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Example 41 with EntryCallEvent

use of org.iobserve.stages.general.data.EntryCallEvent in project iobserve-analysis by research-iobserve.

the class BranchWithinBranchReference method createBranch.

/**
 * Create a branch.
 *
 * @param branchTransitionCounter
 * @param entryTime
 * @param entryCallSequenceModel
 * @param numberOfTransitionsOfInteriorBranches
 * @param listOfbranchTransitionCounterInterior
 * @param userSessionIndex
 * @param operationId
 * @return
 */
private static int createBranch(final List<Integer> branchTransitionCounter, final int entryTime, final UserSessionCollectionModel entryCallSequenceModel, final int numberOfTransitionsOfInteriorBranches, final List<List<Integer>> listOfbranchTransitionCounterInterior, final int userSessionIndex, final int operationId) {
    final int countOfBranchTransition = branchTransitionCounter.get(operationId) + 1;
    branchTransitionCounter.set(operationId, countOfBranchTransition);
    final EntryCallEvent entryCallEvent = new EntryCallEvent(entryTime, entryTime + 1, ReferenceUsageModelBuilder.OPERATION_SIGNATURE[operationId], ReferenceUsageModelBuilder.CLASS_SIGNATURE[operationId], String.valueOf(userSessionIndex), "hostname");
    entryCallSequenceModel.getUserSessions().get(userSessionIndex).add(entryCallEvent, true);
    int branchDecisioner = TestHelper.getRandomInteger(numberOfTransitionsOfInteriorBranches - 1, 0);
    for (int k = 0; k < numberOfTransitionsOfInteriorBranches; k++) {
        if (listOfbranchTransitionCounterInterior.get(operationId).get(k) == 0) {
            branchDecisioner = k;
            break;
        }
    }
    // Within the branch transition again a random branch transition is chosen
    if (branchDecisioner == 0) {
        return BranchWithinBranchReference.createEntryCallEventForBranch(userSessionIndex, operationId, 0, 0, entryCallSequenceModel, entryTime + 2, listOfbranchTransitionCounterInterior);
    } else if (branchDecisioner == 1) {
        return BranchWithinBranchReference.createEntryCallEventForBranch(userSessionIndex, operationId, 1, 3, entryCallSequenceModel, entryTime + 2, listOfbranchTransitionCounterInterior);
    } else if (branchDecisioner == 2) {
        return BranchWithinBranchReference.createEntryCallEventForBranch(userSessionIndex, operationId, 2, 4, entryCallSequenceModel, entryTime + 2, listOfbranchTransitionCounterInterior);
    } else {
        return entryTime + 2;
    }
}
Also used : EntryCallEvent(org.iobserve.stages.general.data.EntryCallEvent)

Example 42 with EntryCallEvent

use of org.iobserve.stages.general.data.EntryCallEvent in project iobserve-analysis by research-iobserve.

the class BranchWithinBranchReference method createEntryCallEventForBranch.

/**
 * Helper function to create and add an entry call event to a call sequence model.
 *
 * @param index
 *            user session index
 * @param branchDecisioner
 *            branch decision
 * @param entryCallSequenceModel
 *            the sequence call model
 * @param entryTime
 *            call entry time
 * @param exitTime
 *            call exit time
 * @param listOfbranchTransitionCounterInterior
 *            list of iterators
 */
private static int createEntryCallEventForBranch(final int index, final int iteratorId, final int branchDecisioner, final int signatureId, final UserSessionCollectionModel entryCallSequenceModel, final int entryTime, final List<List<Integer>> listOfbranchTransitionCounterInterior) {
    final int countOfBranchTransition = listOfbranchTransitionCounterInterior.get(iteratorId).get(branchDecisioner) + 1;
    listOfbranchTransitionCounterInterior.get(iteratorId).set(branchDecisioner, countOfBranchTransition);
    final EntryCallEvent entryCallEvent = new EntryCallEvent(entryTime, entryTime + 1, ReferenceUsageModelBuilder.OPERATION_SIGNATURE[signatureId], ReferenceUsageModelBuilder.CLASS_SIGNATURE[signatureId], String.valueOf(index), "hostname");
    entryCallSequenceModel.getUserSessions().get(index).add(entryCallEvent, true);
    return entryTime + 2;
}
Also used : EntryCallEvent(org.iobserve.stages.general.data.EntryCallEvent)

Example 43 with EntryCallEvent

use of org.iobserve.stages.general.data.EntryCallEvent in project iobserve-analysis by research-iobserve.

the class SimpleBranchReference method computeBranchTransitions.

