Examples with MultipleStartNodesException de.hpi.bpt.scylla.model.process.graph.exception.MultipleStartNodesException used on opensource projects

Example 1 with MultipleStartNodesException

use of de.hpi.bpt.scylla.model.process.graph.exception.MultipleStartNodesException in project scylla by bptlab.

the class ProcessModelParser method parse.

@Override
public ProcessModel parse(Element rootElement) throws ScyllaValidationException {
    Namespace bpmnNamespace = rootElement.getNamespace();
    List<Element> processElements = rootElement.getChildren("process", bpmnNamespace);
    if (processElements.isEmpty()) {
        throw new ScyllaValidationException("No process in file.");
    }
    // pool references to process models
    Map<String, String> processIdToPoolName = new HashMap<String, String>();
    Map<String, MessageFlow> messageFlows = new HashMap<String, MessageFlow>();
    Element collaboration = rootElement.getChild("collaboration", bpmnNamespace);
    if (collaboration != null) {
        for (Element el : collaboration.getChildren()) {
            String elementName = el.getName();
            if (elementName.equals("participant")) {
                if (el.getAttributeValue("processRef") != null) {
                    String participantName = el.getAttributeValue("name");
                    String processId = el.getAttributeValue("processRef");
                    processIdToPoolName.put(processId, participantName);
                }
            } else if (elementName.equals("messageFlow")) {
                String id = el.getAttributeValue("id");
                String sourceRef = el.getAttributeValue("sourceRef");
                String targetRef = el.getAttributeValue("targetRef");
                MessageFlow messageFlow = new MessageFlow(id, sourceRef, targetRef);
                messageFlows.put(id, messageFlow);
            } else {
                DebugLogger.log("Element " + el.getName() + " of collaboration not supported.");
            }
        }
    }
    Map<String, ProcessModel> processModels = new HashMap<String, ProcessModel>();
    for (Element process : processElements) {
        ProcessModel processModel = parseProcess(process, bpmnNamespace, false, commonProcessElements);
        String processId = processModel.getId();
        if (processIdToPoolName.containsKey(processId)) {
            String participant = processIdToPoolName.get(processId);
            processModel.setParticipant(participant);
        }
        processModels.put(processId, processModel);
    }
    if (processModels.size() == 1) {
        return processModels.values().iterator().next();
    } else {
        try {
            Set<ProcessModel> processModelsTriggeredInCollaboration = new HashSet<ProcessModel>();
            ProcessModel processModelTriggeredExternally = null;
            for (String processId : processModels.keySet()) {
                ProcessModel pm = processModels.get(processId);
                int startNodeId = pm.getStartNode();
                String identifierOfStartNode = pm.getIdentifiers().get(startNodeId);
                boolean isTriggeredInCollaboration = false;
                for (MessageFlow mf : messageFlows.values()) {
                    if (mf.getTargetRef().equals(identifierOfStartNode)) {
                        isTriggeredInCollaboration = true;
                        break;
                    }
                }
                if (isTriggeredInCollaboration) {
                    processModelsTriggeredInCollaboration.add(pm);
                } else {
                    if (processModelTriggeredExternally != null) {
                        throw new ScyllaValidationException("BPMN file contains multiple process models that are triggered externally.");
                    }
                    processModelTriggeredExternally = pm;
                }
            }
            processModelTriggeredExternally.setProcessModelsInCollaboration(processModelsTriggeredInCollaboration);
            return processModelTriggeredExternally;
        } catch (NodeNotFoundException | MultipleStartNodesException | NoStartNodeException e) {
            e.printStackTrace();
            throw new ScyllaValidationException(e.getMessage());
        }
    }
}

Example 2 with MultipleStartNodesException

use of de.hpi.bpt.scylla.model.process.graph.exception.MultipleStartNodesException in project scylla by bptlab.

the class BatchClusterStartEvent method eventRoutine.

