Examples with FlowElementsContainer org.eclipse.bpmn2.FlowElementsContainer used on opensource projects

Example 6 with FlowElementsContainer

use of org.eclipse.bpmn2.FlowElementsContainer in project kie-wb-common by kiegroup.

the class Bpmn2JsonUnmarshaller method setItemDefinitionsForActivitiesIoSpec.

public void setItemDefinitionsForActivitiesIoSpec(FlowElementsContainer container, Definitions def, List<ItemDefinition> toAddItemDefinitions) {
    List<FlowElement> flowElements = container.getFlowElements();
    for (FlowElement fe : flowElements) {
        if (fe instanceof Activity) {
            Activity ac = (Activity) fe;
            if (ac.getIoSpecification() != null) {
                if (ac.getIoSpecification().getDataInputs() != null) {
                    List<DataInput> dataInputs = ac.getIoSpecification().getDataInputs();
                    for (DataInput din : dataInputs) {
                        Iterator<FeatureMap.Entry> iter = din.getAnyAttribute().iterator();
                        while (iter.hasNext()) {
                            FeatureMap.Entry entry = iter.next();
                            if (entry.getEStructuralFeature().getName().equals("dtype")) {
                                String dinType = (String) entry.getValue();
                                if (dinType != null && dinType.length() > 0) {
                                    ItemDefinition itemdef = Bpmn2Factory.eINSTANCE.createItemDefinition();
                                    itemdef.setId("_" + din.getId() + "Item");
                                    itemdef.setStructureRef(dinType);
                                    toAddItemDefinitions.add(itemdef);
                                    din.setItemSubjectRef(itemdef);
                                }
                            }
                        }
                    }
                }
                if (ac.getIoSpecification().getDataOutputs() != null) {
                    List<DataOutput> dataOutputs = ac.getIoSpecification().getDataOutputs();
                    for (DataOutput dout : dataOutputs) {
                        Iterator<FeatureMap.Entry> iter = dout.getAnyAttribute().iterator();
                        while (iter.hasNext()) {
                            FeatureMap.Entry entry = iter.next();
                            if (entry.getEStructuralFeature().getName().equals("dtype")) {
                                String doutType = (String) entry.getValue();
                                if (doutType != null && doutType.length() > 0) {
                                    ItemDefinition itemdef = Bpmn2Factory.eINSTANCE.createItemDefinition();
                                    itemdef.setId("_" + dout.getId() + "Item");
                                    itemdef.setStructureRef(doutType);
                                    toAddItemDefinitions.add(itemdef);
                                    dout.setItemSubjectRef(itemdef);
                                }
                            }
                        }
                    }
                }
            }
        } else if (fe instanceof FlowElementsContainer) {
            setItemDefinitionsForActivitiesIoSpec((FlowElementsContainer) fe, def, toAddItemDefinitions);
        }
    }
}

Example 7 with FlowElementsContainer

use of org.eclipse.bpmn2.FlowElementsContainer in project kie-wb-common by kiegroup.

the class Bpmn2JsonUnmarshaller method updateEdgeBoundsInContainers.

public void updateEdgeBoundsInContainers(FlowElementsContainer container, SequenceFlow sq, BPMNPlane plane, BPMNEdge edge) {
    for (FlowElement fele : container.getFlowElements()) {
        // dont do this if its on process level
        if (!(container instanceof Process)) {
            if (fele.getId().equals(sq.getSourceRef().getId())) {
                Bounds sourceBounds = getBoundsForElement(sq.getSourceRef(), plane);
                List<Point> edgePoints = edge.getWaypoint();
                if (edgePoints != null && edgePoints.size() > 1) {
                    if (sourceBounds != null) {
                        Point first = edgePoints.get(0);
                        first.setX(first.getX() + getBoundsForElement(container, plane).getX() + (sourceBounds.getWidth() / 2));
                        first.setY(first.getY() + getBoundsForElement(container, plane).getY());
                    }
                }
            } else if (fele.getId().equals(sq.getTargetRef().getId())) {
                Bounds targetBounds = getBoundsForElement(sq.getTargetRef(), plane);
                List<Point> edgePoints = edge.getWaypoint();
                if (edgePoints != null && edgePoints.size() > 1) {
                    if (targetBounds != null) {
                        Point last = edgePoints.get(edgePoints.size() - 1);
                        last.setX(last.getX() + getBoundsForElement(container, plane).getX() - (targetBounds.getWidth() / 2));
                        last.setY(last.getY() + getBoundsForElement(container, plane).getY());
                    }
                }
            }
        }
        if (fele instanceof FlowElementsContainer) {
            updateEdgeBoundsInContainers((FlowElementsContainer) fele, sq, plane, edge);
        }
    }
}

