Examples with TaskEventSupport org.jbpm.services.task.events.TaskEventSupport used on opensource projects

Example 1 with TaskEventSupport

use of org.jbpm.services.task.events.TaskEventSupport in project jbpm by kiegroup.

the class ExecuteDeadlinesCommand method execute.

@SuppressWarnings("unchecked")
@Override
public Void execute(Context context) {
    TaskContext ctx = (TaskContext) context;
    UserInfo userInfo = (UserInfo) context.get(EnvironmentName.TASK_USER_INFO);
    TaskPersistenceContext persistenceContext = ctx.getPersistenceContext();
    try {
        Task task = persistenceContext.findTask(taskId);
        Deadline deadline = persistenceContext.findDeadline(deadlineId);
        if (task == null || deadline == null) {
            return null;
        }
        TaskData taskData = task.getTaskData();
        if (taskData != null) {
            // check if task is still in valid status
            if (type.isValidStatus(taskData.getStatus())) {
                Map<String, Object> variables = null;
                Content content = persistenceContext.findContent(taskData.getDocumentContentId());
                if (content != null) {
                    ContentMarshallerContext mContext = ctx.getTaskContentService().getMarshallerContext(task);
                    Object objectFromBytes = ContentMarshallerHelper.unmarshall(content.getContent(), mContext.getEnvironment(), mContext.getClassloader());
                    if (objectFromBytes instanceof Map) {
                        variables = (Map<String, Object>) objectFromBytes;
                    } else {
                        variables = new HashMap<String, Object>();
                        variables.put("content", objectFromBytes);
                    }
                } else {
                    variables = Collections.emptyMap();
                }
                if (deadline == null || deadline.getEscalations() == null) {
                    return null;
                }
                TaskEventSupport taskEventSupport = ctx.getTaskEventSupport();
                for (Escalation escalation : deadline.getEscalations()) {
                    // run reassignment first to allow notification to be send to new potential owners
                    if (!escalation.getReassignments().isEmpty()) {
                        taskEventSupport.fireBeforeTaskReassigned(task, ctx);
                        // get first and ignore the rest.
                        Reassignment reassignment = escalation.getReassignments().get(0);
                        logger.debug("Reassigning to {}", reassignment.getPotentialOwners());
                        ((InternalTaskData) task.getTaskData()).setStatus(Status.Ready);
                        List<OrganizationalEntity> potentialOwners = new ArrayList<OrganizationalEntity>(reassignment.getPotentialOwners());
                        ((InternalPeopleAssignments) task.getPeopleAssignments()).setPotentialOwners(potentialOwners);
                        ((InternalTaskData) task.getTaskData()).setActualOwner(null);
                        // use assignment service to directly assign actual owner if enabled
                        AssignmentService assignmentService = AssignmentServiceProvider.get();
                        if (assignmentService.isEnabled()) {
                            assignmentService.assignTask(task, ctx);
                        }
                        taskEventSupport.fireAfterTaskReassigned(task, ctx);
                    }
                    for (Notification notification : escalation.getNotifications()) {
                        if (notification.getNotificationType() == NotificationType.Email) {
                            taskEventSupport.fireBeforeTaskNotified(task, ctx);
                            logger.debug("Sending an Email");
                            NotificationListenerManager.get().broadcast(new NotificationEvent(notification, task, variables), userInfo);
                            taskEventSupport.fireAfterTaskNotified(task, ctx);
                        }
                    }
                }
            }
        }
        deadline.setEscalated(true);
        persistenceContext.updateDeadline(deadline);
        persistenceContext.updateTask(task);
    } catch (Exception e) {
        logger.error("Error when executing deadlines", e);
    }
    return null;
}

Example 2 with TaskEventSupport

use of org.jbpm.services.task.events.TaskEventSupport in project jbpm by kiegroup.

the class ExecuteReminderCommand method execute.