/**
 * 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 The branch
 * transition counter ensures that each branch transition is visited by at least one user
 * session.
 *
 * @param entryCallSequenceModel
 * @param branch
 * @param numberOfBranchTransitions
 *
 * @return list of branch transition counter
 */
private static List<Integer> computeBranchTransitions(final UserSessionCollectionModel entryCallSequenceModel, final Branch branch, final int numberOfBranchTransitions) {
    final List<Integer> branchTransitionCounter = new ArrayList<>();
    boolean areAllBranchesVisited = true;
    do {
        for (int i = 0; i < branch.getBranchTransitions_Branch().size(); i++) {
            branchTransitionCounter.add(i, 0);
        }
        for (int i = 0; i < entryCallSequenceModel.getUserSessions().size(); i++) {
            // Each user sessions represents randomly one of the branch transitions
            final int branchDecisioner = TestHelper.getRandomInteger(numberOfBranchTransitions - 1, 0);
            if (branchDecisioner == 0) {
                SimpleBranchReference.sequenceConstructor(branchTransitionCounter, 0, entryCallSequenceModel, i, 0, 1);
            } else if (branchDecisioner == 1) {
                SimpleBranchReference.sequenceConstructor(branchTransitionCounter, 1, entryCallSequenceModel, i, 1, 0);
            } else if (branchDecisioner == 2) {
                SimpleBranchReference.sequenceConstructor(branchTransitionCounter, 2, entryCallSequenceModel, i, 2, 0);
            } else if (branchDecisioner == 3) {
                SimpleBranchReference.sequenceConstructor(branchTransitionCounter, 3, entryCallSequenceModel, i, 3, 0);
            } else if (branchDecisioner == 4) {
                SimpleBranchReference.sequenceConstructor(branchTransitionCounter, 4, entryCallSequenceModel, i, 4, 0);
            } else {
                throw new IllegalArgumentException("Illegal value of model element parameter");
            }
            final EntryCallEvent entryCallEvent3 = new EntryCallEvent(3, 4, ReferenceUsageModelBuilder.OPERATION_SIGNATURE[2], ReferenceUsageModelBuilder.CLASS_SIGNATURE[2], String.valueOf(i), "hostname");
            entryCallSequenceModel.getUserSessions().get(i).add(entryCallEvent3, true);
        }
        // Checks whether all branch transitions are represented within the user sessions
        for (int i = 0; i < branchTransitionCounter.size(); i++) {
            if (branchTransitionCounter.get(i) == 0) {
                areAllBranchesVisited = false;
                break;
            }
        }
    } while (!areAllBranchesVisited);
    return branchTransitionCounter;
}
Also used : EntryCallEvent(org.iobserve.stages.general.data.EntryCallEvent) ArrayList(java.util.ArrayList)

Example 44 with EntryCallEvent

use of org.iobserve.stages.general.data.EntryCallEvent in project iobserve-analysis by research-iobserve.

the class SimpleBranchReference method sequenceConstructor.

/**
 * Sequence constructor.
 *
 * @param branchTransitionCounter
 * @param index
 * @param entryCallSequenceModel
 * @param loopCount
 */
private static void sequenceConstructor(final List<Integer> branchTransitionCounter, final int index, final UserSessionCollectionModel entryCallSequenceModel, final int loopCount, final int start, final int end) {
    final int countOfBranchTransition = branchTransitionCounter.get(index) + 1;
    branchTransitionCounter.set(index, countOfBranchTransition);
    final EntryCallEvent entryCallEvent = new EntryCallEvent(1, 2, ReferenceUsageModelBuilder.OPERATION_SIGNATURE[start], ReferenceUsageModelBuilder.CLASS_SIGNATURE[start], String.valueOf(loopCount), "hostname");
    entryCallSequenceModel.getUserSessions().get(loopCount).add(entryCallEvent, true);
    final EntryCallEvent entryCallEvent2 = new EntryCallEvent(3, 4, ReferenceUsageModelBuilder.OPERATION_SIGNATURE[end], ReferenceUsageModelBuilder.CLASS_SIGNATURE[end], String.valueOf(loopCount), "hostname");
    entryCallSequenceModel.getUserSessions().get(loopCount).add(entryCallEvent2, true);
}
Also used : EntryCallEvent(org.iobserve.stages.general.data.EntryCallEvent)

