2;
} else {
entryCallEvent = new EntryCallEvent(entryTime, exitTime, "orderProduct", "class", "2", "hostname");
userSession.add(entryCallEvent, true);
entryTime += 2;
exitTime += 2;
}
while (!entryCallEvent.getOperationSignature().equals("commit")) {
callDecisioner = this.getRandomDouble(1, 0);
if (entryCallEvent.getOperationSignature().equals("changePrice") && callDecisioner <= 0.3) {
entryCallEvent = new EntryCallEvent(entryTime, exitTime, "changePrice", "class", "2", "hostname");
userSession.add(entryCallEvent, true);
entryTime += 2;
exitTime += 2;
continue;
}
if (entryCallEvent.getOperationSignature().equals("changePrice") && callDecisioner > 0.3 && callDecisioner <= 0.6) {
entryCallEvent = new EntryCallEvent(entryTime, exitTime, "orderProduct", "class", "2", "hostname");
userSession.add(entryCallEvent, true);
entryTime += 2;
exitTime += 2;
continue;
}
if (entryCallEvent.getOperationSignature().equals("changePrice") && callDecisioner > 0.6) {
entryCallEvent = new EntryCallEvent(entryTime, exitTime, "commit", "class", "2", "hostname");
userSession.add(entryCallEvent, true);
entryTime += 2;
exitTime += 2;
continue;
}
if (entryCallEvent.getOperationSignature().equals("orderProduct") && callDecisioner <= 0.3) {
entryCallEvent = new EntryCallEvent(entryTime, exitTime, "changePrice", "class", "2", "hostname");
userSession.add(entryCallEvent, true);
entryTime += 2;
exitTime += 2;
continue;
}
if (entryCallEvent.getOperationSignature().equals("orderProduct") && callDecisioner > 0.3 && callDecisioner <= 0.6) {
entryCallEvent = new EntryCallEvent(entryTime, exitTime, "orderProduct", "class", "2", "hostname");
userSession.add(entryCallEvent, true);
entryTime += 2;
exitTime += 2;
continue;
}
if (entryCallEvent.getOperationSignature().equals("orderProduct") && callDecisioner > 0.6) {
entryCallEvent = new EntryCallEvent(entryTime, exitTime, "commit", "class", "2", "hostname");
userSession.add(entryCallEvent, true);
entryTime += 2;
exitTime += 2;
continue;
}
}
entryCallEvent = new EntryCallEvent(entryTime, exitTime, "logout", "class", "2", "hostname");
userSession.add(entryCallEvent, true);
}
}
use of org.iobserve.stages.general.data.EntryCallEvent in project iobserve-analysis by research-iobserve.
the class SimpleLoopReference method getModel.
/**
* Creates a reference model that contains a loop element. Accordingly, user sessions whose call
* sequences contain iterated calls are created.(RQ-1.3)
*
* @param referenceUsageModelFileName
* reference usage model file name
* @param repositoryLookupModelProvider
* repository model provider
* @param correspondenceModel
* correspondence model
*
* @return the reference usage model and a corresponding EntryCallSequenceModel
* @throws IOException
* on error
*/
public static ReferenceElements getModel(final String referenceUsageModelFileName, final RepositoryLookupModelProvider repositoryLookupModelProvider, final ICorrespondence correspondenceModel) throws IOException {
// Create a random number of user sessions and random model element parameters. The user
// sessions' behavior will be created according to the reference usage model and
// subsequently the user sessions are used to create a usage model. The created usage model
// is matched against the reference usage model
final int numberOfConcurrentUsers = TestHelper.getRandomInteger(200, 1);
final int loopCount = TestHelper.getRandomInteger(5, 2);
final int numberOfIteratedCalls = TestHelper.getRandomInteger(5, 1);
final EntryCallSequenceModel entryCallSequenceModel = new EntryCallSequenceModel(TestHelper.getUserSessions(numberOfConcurrentUsers));
