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

Example 41 with SimulationModel

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

the class TaskTerminateEvent method addToLog.

@Override
protected void addToLog(ProcessInstance processInstance) {
    long timestamp = Math.round(getModel().presentTime().getTimeRounded(DateTimeUtils.getReferenceTimeUnit()));
    String taskName = displayName;
    Set<String> resources = new HashSet<String>();
    Set<ResourceObject> resourceObjects = processInstance.getAssignedResources().get(source).getResourceObjects();
    for (ResourceObject res : resourceObjects) {
        String resourceName = res.getResourceType() + "_" + res.getId();
        resources.add(resourceName);
    }
    ProcessNodeTransitionType transition = ProcessNodeTransitionType.TERMINATE;
    SimulationModel model = (SimulationModel) getModel();
    if (!alreadyCanceled(model)) {
        ProcessModel processModel = processInstance.getProcessModel();
        String processScopeNodeId = SimulationUtils.getProcessScopeNodeId(processModel, nodeId);
        ProcessNodeInfo info = new ProcessNodeInfo(nodeId, processScopeNodeId, source, timestamp, taskName, resources, transition);
        model.addNodeInfo(processModel, processInstance, info);
    }
}

Example 42 with SimulationModel

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

the class DateTimeUtils method getTaskTerminationTime.

/**
 * Calculates the relative end time of a task. Consideres timetables of resources instances. If any resource
 * instance is idle, the duration is extended by the idle time.
 *
 * @param timeSpan
 *            the original duration of the task without any interruptions
 * @param presentTime
 *            current simulation time
 * @param tuple
 *            resource instances assigned to the task
 * @param event
 *            source event (for logging purposes)
 * @return the end time of the task
 */
public static TimeInstant getTaskTerminationTime(TimeSpan timeSpan, TimeInstant presentTime, ResourceObjectTuple tuple, ScyllaEvent event) {
    SimulationModel model = (SimulationModel) event.getModel();
    ProcessInstance processInstance = event.getProcessInstance();
    ProcessModel processModel = processInstance.getProcessModel();
    String source = event.getSource();
    String taskName = event.getDisplayName();
    int nodeId = event.getNodeId();
    String processScopeNodeId = SimulationUtils.getProcessScopeNodeId(processModel, nodeId);
    Set<String> resources = new HashSet<String>();
    Set<ResourceObject> resourceObjects = tuple.getResourceObjects();
    for (ResourceObject res : resourceObjects) {
        String resourceName = res.getResourceType() + "_" + res.getId();
        resources.add(resourceName);
    }
    // start
    long duration = timeSpan.getTimeRounded(timeUnit);
    if (duration == 0) {
        return presentTime;
    }
    ZonedDateTime dateTime = DateTimeUtils.getDateTime(presentTime);
    List<TimetableItem> timetable = tuple.getSharedTimetable();
    if (timetable == null) {
        return new TimeInstant(presentTime.getTimeRounded(timeUnit) + duration);
    }
    Integer index = null;
    for (int i = 0; i < timetable.size(); i++) {
        TimetableItem item = timetable.get(i);
        if (isWithin(dateTime, item)) {
            index = i;
            break;
        }
    }
    long timePassed = 0;
    while (timePassed < duration) {
        TimetableItem item = timetable.get(index);
        DayOfWeek untilWeekday = item.getWeekdayTo();
        LocalTime untilTime = item.getEndTime();
        ZonedDateTime dateTimeUntilEnd = getNextOrSameZonedDateTime(dateTime, untilWeekday, untilTime);
        long durationUntilEnd = chronoUnit.between(dateTime, dateTimeUntilEnd);
        long amountToAdd;
        if (timePassed + durationUntilEnd >= duration) {
            // task completes in current timetable item
            amountToAdd = duration - timePassed;
        } else {
            // until end of timetable item
            amountToAdd = durationUntilEnd;
        }
        timePassed += amountToAdd;
        dateTime = dateTime.plus(amountToAdd, chronoUnit);
        if (timePassed + durationUntilEnd < duration) {
            // task is not completed in current timetable item, so jump to the start of the next timetable item
            if (model.isOutputLoggingOn()) {
                // log idle during use
                ResourceStatus status = ResourceStatus.IN_USE_IDLE;
                long timeRelativeToStart = getTimeInstant(dateTime).getTimeRounded(timeUnit);
                ResourceInfo info = new ResourceInfo(timeRelativeToStart, status, processInstance, nodeId);
                for (ResourceObject obj : tuple.getResourceObjects()) {
                    String resourceType = obj.getResourceType();
                    String resourceId = obj.getId();
                    model.addResourceInfo(resourceType, resourceId, info);
                }
                ProcessNodeTransitionType transition = ProcessNodeTransitionType.PAUSE;
                ProcessNodeInfo nodeInfo = new ProcessNodeInfo(nodeId, processScopeNodeId, source, timeRelativeToStart, taskName, resources, transition);
                model.addNodeInfo(processModel, processInstance, nodeInfo);
            }
            index++;
            if (index == timetable.size()) {
                index = 0;
            }
            TimetableItem nextItem = timetable.get(index);
            untilWeekday = nextItem.getWeekdayFrom();
            untilTime = nextItem.getBeginTime();
            dateTime = getNextZonedDateTime(dateTime, untilWeekday, untilTime);
            if (model.isOutputLoggingOn()) {
                // log back to work
                ResourceStatus status = ResourceStatus.IN_USE;
                long timeRelativeToStart = getTimeInstant(dateTime).getTimeRounded(timeUnit);
                ResourceInfo info = new ResourceInfo(timeRelativeToStart, status, processInstance, nodeId);
                for (ResourceObject obj : tuple.getResourceObjects()) {
                    String resourceType = obj.getResourceType();
                    String resourceId = obj.getId();
                    model.addResourceInfo(resourceType, resourceId, info);
                }
                ProcessNodeTransitionType transition = ProcessNodeTransitionType.RESUME;
                ProcessNodeInfo nodeInfo = new ProcessNodeInfo(nodeId, processScopeNodeId, source, timeRelativeToStart, taskName, resources, transition);
                model.addNodeInfo(processModel, processInstance, nodeInfo);
            }
        }
    }
    TimeInstant timeInstant = getTimeInstant(dateTime);
    return timeInstant;
}