Example 8 with FlowElementsContainer

use of org.eclipse.bpmn2.FlowElementsContainer in project kie-wb-common by kiegroup.

the class Bpmn2JsonUnmarshaller method unmarshallItem.

public BaseElement unmarshallItem(JsonParser parser, String preProcessingData) throws JsonParseException, IOException {
    String resourceId = null;
    Map<String, String> properties = null;
    String stencil = null;
    List<BaseElement> childElements = new ArrayList<BaseElement>();
    List<String> outgoing = new ArrayList<String>();
    while (parser.nextToken() != JsonToken.END_OBJECT) {
        String fieldname = parser.getCurrentName();
        parser.nextToken();
        if ("resourceId".equals(fieldname)) {
            resourceId = parser.getText();
        } else if ("properties".equals(fieldname)) {
            properties = unmarshallProperties(parser);
        } else if ("stencil".equals(fieldname)) {
            // "stencil":{"id":"Task"},
            parser.nextToken();
            parser.nextToken();
            stencil = parser.getText();
            parser.nextToken();
        } else if ("childShapes".equals(fieldname)) {
            while (parser.nextToken() != JsonToken.END_ARRAY) {
                // open the
                // object
                // the childShapes element is a json array. We opened the
                // array.
                childElements.add(unmarshallItem(parser, preProcessingData));
            }
        } else if ("bounds".equals(fieldname)) {
            // bounds: {"lowerRight":{"x":484.0,"y":198.0},"upperLeft":{"x":454.0,"y":168.0}}
            parser.nextToken();
            parser.nextToken();
            parser.nextToken();
            parser.nextToken();
            Integer x2 = parser.getIntValue();
            parser.nextToken();
            parser.nextToken();
            Integer y2 = parser.getIntValue();
            parser.nextToken();
            parser.nextToken();
            parser.nextToken();
            parser.nextToken();
            parser.nextToken();
            Integer x1 = parser.getIntValue();
            parser.nextToken();
            parser.nextToken();
            Integer y1 = parser.getIntValue();
            parser.nextToken();
            parser.nextToken();
            Bounds b = DcFactory.eINSTANCE.createBounds();
            b.setX(x1);
            b.setY(y1);
            b.setWidth(x2 - x1);
            b.setHeight(y2 - y1);
            this._bounds.put(resourceId, b);
        } else if ("dockers".equals(fieldname)) {
            // "dockers":[{"x":50,"y":40},{"x":353.5,"y":115},{"x":353.5,"y":152},{"x":50,"y":40}],
            List<Point> dockers = new ArrayList<Point>();
            JsonToken nextToken = parser.nextToken();
            boolean end = JsonToken.END_ARRAY.equals(nextToken);
            while (!end) {
                nextToken = parser.nextToken();
                nextToken = parser.nextToken();
                Integer x = parser.getIntValue();
                parser.nextToken();
                parser.nextToken();
                Integer y = parser.getIntValue();
                Point point = DcFactory.eINSTANCE.createPoint();
                point.setX(x);
                point.setY(y);
                dockers.add(point);
                parser.nextToken();
                nextToken = parser.nextToken();
                end = JsonToken.END_ARRAY.equals(nextToken);
            }
            this._dockers.put(resourceId, dockers);
        } else if ("outgoing".equals(fieldname)) {
            while (parser.nextToken() != JsonToken.END_ARRAY) {
                // {resourceId: oryx_1AAA8C9A-39A5-42FC-8ED1-507A7F3728EA}
                parser.nextToken();
                parser.nextToken();
                outgoing.add(parser.getText());
                parser.nextToken();
            }
            // pass on the array
            parser.skipChildren();
        } else if ("target".equals(fieldname)) {
            // we already collected that info with the outgoing field.
            parser.skipChildren();
        // "target": {
        // "resourceId": "oryx_A75E7546-DF71-48EA-84D3-2A8FD4A47568"
        // }
        // add to the map:
        // parser.nextToken(); // resourceId:
        // parser.nextToken(); // the value we want to save
        // targetId = parser.getText();
        // parser.nextToken(); // }, closing the object
        }
    }
    properties.put("resourceId", resourceId);
    boolean customElement = isCustomElement(properties.get("tasktype"), preProcessingData);
    BaseElement baseElt = this.createBaseElement(stencil, properties.get("tasktype"), customElement);
    // register the sequence flow targets.
    if (baseElt instanceof SequenceFlow) {
