Get Candidate Groups of Task

Support
#1

Hi there,

On Task creation, I want to send emails to the Task’s Candidate Group’s Users.
Is it possible to get the Candidate Groups / Users in a UserTaskCreatedEvent Listener for the given task?

#3

Hi,
The following snippet demonstrates how you can get the information about task candidates:

@Component(TaskCreatedNotificationSender.NAME)
public class TaskCreatedNotificationSender {

    public static final String NAME = "my_TaskCreatedNotificationSender";

    @Inject
    private UserGroupService userGroupService;

    @Inject
    private DataManager dataManager;

    private static final Logger log = LoggerFactory.getLogger(TaskCreatedNotificationSender.class);

    @EventListener
    protected void onTaskCreated(UserTaskCreatedEvent event) {
        TaskData taskData = event.getTaskData();
        TaskService taskService = ProcessEngines.getDefaultProcessEngine().getTaskService();
        
        //get the Flowable task object
        Task task = taskService.createTaskQuery()
                .taskId(taskData.getId())
                .singleResult();
        
        //get candidate group codes from identity links
        List<? extends IdentityLinkInfo> identityLinks = task.getIdentityLinks();
        String groupId = identityLinks.get(0).getGroupId();

        log.info("Candidate group code: {}", groupId);

        UserGroup userGroup = dataManager.load(UserGroup.class)
                .query("where e.code = :code")
                .parameter("code", groupId)
                .one();
        
        //find users of the given user group using the UserGroupService
        List<User> users = userGroupService.getUsers(userGroup);

        String userLogins = users.stream()
                .map(User::getLogin)
                .collect(Collectors.joining(", "));

        log.info("Group users: {}", userLogins);
    }
}
#4

Perfect, thanks