Example 43 with SimulationModel

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

the class SimulationManager method run.

/**
 * parses input, runs DesmoJ simulation experiment, writes BPS output logs
 */
public String run() {
    try {
        SAXBuilder builder = new SAXBuilder();
        if (globalConfigurationFilename == null || globalConfigurationFilename.isEmpty()) {
            throw new ScyllaValidationException("No global configuration provided.");
        } else {
            // parse global configuration XML
            Document gcDoc = builder.build(globalConfigurationFilename);
            Element gcRootElement = gcDoc.getRootElement();
            GlobalConfigurationParser globalConfigurationParser = new GlobalConfigurationParser(this);
            globalConfiguration = globalConfigurationParser.parse(gcDoc.getRootElement());
            String fileNameWithoutExtension = // filename.lastIndexOf("\\") +
            globalConfigurationFilename.substring(// 1,
            globalConfigurationFilename.lastIndexOf(Scylla.FILEDELIM) + 1, globalConfigurationFilename.lastIndexOf(".xml"));
            globalConfiguration.setFileNameWithoutExtension(fileNameWithoutExtension);
            // plugins to parse global configuration
            GlobalConfigurationParserPluggable.runPlugins(this, globalConfiguration, gcRootElement);
            DateTimeUtils.setZoneId(globalConfiguration.getZoneId());
        }
        CommonProcessElementsParser cpeParser = new CommonProcessElementsParser(this);
        for (String filename : processModelFilenames) {
            Document pmDoc = builder.build(filename);
            Element pmRootElement = pmDoc.getRootElement();
            // parse common process elements from XML (BPMN)
            CommonProcessElements commonProcessElementsFromFile = cpeParser.parse(pmRootElement);
            String fileNameWithoutExtension = // filename.lastIndexOf("\\") + 1,
            filename.substring(filename.lastIndexOf(Scylla.FILEDELIM) + 1, filename.lastIndexOf(".bpmn"));
            commonProcessElementsFromFile.setBpmnFileNameWithoutExtension(fileNameWithoutExtension);
            // plugins to parse common process elements
            CommonProcessElementsParserPluggable.runPlugins(this, commonProcessElementsFromFile, pmRootElement);
            // parse process model(s) from XML (BPMN)
            ProcessModelParser pmParser = new ProcessModelParser(this);
            pmParser.setCommonProcessElements(commonProcessElementsFromFile);
            ProcessModel processModelFromFile = pmParser.parse(pmDoc.getRootElement());
            String processId = processModelFromFile.getId();
            if (processModels.containsKey(processId)) {
                throw new ScyllaValidationException("Duplicate process model with id " + processId + ".");
            }
            // plugins to parse process model(s)
            ProcessModelParserPluggable.runPlugins(this, processModelFromFile, pmRootElement);
            processModels.put(processId, processModelFromFile);
            commonProcessElements.put(processId, commonProcessElementsFromFile);
        }
        SimulationConfigurationParser simParser = new SimulationConfigurationParser(this);
        // parse each simulation configuration XML
        for (String filename : simulationConfigurationFilenames) {
            Document scDoc = builder.build(filename);
