org.activiti.engine.impl.pvm.process.ActivityImpl Java Examples

protected void startProcessInstanceWithInitialActivity(Job job, String configuration, DeploymentManager deploymentManager, CommandContext commandContext) {
    ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) deploymentManager.findDeployedProcessDefinitionById(job.getProcessDefinitionId());

    String activityId = getActivityIdFromConfiguration(configuration);
    ActivityImpl startActivity = processDefinition.findActivity(activityId);

    if (!deploymentManager.isProcessDefinitionSuspended(processDefinition.getId())) {
        dispatchTimerFiredEvent(job, commandContext);

        ExecutionEntity processInstance = processDefinition.createProcessInstance(null, startActivity);
        processInstance.start();

    } else {
        LOGGER.debug("Ignoring timer of suspended process definition {}", processDefinition.getId());
    }

}
 

/**
 * 找到想要回退对应的任务历史.
 */
public HistoricTaskInstanceEntity findTargetHistoricTask(
        CommandContext commandContext, TaskEntity taskEntity,
        ActivityImpl activityImpl) {
    HistoricTaskInstanceQueryImpl historicTaskInstanceQueryImpl = new HistoricTaskInstanceQueryImpl();
    historicTaskInstanceQueryImpl.taskDefinitionKey(activityImpl.getId());
    historicTaskInstanceQueryImpl.processInstanceId(taskEntity
            .getProcessInstanceId());
    historicTaskInstanceQueryImpl.setFirstResult(0);
    historicTaskInstanceQueryImpl.setMaxResults(1);
    historicTaskInstanceQueryImpl.orderByTaskCreateTime().desc();

    HistoricTaskInstanceEntity historicTaskInstanceEntity = (HistoricTaskInstanceEntity) commandContext
            .getHistoricTaskInstanceEntityManager()
            .findHistoricTaskInstancesByQueryCriteria(
                    historicTaskInstanceQueryImpl).get(0);

    return historicTaskInstanceEntity;
}
 

public Object execute(CommandContext commandContext) {
    for (TaskEntity taskEntity : commandContext.getTaskEntityManager()
            .findTasksByExecutionId(executionId)) {
        taskEntity.setVariableLocal("跳转原因", jumpOrigin);
        commandContext.getTaskEntityManager().deleteTask(taskEntity,
                jumpOrigin, false);
    }

    ExecutionEntity executionEntity = commandContext
            .getExecutionEntityManager().findExecutionById(executionId);
    ProcessDefinitionImpl processDefinition = executionEntity
            .getProcessDefinition();
    ActivityImpl activity = processDefinition.findActivity(activityId);

    executionEntity.executeActivity(activity);

    return null;
}
 

/**
 * 分裂某节点为多实例节点
 * 
 * @param targetTaskDefinitionKey
 * @param assignee
 * @throws IOException
 * @throws IllegalAccessException
 * @throws IllegalArgumentException
 */
@Override
public ActivityImpl split(String targetTaskDefinitionKey, boolean isSequential, String... assignees)
		throws Exception
{
	SimpleRuntimeActivityDefinitionEntity info = new SimpleRuntimeActivityDefinitionEntity();
	info.setProcessDefinitionId(_processDefinition.getId());
	info.setProcessInstanceId(_processInstanceId);

	RuntimeActivityDefinitionEntityIntepreter radei = new RuntimeActivityDefinitionEntityIntepreter(info);

	radei.setPrototypeActivityId(targetTaskDefinitionKey);
	radei.setAssignees(CollectionUtils.arrayToList(assignees));
	radei.setSequential(isSequential);

	ActivityImpl clone = new MultiInstanceActivityCreator().createActivities(_processEngine, _processDefinition,
		info)[0];

