Java Code Examples for org.activiti.engine.history.HistoricTaskInstance#getProcessInstanceId()

/**
 * Check if the given user is allowed to read the task.
 */
public HistoricTaskInstance validateReadPermissionOnTask(User user, String taskId) {

  List<HistoricTaskInstance> tasks = historyService.createHistoricTaskInstanceQuery().taskId(taskId).taskInvolvedUser(String.valueOf(user.getId())).list();

  if (CollectionUtils.isNotEmpty(tasks)) {
    return tasks.get(0);
  }

  // Task is maybe accessible through groups of user
  HistoricTaskInstanceQuery historicTaskInstanceQuery = historyService.createHistoricTaskInstanceQuery();
  historicTaskInstanceQuery.taskId(taskId);

  List<String> groupIds = getGroupIdsForUser(user);
  if (!groupIds.isEmpty()) {
    historicTaskInstanceQuery.taskCandidateGroupIn(getGroupIdsForUser(user));
  }

  tasks = historicTaskInstanceQuery.list();
  if (CollectionUtils.isNotEmpty(tasks)) {
    return tasks.get(0);
  }

  // Last resort: user has access to proc inst -> can see task
  tasks = historyService.createHistoricTaskInstanceQuery().taskId(taskId).list();
  if (CollectionUtils.isNotEmpty(tasks)) {
    HistoricTaskInstance task = tasks.get(0);
    if (task != null && task.getProcessInstanceId() != null) {
      boolean hasReadPermissionOnProcessInstance = hasReadPermissionOnProcessInstance(user, task.getProcessInstanceId());
      if (hasReadPermissionOnProcessInstance) {
        return task;
      }
    }
  }
  throw new NotPermittedException("User is not allowed to work with task " + taskId);
}
 

/**
     * 获取用户审批的任务
     *
     * @param user 用户信息
     */
    public List<PurchaseApplyDto> getUserHistoryTasks(@RequestBody AuditUser user) {
        HistoryService historyService = processEngine.getHistoryService();

        HistoricTaskInstanceQuery historicTaskInstanceQuery = historyService.createHistoricTaskInstanceQuery()
                .processDefinitionKey("resourceEnter")
                .taskAssignee(user.getUserId());
        if (!StringUtil.isEmpty(user.getAuditLink()) && "START".equals(user.getAuditLink())) {
            historicTaskInstanceQuery.taskName("resourceEnter");
        } else if (!StringUtil.isEmpty(user.getAuditLink()) && "AUDIT".equals(user.getAuditLink())) {
            historicTaskInstanceQuery.taskName("resourceEnterDealUser");
        }

        Query query = historicTaskInstanceQuery.orderByHistoricTaskInstanceStartTime().desc();

        List<HistoricTaskInstance> list = null;
        if (user.getPage() != PageDto.DEFAULT_PAGE) {
            list = query.listPage((user.getPage() - 1) * user.getRow(), user.getRow());
        } else {
            list = query.list();
        }

        List<String> complaintIds = new ArrayList<>();
        for (HistoricTaskInstance task : list) {
            String processInstanceId = task.getProcessInstanceId();
            //3.使用流程实例，查询
            HistoricProcessInstance pi = historyService.createHistoricProcessInstanceQuery().processInstanceId(processInstanceId).singleResult();
            //4.使用流程实例对象获取BusinessKey
            String business_key = pi.getBusinessKey();
            complaintIds.add(business_key);
        }

        //查询 投诉信息
//        ComplaintDto complaintDto = new ComplaintDto();
//        complaintDto.setStoreId(user.getStoreId());
//        complaintDto.setCommunityId(user.getCommunityId());
//        complaintDto.setComplaintIds(complaintIds.toArray(new String[complaintIds.size()]));
//        List<ComplaintDto> tmpComplaintDtos = complaintInnerServiceSMOImpl.queryComplaints(complaintDto);
        return null;
    }
 

/**
 * 获取用户审批的任务
 *
 * @param user 用户信息
 */
public List<ComplaintDto> getUserHistoryTasks(@RequestBody AuditUser user) {
    HistoryService historyService = processEngine.getHistoryService();

    HistoricTaskInstanceQuery historicTaskInstanceQuery = historyService.createHistoricTaskInstanceQuery()
            .processDefinitionKey(getWorkflowDto(user.getCommunityId()))
            .taskAssignee(user.getUserId());
    if (!StringUtil.isEmpty(user.getAuditLink()) && "START".equals(user.getAuditLink())) {
        historicTaskInstanceQuery.taskName("complaint");
    } else if (!StringUtil.isEmpty(user.getAuditLink()) && "AUDIT".equals(user.getAuditLink())) {
        historicTaskInstanceQuery.taskName("complaitDealUser");
    }

    Query query = historicTaskInstanceQuery.orderByHistoricTaskInstanceStartTime().desc();