final ReferenceElements referenceElements = new ReferenceElements();
// In the following the reference usage model is created
AbstractUserAction lastAction;
final UsageModel usageModel = UsageModelFactory.createUsageModel();
final UsageScenario usageScenario = UsageModelFactory.createUsageScenario("", usageModel);
final ScenarioBehaviour scenarioBehaviour = usageScenario.getScenarioBehaviour_UsageScenario();
final Start start = UsageModelFactory.createAddStartAction("", scenarioBehaviour);
final Stop stop = UsageModelFactory.createAddStopAction("", scenarioBehaviour);
// A loop is created and the loop count is set
final Loop loop = UsageModelFactory.createLoop("", scenarioBehaviour);
UsageModelFactory.connect(start, loop);
final PCMRandomVariable pcmLoopIteration = CoreFactory.eINSTANCE.createPCMRandomVariable();
pcmLoopIteration.setSpecification(String.valueOf(loopCount));
loop.setLoopIteration_Loop(pcmLoopIteration);
UsageModelFactory.connect(loop, stop);
// The EntryLevelSystemCalls that are iterated are added to the loop element
final Start loopStart = UsageModelFactory.createAddStartAction("", loop.getBodyBehaviour_Loop());
final Stop loopStop = UsageModelFactory.createAddStopAction("", loop.getBodyBehaviour_Loop());
lastAction = loopStart;
Optional<Correspondent> optionCorrespondent;
// iterated calls to the loop
for (int i = 0; i < numberOfIteratedCalls; i++) {
if (i >= 0 && i < 5) {
optionCorrespondent = correspondenceModel.getCorrespondent(ReferenceUsageModelBuilder.CLASS_SIGNATURE[i], ReferenceUsageModelBuilder.OPERATION_SIGNATURE[i]);
} else {
throw new IllegalArgumentException("Illegal value of model element parameter");
}
if (optionCorrespondent.isPresent()) {
final Correspondent correspondent = optionCorrespondent.get();
final EntryLevelSystemCall entryLevelSystemCall = UsageModelFactory.createEntryLevelSystemCall(repositoryLookupModelProvider, correspondent);
UsageModelFactory.addUserAction(loop.getBodyBehaviour_Loop(), entryLevelSystemCall);
UsageModelFactory.connect(lastAction, entryLevelSystemCall);
lastAction = entryLevelSystemCall;
}
}
UsageModelFactory.connect(lastAction, loopStop);
// According to the reference usage model user sessions are created that exactly represent
// the user behavior of the reference usage model. The entry and exit times enable that the
// calls within the user sessions are ordered according to the reference usage model
int entryTime = 1;
int exitTime = 2;
for (int i = 0; i < entryCallSequenceModel.getUserSessions().size(); i++) {
entryTime = 1;
exitTime = 2;
// number of iterated calls
for (int k = 0; k < loopCount; k++) {
for (int j = 0; j < numberOfIteratedCalls; j++) {
EntryCallEvent entryCallEvent = null;
if (j >= 0 && j < 5) {
entryCallEvent = new EntryCallEvent(entryTime, exitTime, ReferenceUsageModelBuilder.OPERATION_SIGNATURE[j], ReferenceUsageModelBuilder.CLASS_SIGNATURE[j], String.valueOf(i), "hostname");
} else {
throw new IllegalArgumentException("Illegal value of model element parameter");
}
entryCallSequenceModel.getUserSessions().get(i).add(entryCallEvent, true);
entryTime = entryTime + 2;
exitTime = exitTime + 2;
}
}
}
// Saves the reference usage model and sets the usage model and the EntryCallSequenceModel
// as the reference elements. Our approach is now executed with the EntryCallSequenceModel
// and the resulting usage model can be matched against the reference usage model
TestHelper.saveModel(usageModel, referenceUsageModelFileName);
referenceElements.setEntryCallSequenceModel(entryCallSequenceModel);
referenceElements.setUsageModel(usageModel);
return referenceElements;
}
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