Examples with FlowElement org.activiti.bpmn.model.FlowElement used on opensource projects

Example 21 with FlowElement

use of org.activiti.bpmn.model.FlowElement in project Activiti by Activiti.

the class InCompleteSignalConverterTest method validateModel.

private void validateModel(BpmnModel model) {
    FlowElement flowElement = model.getMainProcess().getFlowElement("task");
    assertNotNull(flowElement);
    assertTrue(flowElement instanceof UserTask);
    assertEquals("task", flowElement.getId());
    ProcessValidator processValidator = new ProcessValidatorFactory().createDefaultProcessValidator();
    List<ValidationError> errors = processValidator.validate(model);
    assertNotNull(errors);
    assertEquals(2, errors.size());
}

Example 22 with FlowElement

use of org.activiti.bpmn.model.FlowElement in project Activiti by Activiti.

the class ScopedConverterTest method validateModel.

private void validateModel(BpmnModel model) {
    FlowElement flowElement = model.getMainProcess().getFlowElement("outerSubProcess");
    assertNotNull(flowElement);
    assertTrue(flowElement instanceof SubProcess);
    assertEquals("outerSubProcess", flowElement.getId());
    SubProcess outerSubProcess = (SubProcess) flowElement;
    List<BoundaryEvent> eventList = outerSubProcess.getBoundaryEvents();
    assertEquals(1, eventList.size());
    BoundaryEvent boundaryEvent = eventList.get(0);
    assertEquals("outerBoundaryEvent", boundaryEvent.getId());
    FlowElement subElement = outerSubProcess.getFlowElement("innerSubProcess");
    assertNotNull(subElement);
    assertTrue(subElement instanceof SubProcess);
    assertEquals("innerSubProcess", subElement.getId());
    SubProcess innerSubProcess = (SubProcess) subElement;
    eventList = innerSubProcess.getBoundaryEvents();
    assertEquals(1, eventList.size());
    boundaryEvent = eventList.get(0);
    assertEquals("innerBoundaryEvent", boundaryEvent.getId());
    FlowElement taskElement = innerSubProcess.getFlowElement("usertask");
    assertNotNull(taskElement);
    assertTrue(taskElement instanceof UserTask);
    UserTask userTask = (UserTask) taskElement;
    assertEquals("usertask", userTask.getId());
    eventList = userTask.getBoundaryEvents();
    assertEquals(1, eventList.size());
    boundaryEvent = eventList.get(0);
    assertEquals("taskBoundaryEvent", boundaryEvent.getId());
}

Example 23 with FlowElement

use of org.activiti.bpmn.model.FlowElement in project Activiti by Activiti.

the class BpmnJsonConverter method convertToJson.

