Examples with DiscreteDistEmpirical desmoj.core.dist.DiscreteDistEmpirical used on opensource projects

Example 1 with DiscreteDistEmpirical

use of desmoj.core.dist.DiscreteDistEmpirical in project scylla by bptlab.

the class BoundaryEventPluginUtils method createNonTimerBoundaryEvents.

private void createNonTimerBoundaryEvents(SimulationModel model, BoundaryObject bo, double startOfInterval, double endOfInterval) throws ScyllaRuntimeException {
    double timeUntilWhenNonTimerEventsAreCreated = bo.getTimeUntilWhenNonTimerEventsAreCreated();
    if (!bo.isGenerateMoreNonTimerBoundaryEvents() || timeUntilWhenNonTimerEventsAreCreated >= endOfInterval) {
        return;
    }
    ProcessSimulationComponents desmojObjects = bo.getDesmojObjects();
    ProcessModel processModel = desmojObjects.getProcessModel();
    Map<Integer, EventType> eventTypes = processModel.getEventTypes();
    Map<Integer, Boolean> cancelActivities = processModel.getCancelActivities();
    int nodeId = bo.getNodeId();
    while (timeUntilWhenNonTimerEventsAreCreated < endOfInterval) {
        // If the parent task has not already ended...
        // simulation configuration defines probability of firing boundary events
        Map<Integer, Object> branchingDistributions = desmojObjects.getExtensionDistributions().get(PLUGIN_NAME);
        @SuppressWarnings("unchecked") DiscreteDistEmpirical<Integer> distribution = (DiscreteDistEmpirical<Integer>) branchingDistributions.get(nodeId);
        if (distribution == null) {
            // There are no non-timer boundary events at this task...
            bo.setGenerateMoreNonTimerBoundaryEvents(false);
            return;
        }
        // decide on next node
        model.skipTraceNote();
        Integer nodeIdOfElementToSchedule = distribution.sample();
        // System.out.println("Choosed: "+processModel.getIdentifiers().get(nodeIdOfElementToSchedule)+" "+processModel.getIdentifiers().get(nodeId));
        if (nodeIdOfElementToSchedule == nodeId) {
            // No next boundary non-timer event, finish
            bo.setGenerateMoreNonTimerBoundaryEvents(false);
            return;
        } else {
            // There are boundary events
            EventType eventType = eventTypes.get(nodeIdOfElementToSchedule);
            if (eventType == EventType.BOUNDARY) {
                // Determine whether the boundary event to schedule is an interrupting one.
                boolean eventIsInterrupting = cancelActivities.get(nodeIdOfElementToSchedule);
                // Get time relative to the start of the task when this boundary event will trigger.
                double relativeTimeToTrigger = desmojObjects.getDistributionSample(nodeIdOfElementToSchedule);
                if (relativeTimeToTrigger == 0) {
                    // If this happens something is wrong anyways...
                    continue;
                }
                // Add the relative time of this boundary event, to determine when no more events are scheduled.
                TimeUnit unit = desmojObjects.getDistributionTimeUnit(nodeIdOfElementToSchedule);
                TimeSpan durationAsTimeSpan = new TimeSpan(relativeTimeToTrigger, unit);
                timeUntilWhenNonTimerEventsAreCreated += durationAsTimeSpan.getTimeAsDouble(TimeUnit.SECONDS);
                // Took this message sending part out. It was just to complicated for boundary events, fixed to their parent task.
                // Furthermore it is not needed anymore.
                /*String message = null;
                    boolean showInTrace = model.traceIsOn();
                    Map<EventDefinitionType, Map<String, String>> definitions = processModel.getEventDefinitions().get(nodeIdOfElementToSchedule);

                    String displayName = processModel.getDisplayNames().get(nodeIdOfElementToSchedule);