            SimulationConfiguration simulationConfigurationFromFile = simParser.parse(scDoc.getRootElement());
            String processId = simulationConfigurationFromFile.getProcessModel().getId();
            if (simulationConfigurations.containsKey(processId)) {
                throw new ScyllaValidationException("Multiple simulation configurations for process with id " + processId + ".");
            }
            // plugins to parse simulation configuration
            SimulationConfigurationParserPluggable.runPlugins(this, simulationConfigurationFromFile, scDoc);
            simulationConfigurations.put(processId, simulationConfigurationFromFile);
        }
    } catch (JDOMException | IOException | ScyllaValidationException e) {
        DebugLogger.error(e.getMessage());
        e.printStackTrace();
    }
    // TODO validate resources in process models (i.e. check if they are all covered in resource data)
    TimeUnit epsilon = TimeUnit.SECONDS;
    DateTimeUtils.setReferenceTimeUnit(epsilon);
    String experimentName = Long.toString((new Date()).getTime());
    Experiment.setEpsilon(epsilon);
    Experiment exp = new Experiment(experimentName, experimentOutputFolder);
    exp.setShowProgressBar(false);
    // XXX each simulation configuration may have its own seed
    Long randomSeed = globalConfiguration.getRandomSeed();
    if (randomSeed != null) {
        exp.setSeedGenerator(randomSeed);
    } else {
        exp.setSeedGenerator((new Random()).nextLong());
    }
    SimulationModel sm = new SimulationModel(null, globalConfiguration, commonProcessElements, processModels, simulationConfigurations, enableBpsLogging, enableDesLogging);
    sm.connectToExperiment(exp);
    int lambda = 1;
    if (sm.getEndDateTime() != null) {
        // have to use time which is slightly after intended end time (epsilon)
        // otherwise the AbortProcessSimulationEvent(s) may not fire
        long simulationDuration = DateTimeUtils.getDuration(sm.getStartDateTime(), sm.getEndDateTime());
        TimeInstant simulationTimeInstant = new TimeInstant(simulationDuration + lambda, epsilon);
        exp.stop(simulationTimeInstant);
        exp.tracePeriod(new TimeInstant(0), simulationTimeInstant);
        exp.debugPeriod(new TimeInstant(0), simulationTimeInstant);
    } else {
        exp.traceOn(new TimeInstant(0));
        exp.debugOn(new TimeInstant(0));
    }
    if (!enableDesLogging) {
        exp.debugOff(new TimeInstant(0));
        exp.traceOff(new TimeInstant(0));
    }
    exp.start();
    exp.report();
    exp.finish();
    try {
        // log process execution
        // log resources, process, tasks
        StringBuilder strb = new StringBuilder(globalConfigurationFilename.substring(0, globalConfigurationFilename.lastIndexOf(Scylla.FILEDELIM) + 1));
        outputPath = strb.substring(0, strb.lastIndexOf(Scylla.FILEDELIM) + 1) + "output_" + new SimpleDateFormat("yy_MM_dd_HH_mm_ss").format(new Date()) + Scylla.FILEDELIM;
        File outputPathFolder = new File(outputPath);
        if (!outputPathFolder.exists())
            outputPathFolder.mkdir();
        OutputLoggerPluggable.runPlugins(sm, outputPath);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return outputPath;
}

Example 44 with SimulationModel

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

the class BatchPluginUtils method logTaskEventForNonResponsiblePI.