	TaskEntity currentTaskEntity = getCurrentTask();
	executeCommand(new CreateAndTakeTransitionCmd(currentTaskEntity.getExecutionId(), clone));
	executeCommand(new DeleteRunningTaskCmd(currentTaskEntity));

	recordActivitiesCreation(info);
	return clone;
}
 

private void getHighlightedFlows(List<ActivityImpl> activityList) {
    for (ActivityImpl activity : activityList) {
        if (activity.getProperty("type").equals("subProcess")) {
            // get flows for the subProcess
            getHighlightedFlows(activity.getActivities());
        }

        if (historicActivityInstanceList.contains(activity.getId())) {
            List<PvmTransition> pvmTransitionList = activity
                    .getOutgoingTransitions();

            for (PvmTransition pvmTransition : pvmTransitionList) {
                String destinationFlowId = pvmTransition.getDestination()
                        .getId();

                if (historicActivityInstanceList
                        .contains(destinationFlowId)) {
                    highLightedFlows.add(pvmTransition.getId());
                }
            }
        }
    }
}
 

/** 
 * 根据当前节点，查询输出流向是否为并行终点，如果为并行终点，则拼装对应的并行起点ID 
 *  
 * @param activityImpl 
 *            当前节点 
 * @return 
 */  
private static String findParallelGatewayId(ActivityImpl activityImpl) {  
    List<PvmTransition> incomingTransitions = activityImpl  
            .getOutgoingTransitions();  
    for (PvmTransition pvmTransition : incomingTransitions) {  
        TransitionImpl transitionImpl = (TransitionImpl) pvmTransition;  
        activityImpl = transitionImpl.getDestination();  
        String type = (String) activityImpl.getProperty("type");  
        if ("parallelGateway".equals(type)) {// 并行路线  
            String gatewayId = activityImpl.getId();  
            String gatewayType = gatewayId.substring(gatewayId  
                    .lastIndexOf("_") + 1);  
            if ("END".equals(gatewayType.toUpperCase())) {  
                return gatewayId.substring(0, gatewayId.lastIndexOf("_"))  
                        + "_start";  
            }  
        }  
    }  
    return null;  
}
 

protected void dispatchExecutionTimeOut(Job job, ExecutionEntity execution, CommandContext commandContext) {
    // subprocesses
    for (ExecutionEntity subExecution : execution.getExecutions()) {
        dispatchExecutionTimeOut(job, subExecution, commandContext);
    }

    // call activities
    ExecutionEntity subProcessInstance = commandContext.getExecutionEntityManager().findSubProcessInstanceBySuperExecutionId(execution.getId());
    if (subProcessInstance != null) {
        dispatchExecutionTimeOut(job, subProcessInstance, commandContext);
    }

    // activity with timer boundary event
    ActivityImpl activity = execution.getActivity();
    if (activity != null && activity.getActivityBehavior() != null) {
        dispatchActivityTimeOut(job, activity, execution, commandContext);
    }
}
 

/**
 * 流程转向操作
 * @param taskId 当前任务ID
 * @param activityId 目标节点任务ID
 * @param variables  流程变量
 * @throws Exception
 */
private void turnTransition(String taskId,String activityId,Map<String,Object> variables)throws Exception{
    //当前节点
    ActivityImpl currActivity = findActivitiImpl(taskId,null);
    //清空当前流向
    List<PvmTransition> oriPvmTransitionList =  clearTransition(currActivity);

    //创建新流向
    TransitionImpl newTransition = currActivity.createOutgoingTransition();

    //目标节点
    ActivityImpl pointActivity = findActivitiImpl(taskId,activityId);

    //设置新流向的目标节点
    newTransition.setDestination(pointActivity);

    //执行转向任务
    taskService.complete(taskId,variables);

    //删除目标节点新流入
    pointActivity.getIncomingTransitions().remove(newTransition);

}
 

@Override
public void execute(DelegateExecution delegateExecution) {
    ActivityExecution execution = (ActivityExecution) delegateExecution;
    ActivityImpl terminateEndEventActivity = (ActivityImpl) execution.getActivity();

    if (terminateAll) {
        ActivityExecution processInstanceExecution = findRootProcessInstanceExecution((ExecutionEntity) execution);
        terminateProcessInstanceExecution(execution, terminateEndEventActivity, processInstanceExecution);
    } else {
        ActivityExecution scopeExecution = ScopeUtil.findScopeExecution(execution);
        if (scopeExecution != null) {
            terminateExecution(execution, terminateEndEventActivity, scopeExecution);
        }
    }