public ObjectNode convertToJson(BpmnModel model) {
    ObjectNode modelNode = objectMapper.createObjectNode();
    double maxX = 0.0;
    double maxY = 0.0;
    for (GraphicInfo flowInfo : model.getLocationMap().values()) {
        if ((flowInfo.getX() + flowInfo.getWidth()) > maxX) {
            maxX = flowInfo.getX() + flowInfo.getWidth();
        }
        if ((flowInfo.getY() + flowInfo.getHeight()) > maxY) {
            maxY = flowInfo.getY() + flowInfo.getHeight();
        }
    }
    maxX += 50;
    maxY += 50;
    if (maxX < 1485) {
        maxX = 1485;
    }
    if (maxY < 700) {
        maxY = 700;
    }
    modelNode.put("bounds", BpmnJsonConverterUtil.createBoundsNode(maxX, maxY, 0, 0));
    modelNode.put("resourceId", "canvas");
    ObjectNode stencilNode = objectMapper.createObjectNode();
    stencilNode.put("id", "BPMNDiagram");
    modelNode.put("stencil", stencilNode);
    ObjectNode stencilsetNode = objectMapper.createObjectNode();
    stencilsetNode.put("namespace", "http://b3mn.org/stencilset/bpmn2.0#");
    stencilsetNode.put("url", "../editor/stencilsets/bpmn2.0/bpmn2.0.json");
    modelNode.put("stencilset", stencilsetNode);
    ArrayNode shapesArrayNode = objectMapper.createArrayNode();
    Process mainProcess = null;
    if (model.getPools().size() > 0) {
        mainProcess = model.getProcess(model.getPools().get(0).getId());
    } else {
        mainProcess = model.getMainProcess();
    }
    ObjectNode propertiesNode = objectMapper.createObjectNode();
    if (StringUtils.isNotEmpty(mainProcess.getId())) {
        propertiesNode.put(PROPERTY_PROCESS_ID, mainProcess.getId());
    }
    if (StringUtils.isNotEmpty(mainProcess.getName())) {
        propertiesNode.put(PROPERTY_NAME, mainProcess.getName());
    }
    if (StringUtils.isNotEmpty(mainProcess.getDocumentation())) {
        propertiesNode.put(PROPERTY_DOCUMENTATION, mainProcess.getDocumentation());
    }
    if (mainProcess.isExecutable() == false) {
        propertiesNode.put(PROPERTY_PROCESS_EXECUTABLE, "No");
    }
    if (StringUtils.isNoneEmpty(model.getTargetNamespace())) {
        propertiesNode.put(PROPERTY_PROCESS_NAMESPACE, model.getTargetNamespace());
    }
    BpmnJsonConverterUtil.convertMessagesToJson(model.getMessages(), propertiesNode);
    BpmnJsonConverterUtil.convertListenersToJson(mainProcess.getExecutionListeners(), true, propertiesNode);
    BpmnJsonConverterUtil.convertEventListenersToJson(mainProcess.getEventListeners(), propertiesNode);
    BpmnJsonConverterUtil.convertSignalDefinitionsToJson(model, propertiesNode);
    BpmnJsonConverterUtil.convertMessagesToJson(model, propertiesNode);
    if (CollectionUtils.isNotEmpty(mainProcess.getDataObjects())) {
        BpmnJsonConverterUtil.convertDataPropertiesToJson(mainProcess.getDataObjects(), propertiesNode);
    }
    modelNode.put(EDITOR_SHAPE_PROPERTIES, propertiesNode);
    boolean poolHasDI = false;
    if (model.getPools().size() > 0) {
        for (Pool pool : model.getPools()) {
            GraphicInfo graphicInfo = model.getGraphicInfo(pool.getId());
            if (graphicInfo != null) {
                poolHasDI = true;
                break;
            }
        }
    }
    if (model.getPools().size() > 0 && poolHasDI) {
        for (Pool pool : model.getPools()) {
            GraphicInfo graphicInfo = model.getGraphicInfo(pool.getId());
            if (graphicInfo == null)
                continue;
            ObjectNode poolNode = BpmnJsonConverterUtil.createChildShape(pool.getId(), STENCIL_POOL, graphicInfo.getX() + graphicInfo.getWidth(), graphicInfo.getY() + graphicInfo.getHeight(), graphicInfo.getX(), graphicInfo.getY());
            shapesArrayNode.add(poolNode);
            ObjectNode poolPropertiesNode = objectMapper.createObjectNode();
            poolPropertiesNode.put(PROPERTY_OVERRIDE_ID, pool.getId());
            poolPropertiesNode.put(PROPERTY_PROCESS_ID, pool.getProcessRef());
            if (pool.isExecutable() == false) {
