Examples with ProcessInstance de.hpi.bpt.scylla.simulation.ProcessInstance used on opensource projects

Example 11 with ProcessInstance

use of de.hpi.bpt.scylla.simulation.ProcessInstance in project scylla by bptlab.

the class ProcessSimulationStopEvent method eventRoutine.

@Override
public void eventRoutine() throws SuspendExecution {
    SimulationModel model = (SimulationModel) getModel();
    Set<Integer> idsOfProcessInstancesToAbort = QueueManager.clearEventQueuesByProcessId(model, processId);
    try {
        ProcessSimulationStopEventPluggable.runPlugins(this);
        // we do not have any submodels
        boolean includeSubmodels = false;
        List<Entity> entities = model.getEntities(includeSubmodels);
        for (Entity entity : entities) {
            if (entity instanceof ProcessInstance) {
                ProcessInstance processInstance = (ProcessInstance) entity;
                if (processInstance.isScheduled() && processId.equals(processInstance.getProcessModel().getId())) {
                    processInstance.cancel();
                    idsOfProcessInstancesToAbort.add(processInstance.getId());
                }
            } else {
                DebugLogger.log("Found unsupported DesmoJ entity: " + entity.getName());
            }
        }
        for (Integer id : idsOfProcessInstancesToAbort) {
            DebugLogger.log("Abort process instance " + id + " of process " + processId + ".");
        }
        if (idsOfProcessInstancesToAbort.size() > 0) {
            DebugLogger.log("End time of process " + processId + " reached.");
        }
        if (model.getEndDateTime() != null) {
            long currentTime = model.presentTime().getTimeRounded(DateTimeUtils.getReferenceTimeUnit());
            long simulationEndTime = DateTimeUtils.getDuration(model.getStartDateTime(), model.getEndDateTime());
            if (simulationEndTime == currentTime) {
                model.getExperiment().stop(new TimeInstant(currentTime + 1));
            }
        }
    } catch (ScyllaRuntimeException e) {
        throw new RuntimeException(e);
    }
}

Example 12 with ProcessInstance

use of de.hpi.bpt.scylla.simulation.ProcessInstance in project scylla by bptlab.

the class SimulationUtils method scheduleEvent.

/**
 * Schedules given DesmoJ event.
 *
 * @param model
 *            the simulation model which the event is attached to
 * @param processInstance
 *            the entity which the event is scheduled for
 * @param processInstanceId
 *            the identifier of the process instance (= entity)
 * @param event
 *            the DesmoJ event to be scheduled
 * @param timeSpan
 *            the time which the event is scheduled for, relatively to the simulation time
 * @throws SuspendExecution
 * @throws ScyllaRuntimeException
 */
public static void scheduleEvent(ScyllaEvent event, TimeSpan timeSpan) throws ScyllaRuntimeException {
    boolean normalBehavior = EventSchedulingPluggable.runPlugins(event, timeSpan);
    if (normalBehavior) {
        ProcessInstance processInstance = event.getProcessInstance();
        event.schedule(processInstance, timeSpan);
    }
}

Example 13 with ProcessInstance

use of de.hpi.bpt.scylla.simulation.ProcessInstance in project scylla by bptlab.

the class BPMNEscalationBPMNEEPlugin method eventRoutine.

@Override
public void eventRoutine(BPMNEndEvent desmojEvent, ProcessInstance processInstance) throws ScyllaRuntimeException {
    SimulationModel model = (SimulationModel) desmojEvent.getModel();
    ProcessModel processModel = processInstance.getProcessModel();
    int nodeId = desmojEvent.getNodeId();
    Map<EventDefinitionType, Map<String, String>> definitions = processModel.getEventDefinitions().get(nodeId);
    ProcessSimulationComponents desmojObjects = desmojEvent.getDesmojObjects();
    boolean showInTrace = model.traceIsOn();
    try {
        for (EventDefinitionType definition : definitions.keySet()) {
            if (definition == EventDefinitionType.ESCALATION) {
                if (processModel.getParent() != null) {
                    Map<String, String> eventAttributes = processModel.getEventDefinitions().get(nodeId).get(definition);
                    String escalationRef = eventAttributes.get("escalationRef");
                    // Map<String, Map<String, String>> escalations =
                    // model.getCommonProcessElements().getEscalations();
                    // Map<String, String> escalation = escalations.get("escalationRef");
                    ProcessSimulationComponents parentDesmojObjects = desmojObjects.getParent();
                    ProcessModel parentModel = processModel.getParent();
                    int nodeIdInParent = processModel.getNodeIdInParent();
                    Integer nextNodeId = null;
                    // find boundary event of parentModel which has the same escalationRef
                    List<Integer> referencesToBoundaryEvents = parentModel.getReferencesToBoundaryEvents().get(nodeIdInParent);
                    for (int nId : referencesToBoundaryEvents) {
                        Map<EventDefinitionType, Map<String, String>> boundaryEventDefinitions = parentModel.getEventDefinitions().get(nId);
                        Map<String, String> boundaryEscalationEventDefinition = boundaryEventDefinitions.get(EventDefinitionType.ESCALATION);
                        if (boundaryEscalationEventDefinition != null) {
                            if (escalationRef.equals(boundaryEscalationEventDefinition.get("escalationRef"))) {
                                nextNodeId = nId;
                                break;
                            }
                        }
                    }
                    if (nextNodeId == null) {
                        DebugLogger.error("Could not find referenced escalation " + escalationRef + ".");
                        SimulationUtils.abort(model, processInstance, nodeId, showInTrace);
                        return;
                    }
                    ProcessInstance parentProcessInstance = processInstance.getParent();
                    List<ScyllaEvent> events = SimulationUtils.createEventsForNextNode(desmojEvent, parentDesmojObjects, parentProcessInstance, nextNodeId);
                    TimeSpan timeSpan = new TimeSpan(0);
                    /**
                     * first event in the map is the node that comes after the subprocess when normal behavior
                     * applies, so remove it;
                     */
                    int indexOfTaskTerminateEvent = 0;
                    desmojEvent.getNextEventMap().remove(indexOfTaskTerminateEvent);
                    desmojEvent.getTimeSpanToNextEventMap().remove(indexOfTaskTerminateEvent);
                    for (ScyllaEvent event : events) {
                        int index = desmojEvent.getNewEventIndex();
                        desmojEvent.getNextEventMap().put(index, event);
                        desmojEvent.getTimeSpanToNextEventMap().put(index, timeSpan);
                    }
                    processInstance.cancel();
                }
            }
        }
    } catch (NodeNotFoundException | ScyllaValidationException e) {
        DebugLogger.error(e.getMessage());
        e.printStackTrace();
        SimulationUtils.abort(model, processInstance, nodeId, showInTrace);
    }
}