}
 

/**
 * 找到想要回退对应的节点历史.
 */
public HistoricActivityInstanceEntity findTargetHistoricActivity(
        CommandContext commandContext, TaskEntity taskEntity,
        ActivityImpl activityImpl) {
    HistoricActivityInstanceQueryImpl historicActivityInstanceQueryImpl = new HistoricActivityInstanceQueryImpl();
    historicActivityInstanceQueryImpl.activityId(activityImpl.getId());
    historicActivityInstanceQueryImpl.processInstanceId(taskEntity
            .getProcessInstanceId());
    historicActivityInstanceQueryImpl
            .orderByHistoricActivityInstanceEndTime().desc();

    HistoricActivityInstanceEntity historicActivityInstanceEntity = (HistoricActivityInstanceEntity) commandContext
            .getHistoricActivityInstanceEntityManager()
            .findHistoricActivityInstancesByQueryCriteria(
                    historicActivityInstanceQueryImpl, new Page(0, 1))
            .get(0);

    return historicActivityInstanceEntity;
}
 

protected ActivityImpl createActivity(ProcessEngine processEngine, ProcessDefinitionEntity processDefinition,
		ActivityImpl prototypeActivity, String cloneActivityId, String assignee)
{
	ActivityImpl clone = cloneActivity(processDefinition, prototypeActivity, cloneActivityId, "executionListeners",
		"properties");

	//设置assignee
	UserTaskActivityBehavior activityBehavior = (UserTaskActivityBehavior) (prototypeActivity.getActivityBehavior());

	TaskDefinition taskDefinition = cloneTaskDefinition(activityBehavior.getTaskDefinition());
	taskDefinition.setKey(cloneActivityId);
	if (assignee != null)
	{
		taskDefinition.setAssigneeExpression(new FixedValue(assignee));
	}

	UserTaskActivityBehavior cloneActivityBehavior = new UserTaskActivityBehavior(prototypeActivity.getId(), taskDefinition);
	clone.setActivityBehavior(cloneActivityBehavior);

	return clone;
}
 

@SuppressWarnings("unchecked")
public void lastExecutionEnded(ActivityExecution execution) {

    ActivityExecution outgoingExecution = execution.getParent().createExecution();
    outgoingExecution.setConcurrent(false);
    ((InterpretableExecution) outgoingExecution).setActivity((ActivityImpl) execution.getActivity());

    // eventscope execution
    execution.setConcurrent(false);
    execution.setActive(false);
    ((InterpretableExecution) execution).setEventScope(true);

    List<PvmTransition> outgoingTransitions = execution.getActivity().getOutgoingTransitions();
    if (outgoingTransitions.isEmpty()) {
        outgoingExecution.end();
    } else {
        outgoingExecution.takeAll(outgoingTransitions, Collections.EMPTY_LIST);
    }
}
 

/**
 * 封装输出信息，包括：当前节点的X、Y坐标、变量信息、任务类型、任务描述
 *
 * @param activity
 * @param currentActiviti
 * @return
 */
private Map<String, Object> packageSingleActivitiInfo(ActivityImpl activity, String executionId,
                                                      boolean currentActiviti) throws Exception {
    Map<String, Object> activityInfo = new HashMap<String, Object>();
    activityInfo.put("currentActiviti", currentActiviti);

    // 设置图形的XY坐标以及宽度、高度
    setSizeAndPositonInfo(activity, activityInfo);

    Map<String, Object> vars = new HashMap<String, Object>();
    Map<String, Object> properties = activity.getProperties();
    vars.put("任务类型", ActivityUtil.getZhActivityType(properties.get("type").toString()));
    vars.put("任务名称", properties.get("name"));