                poolPropertiesNode.put(PROPERTY_PROCESS_EXECUTABLE, PROPERTY_VALUE_NO);
            }
            if (StringUtils.isNotEmpty(pool.getName())) {
                poolPropertiesNode.put(PROPERTY_NAME, pool.getName());
            }
            poolNode.put(EDITOR_SHAPE_PROPERTIES, poolPropertiesNode);
            ArrayNode laneShapesArrayNode = objectMapper.createArrayNode();
            poolNode.put(EDITOR_CHILD_SHAPES, laneShapesArrayNode);
            ArrayNode outgoingArrayNode = objectMapper.createArrayNode();
            poolNode.put("outgoing", outgoingArrayNode);
            Process process = model.getProcess(pool.getId());
            if (process != null) {
                Map<String, ArrayNode> laneMap = new HashMap<String, ArrayNode>();
                for (Lane lane : process.getLanes()) {
                    GraphicInfo laneGraphicInfo = model.getGraphicInfo(lane.getId());
                    if (laneGraphicInfo == null)
                        continue;
                    ObjectNode laneNode = BpmnJsonConverterUtil.createChildShape(lane.getId(), STENCIL_LANE, laneGraphicInfo.getX() + laneGraphicInfo.getWidth(), laneGraphicInfo.getY() + laneGraphicInfo.getHeight(), laneGraphicInfo.getX(), laneGraphicInfo.getY());
                    laneShapesArrayNode.add(laneNode);
                    ObjectNode lanePropertiesNode = objectMapper.createObjectNode();
                    lanePropertiesNode.put(PROPERTY_OVERRIDE_ID, lane.getId());
                    if (StringUtils.isNotEmpty(lane.getName())) {
                        lanePropertiesNode.put(PROPERTY_NAME, lane.getName());
                    }
                    laneNode.put(EDITOR_SHAPE_PROPERTIES, lanePropertiesNode);
                    ArrayNode elementShapesArrayNode = objectMapper.createArrayNode();
                    laneNode.put(EDITOR_CHILD_SHAPES, elementShapesArrayNode);
                    laneNode.put("outgoing", objectMapper.createArrayNode());
                    laneMap.put(lane.getId(), elementShapesArrayNode);
                }
                for (FlowElement flowElement : process.getFlowElements()) {
                    Lane laneForElement = null;
                    GraphicInfo laneGraphicInfo = null;
                    FlowElement lookForElement = null;
                    if (flowElement instanceof SequenceFlow) {
                        SequenceFlow sequenceFlow = (SequenceFlow) flowElement;
                        lookForElement = model.getFlowElement(sequenceFlow.getSourceRef());
                    } else {
                        lookForElement = flowElement;
                    }
                    for (Lane lane : process.getLanes()) {
                        if (lane.getFlowReferences().contains(lookForElement.getId())) {
                            laneGraphicInfo = model.getGraphicInfo(lane.getId());
                            if (laneGraphicInfo != null) {
                                laneForElement = lane;
                            }
                            break;
                        }
                    }
                    if (flowElement instanceof SequenceFlow || laneForElement != null) {
                        processFlowElement(flowElement, process, model, laneMap.get(laneForElement.getId()), laneGraphicInfo.getX(), laneGraphicInfo.getY());
                    }
                }
                processArtifacts(process, model, shapesArrayNode, 0.0, 0.0);
            }
            for (MessageFlow messageFlow : model.getMessageFlows().values()) {
                if (messageFlow.getSourceRef().equals(pool.getId())) {
                    outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(messageFlow.getId()));
                }
            }
        }
        processMessageFlows(model, shapesArrayNode);
    } else {
        processFlowElements(model.getMainProcess(), model, shapesArrayNode, 0.0, 0.0);
        processMessageFlows(model, shapesArrayNode);
    }
    modelNode.put(EDITOR_CHILD_SHAPES, shapesArrayNode);
    return modelNode;
}