@Override
public void eventRoutine(BatchCluster cluster) throws SuspendExecution {
    BatchActivity activity = cluster.getBatchActivity();
    int nodeId = activity.getNodeId();
    List<TaskBeginEvent> parentalStartEvents = cluster.getParentalStartEvents();
    // Schedule all task begin events of the process instance
    for (TaskBeginEvent pse : parentalStartEvents) {
        ProcessInstance pi = pse.getProcessInstance();
        pse.schedule(pi);
    }
    // schedule subprocess start events for all process instances in parent
    // processInstances and parentalStartEvents are ordered the same way
    // Set the responsible process instance in the batch cluster, first one by default
    cluster.setResponsibleProcessInstance(parentalStartEvents.get(0).getProcessInstance());
    // Go through all process instances. If it's the first one, schedule it. If not, save it to be scheduled later on
    for (int j = 0; j < parentalStartEvents.size(); j++) {
        TaskBeginEvent startEvent = parentalStartEvents.get(j);
        ProcessInstance responsibleProcessInstance = startEvent.getProcessInstance();
        int processInstanceId = responsibleProcessInstance.getId();
        boolean showInTrace = responsibleProcessInstance.traceIsOn();
        SimulationModel model = (SimulationModel) responsibleProcessInstance.getModel();
        String source = startEvent.getSource();
        TimeInstant currentSimulationTime = cluster.presentTime();
        ProcessSimulationComponents pSimComponentsOfSubprocess = cluster.getProcessSimulationComponents().getChildren().get(nodeId);
        ProcessModel subprocess = pSimComponentsOfSubprocess.getProcessModel();
        try {
            Integer startNodeId = subprocess.getStartNode();
            ProcessInstance subprocessInstance = new ProcessInstance(model, subprocess, processInstanceId, showInTrace);
            subprocessInstance.setParent(responsibleProcessInstance);
            ScyllaEvent subprocessEvent = new BPMNStartEvent(model, source, currentSimulationTime, pSimComponentsOfSubprocess, subprocessInstance, startNodeId);
            System.out.println("Created BPMNStartEvent for PI " + subprocessInstance.getId() + " / " + responsibleProcessInstance.getId() + " in Batch Cluster");
            if (j == 0) {
                // If it is the first process instance, schedule it...
                subprocessEvent.schedule(subprocessInstance);
                cluster.setStartNodeId(startNodeId);
            } else {
                // ...if not, save them for later
                cluster.addPIEvent(startNodeId, subprocessEvent, subprocessInstance);
            }
        } catch (NodeNotFoundException | MultipleStartNodesException | NoStartNodeException e) {
            DebugLogger.log("Start node of process model " + subprocess.getId() + " not found.");
            System.err.println(e.getMessage());
            e.printStackTrace();
            SimulationUtils.abort(model, responsibleProcessInstance, nodeId, traceIsOn());
            return;
        }
    }
    // move batch cluster from list of not started ones to running ones
    BatchPluginUtils pluginInstance = BatchPluginUtils.getInstance();
    pluginInstance.setClusterToRunning(cluster);
// next node and timespan to next event determined by responsible process instance
// tasks resources only assigned to responsible subprocess instance
// only responsible subprocess instance is simulated
// other subprocess instances of batch are covered in process logs
}

Example 3 with MultipleStartNodesException

use of de.hpi.bpt.scylla.model.process.graph.exception.MultipleStartNodesException in project scylla by bptlab.

the class BPMNTimerPIGEPlugin method eventRoutine.

@Override
public void eventRoutine(ProcessInstanceGenerationEvent desmojEvent, ProcessInstance processInstance) throws ScyllaRuntimeException {
    SimulationModel model = (SimulationModel) desmojEvent.getModel();
    String processId = desmojEvent.getProcessId();
    ProcessSimulationComponents desmojObjects = model.getDesmojObjectsMap().get(processId);
    ProcessModel processModel = desmojObjects.getProcessModel();
    Integer startNodeId;
    try {
        startNodeId = processModel.getStartNode();
        if (desmojObjects.getDistributions().get(startNodeId) == null) {
            // no arrival rate defined, check if start event is timer event and use value from there
            Map<EventDefinitionType, Map<String, String>> eventDefinitions = processModel.getEventDefinitions().get(startNodeId);
            Map<String, String> definitionAttributes = eventDefinitions.get(EventDefinitionType.TIMER);
            if (definitionAttributes != null) {
                // if start event is timer event
                // ISO 8601 duration
                String timeDuration = definitionAttributes.get("timeCycle");
                if (timeDuration == null) {
                    String identifier = processModel.getIdentifiers().get(startNodeId);
                    DebugLogger.log("Timer event " + identifier + " has no timer definition, skip.");
                } else // TODO support timeDate and timeDuration attributes?
                {
                    Duration javaDuration = Duration.parse(timeDuration);
                    long duration = javaDuration.get(ChronoUnit.SECONDS);
                    TimeUnit unit = TimeUnit.SECONDS;
                    TimeSpan timeSpan = new TimeSpan(duration, unit);
                    desmojEvent.setTimeSpanToNextProcessInstance(timeSpan);
                }
            }
        }
    } catch (NodeNotFoundException | MultipleStartNodesException | NoStartNodeException e) {
        DebugLogger.error(e.getMessage());
        DebugLogger.log("Error during instantiation of process model " + processModel.getId() + ".");
    }
}

Example 4 with MultipleStartNodesException

use of de.hpi.bpt.scylla.model.process.graph.exception.MultipleStartNodesException in project scylla by bptlab.

the class SubprocessTBPlugin method eventRoutine.