                    if (displayName == null) {
                        displayName = processModel.getIdentifiers().get(nodeIdOfElementToSchedule);
                    }
                    for (EventDefinitionType definition : definitions.keySet()) {
                        if (definition == EventDefinitionType.MESSAGE) {
                            message = "Schedule boundary message event: " + displayName;
                        }
                        else if (definition == EventDefinitionType.CONDITIONAL) {
                            message = "Schedule boundary conditional event: " + displayName;
                        }
                        else if (definition == EventDefinitionType.SIGNAL) {
                            message = "Schedule boundary signal event: " + displayName;
                        }
                        else if (definition == EventDefinitionType.ESCALATION) {
                            message = "Schedule boundary escalation event: " + displayName;
                        }
                        else {
                            if (eventIsInterrupting) {
                                if (definition == EventDefinitionType.ERROR) {
                                    message = "Schedule boundary error event: " + displayName;
                                }
                                else if (definition == EventDefinitionType.COMPENSATION) {
                                    message = "Schedule boundary compensation event: " + displayName;
                                }
                                else if (definition == EventDefinitionType.CANCEL) {
                                    message = "Schedule boundary cancel event: " + displayName;
                                }
                            }
                            else {
                                SimulationUtils.sendElementNotSupportedTraceNote(model, processModel, displayName,
                                        nodeIdOfElementToSchedule);
                                SimulationUtils.abort(model, processInstance, nodeId, showInTrace);
                                String identifier = processModel.getIdentifiers().get(nodeIdOfElementToSchedule);
                                throw new ScyllaRuntimeException("BPMNEvent " + identifier + " not supported.");
                            }
                        }*

                        bo.getMessagesOfBoundaryEventsToSchedule().computeIfAbsent(timeUntilWhenNonTimerEventsAreCreated,
                                k -> new ArrayList<String>());
                        bo.getMessagesOfBoundaryEventsToSchedule().get(timeUntilWhenNonTimerEventsAreCreated)
                                .add(message);
                    }
                    */
                String source = bo.getSource();
                ProcessInstance processInstance = bo.getProcessInstance();
                TimeInstant timeInstant = new TimeInstant(startOfInterval, TimeUnit.SECONDS);
                // And create the event with the time it should trigger.
                BPMNIntermediateEvent event = new BPMNIntermediateEvent(model, source, timeInstant, desmojObjects, processInstance, nodeIdOfElementToSchedule);
                bo.getBoundaryEventsToSchedule().computeIfAbsent(timeUntilWhenNonTimerEventsAreCreated, k -> new ArrayList<BPMNIntermediateEvent>());
                bo.getBoundaryEventsToSchedule().get(timeUntilWhenNonTimerEventsAreCreated).add(event);
                if (eventIsInterrupting) {
                    // If the element is interrupting, finish and clean up
                    // boundaryObjects.values().remove(bo);
                    bo.setGenerateMoreNonTimerBoundaryEvents(false);
                    break;
                }
            }
        }
    }
    bo.setTimeUntilWhenNonTimerEventsAreCreated(timeUntilWhenNonTimerEventsAreCreated);
}

Example 2 with DiscreteDistEmpirical

use of desmoj.core.dist.DiscreteDistEmpirical in project scylla by bptlab.

the class ExclusiveGatewayEventPlugin method eventRoutine.