Example 24 with FlowElement

use of org.activiti.bpmn.model.FlowElement in project Activiti by Activiti.

the class BpmnJsonConverter method convertToBpmnModel.

public BpmnModel convertToBpmnModel(JsonNode modelNode) {
    BpmnModel bpmnModel = new BpmnModel();
    bpmnModel.setTargetNamespace("http://activiti.org/test");
    Map<String, JsonNode> shapeMap = new HashMap<String, JsonNode>();
    Map<String, JsonNode> sourceRefMap = new HashMap<String, JsonNode>();
    Map<String, JsonNode> edgeMap = new HashMap<String, JsonNode>();
    Map<String, List<JsonNode>> sourceAndTargetMap = new HashMap<String, List<JsonNode>>();
    readShapeDI(modelNode, 0, 0, shapeMap, sourceRefMap, bpmnModel);
    filterAllEdges(modelNode, edgeMap, sourceAndTargetMap, shapeMap, sourceRefMap);
    readEdgeDI(edgeMap, sourceAndTargetMap, bpmnModel);
    ArrayNode shapesArrayNode = (ArrayNode) modelNode.get(EDITOR_CHILD_SHAPES);
    if (shapesArrayNode == null || shapesArrayNode.size() == 0)
        return bpmnModel;
    boolean nonEmptyPoolFound = false;
    Map<String, Lane> elementInLaneMap = new HashMap<String, Lane>();
    // first create the pool structure
    for (JsonNode shapeNode : shapesArrayNode) {
        String stencilId = BpmnJsonConverterUtil.getStencilId(shapeNode);
        if (STENCIL_POOL.equals(stencilId)) {
            Pool pool = new Pool();
            pool.setId(BpmnJsonConverterUtil.getElementId(shapeNode));
            pool.setName(JsonConverterUtil.getPropertyValueAsString(PROPERTY_NAME, shapeNode));
            pool.setProcessRef(JsonConverterUtil.getPropertyValueAsString(PROPERTY_PROCESS_ID, shapeNode));
            pool.setExecutable(JsonConverterUtil.getPropertyValueAsBoolean(PROPERTY_PROCESS_EXECUTABLE, shapeNode, true));
            bpmnModel.getPools().add(pool);
            Process process = new Process();
            process.setId(pool.getProcessRef());
            process.setName(pool.getName());
            process.setExecutable(pool.isExecutable());
            bpmnModel.addProcess(process);
            ArrayNode laneArrayNode = (ArrayNode) shapeNode.get(EDITOR_CHILD_SHAPES);
            for (JsonNode laneNode : laneArrayNode) {
                // should be a lane, but just check to be certain
                String laneStencilId = BpmnJsonConverterUtil.getStencilId(laneNode);
                if (STENCIL_LANE.equals(laneStencilId)) {
                    nonEmptyPoolFound = true;
                    Lane lane = new Lane();
                    lane.setId(BpmnJsonConverterUtil.getElementId(laneNode));
                    lane.setName(JsonConverterUtil.getPropertyValueAsString(PROPERTY_NAME, laneNode));
                    lane.setParentProcess(process);
                    process.getLanes().add(lane);
                    processJsonElements(laneNode.get(EDITOR_CHILD_SHAPES), modelNode, lane, shapeMap, bpmnModel);
                    if (CollectionUtils.isNotEmpty(lane.getFlowReferences())) {
                        for (String elementRef : lane.getFlowReferences()) {
                            elementInLaneMap.put(elementRef, lane);
                        }
                    }
                }
            }
        }
    }
    // Signal Definitions exist on the root level
    JsonNode signalDefinitionNode = BpmnJsonConverterUtil.getProperty(PROPERTY_SIGNAL_DEFINITIONS, modelNode);
    signalDefinitionNode = BpmnJsonConverterUtil.validateIfNodeIsTextual(signalDefinitionNode);
    // no idea why this needs to be done twice ..
    signalDefinitionNode = BpmnJsonConverterUtil.validateIfNodeIsTextual(signalDefinitionNode);
    if (signalDefinitionNode != null) {
        if (signalDefinitionNode instanceof ArrayNode) {
            ArrayNode signalDefinitionArrayNode = (ArrayNode) signalDefinitionNode;
            Iterator<JsonNode> signalDefinitionIterator = signalDefinitionArrayNode.iterator();
            while (signalDefinitionIterator.hasNext()) {
                JsonNode signalDefinitionJsonNode = signalDefinitionIterator.next();
                String signalId = signalDefinitionJsonNode.get(PROPERTY_SIGNAL_DEFINITION_ID).asText();
                String signalName = signalDefinitionJsonNode.get(PROPERTY_SIGNAL_DEFINITION_NAME).asText();
                String signalScope = signalDefinitionJsonNode.get(PROPERTY_SIGNAL_DEFINITION_SCOPE).asText();
                Signal signal = new Signal();
                signal.setId(signalId);
                signal.setName(signalName);
                signal.setScope((signalScope.toLowerCase().equals("processinstance")) ? Signal.SCOPE_PROCESS_INSTANCE : Signal.SCOPE_GLOBAL);
                bpmnModel.addSignal(signal);
            }
        }
    }
    if (nonEmptyPoolFound == false) {
        Process process = new Process();
        bpmnModel.getProcesses().add(process);
        process.setId(BpmnJsonConverterUtil.getPropertyValueAsString(PROPERTY_PROCESS_ID, modelNode));
        process.setName(BpmnJsonConverterUtil.getPropertyValueAsString(PROPERTY_NAME, modelNode));
        String namespace = BpmnJsonConverterUtil.getPropertyValueAsString(PROPERTY_PROCESS_NAMESPACE, modelNode);
        if (StringUtils.isNotEmpty(namespace)) {
            bpmnModel.setTargetNamespace(namespace);