Example 45 with EntryCallEvent

use of org.iobserve.stages.general.data.EntryCallEvent in project iobserve-analysis by research-iobserve.

the class UserSessionToModelConverter method eventsToModel.

/**
 * Converts a list of events into a behavior model
 *
 * @param events
 *            The list of events
 * @return The behavior model
 */
public static BehaviorModelGED eventsToModel(final List<EntryCallEvent> events) {
    final BehaviorModelGED model = new BehaviorModelGED();
    final Iterator<EntryCallEvent> iterator = events.iterator();
    // start with the node "init"
    BehaviorModelNode currentNode = new BehaviorModelNode("Init");
    model.getNodes().put("Init", currentNode);
    BehaviorModelNode lastNode = currentNode;
    // for all events
    while (iterator.hasNext()) {
        final PayloadAwareEntryCallEvent event = (PayloadAwareEntryCallEvent) iterator.next();
        // current node is an existing node with the same name or if non-existing a new node
        currentNode = model.getNodes().get(event.getOperationSignature());
        if (currentNode == null) {
            currentNode = new BehaviorModelNode(event.getOperationSignature());
        }
        // add node to model
        model.getNodes().put(event.getOperationSignature(), currentNode);
        // add edge to model
        UserSessionToModelConverter.addEdge(event, model, lastNode, currentNode);
        lastNode = currentNode;
    }
    return model;
}
Also used : PayloadAwareEntryCallEvent(org.iobserve.stages.general.data.PayloadAwareEntryCallEvent) BehaviorModelNode(org.iobserve.service.behavior.analysis.model.BehaviorModelNode) EntryCallEvent(org.iobserve.stages.general.data.EntryCallEvent) PayloadAwareEntryCallEvent(org.iobserve.stages.general.data.PayloadAwareEntryCallEvent) BehaviorModelGED(org.iobserve.service.behavior.analysis.model.BehaviorModelGED)

Aggregations

EntryCallEvent (org.iobserve.stages.general.data.EntryCallEvent)45 UserSession (org.iobserve.analysis.session.data.UserSession)16 ArrayList (java.util.ArrayList)10 AbstractUserAction (org.palladiosimulator.pcm.usagemodel.AbstractUserAction)8 EntryLevelSystemCall (org.palladiosimulator.pcm.usagemodel.EntryLevelSystemCall)8 ScenarioBehaviour (org.palladiosimulator.pcm.usagemodel.ScenarioBehaviour)8 Start (org.palladiosimulator.pcm.usagemodel.Start)8 Stop (org.palladiosimulator.pcm.usagemodel.Stop)8 UsageModel (org.palladiosimulator.pcm.usagemodel.UsageModel)8 UsageScenario (org.palladiosimulator.pcm.usagemodel.UsageScenario)8 EntryCallSequenceModel (org.iobserve.analysis.data.EntryCallSequenceModel)6 UserSessionCollectionModel (org.iobserve.analysis.data.UserSessionCollectionModel)6 PCMRandomVariable (org.palladiosimulator.pcm.core.PCMRandomVariable)6 Loop (org.palladiosimulator.pcm.usagemodel.Loop)6 ReferenceElements (org.iobserve.analysis.test.userbehavior.ReferenceElements)5 ReferenceElements (org.iobserve.analysis.userbehavior.ReferenceElements)5 Correspondent (org.iobserve.model.correspondence.Correspondent)4 OperationSignature (org.palladiosimulator.pcm.repository.OperationSignature)4 HashMap (java.util.HashMap)2 List (java.util.List)2