        _sequenceFlowTargets.addAll(outgoing);
    }
    _outgoingFlows.put(baseElt, outgoing);
    _objMap.put(baseElt, // keep the object around to do connections
    resourceId);
    _idMap.put(resourceId, baseElt);
    // baseElt.setId(resourceId); commented out as bpmn2 seems to create
    // duplicate ids right now.
    applyProperties(baseElt, properties, preProcessingData);
    if (baseElt instanceof Definitions) {
        Process rootLevelProcess = null;
        if (childElements == null || childElements.size() < 1) {
            if (rootLevelProcess == null) {
                rootLevelProcess = Bpmn2Factory.eINSTANCE.createProcess();
                // set the properties and item definitions first
                if (properties.get("vardefs") != null && properties.get("vardefs").length() > 0) {
                    String[] vardefs = properties.get("vardefs").split(",\\s*");
                    for (String vardef : vardefs) {
                        Property prop = Bpmn2Factory.eINSTANCE.createProperty();
                        ItemDefinition itemdef = Bpmn2Factory.eINSTANCE.createItemDefinition();
                        // check if we define a structure ref in the definition
                        if (vardef.contains(":")) {
                            String[] vardefParts = vardef.split(":\\s*");
                            prop.setId(vardefParts[0]);
                            itemdef.setId("_" + prop.getId() + "Item");
                            boolean haveKPI = false;
                            String kpiValue = "";
                            if (vardefParts.length == 3) {
                                itemdef.setStructureRef(vardefParts[1]);
                                if (vardefParts[2].equals("true")) {
                                    haveKPI = true;
                                    kpiValue = vardefParts[2];
                                }
                            }
                            if (vardefParts.length == 2) {
                                if (vardefParts[1].equals("true") || vardefParts[1].equals("false")) {
                                    if (vardefParts[1].equals("true")) {
                                        haveKPI = true;
                                        kpiValue = vardefParts[1];
                                    }
                                } else {
                                    itemdef.setStructureRef(vardefParts[1]);
                                }
                            }
                            if (haveKPI) {
                                Utils.setMetaDataExtensionValue(prop, "customKPI", wrapInCDATABlock(kpiValue));
                            }
                        } else {
                            prop.setId(vardef);
                            itemdef.setId("_" + prop.getId() + "Item");
                        }
                        prop.setItemSubjectRef(itemdef);
                        rootLevelProcess.getProperties().add(prop);
                        ((Definitions) baseElt).getRootElements().add(itemdef);
                    }
                }
                if (properties.get("adhocprocess") != null && properties.get("adhocprocess").equals("true")) {
                    ExtendedMetaData metadata = ExtendedMetaData.INSTANCE;
                    EAttributeImpl extensionAttribute = (EAttributeImpl) metadata.demandFeature("http://www.jboss.org/drools", "adHoc", false, false);
                    SimpleFeatureMapEntry extensionEntry = new SimpleFeatureMapEntry(extensionAttribute, properties.get("adhocprocess"));
                    rootLevelProcess.getAnyAttribute().add(extensionEntry);
                }
                if (properties.get("customdescription") != null && properties.get("customdescription").length() > 0) {
                    Utils.setMetaDataExtensionValue(rootLevelProcess, "customDescription", wrapInCDATABlock(properties.get("customdescription")));
                }
                rootLevelProcess.setId(properties.get("id"));
                applyProcessProperties(rootLevelProcess, properties);
                ((Definitions) baseElt).getRootElements().add(rootLevelProcess);
            }
        } else {
            for (BaseElement child : childElements) {
                // } else {
                if (child instanceof SequenceFlow) {
                    // for some reason sequence flows are placed as root elements.
                    // find if the target has a container, and if we can use it:
                    List<String> ids = _outgoingFlows.get(child);
                    FlowElementsContainer container = null;
                    for (String id : ids) {
