Java HistoricTaskInstanceQuery.list方法代码示例

import org.activiti.engine.history.HistoricTaskInstanceQuery; //导入方法依赖的package包/类
private List<WorkflowTask> queryHistoricTasks(WorkflowTaskQuery query)
{
    HistoricTaskInstanceQuery historicQuery = createHistoricTaskQuery(query);

   List<HistoricTaskInstance> results;
   int limit = query.getLimit();
   if (limit > 0)
   {
       results = historicQuery.listPage(0, limit);
   }
   else
   {
       results = historicQuery.list();
   }
   return getValidHistoricTasks(results);
}
 

import org.activiti.engine.history.HistoricTaskInstanceQuery; //导入方法依赖的package包/类
/**
 * История выполнения БП.
 * Список завершенных задач с указанием времени создания, времени завершения, ответственного.
 *
 * @return созданный контент
 */
private Component createHistoryContent(final String processId) {
	// Получение данных
	final HistoryService historyService = lookup(HistoryService.class);
	final HistoricTaskInstanceQuery query = historyService.createHistoricTaskInstanceQuery()
			.processInstanceId(processId)
			.finished()
			.orderByHistoricTaskInstanceEndTime()
			.desc();
	final List<HistoricTaskInstance> resultList = query.list();

	final Panel panel = new Panel("История выполнения БП");
	if (!resultList.isEmpty()) {
		final Container tableContainer = CollectionContainer.fromBeans(resultList);
		final Table table = new Table("Завершенные задачи", tableContainer);
		table.setHeight(10, Unit.EM);
		table.setVisibleColumns("name", "startTime", "endTime", "assignee", "description");
		table.setColumnHeader("name", "Имя задачи");
		table.setColumnHeader("startTime", "Старт задачи");
		table.setColumnHeader("endTime", "Завершение задачи");
		table.setColumnHeader("assignee", "Ответственный");
		table.setConverter("assignee", lookup(LoginToUserNameConverter.class));
		table.setColumnHeader("description", "Описание задачи");
		panel.setContent(table);
	} else {
		panel.setContent(new Label("Нет истории задач для бизнес процесса (Первая задача?)"));
	}

	return panel;
}
 

import org.activiti.engine.history.HistoricTaskInstanceQuery; //导入方法依赖的package包/类
private HistoricTaskInstance queryLastTask(final String processId) {
	final HistoryService historyService = lookup(HistoryService.class);
	final HistoricTaskInstanceQuery query = historyService.createHistoricTaskInstanceQuery()
			.processInstanceId(processId)
			.finished()
			.orderByHistoricTaskInstanceEndTime()
			.desc();
	final List<HistoricTaskInstance> resultList = query.list();
	return resultList.isEmpty() ? null : resultList.get(0);
}
 

import org.activiti.engine.history.HistoricTaskInstanceQuery; //导入方法依赖的package包/类
/**
 * Validates if the logged in user is allowed to get information about a specific process instance.
 * If the user is not allowed an exception is thrown.
 * 
 * @param processId identifier of the process instance
 */
protected List<HistoricVariableInstance> validateIfUserAllowedToWorkWithProcess(String processId)
{
    List<HistoricVariableInstance> variableInstances = activitiProcessEngine.getHistoryService()
            .createHistoricVariableInstanceQuery()
            .processInstanceId(processId)
            .list();
    
    Map<String, Object> variableMap = new HashMap<String, Object>();
    if (variableInstances != null && variableInstances.size() > 0) 
    {
        for (HistoricVariableInstance variableInstance : variableInstances)
        {
            variableMap.put(variableInstance.getVariableName(), variableInstance.getValue());
        }
    }
    else
    {
        throw new EntityNotFoundException(processId);
    }
    
    if (tenantService.isEnabled())
    {
        String tenantDomain = (String) variableMap.get(ActivitiConstants.VAR_TENANT_DOMAIN);
        if (TenantUtil.getCurrentDomain().equals(tenantDomain) == false)
        {
            throw new PermissionDeniedException("Process is running in another tenant");
        }
    }

    //MNT-17918 - required for initiator variable already updated as NodeRef type
    Object initiator = variableMap.get(WorkflowConstants.PROP_INITIATOR);
    String nodeId = ((initiator instanceof ActivitiScriptNode) ? ((ActivitiScriptNode) initiator).getNodeRef().getId() : ((NodeRef) initiator).getId());

    if (initiator != null && AuthenticationUtil.getRunAsUser().equals(nodeId))
    {
        // user is allowed
        return variableInstances;
    }