@Override
public Void execute(Context context) {
    TaskContext ctx = (TaskContext) context;
    UserInfo userInfo = (UserInfo) context.get(EnvironmentName.TASK_USER_INFO);
    TaskPersistenceContext persistenceContext = ctx.getPersistenceContext();
    try {
        Task task = persistenceContext.findTask(taskId);
        TaskData taskData = task.getTaskData();
        List<DeadlineSummary> resultList = null;
        resultList = getAlldeadlines(persistenceContext, taskData);
        TaskEventSupport taskEventSupport = ctx.getTaskEventSupport();
        if (resultList == null || resultList.size() == 0) {
            if (taskData.getActualOwner() == null)
                return null;
            if (taskData != null) {
                // check if task is still in valid status
                if (DeadlineType.START.isValidStatus(taskData.getStatus()) || DeadlineType.END.isValidStatus(taskData.getStatus())) {
                    taskEventSupport.fireBeforeTaskNotified(task, ctx);
                    logger.debug("Sending an Email");
                    Map<String, Object> variables = getVariables(ctx, persistenceContext, task, taskData);
                    Notification notification = buildDefaultNotification(taskData, task);
                    NotificationListenerManager.get().broadcast(new NotificationEvent(notification, task, variables), userInfo);
                    taskEventSupport.fireAfterTaskNotified(task, ctx);
                }
            }
        } else {
            for (DeadlineSummary deadlineSummary : resultList) {
                executedeadLine(ctx, persistenceContext, task, deadlineSummary, taskData);
            }
        }
    } catch (Exception e) {
        logger.error("Error when executing deadlines", e);
    }
    return null;
}

Example 3 with TaskEventSupport

use of org.jbpm.services.task.events.TaskEventSupport in project jbpm by kiegroup.

the class RemoveTaskDataCommand method execute.

@SuppressWarnings("unchecked")
@Override
public Void execute(Context cntxt) {
    TaskContext context = (TaskContext) cntxt;
    TaskEventSupport taskEventSupport = context.getTaskEventSupport();
    TaskPersistenceContext persistenceContext = context.getPersistenceContext();
    Task task = persistenceContext.findTask(taskId);
    // security check
    if (!isBusinessAdmin(userId, task.getPeopleAssignments().getBusinessAdministrators(), context)) {
        throw new PermissionDeniedException("User " + userId + " is not business admin of task " + taskId);
    }
    long contentId = task.getTaskData().getDocumentContentId();
    if (!input) {
        contentId = task.getTaskData().getOutputContentId();
    }
    Content outputContent = persistenceContext.findContent(contentId);
    Map<String, Object> initialContent = new HashMap<>();
    Map<String, Object> mergedContent = new HashMap<>();
    if (outputContent != null) {
        ContentMarshallerContext mcontext = context.getTaskContentService().getMarshallerContext(task);
        Object unmarshalledObject = ContentMarshallerHelper.unmarshall(outputContent.getContent(), mcontext.getEnvironment(), mcontext.getClassloader());
        if (unmarshalledObject != null && unmarshalledObject instanceof Map) {
            mergedContent.putAll(((Map<String, Object>) unmarshalledObject));
            // set initial content for the sake of listeners
            initialContent.putAll(mergedContent);
            variableNames.forEach(name -> mergedContent.remove(name));
        }
        ContentData outputContentData = ContentMarshallerHelper.marshal(task, mergedContent, mcontext.getEnvironment());
        ((InternalContent) outputContent).setContent(outputContentData.getContent());
        persistenceContext.persistContent(outputContent);
    }
    if (input) {
        taskEventSupport.fireBeforeTaskInputVariablesChanged(task, context, initialContent);
        ((InternalTaskData) task.getTaskData()).setTaskInputVariables(mergedContent);
        taskEventSupport.fireAfterTaskInputVariablesChanged(task, context, mergedContent);
    } else {
        taskEventSupport.fireBeforeTaskOutputVariablesChanged(task, context, initialContent);
        ((InternalTaskData) task.getTaskData()).setTaskOutputVariables(mergedContent);
        taskEventSupport.fireAfterTaskOutputVariablesChanged(task, context, mergedContent);
    }
    return null;
}

Example 4 with TaskEventSupport

use of org.jbpm.services.task.events.TaskEventSupport in project jbpm by kiegroup.

the class UpdateTaskCommand method execute.