                        // yes, we iterate, but we'll take the first in the list that will work.
                        Object obj = _idMap.get(id);
                        if (obj instanceof EObject && ((EObject) obj).eContainer() instanceof FlowElementsContainer) {
                            container = (FlowElementsContainer) ((EObject) obj).eContainer();
                            break;
                        }
                    }
                    if (container != null) {
                        container.getFlowElements().add((SequenceFlow) child);
                        continue;
                    }
                }
                if (child instanceof Task || child instanceof SequenceFlow || child instanceof Gateway || child instanceof Event || child instanceof Artifact || child instanceof DataObject || child instanceof SubProcess || child instanceof Lane || child instanceof CallActivity || child instanceof TextAnnotation) {
                    if (rootLevelProcess == null) {
                        rootLevelProcess = Bpmn2Factory.eINSTANCE.createProcess();
                        // set the properties and item definitions first
                        if (properties.get("vardefs") != null && properties.get("vardefs").length() > 0) {
                            String[] vardefs = properties.get("vardefs").split(",\\s*");
                            for (String vardef : vardefs) {
                                Property prop = Bpmn2Factory.eINSTANCE.createProperty();
                                ItemDefinition itemdef = Bpmn2Factory.eINSTANCE.createItemDefinition();
                                // check if we define a structure ref in the definition
                                if (vardef.contains(":")) {
                                    String[] vardefParts = vardef.split(":\\s*");
                                    prop.setId(vardefParts[0]);
                                    itemdef.setId("_" + prop.getId() + "Item");
                                    boolean haveKPI = false;
                                    String kpiValue = "";
                                    if (vardefParts.length == 3) {
                                        itemdef.setStructureRef(vardefParts[1]);
                                        if (vardefParts[2].equals("true")) {
                                            haveKPI = true;
                                            kpiValue = vardefParts[2];
                                        }
                                    }
                                    if (vardefParts.length == 2) {
                                        if (vardefParts[1].equals("true") || vardefParts[1].equals("false")) {
                                            if (vardefParts[1].equals("true")) {
                                                haveKPI = true;
                                                kpiValue = vardefParts[1];
                                            }
                                        } else {
                                            itemdef.setStructureRef(vardefParts[1]);
                                        }
                                    }
                                    if (haveKPI) {
                                        Utils.setMetaDataExtensionValue(prop, "customKPI", wrapInCDATABlock(kpiValue));
                                    }
                                } else {
                                    prop.setId(vardef);
                                    itemdef.setId("_" + prop.getId() + "Item");
                                }
                                prop.setItemSubjectRef(itemdef);
                                rootLevelProcess.getProperties().add(prop);
                                ((Definitions) baseElt).getRootElements().add(itemdef);
                            }
                        }
                        if (properties.get("adhocprocess") != null && properties.get("adhocprocess").equals("true")) {
                            ExtendedMetaData metadata = ExtendedMetaData.INSTANCE;
                            EAttributeImpl extensionAttribute = (EAttributeImpl) metadata.demandFeature("http://www.jboss.org/drools", "adHoc", false, false);
                            SimpleFeatureMapEntry extensionEntry = new SimpleFeatureMapEntry(extensionAttribute, properties.get("adhocprocess"));
                            rootLevelProcess.getAnyAttribute().add(extensionEntry);
                        }
                        if (properties.get("customdescription") != null && properties.get("customdescription").length() > 0) {