    // 当前节点的task
    if (currentActiviti) {
        setCurrentTaskInfo(executionId, activity.getId(), vars);
    }

    logger.debug("trace variables: {}", vars);
    activityInfo.put("vars", vars);
    return activityInfo;
}
 

@Override
public void execute(InterpretableExecution execution) {
    InterpretableExecution propagatingExecution = null;
    ActivityImpl activity = (ActivityImpl) execution.getActivity();
    if (activity.isScope()) {
        propagatingExecution = (InterpretableExecution) execution.createExecution();
        propagatingExecution.setActivity(activity);
        propagatingExecution.setTransition(execution.getTransition());
        execution.setTransition(null);
        execution.setActivity(null);
        execution.setActive(false);
        LOGGER.debug("create scope: parent {} continues as execution {}", execution, propagatingExecution);
        propagatingExecution.initialize();

    } else {
        propagatingExecution = execution;
    }

    propagatingExecution.performOperation(AtomicOperation.TRANSITION_NOTIFY_LISTENER_START);
}
 

@Override
protected void eventNotificationsCompleted(InterpretableExecution execution) {
    if (Context.getProcessEngineConfiguration() != null && Context.getProcessEngineConfiguration().getEventDispatcher().isEnabled()) {
        Map<String, Object> variablesMap = null;
        try {
            variablesMap = execution.getVariables();
        } catch (Throwable t) {
            // In some rare cases getting the execution variables can fail (JPA entity load failure for example)
            // We ignore the exception here, because it's only meant to include variables in the initialized event.
        }
        Context.getProcessEngineConfiguration().getEventDispatcher().dispatchEvent(
                ActivitiEventBuilder.createEntityWithVariablesEvent(FlowableEngineEventType.ENTITY_INITIALIZED,
                        execution, variablesMap, false));
        Context.getProcessEngineConfiguration().getEventDispatcher()
                .dispatchEvent(ActivitiEventBuilder.createProcessStartedEvent(execution, variablesMap, false));
    }

    ProcessDefinitionImpl processDefinition = execution.getProcessDefinition();
    StartingExecution startingExecution = execution.getStartingExecution();
    List<ActivityImpl> initialActivityStack = processDefinition.getInitialActivityStack(startingExecution.getInitial());
    execution.setActivity(initialActivityStack.get(0));
    execution.performOperation(PROCESS_START_INITIAL);
}
 

@Override
protected void eventNotificationsCompleted(InterpretableExecution execution) {
    ActivityImpl activity = (ActivityImpl) execution.getActivity();
    if ((execution.isScope())
            && (activity != null)) {
        execution.setActivity(activity.getParentActivity());
        execution.performOperation(AtomicOperation.DELETE_CASCADE_FIRE_ACTIVITY_END);

    } else {
        if (execution.isScope()) {
            execution.destroy();
        }

        execution.remove();

        if (!execution.isDeleteRoot()) {
            InterpretableExecution parent = (InterpretableExecution) execution.getParent();
            if (parent != null) {
                parent.performOperation(AtomicOperation.DELETE_CASCADE);
            }
        }
    }
}
 

/**
     * 跳转到任务执行页面
     * @param request
     * @return
     */
    @RequestMapping(value = "/form.do")
    public String from(HttpServletRequest request,
                       @RequestParam("taskId")String taskId,
                       Model model){

        List<Task> taskList =  taskService.createTaskQuery().taskId(taskId).list();
        Task task = taskList.get(0);
        //获取表单数据
        TaskFormData tfd =  formService.getTaskFormData(taskId);
        List<FormProperty>   fpList = tfd.getFormProperties();

        Map map = runtimeService.getVariables(task.getExecutionId());

        List<ActivityImpl> activityList = new ArrayList<ActivityImpl>();

        try {
            //查找所有可驳回的节点
            activityList = processExtensionService.findBackActivity(taskId);
            //model.addAttribute("activityList",activityList);
        }catch (Exception e){
            e.printStackTrace();
        }