@SuppressWarnings("unchecked")
@Override
public Void execute(Context cntxt) {
    TaskContext context = (TaskContext) cntxt;
    TaskEventSupport taskEventSupport = context.getTaskEventSupport();
    TaskPersistenceContext persistenceContext = context.getPersistenceContext();
    Task task = persistenceContext.findTask(taskId);
    // security check
    if (!isBusinessAdmin(userId, task.getPeopleAssignments().getBusinessAdministrators(), context) && !isOwner(userId, task.getPeopleAssignments().getPotentialOwners(), task.getTaskData().getActualOwner(), context)) {
        throw new PermissionDeniedException("User " + userId + " is not business admin or potential owner of task " + taskId);
    }
    taskEventSupport.fireBeforeTaskUpdated(task, context);
    // process task meta data
    if (userTask.getFormName() != null) {
        ((InternalTask) task).setFormName(userTask.getFormName());
    }
    if (userTask.getName() != null) {
        ((InternalTask) task).setName(userTask.getName());
    }
    if (userTask.getDescription() != null) {
        ((InternalTask) task).setDescription(userTask.getDescription());
    }
    if (userTask.getPriority() != null) {
        ((InternalTask) task).setPriority(userTask.getPriority());
    }
    if (userTask.getDueDate() != null) {
        ((InternalTaskData) task.getTaskData()).setExpirationTime(userTask.getDueDate());
    }
    // process task inputs
    long inputContentId = task.getTaskData().getDocumentContentId();
    Content inputContent = persistenceContext.findContent(inputContentId);
    Map<String, Object> mergedContent = inputs;
    if (inputs != null) {
        if (inputContent == null) {
            ContentMarshallerContext mcontext = context.getTaskContentService().getMarshallerContext(task);
            ContentData outputContentData = ContentMarshallerHelper.marshal(task, inputs, mcontext.getEnvironment());
            Content content = TaskModelProvider.getFactory().newContent();
            ((InternalContent) content).setContent(outputContentData.getContent());
            persistenceContext.persistContent(content);
            ((InternalTaskData) task.getTaskData()).setOutput(content.getId(), outputContentData);
        } else {
            ContentMarshallerContext mcontext = context.getTaskContentService().getMarshallerContext(task);
            Object unmarshalledObject = ContentMarshallerHelper.unmarshall(inputContent.getContent(), mcontext.getEnvironment(), mcontext.getClassloader());
            if (unmarshalledObject != null && unmarshalledObject instanceof Map) {
                ((Map<String, Object>) unmarshalledObject).putAll(inputs);
                mergedContent = ((Map<String, Object>) unmarshalledObject);
            }
            ContentData outputContentData = ContentMarshallerHelper.marshal(task, unmarshalledObject, mcontext.getEnvironment());
            ((InternalContent) inputContent).setContent(outputContentData.getContent());
            persistenceContext.persistContent(inputContent);
        }
        ((InternalTaskData) task.getTaskData()).setTaskInputVariables(mergedContent);
    }
    if (outputs != null) {
        // process task outputs
        context.getTaskContentService().addOutputContent(taskId, outputs);
    }
    persistenceContext.updateTask(task);
    // finally trigger event support after the updates
    taskEventSupport.fireAfterTaskUpdated(task, context);
    return null;
}

Example 5 with TaskEventSupport

use of org.jbpm.services.task.events.TaskEventSupport in project jbpm by kiegroup.

the class HumanTaskConfigurator method getTaskService.

@SuppressWarnings("unchecked")
public TaskService getTaskService() {
    if (service == null) {
        TaskEventSupport taskEventSupport = new TaskEventSupport();
        this.commandExecutor = new TaskCommandExecutorImpl(this.environment, taskEventSupport);
        if (userGroupCallback == null) {
            userGroupCallback = new MvelUserGroupCallbackImpl(true);
        }
        environment.set(EnvironmentName.TASK_USER_GROUP_CALLBACK, userGroupCallback);
        if (userInfo == null) {
            userInfo = new DefaultUserInfo(true);
        }
        environment.set(EnvironmentName.TASK_USER_INFO, userInfo);
        addDefaultInterceptor();
        addTransactionLockInterceptor();
        addOptimisticLockInterceptor();
        addErrorHandlingInterceptor();
        for (PriorityInterceptor pInterceptor : interceptors) {
            this.commandExecutor.addInterceptor(pInterceptor.getInterceptor());
        }
        service = new CommandBasedTaskService(this.commandExecutor, taskEventSupport, this.environment);
        // register listeners
        for (TaskLifeCycleEventListener listener : listeners) {
            ((EventService<TaskLifeCycleEventListener>) service).registerTaskEventListener(listener);
        }
        if (AssignmentServiceProvider.get().isEnabled()) {
            ((EventService<TaskLifeCycleEventListener>) service).registerTaskEventListener(new AssignmentTaskEventListener());
        }
        // initialize deadline service with command executor for processing
        if (TaskDeadlinesServiceImpl.getInstance() == null) {
            TaskDeadlinesServiceImpl.initialize(commandExecutor);
        }
    }
    return service;
}