                            Utils.setMetaDataExtensionValue(rootLevelProcess, "customDescription", wrapInCDATABlock(properties.get("customdescription")));
                        }
                        rootLevelProcess.setId(properties.get("id"));
                        applyProcessProperties(rootLevelProcess, properties);
                        ((Definitions) baseElt).getRootElements().add(rootLevelProcess);
                    }
                }
                if (child instanceof Task) {
                    rootLevelProcess.getFlowElements().add((Task) child);
                } else if (child instanceof CallActivity) {
                    rootLevelProcess.getFlowElements().add((CallActivity) child);
                } else if (child instanceof RootElement) {
                    ((Definitions) baseElt).getRootElements().add((RootElement) child);
                } else if (child instanceof SequenceFlow) {
                    rootLevelProcess.getFlowElements().add((SequenceFlow) child);
                } else if (child instanceof Gateway) {
                    rootLevelProcess.getFlowElements().add((Gateway) child);
                } else if (child instanceof Event) {
                    rootLevelProcess.getFlowElements().add((Event) child);
                } else if (child instanceof TextAnnotation) {
                    rootLevelProcess.getFlowElements().add((TextAnnotation) child);
                } else if (child instanceof Artifact) {
                    rootLevelProcess.getArtifacts().add((Artifact) child);
                } else if (child instanceof DataObject) {
                    // bubble up data objects
                    // rootLevelProcess.getFlowElements().add(0, (DataObject) child);
                    rootLevelProcess.getFlowElements().add((DataObject) child);
                // ItemDefinition def = ((DataObject) child).getItemSubjectRef();
                // if (def != null) {
                // if (def.eResource() == null) {
                // ((Definitions) rootLevelProcess.eContainer()).getRootElements().add(0, def);
                // }
                // Import imported = def.getImport();
                // if (imported != null && imported.eResource() == null) {
                // ((Definitions) rootLevelProcess.eContainer()).getImports().add(0, imported);
                // }
                // }
                } else if (child instanceof SubProcess) {
                    rootLevelProcess.getFlowElements().add((SubProcess) child);
                } else if (child instanceof Lane) {
                // lanes handled later
                } else {
                    _logger.error("Don't know what to do of " + child);
                }
            // }
            }
        }
    } else if (baseElt instanceof Process) {
        for (BaseElement child : childElements) {
            if (child instanceof Lane) {
                if (((Process) baseElt).getLaneSets().isEmpty()) {
                    ((Process) baseElt).getLaneSets().add(Bpmn2Factory.eINSTANCE.createLaneSet());
                }
                ((Process) baseElt).getLaneSets().get(0).getLanes().add((Lane) child);
                addLaneFlowNodes((Process) baseElt, (Lane) child);
            } else if (child instanceof Artifact) {
                ((Process) baseElt).getArtifacts().add((Artifact) child);
            } else {
                _logger.error("Don't know what to do of " + child);
            }
        }
    } else if (baseElt instanceof SubProcess) {
        for (BaseElement child : childElements) {
            if (child instanceof FlowElement) {
                ((SubProcess) baseElt).getFlowElements().add((FlowElement) child);
            } else if (child instanceof Artifact) {
                ((SubProcess) baseElt).getArtifacts().add((Artifact) child);
            } else {
                _logger.error("Subprocess - don't know what to do of " + child);
            }
        }
    } else if (baseElt instanceof Message) {
    // we do not support base-element messages from the json. They are created dynamically for events that use them.
    } else if (baseElt instanceof Lane) {
        for (BaseElement child : childElements) {
            if (child instanceof FlowNode) {
                ((Lane) baseElt).getFlowNodeRefs().add((FlowNode) child);
            } else // }
            if (child instanceof Artifact) {
                _artifacts.add((Artifact) child);
            } else {
                _logger.error("Don't know what to do of " + childElements);
            }
        }
        _lanes.add((Lane) baseElt);
    } else {
        if (!childElements.isEmpty()) {
            _logger.error("Don't know what to do of " + childElements + " with " + baseElt);
        }
    }
    return baseElt;
}