@SuppressWarnings("unchecked")
@Override
public void eventRoutine(GatewayEvent desmojEvent, ProcessInstance processInstance) throws ScyllaRuntimeException {
    SimulationModel model = (SimulationModel) desmojEvent.getModel();
    ProcessModel processModel = processInstance.getProcessModel();
    int nodeId = desmojEvent.getNodeId();
    boolean showInTrace = desmojEvent.traceIsOn();
    GatewayType type = processModel.getGateways().get(nodeId);
    ProcessSimulationComponents desmojObjects = desmojEvent.getDesmojObjects();
    try {
        Set<Integer> idsOfNextNodes = processModel.getIdsOfNextNodes(nodeId);
        if (idsOfNextNodes.size() > 1) {
            // split
            if (type == GatewayType.DEFAULT || type == GatewayType.EXCLUSIVE) {
                Map<Integer, Object> branchingDistributions = desmojObjects.getExtensionDistributions().get(getName());
                DiscreteDistEmpirical<Integer> distribution = (DiscreteDistEmpirical<Integer>) branchingDistributions.get(nodeId);
                // decide on next node
                if (distribution != null) {
                    // if a distribution is given take this
                    Integer nextFlowId = distribution.sample().intValue();
                    if (!processModel.getIdentifiers().keySet().contains(nextFlowId)) {
                        throw new ScyllaValidationException("Flow with id " + nextFlowId + " does not exist.");
                    }
                    scheduleNextEvent(desmojEvent, processInstance, processModel, nextFlowId);
                } else {
                    // otherwise try to get information out of the describing branches and branch on the basis of this
                    Map<Class<?>, ArrayList<PluginWrapper>> a = PluginLoader.getDefaultPluginLoader().getExtensions();
                    Collection<ArrayList<PluginWrapper>> plugins = a.values();
                    Boolean dataObjectPluginOn = false;
                    for (ArrayList<PluginWrapper> plugin : plugins) {
                        for (PluginWrapper p : plugin) {
                            if (p.toString().equals("DataObjectSCParserPlugin")) {
                                dataObjectPluginOn = true;
                            }
                        }
                    }
                    if (dataObjectPluginOn) {
                        Object[] outgoingRefs = processModel.getGraph().getTargetObjects(nodeId).toArray();
                        Integer DefaultPath = null;
                        Boolean foundAWay = false;
                        for (Object or : outgoingRefs) {
                            // go through all outgoing references
                            if (or.equals(getKeyByValue(processModel.getIdentifiers(), processModel.getNodeAttributes().get(desmojEvent.getNodeId()).get("default")))) {
                                // if it's the default path jump it
                                DefaultPath = (Integer) or;
                                continue;
                            }
                            String[] conditions = processModel.getDisplayNames().get(or).split("&&");
                            Integer nextFlowId = (Integer) or;
                            List<Boolean> test = new ArrayList<>();
                            for (String condition : conditions) {
                                condition = condition.trim();
                                String field = null;
                                String value = null;
                                String comparison = null;
                                if (condition.contains("==")) {
                                    field = condition.split("==")[0];
                                    value = condition.split("==")[1];
                                    // value = processModel.getDisplayNames().get(or).substring(2, processModel.getDisplayNames().get(or).length());
                                    comparison = "equal";
                                } else if (condition.contains(">=")) {
                                    field = condition.split(">=")[0];
                                    value = condition.split(">=")[1];
                                    comparison = "greaterOrEqual";
                                } else if (condition.contains("<=")) {
                                    field = condition.split("<=")[0];
                                    value = condition.split("<=")[1];
                                    comparison = "lessOrEqual";
                                } else if (condition.contains("!=")) {
                                    field = condition.split("!=")[0];
                                    value = condition.split("!=")[1];
                                    comparison = "notEqual";
                                } else if (condition.contains("=")) {
                                    field = condition.split("=")[0];
                                    value = condition.split("=")[1];
                                    comparison = "equal";
                                } else if (condition.contains("<")) {
                                    field = condition.split("<")[0];
                                    value = condition.split("<")[1];
                                    comparison = "less";
                                } else if (condition.contains(">")) {
                                    field = condition.split(">")[0];
                                    value = condition.split(">")[1];
                                    comparison = "greater";
                                } else {
                                    throw new ScyllaValidationException("Condition " + condition + " does not have a comparison-operator");
                                }
                                value = value.trim();
                                field = field.trim();
                                Object fieldValue = DataObjectField.getDataObjectValue(processInstance.getId(), field);
                                if (!isParsableAsLong(value) || !isParsableAsLong((String.valueOf(fieldValue)))) {
                                    // try a long comparison
                                    Integer comparisonResult = (String.valueOf(fieldValue)).trim().compareTo(String.valueOf(value));
                                    if (comparison.equals("equal") && comparisonResult == 0) {
                                        break;
                                    } else if (comparison.equals("notEqual") && comparisonResult != 0) {
                                        break;
                                    } else {
                                        test.add(false);
                                    }
                                } else {
                                    // otherwise do a string compare
                                    Long LongValue = Long.valueOf(value);
                                    Long dOValue = Long.valueOf((String.valueOf(fieldValue)));
                                    Integer comparisonResult = (dOValue.compareTo(LongValue));
                                    if (comparison.equals("equal") && comparisonResult == 0) {
                                    } else if (comparison.equals("less") && comparisonResult < 0) {
                                    } else if (comparison.equals("greater") && comparisonResult > 0) {
                                    } else if (comparison.equals("greaterOrEqual") && comparisonResult >= 0) {
                                    } else if (comparison.equals("lessOrEqual") && comparisonResult <= 0) {
                                    } else {
                                        test.add(false);
                                    }
                                }
                            }
                            if (test.size() == 0) {
                                scheduleNextEvent(desmojEvent, processInstance, processModel, nextFlowId);
                                foundAWay = true;
                            }
                        }
                        if (!foundAWay && DefaultPath != null) {
                            scheduleNextEvent(desmojEvent, processInstance, processModel, DefaultPath);
                        } else if (!foundAWay && DefaultPath == null) {
                            // everything will be killed, logical error
                            throw new ScyllaValidationException("No Default Path for " + desmojEvent.getDisplayName() + " given and outgoing branches not complete. No branch matches, abort.");
                        }
                    } else {
                        Object[] outgoingRefs = processModel.getGraph().getTargetObjects(nodeId).toArray();
                        Integer DefaultPath = null;
                        for (Object or : outgoingRefs) {
                            // try to find default path
                            if (or.equals(getKeyByValue(processModel.getIdentifiers(), processModel.getNodeAttributes().get(desmojEvent.getNodeId()).get("default")))) {
                                DefaultPath = (Integer) or;
                                break;
                            }
                        }
                        if (DefaultPath != null) {
                            scheduleNextEvent(desmojEvent, processInstance, processModel, DefaultPath);
                        } else {
                            throw new ScyllaValidationException("No Distribution for " + desmojEvent.getDisplayName() + " given, no DefaultPath given and DataObject PlugIn not activated.");
                        }
                    }
                }
            }
        }
    } catch (NodeNotFoundException | ScyllaValidationException e) {
        System.err.println(e.getMessage());
        e.printStackTrace();
        SimulationUtils.abort(model, processInstance, nodeId, showInTrace);
        return;
    }
}