//        model.addAttribute("task",task);
//        model.addAttribute("fpList",fpList);
//        model.addAttribute("map",map);
//        model.addAttribute("taskId",taskId);

        request.setAttribute("task", task);
        request.setAttribute("fpList", fpList);
        request.setAttribute("map", map);
        request.setAttribute("taskId", taskId);
        request.setAttribute("activityList", activityList);
        
        return "/simple/form";
    }
 

private List<String> getHighLightedFlows(ProcessDefinitionEntity processDefinition, String processInstanceId) {
    List<String> highLightedFlows = new ArrayList<String>();
    List<HistoricActivityInstance> historicActivityInstances = historyService
            .createHistoricActivityInstanceQuery()
            .processInstanceId(processInstanceId)
            .orderByHistoricActivityInstanceStartTime().asc().list();

    List<String> historicActivityInstanceList = new ArrayList<String>();
    for (HistoricActivityInstance hai : historicActivityInstances) {
        historicActivityInstanceList.add(hai.getActivityId());
    }

    // add current activities to list
    List<String> highLightedActivities = runtimeService.getActiveActivityIds(processInstanceId);
    historicActivityInstanceList.addAll(highLightedActivities);

    // activities and their sequence-flows
    for (ActivityImpl activity : processDefinition.getActivities()) {
        int index = historicActivityInstanceList.indexOf(activity.getId());

        if (index >= 0 && index + 1 < historicActivityInstanceList.size()) {
            List<PvmTransition> pvmTransitionList = activity
                    .getOutgoingTransitions();
            for (PvmTransition pvmTransition : pvmTransitionList) {
                String destinationFlowId = pvmTransition.getDestination().getId();
                if (destinationFlowId.equals(historicActivityInstanceList.get(index + 1))) {
                    highLightedFlows.add(pvmTransition.getId());
                }
            }
        }
    }
    return highLightedFlows;
}
 

/**
 * 设置宽度、高度、坐标属性
 *
 * @param activity
 * @param activityInfo
 */
private void setSizeAndPositonInfo(ActivityImpl activity, Map<String, Object> activityInfo) {
    activityInfo.put("width", activity.getWidth());
    activityInfo.put("height", activity.getHeight());
    activityInfo.put("x", activity.getX());
    activityInfo.put("y", activity.getY());
}
 

/**
 * 设置宽度、高度、坐标属性
 *
 * @param activity
 * @param activityInfo
 */
private void setSizeAndPositonInfo(ActivityImpl activity, Map<String, Object> activityInfo) {
    activityInfo.put("width", activity.getWidth());
    activityInfo.put("height", activity.getHeight());
    activityInfo.put("x", activity.getX());
    activityInfo.put("y", activity.getY());
}
 

/**
 * 还原指定活动节点流向
 * @param activityImpl 活动节点
 * @param oriPvmTransitionList 原有节点流向集合
 */
private static void restoreTransition(ActivityImpl activityImpl,List<PvmTransition> oriPvmTransitionList){
    //清空现有流向
    List<PvmTransition> pvmTransitionList = activityImpl.getOutgoingTransitions();
    pvmTransitionList.clear();

    for(PvmTransition pvmTransition:oriPvmTransitionList){
        pvmTransitionList.add(pvmTransition);
    }
}
 

/**
 * 流程跟踪图
 * @param processInstanceId		流程实例ID
 * @return	封装了各种节点信息
 */
public List<Map<String, Object>> traceProcess(String processInstanceId) throws Exception {
	//根据流程实例获取流程节点
	Execution execution = runtimeService.createExecutionQuery().executionId(processInstanceId).singleResult();//执行实例
	Object property = PropertyUtils.getProperty(execution, "activityId");
	String activityId = "";
	if (property != null) {
		activityId = property.toString();
	}
	//查询流程实例
	ProcessInstance processInstance = runtimeService.createProcessInstanceQuery().processInstanceId(processInstanceId).singleResult();
	//根据流程定义id查询流程定义
	ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) ((RepositoryServiceImpl) repositoryService).getDeployedProcessDefinition(processInstance.getProcessDefinitionId());
	//获取该流程定义的所有节点
	List<ActivityImpl> activitiList = processDefinition.getActivities();//获得当前任务的所有节点