@Override
public void eventRoutine(TaskBeginEvent desmojEvent, ProcessInstance processInstance) throws ScyllaRuntimeException {
    ProcessModel processModel = processInstance.getProcessModel();
    int nodeId = desmojEvent.getNodeId();
    ProcessModel subProcess = processModel.getSubProcesses().get(nodeId);
    if (subProcess != null) {
        int indexOfTaskTerminateEvent = 0;
        desmojEvent.getTimeSpanToNextEventMap().remove(indexOfTaskTerminateEvent);
        TaskTerminateEvent event = (TaskTerminateEvent) desmojEvent.getNextEventMap().get(indexOfTaskTerminateEvent);
        String name = processInstance.getName();
        SubprocessPluginUtils pluginInstance = SubprocessPluginUtils.getInstance();
        Map<Integer, TaskTerminateEvent> eventsOnHoldMap = pluginInstance.getEventsOnHold().get(name);
        if (eventsOnHoldMap == null) {
            pluginInstance.getEventsOnHold().put(name, new HashMap<Integer, TaskTerminateEvent>());
        }
        pluginInstance.getEventsOnHold().get(name).put(nodeId, event);
        desmojEvent.getNextEventMap().remove(indexOfTaskTerminateEvent);
        String source = desmojEvent.getSource();
        ProcessSimulationComponents desmojObjects = desmojEvent.getDesmojObjects();
        SimulationModel model = (SimulationModel) desmojEvent.getModel();
        TimeInstant currentSimulationTime = model.presentTime();
        boolean showInTrace = model.traceIsOn();
        int processInstanceId = processInstance.getId();
        try {
            ProcessSimulationComponents desmojObjectsOfSubProcess = desmojObjects.getChildren().get(nodeId);
            Integer startNodeId = subProcess.getStartNode();
            ProcessInstance subProcessInstance = new ProcessInstance(model, subProcess, processInstanceId, showInTrace);
            subProcessInstance.setParent(processInstance);
            ScyllaEvent subProcessEvent = new BPMNStartEvent(model, source, currentSimulationTime, desmojObjectsOfSubProcess, subProcessInstance, startNodeId);
            TimeSpan timeSpan = new TimeSpan(0);
            int index = desmojEvent.getNewEventIndex();
            desmojEvent.getNextEventMap().put(index, subProcessEvent);
            desmojEvent.getTimeSpanToNextEventMap().put(index, timeSpan);
        } catch (NodeNotFoundException | MultipleStartNodesException | NoStartNodeException e) {
            DebugLogger.error(e.getMessage());
            DebugLogger.log("Start node of process model " + subProcess.getId() + " not found.");
            throw new ScyllaRuntimeException("Start node of process model " + subProcess.getId() + " not found.");
        }
    }
}

Example 5 with MultipleStartNodesException

use of de.hpi.bpt.scylla.model.process.graph.exception.MultipleStartNodesException in project scylla by bptlab.

the class ProcessInstanceGenerationEvent method eventRoutine.

// TODO XSD validation
// TODO fixed cost per task
@Override
public void eventRoutine(ProcessInstance processInstance) throws SuspendExecution {
    this.processInstance = processInstance;
    SimulationModel model = (SimulationModel) getModel();
    TimeInstant currentSimulationTime = model.presentTime();
    TimeUnit timeUnit = DateTimeUtils.getReferenceTimeUnit();
    long currentTime = currentSimulationTime.getTimeRounded(timeUnit);
    if (currentTime >= endTimeRelativeToGlobalStart) {
        // if the end time is reached
        return;
    }
    boolean showInTrace = traceIsOn();
    String name = getName();
    ProcessSimulationComponents desmojObjects = model.getDesmojObjectsMap().get(processId);
    ProcessModel processModel = desmojObjects.getProcessModel();
    try {
        Integer startNodeId = processModel.getStartNode();
        timeSpanToStartEvent = new TimeSpan(0);
        ProcessInstanceGenerationEventPluggable.runPlugins(this, processInstance);
        BPMNStartEvent event = new BPMNStartEvent(model, name, currentSimulationTime, desmojObjects, processInstance, startNodeId);
        int processInstanceId = desmojObjects.incrementProcessInstancesStarted();
        // schedule next process instance start event
        if (processInstanceId <= desmojObjects.getSimulationConfiguration().getNumberOfProcessInstances()) {
            double duration = desmojObjects.getDistributionSample(startNodeId);
            TimeUnit unit = desmojObjects.getDistributionTimeUnit(startNodeId);
            ProcessInstance nextProcessInstance = new ProcessInstance(model, processModel, processInstanceId, showInTrace);
            timeSpanToNextProcessInstance = new TimeSpan(duration, unit);
            ProcessInstanceGenerationEvent nextEvent = new ProcessInstanceGenerationEvent(model, processId, endTimeRelativeToGlobalStart, showInTrace);
            nextEvent.schedule(nextProcessInstance, timeSpanToNextProcessInstance);
        }
        // schedule for start of simulation
        event.schedule(processInstance, timeSpanToStartEvent);
    } catch (NodeNotFoundException | MultipleStartNodesException | NoStartNodeException | ScyllaRuntimeException e) {
        DebugLogger.error(e.getMessage());
        e.printStackTrace();
        DebugLogger.log("Error during instantiation of process model " + processModel.getId() + ".");
        // no node initialized, use zero
        int nodeId = 0;
        SimulationUtils.abort(model, processInstance, nodeId, showInTrace);
    }
}