    String username = AuthenticationUtil.getRunAsUser();
    if (authorityService.isAdminAuthority(username)) 
    {
        // Admin is allowed to read all processes in the current tenant
        return variableInstances;
    }
    else
    {
        // MNT-12382 check for membership in the assigned group
        ActivitiScriptNode group = (ActivitiScriptNode) variableMap.get("bpm_groupAssignee");
        if (group != null)
        {
            // check that the process is unclaimed
            Task task = activitiProcessEngine.getTaskService().createTaskQuery().processInstanceId(processId).singleResult();
            if ((task != null) && (task.getAssignee() == null) && isUserInGroup(username, group.getNodeRef()))
            {
                return variableInstances;
            }
        }

        // If non-admin user, involvement in the task is required (either owner, assignee or externally involved).
        HistoricTaskInstanceQuery query = activitiProcessEngine.getHistoryService()
                .createHistoricTaskInstanceQuery()
                .processInstanceId(processId)
                .taskInvolvedUser(AuthenticationUtil.getRunAsUser());
        
        List<HistoricTaskInstance> taskList = query.list();
        
        if (org.apache.commons.collections.CollectionUtils.isEmpty(taskList)) 
        {
            throw new PermissionDeniedException("user is not allowed to access information about process " + processId);
        }
    }
    
    return variableInstances;
}
 

import org.activiti.engine.history.HistoricTaskInstanceQuery; //导入方法依赖的package包/类
/**
 * Validates if the logged in user is allowed to get information about a specific process instance.
 * If the user is not allowed an exception is thrown.
 * 
 * @param processId identifier of the process instance
 */
protected List<HistoricVariableInstance> validateIfUserAllowedToWorkWithProcess(String processId)
{
    List<HistoricVariableInstance> variableInstances = activitiProcessEngine.getHistoryService()
            .createHistoricVariableInstanceQuery()
            .processInstanceId(processId)
            .list();
    
    Map<String, Object> variableMap = new HashMap<String, Object>();
    if (variableInstances != null && variableInstances.size() > 0) 
    {
        for (HistoricVariableInstance variableInstance : variableInstances)
        {
            variableMap.put(variableInstance.getVariableName(), variableInstance.getValue());
        }
    }
    else
    {
        throw new EntityNotFoundException(processId);
    }
    
    if (tenantService.isEnabled())
    {
        String tenantDomain = (String) variableMap.get(ActivitiConstants.VAR_TENANT_DOMAIN);
        if (TenantUtil.getCurrentDomain().equals(tenantDomain) == false)
        {
            throw new PermissionDeniedException("Process is running in another tenant");
        }
    }
    
    ActivitiScriptNode initiator = (ActivitiScriptNode) variableMap.get(WorkflowConstants.PROP_INITIATOR);
    if (initiator != null && AuthenticationUtil.getRunAsUser().equals(initiator.getNodeRef().getId()))
    {
        // user is allowed
        return variableInstances;
    }
    
    String username = AuthenticationUtil.getRunAsUser();
    if (authorityService.isAdminAuthority(username)) 
    {
        // Admin is allowed to read all processes in the current tenant
        return variableInstances;
    }
    else
    {
        // MNT-12382 check for membership in the assigned group
        ActivitiScriptNode group = (ActivitiScriptNode) variableMap.get("bpm_groupAssignee");
        if (group != null)
        {
            // check that the process is unclaimed
            Task task = activitiProcessEngine.getTaskService().createTaskQuery().processInstanceId(processId).singleResult();
            if ((task != null) && (task.getAssignee() == null) && isUserInGroup(username, group.getNodeRef()))
            {
                return variableInstances;
            }
        }

        // If non-admin user, involvement in the task is required (either owner, assignee or externally involved).
        HistoricTaskInstanceQuery query = activitiProcessEngine.getHistoryService()
                .createHistoricTaskInstanceQuery()
                .processInstanceId(processId)
                .taskInvolvedUser(AuthenticationUtil.getRunAsUser());
        
        List<HistoricTaskInstance> taskList = query.list();
        
        if (org.apache.commons.collections.CollectionUtils.isEmpty(taskList)) 
        {
            throw new PermissionDeniedException("user is not allowed to access information about process " + processId);
        }
    }
    
    return variableInstances;
}