	List<Map<String, Object>> activityInfos = new ArrayList<Map<String, Object>>();
	for (ActivityImpl activity : activitiList) {

		boolean currentActiviti = false;
		String id = activity.getId();

		// 判断是否是当前节点
		if (id.equals(activityId)) {
			currentActiviti = true;
		}

		Map<String, Object> activityImageInfo = packageSingleActivitiInfo(activity, processInstance, currentActiviti);

		activityInfos.add(activityImageInfo);
	}

	return activityInfos;
}
 

public ActivityImpl getActivity(
        HistoricActivityInstanceEntity historicActivityInstanceEntity) {
    ProcessDefinitionEntity processDefinitionEntity = new GetDeploymentProcessDefinitionCmd(
            historicActivityInstanceEntity.getProcessDefinitionId())
            .execute(Context.getCommandContext());

    return processDefinitionEntity
            .findActivity(historicActivityInstanceEntity.getActivityId());
}
 

@Override
protected void executeParse(BpmnParse bpmnParse, SubProcess subProcess) {

    ActivityImpl activity = createActivityOnScope(bpmnParse, subProcess, BpmnXMLConstants.ELEMENT_SUBPROCESS, bpmnParse.getCurrentScope());

    activity.setAsync(subProcess.isAsynchronous());
    activity.setExclusive(!subProcess.isNotExclusive());

    boolean triggeredByEvent = false;
    if (subProcess instanceof EventSubProcess) {
        triggeredByEvent = true;
    }
    activity.setProperty("triggeredByEvent", triggeredByEvent);

    // event subprocesses are not scopes
    activity.setScope(!triggeredByEvent);
    activity.setActivityBehavior(bpmnParse.getActivityBehaviorFactory().createSubprocActivityBehavior(subProcess));

    bpmnParse.setCurrentScope(activity);
    bpmnParse.setCurrentSubProcess(subProcess);

    bpmnParse.processFlowElements(subProcess.getFlowElements());
    processArtifacts(bpmnParse, subProcess.getArtifacts(), activity);

    // no data objects for event subprocesses
    if (!(subProcess instanceof EventSubProcess)) {
        // parse out any data objects from the template in order to set up the necessary process variables
        Map<String, Object> variables = processDataObjects(bpmnParse, subProcess.getDataObjects(), activity);
        activity.setVariables(variables);
    }

    bpmnParse.removeCurrentScope();
    bpmnParse.removeCurrentSubProcess();
}
 

@Override
protected void executeParse(BpmnParse bpmnParse, EventGateway gateway) {
    ActivityImpl activity = createActivityOnCurrentScope(bpmnParse, gateway, BpmnXMLConstants.ELEMENT_GATEWAY_EVENT);
    activity.setActivityBehavior(bpmnParse.getActivityBehaviorFactory().createEventBasedGatewayActivityBehavior(gateway));

    activity.setAsync(gateway.isAsynchronous());
    activity.setExclusive(!gateway.isNotExclusive());
    activity.setScope(true);
}
 

/**
 * 流程跟踪图信息
 * @param processInstanceId		流程实例ID
 * @return	封装了各种节点信息
 */
public List<Map<String, Object>> traceProcess(String processInstanceId) throws Exception {
	Execution execution = runtimeService.createExecutionQuery().executionId(processInstanceId).singleResult();//执行实例
	Object property = PropertyUtils.getProperty(execution, "activityId");
	String activityId = "";
	if (property != null) {
		activityId = property.toString();
	}
	ProcessInstance processInstance = runtimeService.createProcessInstanceQuery().processInstanceId(processInstanceId)
			.singleResult();
	ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) ((RepositoryServiceImpl) repositoryService)
			.getDeployedProcessDefinition(processInstance.getProcessDefinitionId());
	List<ActivityImpl> activitiList = processDefinition.getActivities();//获得当前任务的所有节点