        }
        process.setDocumentation(BpmnJsonConverterUtil.getPropertyValueAsString(PROPERTY_DOCUMENTATION, modelNode));
        JsonNode processExecutableNode = JsonConverterUtil.getProperty(PROPERTY_PROCESS_EXECUTABLE, modelNode);
        if (processExecutableNode != null && StringUtils.isNotEmpty(processExecutableNode.asText())) {
            process.setExecutable(JsonConverterUtil.getPropertyValueAsBoolean(PROPERTY_PROCESS_EXECUTABLE, modelNode));
        }
        BpmnJsonConverterUtil.convertJsonToMessages(modelNode, bpmnModel);
        BpmnJsonConverterUtil.convertJsonToListeners(modelNode, process);
        JsonNode eventListenersNode = BpmnJsonConverterUtil.getProperty(PROPERTY_EVENT_LISTENERS, modelNode);
        if (eventListenersNode != null) {
            eventListenersNode = BpmnJsonConverterUtil.validateIfNodeIsTextual(eventListenersNode);
            BpmnJsonConverterUtil.parseEventListeners(eventListenersNode.get(PROPERTY_EVENTLISTENER_VALUE), process);
        }
        JsonNode processDataPropertiesNode = modelNode.get(EDITOR_SHAPE_PROPERTIES).get(PROPERTY_DATA_PROPERTIES);
        if (processDataPropertiesNode != null) {
            List<ValuedDataObject> dataObjects = BpmnJsonConverterUtil.convertJsonToDataProperties(processDataPropertiesNode, process);
            process.setDataObjects(dataObjects);
            process.getFlowElements().addAll(dataObjects);
        }
        processJsonElements(shapesArrayNode, modelNode, process, shapeMap, bpmnModel);
    } else {
        // sequence flows are on root level so need additional parsing for pools
        for (JsonNode shapeNode : shapesArrayNode) {
            if (STENCIL_SEQUENCE_FLOW.equalsIgnoreCase(BpmnJsonConverterUtil.getStencilId(shapeNode)) || STENCIL_ASSOCIATION.equalsIgnoreCase(BpmnJsonConverterUtil.getStencilId(shapeNode))) {
                String sourceRef = BpmnJsonConverterUtil.lookForSourceRef(shapeNode.get(EDITOR_SHAPE_ID).asText(), modelNode.get(EDITOR_CHILD_SHAPES));
                if (sourceRef != null) {
                    Lane lane = elementInLaneMap.get(sourceRef);
                    SequenceFlowJsonConverter flowConverter = new SequenceFlowJsonConverter();
                    if (lane != null) {
                        flowConverter.convertToBpmnModel(shapeNode, modelNode, this, lane, shapeMap, bpmnModel);
                    } else {
                        flowConverter.convertToBpmnModel(shapeNode, modelNode, this, bpmnModel.getProcesses().get(0), shapeMap, bpmnModel);
                    }
                }
            }
        }
    }
    // sequence flows are now all on root level
    Map<String, SubProcess> subShapesMap = new HashMap<String, SubProcess>();
    for (Process process : bpmnModel.getProcesses()) {
        for (FlowElement flowElement : process.findFlowElementsOfType(SubProcess.class)) {
            SubProcess subProcess = (SubProcess) flowElement;
            fillSubShapes(subShapesMap, subProcess);
        }
        if (subShapesMap.size() > 0) {
            List<String> removeSubFlowsList = new ArrayList<String>();
            for (FlowElement flowElement : process.findFlowElementsOfType(SequenceFlow.class)) {
                SequenceFlow sequenceFlow = (SequenceFlow) flowElement;
                if (subShapesMap.containsKey(sequenceFlow.getSourceRef())) {
                    SubProcess subProcess = subShapesMap.get(sequenceFlow.getSourceRef());
                    if (subProcess.getFlowElement(sequenceFlow.getId()) == null) {
                        subProcess.addFlowElement(sequenceFlow);
                        removeSubFlowsList.add(sequenceFlow.getId());
                    }
                }
            }
            for (String flowId : removeSubFlowsList) {
                process.removeFlowElement(flowId);
            }
        }
    }
    Map<String, FlowWithContainer> allFlowMap = new HashMap<String, FlowWithContainer>();
    List<Gateway> gatewayWithOrderList = new ArrayList<Gateway>();
    // post handling of process elements
    for (Process process : bpmnModel.getProcesses()) {
        postProcessElements(process, process.getFlowElements(), edgeMap, bpmnModel, allFlowMap, gatewayWithOrderList);
    }
    // sort the sequence flows
    for (Gateway gateway : gatewayWithOrderList) {
        List<ExtensionElement> orderList = gateway.getExtensionElements().get("EDITOR_FLOW_ORDER");
        if (CollectionUtils.isNotEmpty(orderList)) {
            for (ExtensionElement orderElement : orderList) {
                String flowValue = orderElement.getElementText();
                if (StringUtils.isNotEmpty(flowValue)) {
                    if (allFlowMap.containsKey(flowValue)) {
                        FlowWithContainer flowWithContainer = allFlowMap.get(flowValue);
                        flowWithContainer.getFlowContainer().removeFlowElement(flowWithContainer.getSequenceFlow().getId());
                        flowWithContainer.getFlowContainer().addFlowElement(flowWithContainer.getSequenceFlow());
                    }
                }
            }
        }
        gateway.getExtensionElements().remove("EDITOR_FLOW_ORDER");
    }
    return bpmnModel;
}