    List<HistoricTaskInstance> list = null;
    if (user.getPage() != PageDto.DEFAULT_PAGE) {
        list = query.listPage((user.getPage() - 1) * user.getRow(), user.getRow());
    } else {
        list = query.list();
    }

    List<String> complaintIds = new ArrayList<>();
    for (HistoricTaskInstance task : list) {
        String processInstanceId = task.getProcessInstanceId();
        //3.使用流程实例，查询
        HistoricProcessInstance pi = historyService.createHistoricProcessInstanceQuery().processInstanceId(processInstanceId).singleResult();
        //4.使用流程实例对象获取BusinessKey
        String business_key = pi.getBusinessKey();
        complaintIds.add(business_key);
    }

    //查询 投诉信息
    ComplaintDto complaintDto = new ComplaintDto();
    complaintDto.setStoreId(user.getStoreId());
    complaintDto.setCommunityId(user.getCommunityId());
    complaintDto.setComplaintIds(complaintIds.toArray(new String[complaintIds.size()]));
    List<ComplaintDto> tmpComplaintDtos = complaintInnerServiceSMOImpl.queryComplaints(complaintDto);
    return tmpComplaintDtos;
}
 

public Task(HistoricTaskInstance taskInstance)
{
    this.id = taskInstance.getId();
    this.processId = taskInstance.getProcessInstanceId();
    this.processDefinitionId = taskInstance.getProcessDefinitionId();
    this.activityDefinitionId = taskInstance.getTaskDefinitionKey();
    this.name = taskInstance.getName();
    this.description = taskInstance.getDescription();
    this.dueAt = taskInstance.getDueDate();
    this.startedAt = taskInstance.getStartTime();
    this.endedAt = taskInstance.getEndTime();
    this.durationInMs = taskInstance.getDurationInMillis();
    this.priority = taskInstance.getPriority();
    this.owner = taskInstance.getOwner();
    this.assignee = taskInstance.getAssignee();
    this.formResourceKey = taskInstance.getFormKey();
    if (taskInstance.getEndTime() != null)
    {
    	this.state = TaskStateTransition.COMPLETED.name().toLowerCase();
    }
    else if (taskInstance.getAssignee() != null)
    {
    	this.state = TaskStateTransition.CLAIMED.name().toLowerCase();
    }
    else
    {
    	this.state = TaskStateTransition.UNCLAIMED.name().toLowerCase();
    }
}
 

@Override
public Item getItem(String taskId, String itemId)
{
    HistoricTaskInstance task = getValidHistoricTask(taskId);
    
    if (task.getProcessInstanceId() == null)
    {
        throw new UnsupportedResourceOperationException("Task is not part of process, no items available.");
    }
    return getItemFromProcess(itemId, task.getProcessInstanceId());
}
 

@Override
public CollectionWithPagingInfo<Item> getItems(String taskId, Paging paging)
{
    HistoricTaskInstance task = getValidHistoricTask(taskId);
    
    if (task.getProcessInstanceId() == null)
    {
        throw new UnsupportedResourceOperationException("Task is not part of process, no items available.");
    }
    return getItemsFromProcess(task.getProcessInstanceId(), paging);
}
 

public FormDefinition getTaskForm(String taskId) {
  HistoricTaskInstance task = permissionService.validateReadPermissionOnTask(SecurityUtils.getCurrentUserObject(), taskId);
  
  Map<String, Object> variables = new HashMap<String, Object>();
  if (task.getProcessInstanceId() != null) {
    List<HistoricVariableInstance> variableInstances = historyService.createHistoricVariableInstanceQuery()
        .processInstanceId(task.getProcessInstanceId())
        .list();
    
    for (HistoricVariableInstance historicVariableInstance : variableInstances) {
      variables.put(historicVariableInstance.getVariableName(), historicVariableInstance.getValue());
    }
  }
  
  String parentDeploymentId = null;
  if (StringUtils.isNotEmpty(task.getProcessDefinitionId())) {
    try {
      ProcessDefinition processDefinition = repositoryService.getProcessDefinition(task.getProcessDefinitionId());
      parentDeploymentId = processDefinition.getDeploymentId();
      
    } catch (ActivitiException e) {
      logger.error("Error getting process definition " + task.getProcessDefinitionId(), e);
    }
  }
  
  FormDefinition formDefinition = null;
  if (task.getEndTime() != null) {
    formDefinition = formService.getCompletedTaskFormDefinitionByKeyAndParentDeploymentId(task.getFormKey(), parentDeploymentId, 
        taskId, task.getProcessInstanceId(), variables, task.getTenantId());
    
  } else {
    formDefinition = formService.getTaskFormDefinitionByKeyAndParentDeploymentId(task.getFormKey(), parentDeploymentId, 
        task.getProcessInstanceId(), variables, task.getTenantId());
  }

  // If form does not exists, we don't want to leak out this info to just anyone
  if (formDefinition == null) {
    throw new NotFoundException("Form definition for task " + task.getTaskDefinitionKey() + " cannot be found for form key " + task.getFormKey());
  }

  return formDefinition;
}