	List<Map<String, Object>> activityInfos = new ArrayList<Map<String, Object>>();
	for (ActivityImpl activity : activitiList) {

		boolean currentActiviti = false;
		String id = activity.getId();

		// 当前节点
		if (id.equals(activityId)) {
			currentActiviti = true;
		}

		Map<String, Object> activityImageInfo = packageSingleActivitiInfo(activity, processInstance, currentActiviti);

		activityInfos.add(activityImageInfo);
	}

	return activityInfos;
}
 

/** 
 * 反向排序list集合，便于驳回节点按顺序显示 
 *  
 * @param list 
 * @return 
 */  
private static List<ActivityImpl> reverList(List<ActivityImpl> list) {  
    List<ActivityImpl> rtnList = new ArrayList<ActivityImpl>();  
    // 由于迭代出现重复数据，排除重复  
    for (int i = list.size(); i > 0; i--) {  
        if (!rtnList.contains(list.get(i - 1)))  
            rtnList.add(list.get(i - 1));  
    }  
    return rtnList;  
}
 

/**
 * 设置指定活动的用户权限，包括钦定用户、候选用户、候选组
 */
public void grantPermission(ActivityImpl activity, String assigneeExpression, String candidateGroupIdExpressions,
		String candidateUserIdExpressions) throws Exception
{
	ProcessDefinitionUtils.grantPermission(activity, assigneeExpression, candidateGroupIdExpressions,
		candidateUserIdExpressions);
}
 

protected void createScopeStartEvent(BpmnParse bpmnParse, ActivityImpl startEventActivity, StartEvent startEvent) {

        ScopeImpl scope = bpmnParse.getCurrentScope();
        Object triggeredByEvent = scope.getProperty("triggeredByEvent");
        boolean isTriggeredByEvent = triggeredByEvent != null && ((Boolean) triggeredByEvent);

        if (isTriggeredByEvent) { // event subprocess

            // all start events of an event subprocess share common behavior
            EventSubProcessStartEventActivityBehavior activityBehavior = bpmnParse.getActivityBehaviorFactory().createEventSubProcessStartEventActivityBehavior(startEvent, startEventActivity.getId());
            startEventActivity.setActivityBehavior(activityBehavior);

            if (!startEvent.getEventDefinitions().isEmpty()) {
                EventDefinition eventDefinition = startEvent.getEventDefinitions().get(0);

                if (eventDefinition instanceof org.flowable.bpmn.model.ErrorEventDefinition
                        || eventDefinition instanceof MessageEventDefinition
                        || eventDefinition instanceof SignalEventDefinition) {
                    bpmnParse.getBpmnParserHandlers().parseElement(bpmnParse, eventDefinition);
                } else {
                    LOGGER.warn("start event of event subprocess must be of type 'error', 'message' or 'signal' for start event {}", startEvent.getId());
                }
            }

        } else { // "regular" subprocess

            if (!startEvent.getEventDefinitions().isEmpty()) {
                LOGGER.warn("event definitions only allowed on start event if subprocess is an event subprocess {}", bpmnParse.getCurrentSubProcess().getId());
            }
            if (scope.getProperty(PROPERTYNAME_INITIAL) == null) {
                scope.setProperty(PROPERTYNAME_INITIAL, startEventActivity);
                startEventActivity.setActivityBehavior(bpmnParse.getActivityBehaviorFactory().createNoneStartEventActivityBehavior(startEvent));
            } else {
                LOGGER.warn("multiple start events not supported for subprocess {}", bpmnParse.getCurrentSubProcess().getId());
            }
        }

    }
 

/**
 * 获得历史节点对应的节点信息.
 */
public ActivityImpl getActivity(
        HistoricActivityInstanceEntity historicActivityInstanceEntity) {
    ProcessDefinitionEntity processDefinitionEntity = new GetDeploymentProcessDefinitionCmd(
            historicActivityInstanceEntity.getProcessDefinitionId())
            .execute(Context.getCommandContext());

    return processDefinitionEntity
            .findActivity(historicActivityInstanceEntity.getActivityId());
}