Example 3 with DiscreteDistEmpirical

use of desmoj.core.dist.DiscreteDistEmpirical in project scylla by bptlab.

the class ExclusiveGatewayDistributionConversionPlugin method convertToDesmoJDistributions.

@SuppressWarnings("unchecked")
@Override
public Map<Integer, Object> convertToDesmoJDistributions(ProcessSimulationComponents pSimComponents) {
    Map<Integer, Object> branchingDistributionsExclusive = new HashMap<Integer, Object>();
    SimulationConfiguration simulationConfiguration = pSimComponents.getSimulationConfiguration();
    Map<Integer, BranchingBehavior> branchingBehaviors = (Map<Integer, BranchingBehavior>) simulationConfiguration.getExtensionValue(getName(), "branchingBehaviors");
    Long randomSeed = simulationConfiguration.getRandomSeed();
    ProcessModel processModel = pSimComponents.getProcessModel();
    SimulationModel model = pSimComponents.getModel();
    boolean showInReport = model.reportIsOn();
    boolean showInTrace = model.traceIsOn();
    for (Integer nodeId : branchingBehaviors.keySet()) {
        BranchingBehavior branchingBehavior = branchingBehaviors.get(nodeId);
        Map<Integer, Double> branchingProbabilities = branchingBehavior.getBranchingProbabilities();
        String name = processModel.getModelScopeId() + "_" + nodeId.toString();
        DiscreteDistEmpirical<Integer> desmojDist = new DiscreteDistEmpirical<Integer>(model, name, showInReport, showInTrace);
        for (Integer nextNodeId : branchingProbabilities.keySet()) {
            Double probability = branchingProbabilities.get(nextNodeId);
            desmojDist.addEntry(nextNodeId, probability);
        }
        desmojDist.setSeed(randomSeed);
        branchingDistributionsExclusive.put(nodeId, desmojDist);
    }
    return branchingDistributionsExclusive;
}

Example 4 with DiscreteDistEmpirical

use of desmoj.core.dist.DiscreteDistEmpirical in project scylla by bptlab.

the class SimulationUtils method getDistribution.