Example 9 with FlowElementsContainer

use of org.eclipse.bpmn2.FlowElementsContainer in project kie-wb-common by kiegroup.

the class Bpmn2JsonUnmarshaller method setThrowEventsInfo.

public void setThrowEventsInfo(FlowElementsContainer container, Definitions def, List<RootElement> rootElements, List<Signal> toAddSignals, Set<Error> toAddErrors, Set<Escalation> toAddEscalations, Set<Message> toAddMessages, Set<ItemDefinition> toAddItemDefinitions) {
    List<FlowElement> flowElements = container.getFlowElements();
    for (FlowElement fe : flowElements) {
        if (fe instanceof ThrowEvent) {
            if (((ThrowEvent) fe).getEventDefinitions().size() > 0) {
                EventDefinition ed = ((ThrowEvent) fe).getEventDefinitions().get(0);
                if (ed instanceof SignalEventDefinition) {
                    SignalEventDefinition sed = (SignalEventDefinition) ed;
                    if (sed.getSignalRef() != null && sed.getSignalRef().length() > 0) {
                        String signalRef = sed.getSignalRef();
                        boolean shouldAddSignal = true;
                        for (RootElement re : rootElements) {
                            if (re instanceof Signal) {
                                if (((Signal) re).getName().equals(signalRef)) {
                                    shouldAddSignal = false;
                                    break;
                                }
                            }
                        }
                        if (toAddSignals != null) {
                            for (Signal s : toAddSignals) {
                                if (s.getName().equals(signalRef)) {
                                    shouldAddSignal = false;
                                    break;
                                }
                            }
                        }
                        if (shouldAddSignal) {
                            Signal signal = Bpmn2Factory.eINSTANCE.createSignal();
                            signal.setName(signalRef);
                            toAddSignals.add(signal);
                        }
                    }
                } else if (ed instanceof ErrorEventDefinition) {
                    String errorCode = null;
                    String errorId = null;
                    Iterator<FeatureMap.Entry> iter = ed.getAnyAttribute().iterator();
                    while (iter.hasNext()) {
                        FeatureMap.Entry entry = iter.next();
                        if (entry.getEStructuralFeature().getName().equals("erefname")) {
                            errorId = (String) entry.getValue();
                            errorCode = (String) entry.getValue();
                        }
                    }
                    Error err = this._errors.get(errorCode);
                    if (err == null) {
                        err = Bpmn2Factory.eINSTANCE.createError();
                        err.setId(errorId);
                        err.setErrorCode(errorCode);
                        this._errors.put(errorCode, err);
                    }
                    toAddErrors.add(err);
                    ((ErrorEventDefinition) ed).setErrorRef(err);
                } else if (ed instanceof EscalationEventDefinition) {
                    String escalationCode = null;
                    Iterator<FeatureMap.Entry> iter = ed.getAnyAttribute().iterator();
                    while (iter.hasNext()) {
                        FeatureMap.Entry entry = iter.next();
                        if (entry.getEStructuralFeature().getName().equals("esccode")) {
                            escalationCode = (String) entry.getValue();
                            break;
                        }
                    }
                    Escalation escalation = this._escalations.get(escalationCode);
                    if (escalation == null) {
                        escalation = Bpmn2Factory.eINSTANCE.createEscalation();
                        escalation.setEscalationCode(escalationCode);
                        this._escalations.put(escalationCode, escalation);
                    }
                    toAddEscalations.add(escalation);
                    ((EscalationEventDefinition) ed).setEscalationRef(escalation);
                } else if (ed instanceof MessageEventDefinition) {
                    ((MessageEventDefinition) ed).setMessageRef(extractMessage(ed, toAddMessages, toAddItemDefinitions));
                } else if (ed instanceof CompensateEventDefinition) {
                    Iterator<FeatureMap.Entry> iter = ed.getAnyAttribute().iterator();
                    while (iter.hasNext()) {
                        FeatureMap.Entry entry = iter.next();
                        if (entry.getEStructuralFeature().getName().equals("actrefname")) {
                            String activityNameRef = (String) entry.getValue();
                            // we have to iterate again through all flow
                            // elements
                            // in order to find our activity name
                            List<RootElement> re = def.getRootElements();
                            for (RootElement r : re) {
                                if (r instanceof Process) {
                                    Process p = (Process) r;
                                    List<FlowElement> fes = p.getFlowElements();
                                    for (FlowElement f : fes) {
                                        if (f instanceof Activity && ((Activity) f).getName().equals(activityNameRef)) {
                                            ((CompensateEventDefinition) ed).setActivityRef((Activity) f);
                                            ((Activity) f).setIsForCompensation(true);
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        } else if (fe instanceof FlowElementsContainer) {
            setThrowEventsInfo((FlowElementsContainer) fe, def, rootElements, toAddSignals, toAddErrors, toAddEscalations, toAddMessages, toAddItemDefinitions);
        }
    }
}

Example 10 with FlowElementsContainer

use of org.eclipse.bpmn2.FlowElementsContainer in project kie-wb-common by kiegroup.

the class Bpmn2JsonUnmarshaller method setUserTaskInfo.

private void setUserTaskInfo(FlowElementsContainer container) {
    List<FlowElement> flowElements = container.getFlowElements();
    for (FlowElement fe : flowElements) {
        // Set name and metaData "elementname" to "Task_n" if empty
        if (fe instanceof UserTask) {
            UserTask task = (UserTask) fe;
            String name = task.getName();
            if (name == null || name.length() == 0) {
                LastUserTaskID++;
                String newName = DEFAULT_USERTASK_NAME_PREFIX + LastUserTaskID;
                task.setName(newName);
                if (task.getExtensionValues() != null && task.getExtensionValues().size() > 0) {
                    for (ExtensionAttributeValue extattrval : task.getExtensionValues()) {
                        FeatureMap extensionElements = extattrval.getValue();
                        List<MetaDataType> metadataExtensions = (List<MetaDataType>) extensionElements.get(DroolsPackage.Literals.DOCUMENT_ROOT__META_DATA, true);
                        for (MetaDataType eleMetadata : metadataExtensions) {
                            if (eleMetadata.getName() != null && eleMetadata.getName().equals("elementname")) {
                                eleMetadata.setMetaValue(wrapInCDATABlock(newName));
                            }
                        }
                    }
                }
            }
        }
        if (fe instanceof FlowElementsContainer) {
            setUserTaskInfo((FlowElementsContainer) fe);
        }
    }
}