// If the execution type is parallel this makes the entry for the not really simulated process instances for tasks
void logTaskEventForNonResponsiblePI(TaskEvent event, ProcessInstance processInstance) throws ScyllaRuntimeException {
    ProcessInstance parentProcessInstance = processInstance.getParent();
    if (parentProcessInstance != null) {
        ProcessModel processModel = processInstance.getProcessModel();
        int parentNodeId = processModel.getNodeIdInParent();
        BatchPluginUtils pluginInstance = BatchPluginUtils.getInstance();
        BatchCluster cluster = pluginInstance.getRunningCluster(parentProcessInstance, parentNodeId);
        if (cluster != null && cluster.getBatchActivity().getExecutionType().equals(BatchClusterExecutionType.PARALLEL)) {
            SimulationModel model = (SimulationModel) event.getModel();
            long timestamp = Math.round(model.presentTime().getTimeRounded(DateTimeUtils.getReferenceTimeUnit()));
            String taskName = event.getDisplayName();
            int nodeId = event.getNodeId();
            String processScopeNodeId = SimulationUtils.getProcessScopeNodeId(processModel, nodeId);
            String source = event.getSource();
            ProcessNodeTransitionType transition;
            Set<String> resources = new HashSet<String>();
            if (event instanceof TaskEnableEvent) {
                transition = ProcessNodeTransitionType.ENABLE;
            } else if (event instanceof TaskBeginEvent) {
                transition = ProcessNodeTransitionType.BEGIN;
                Set<ResourceObject> resourceObjects = processInstance.getAssignedResources().get(source).getResourceObjects();
                for (ResourceObject res : resourceObjects) {
                    String resourceName = res.getResourceType() + "_" + res.getId();
                    resources.add(resourceName);
                }
                tasksAndResources.put(source, resources);
            } else if (event instanceof TaskCancelEvent) {
                transition = ProcessNodeTransitionType.CANCEL;
                resources = tasksAndResources.get(source);
                tasksAndResources.remove(source);
            } else if (event instanceof TaskTerminateEvent) {
                transition = ProcessNodeTransitionType.TERMINATE;
                resources = tasksAndResources.get(source);
                tasksAndResources.remove(source);
            } else {
                throw new ScyllaRuntimeException("Task event type not supported.");
            }
            int sourceSuffix = 0;
            List<ProcessInstance> processInstances = cluster.getProcessInstances();
            for (ProcessInstance pi : processInstances) {
                if (!processInstance.getParent().equals(pi)) {
                    // the source attribute comes from an event, but we did not really simulate the events for the
                    // non-responsible process instances, so we mock a source attribute value
                    String mockSource = source + "##" + ++sourceSuffix;
                    ProcessNodeInfo info;
                    info = new ProcessNodeInfo(nodeId, processScopeNodeId, mockSource, timestamp, taskName, resources, transition);
                    model.addNodeInfo(processModel, pi, info);
                }
            }
        }
    }
}

Example 45 with SimulationModel

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

the class BatchPluginUtils method logBPMNEventForNonResponsiblePI.

// If the execution type is parallel this makes the entry for the not really simulated process instances for events
void logBPMNEventForNonResponsiblePI(BPMNEvent event, ProcessInstance processInstance) {
    ProcessInstance parentProcessInstance = processInstance.getParent();
    if (parentProcessInstance != null) {
        ProcessModel processModel = processInstance.getProcessModel();
        int parentNodeId = processModel.getNodeIdInParent();
        BatchPluginUtils pluginInstance = BatchPluginUtils.getInstance();
        BatchCluster cluster = pluginInstance.getRunningCluster(parentProcessInstance, parentNodeId);
        if (cluster != null && cluster.hasExecutionType(BatchClusterExecutionType.PARALLEL)) {
            SimulationModel model = (SimulationModel) event.getModel();
            long timestamp = Math.round(model.presentTime().getTimeRounded(DateTimeUtils.getReferenceTimeUnit()));
            Set<String> resources = new HashSet<String>();
            String taskName = event.getDisplayName();
            int nodeId = event.getNodeId();
            String processScopeNodeId = SimulationUtils.getProcessScopeNodeId(processModel, nodeId);
            String source = event.getSource();
            int sourceSuffix = 0;
            List<ProcessInstance> processInstances = cluster.getProcessInstances();
            for (ProcessInstance pi : processInstances) {
                if (!processInstance.getParent().equals(pi)) {
                    // the source attribute comes from an event, but we did not really simulate the events for the
                    // non-responsible process instances, so we mock a source attribute value
                    String mockSource = source + "##" + ++sourceSuffix;
                    ProcessNodeInfo info;
                    info = new ProcessNodeInfo(nodeId, processScopeNodeId, mockSource, timestamp, taskName, resources, ProcessNodeTransitionType.EVENT_BEGIN);
                    model.addNodeInfo(processModel, pi, info);
                    info = new ProcessNodeInfo(nodeId, processScopeNodeId, mockSource, timestamp, taskName, resources, ProcessNodeTransitionType.EVENT_TERMINATE);
                    model.addNodeInfo(processModel, pi, info);
                }
            }
        }
    }
}