public static NumericalDist<?> getDistribution(Distribution dist, SimulationModel model, String name, Integer nodeId, boolean showInReport, boolean showInTrace) throws InstantiationException {
    if (dist instanceof BinomialDistribution) {
        BinomialDistribution binDist = (BinomialDistribution) dist;
        double probability = binDist.getProbability();
        int amount = binDist.getAmount();
        return new DiscreteDistBinomial(model, name, probability, amount, showInReport, showInTrace);
    } else if (dist instanceof ConstantDistribution) {
        ConstantDistribution conDist = (ConstantDistribution) dist;
        double constantValue = conDist.getConstantValue();
        return new DiscreteDistConstant<Number>(model, name, constantValue, showInReport, showInTrace);
    } else if (dist instanceof EmpiricalDistribution) {
        EmpiricalDistribution empDist = (EmpiricalDistribution) dist;
        Map<Double, Double> entries = empDist.getEntries();
        DiscreteDistEmpirical<Double> cde = new DiscreteDistEmpirical<Double>(model, name, showInReport, showInTrace);
        for (Double value : entries.keySet()) {
            Double frequency = entries.get(value);
            cde.addEntry(value, frequency);
        }
        return cde;
    } else if (dist instanceof EmpiricalStringDistribution) {
        EmpiricalStringDistribution empDist = (EmpiricalStringDistribution) dist;
        Map<Double, Double> entries = empDist.getEntries();
        DiscreteDistEmpirical<Double> cde = new DiscreteDistEmpirical<Double>(model, name, showInReport, showInTrace);
        for (Double value : entries.keySet()) {
            Double frequency = entries.get(value);
            cde.addEntry(value, frequency);
        }
        return cde;
    } else if (dist instanceof ErlangDistribution) {
        ErlangDistribution erlDist = (ErlangDistribution) dist;
        double mean = erlDist.getMean();
        long order = erlDist.getOrder();
        return new ContDistErlang(model, name, order, mean, showInReport, showInTrace);
    } else if (dist instanceof ExponentialDistribution) {
        ExponentialDistribution expDist = (ExponentialDistribution) dist;
        double mean = expDist.getMean();
        return new ContDistExponential(model, name, mean, showInReport, showInTrace);
    } else if (dist instanceof TriangularDistribution) {
        TriangularDistribution triDist = (TriangularDistribution) dist;
        double lower = triDist.getLower();
        double upper = triDist.getUpper();
        double peak = triDist.getPeak();
        return new ContDistTriangular(model, name, lower, upper, peak, showInReport, showInTrace);
    } else if (dist instanceof NormalDistribution) {
        NormalDistribution norDist = (NormalDistribution) dist;
        double mean = norDist.getMean();
        double standardDeviation = norDist.getStandardDeviation();
        return new ContDistNormal(model, name, mean, standardDeviation, showInReport, showInTrace);
    } else if (dist instanceof PoissonDistribution) {
        PoissonDistribution poiDist = (PoissonDistribution) dist;
        double mean = poiDist.getMean();
        return new DiscreteDistPoisson(model, name, mean, showInReport, showInTrace);
    } else if (dist instanceof UniformDistribution) {
        UniformDistribution uniDist = (UniformDistribution) dist;
        double lower = uniDist.getLower();
        double upper = uniDist.getUpper();
        return new ContDistUniform(model, name, lower, upper, showInReport, showInTrace);
    } else {
        throw new InstantiationException("Distribution of node " + nodeId + " not supported.");
    }
}

Example 5 with DiscreteDistEmpirical

use of desmoj.core.dist.DiscreteDistEmpirical in project scylla by bptlab.

the class BoundaryDistributionConversionPlugin method convertToDesmoJDistributions.

// Took the branching behaviour also used in exclusive gateways. I did not touch it for now, have a look on it later. Should just be needed for event probability...
// TODO: Resolve redundancy.
@SuppressWarnings("unchecked")
@Override
public Map<Integer, Object> convertToDesmoJDistributions(ProcessSimulationComponents pSimComponents) {
    Map<Integer, Object> boundaryEventDistributions = new HashMap<Integer, Object>();
    SimulationConfiguration simulationConfiguration = pSimComponents.getSimulationConfiguration();
    Long randomSeed = simulationConfiguration.getRandomSeed();
    Map<Integer, BranchingBehavior> branchingBehaviors = (Map<Integer, BranchingBehavior>) simulationConfiguration.getExtensionValue(getName(), "branchingBehaviors");
    ProcessModel processModel = pSimComponents.getProcessModel();
    SimulationModel model = pSimComponents.getModel();
    boolean showInReport = model.reportIsOn();
    boolean showInTrace = model.traceIsOn();
    for (Integer nodeId : branchingBehaviors.keySet()) {
        BranchingBehavior branchingBehavior = branchingBehaviors.get(nodeId);
        Map<Integer, Double> branchingProbabilities = branchingBehavior.getBranchingProbabilities();
        String name = processModel.getModelScopeId() + "_" + nodeId.toString();
        DiscreteDistEmpirical<Integer> desmojDist = new DiscreteDistEmpirical<Integer>(model, name, showInReport, showInTrace);
        for (Integer nextNodeId : branchingProbabilities.keySet()) {
            Double probability = branchingProbabilities.get(nextNodeId);
            desmojDist.addEntry(nextNodeId, probability);
        }
        desmojDist.setSeed(randomSeed);
        boundaryEventDistributions.put(nodeId, desmojDist);
    }
    return boundaryEventDistributions;
}