Example 14 with ProcessInstance

use of de.hpi.bpt.scylla.simulation.ProcessInstance in project scylla by bptlab.

the class EventArrivalRateSchedulingPlugin method scheduleEvent.

/**
 * Gets a sample of the arrival rate distribution for this event, if existing,
 * and schedules the event displaced by this value.
 */
@Override
public boolean scheduleEvent(ScyllaEvent event, TimeSpan timeSpan) throws ScyllaRuntimeException {
    ProcessSimulationComponents pSimComponents = event.getDesmojObjects();
    Map<Integer, Object> arrivalRates = pSimComponents.getExtensionDistributions().get(getName());
    @SuppressWarnings("unchecked") SimpleEntry<NumericalDist<?>, TimeUnit> arrivalRate = (SimpleEntry<NumericalDist<?>, TimeUnit>) arrivalRates.get(event.getNodeId());
    if (arrivalRate != null) {
        NumericalDist<?> distribution = arrivalRate.getKey();
        TimeUnit timeUnit = arrivalRate.getValue();
        ProcessInstance processInstance = event.getProcessInstance();
        TimeSpan offset = new TimeSpan(distribution.sample().doubleValue(), timeUnit);
        TimeSpan newTime = new TimeSpan(timeSpan.getTimeAsDouble() + offset.getTimeAsDouble());
        event.schedule(processInstance, newTime);
        return false;
    }
    return true;
}

Example 15 with ProcessInstance

use of de.hpi.bpt.scylla.simulation.ProcessInstance in project scylla by bptlab.

the class SubprocessBPMNEEPlugin method eventRoutine.

@Override
public void eventRoutine(BPMNEndEvent desmojEvent, ProcessInstance processInstance) throws ScyllaRuntimeException {
    ProcessModel processModel = processInstance.getProcessModel();
    if (processModel.getParent() != null && processInstanceIsCompleted(processInstance)) {
        // works
        try {
            ProcessSimulationComponents desmojObjects = desmojEvent.getDesmojObjects();
            ProcessSimulationComponents parentDesmojObjects = desmojObjects.getParent();
            ProcessModel parentModel = processModel.getParent();
            int nodeIdInParent = processModel.getNodeIdInParent();
            ProcessInstance parentProcessInstance = processInstance.getParent();
            // behavior when sub-process sends events:
            // none -> back to normal flow
            // message -> "send it"
            // error -> to parent
            // escalation -> to parent
            // cancel -> nonono!
            // compensation -> ... not now
            // signal -> ... not now
            // terminate -> terminate sub-process (kill all events of sub-process instance (MI sub-process
            // not affected))
            // ...
            // timer -> special treatment
            Set<Integer> idsOfNextNodes = parentModel.getIdsOfNextNodes(nodeIdInParent);
            // normal flow: must not have more than one successor
            if (idsOfNextNodes.size() != 1) {
                int nodeId = desmojEvent.getNodeId();
                throw new ScyllaValidationException("Subprocess " + nodeId + " does not have 1 successor, but " + idsOfNextNodes.size() + ".");
            }
            Integer nextNodeId = idsOfNextNodes.iterator().next();
            // TODO let the parent create the next node, so remove the lines below
            List<ScyllaEvent> events = SimulationUtils.createEventsForNextNode(desmojEvent, parentDesmojObjects, parentProcessInstance, nextNodeId);
            // next event occurs immediately after start event
            TimeSpan timeSpan = new TimeSpan(0);
            String parentProcessInstanceName = parentProcessInstance.getName();
            SubprocessPluginUtils pluginInstance = SubprocessPluginUtils.getInstance();
            TaskTerminateEvent eventOfParent = pluginInstance.getEventsOnHold().get(parentProcessInstanceName).get(nodeIdInParent);
            if (eventOfParent != null) {
                events.add(eventOfParent);
                pluginInstance.getEventsOnHold().get(parentProcessInstanceName).remove(nodeIdInParent);
                pluginInstance.getNameOfEventsThatWereOnHold().add(eventOfParent.getName());
            }
            for (ScyllaEvent event : events) {
                int index = desmojEvent.getNewEventIndex();
                desmojEvent.getNextEventMap().put(index, event);
                desmojEvent.getTimeSpanToNextEventMap().put(index, timeSpan);
            }
        } catch (NodeNotFoundException | ScyllaValidationException | ScyllaRuntimeException e) {
            SimulationModel model = (SimulationModel) desmojEvent.getModel();
            int nodeId = desmojEvent.getNodeId();
            boolean showInTrace = model.traceIsOn();
            DebugLogger.error(e.getMessage());
            e.printStackTrace();
            SimulationUtils.abort(model, processInstance, nodeId, showInTrace);
        }
    }
}