Example 25 with FlowElement

use of org.activiti.bpmn.model.FlowElement in project Activiti by Activiti.

the class BpmnJsonConverterUtil method parseListeners.

protected static void parseListeners(JsonNode listenersNode, BaseElement element, boolean isTaskListener) {
    if (listenersNode == null)
        return;
    listenersNode = validateIfNodeIsTextual(listenersNode);
    for (JsonNode listenerNode : listenersNode) {
        listenerNode = validateIfNodeIsTextual(listenerNode);
        JsonNode eventNode = listenerNode.get(PROPERTY_LISTENER_EVENT);
        if (eventNode != null && eventNode.isNull() == false && StringUtils.isNotEmpty(eventNode.asText())) {
            ActivitiListener listener = new ActivitiListener();
            listener.setEvent(eventNode.asText());
            if (StringUtils.isNotEmpty(getValueAsString(PROPERTY_LISTENER_CLASS_NAME, listenerNode))) {
                listener.setImplementationType(ImplementationType.IMPLEMENTATION_TYPE_CLASS);
                listener.setImplementation(getValueAsString(PROPERTY_LISTENER_CLASS_NAME, listenerNode));
            } else if (StringUtils.isNotEmpty(getValueAsString(PROPERTY_LISTENER_EXPRESSION, listenerNode))) {
                listener.setImplementationType(ImplementationType.IMPLEMENTATION_TYPE_EXPRESSION);
                listener.setImplementation(getValueAsString(PROPERTY_LISTENER_EXPRESSION, listenerNode));
            } else if (StringUtils.isNotEmpty(getValueAsString(PROPERTY_LISTENER_DELEGATE_EXPRESSION, listenerNode))) {
                listener.setImplementationType(ImplementationType.IMPLEMENTATION_TYPE_DELEGATEEXPRESSION);
                listener.setImplementation(getValueAsString(PROPERTY_LISTENER_DELEGATE_EXPRESSION, listenerNode));
            }
            JsonNode fieldsNode = listenerNode.get(PROPERTY_LISTENER_FIELDS);
            if (fieldsNode != null) {
                for (JsonNode fieldNode : fieldsNode) {
                    JsonNode nameNode = fieldNode.get(PROPERTY_FIELD_NAME);
                    if (nameNode != null && nameNode.isNull() == false && StringUtils.isNotEmpty(nameNode.asText())) {
                        FieldExtension fieldExtension = new FieldExtension();
                        fieldExtension.setFieldName(nameNode.asText());
                        fieldExtension.setStringValue(getValueAsString(PROPERTY_FIELD_STRING_VALUE, fieldNode));
                        if (StringUtils.isEmpty(fieldExtension.getStringValue())) {
                            fieldExtension.setStringValue(getValueAsString(PROPERTY_FIELD_STRING, fieldNode));
                        }
                        if (StringUtils.isEmpty(fieldExtension.getStringValue())) {
                            fieldExtension.setExpression(getValueAsString(PROPERTY_FIELD_EXPRESSION, fieldNode));
                        }
                        listener.getFieldExtensions().add(fieldExtension);
                    }
                }
            }
            if (element instanceof Process) {
                ((Process) element).getExecutionListeners().add(listener);
            } else if (element instanceof SequenceFlow) {
                ((SequenceFlow) element).getExecutionListeners().add(listener);
            } else if (element instanceof UserTask) {
                if (isTaskListener) {
                    ((UserTask) element).getTaskListeners().add(listener);
                } else {
                    ((UserTask) element).getExecutionListeners().add(listener);
                }
            } else if (element instanceof FlowElement) {
                ((FlowElement) element).getExecutionListeners().add(listener);
            }
        }
    }
}