@Transactional(readOnly = true) @Override public List<HistoryTask> getHistoryTasks(String assignee, Date startDate, Date endDate) { return convertHistoryTasks( taskRepo.findByTaskDataActualOwnerAndTaskDataCompletedOnBetween( new User(assignee), startDate, endDate)); }
/** * Publishes a message to qpid that describes what action a user has just performed on a task. * These actions may be either TaskTaken or TaskCompleted. This calls checkInitialized to see if * there is a valid connection to qpid. * * @param task the task that has been acted upon * @param exchangeName the exchange name for messaging * @param eventName the event that correlates with the action * @param taskId the id of the task that was acted upon */ public void amqpTaskPublish(Task task, String exchangeName, String eventName, String taskId) { String info = ""; if (checkInitialized()) { if (eventName.equals("TaskTaken")) { try { info = "eventType=" + eventName + ";" + "processID=" + task.getProcessInstanceId() + ";" + "taskID=" + task.getId() + ";" + "assignee=" + task.getAssignee() + ";"; } catch (Exception e) { log.debug(e.getMessage()); } } else if (eventName.equals("TaskCompleted")) { try { org.jbpm.task.Task ht = taskRepo.findById(Long.decode(taskId)); String processName = ht.getTaskData().getProcessId(); String processId = Long.toString(ht.getTaskData().getProcessInstanceId()); String assignee = ht.getTaskData().getActualOwner().getId(); info = "eventType=" + eventName + ";" + "processID=" + processName + "." + processId + ";" + "taskID=" + taskId + ";" + "assignee=" + assignee + ";"; } catch (Exception e) { log.debug(e.getMessage()); } } sendMessage(info, exchangeName); } }
@Transactional(readOnly = true) @Override public List<HistoryActivity> getHistoryActivities(Long processInstanceId) { return convertHistoryActivities(taskRepo.findByTaskDataProcessInstanceId(processInstanceId)); }
@Override public void completeTask( Long id, String assignee, String outcome, Map<String, Object> variables) { // should be handled upstream in controller assert (assignee != null); log.debug(assignee + " starting task with ID: " + id); BlockingGetTaskResponseHandler getTaskResponseHandler = new BlockingGetTaskResponseHandler(); taskClient.getTask(id, getTaskResponseHandler); org.jbpm.task.Task task = getTaskResponseHandler.getTask(); // convert to COW task so we can verify the decision Task cowTask = converter.convert(task, Task.class); if (cowTask.getOutcomes() != null && cowTask.getOutcomes().size() > 0) { // This is a decision task! if (outcome == null) { throw new RuntimeException("ERROR: no decision provided for a Decision task"); } if (!cowTask.getOutcomes().contains(outcome)) { throw new RuntimeException("ERROR: decision value " + outcome + " is not a valid choice."); } } BlockingGetContentResponseHandler getContentResponseHandler = new BlockingGetContentResponseHandler(); taskClient.getContent(task.getTaskData().getDocumentContentId(), getContentResponseHandler); Content inputContent = getContentResponseHandler.getContent(); Map<String, Object> inputMap = (Map<String, Object>) ContentMarshallerHelper.unmarshall(inputContent.getContent(), null); for (Map.Entry<String, Object> entry : inputMap.entrySet()) { log.debug(entry.getKey() + " = " + entry.getValue()); } Map<String, Object> outputMap = new HashMap<String, Object>(); // put Outcome into the outputMap // The InputMap contains a variable that tells us what key to use if (inputMap.get(DECISION_VAR_NAME) != null) { log.debug("Decision outcome: " + outcome); outputMap.put((String) inputMap.get(DECISION_VAR_NAME), outcome); } Map<String, Object> outputVarsMap = new HashMap<String, Object>(); // NOTE: obtaining the map from the Task results in a copy of the map as of the // time when the task became available. It's possible that in the meantime (e.g. due to // a parallel task) the map has been altered. // Map<String, Object> inputVarsMap = (Map<String, Object>) // inputMap.get(TASK_INPUT_VARIABLES_NAME); // So, instead, we get the current values directly from the process instance, rather than the // values copied into the task Long processInstanceId = task.getTaskData().getProcessInstanceId(); Map<String, Object> inputVarsMap = null; try { WorkflowProcessInstance pi = (WorkflowProcessInstance) kSession.getProcessInstance(processInstanceId); inputVarsMap = (Map<String, Object>) pi.getVariable(VARIABLES_PROPERTY); } catch (Exception e) { // not an active process? look in the dB. log.error(e); List<VariableInstanceLog> vars = JPAProcessInstanceDbLog.findVariableInstances(processInstanceId, VARIABLES_PROPERTY); log.info("variable count: " + vars.size()); if (vars.size() > 0) { // why more than one??? inputVarsMap = (Map<String, Object>) vars.get(0); } } if (inputVarsMap != null) { // initialize the output map with the input values log.debug("Copying input map: " + inputVarsMap); outputVarsMap.putAll(inputVarsMap); } if (variables != null && variables.size() > 0) { log.debug("Adding variables: " + variables); // update with any new or modified values outputVarsMap.putAll(variables); } if (outputVarsMap.size() > 0) { log.debug("Adding map to output"); outputMap.put(TASK_OUTPUT_VARIABLES_NAME, outputVarsMap); } // start the task if (task.getTaskData().getStatus().equals(org.jbpm.task.Status.Reserved)) { BlockingTaskOperationResponseHandler operationResponseHandler = new BlockingTaskOperationResponseHandler(); // change status to InProgress taskClient.start(id, assignee, operationResponseHandler); } // kSession.getWorkItemManager().completeWorkItem(task.getTaskData().getWorkItemId(), new // HashMap<String,Object>()); BlockingTaskOperationResponseHandler taskResponseHandler = new BlockingTaskOperationResponseHandler(); // TODO: since we're passing the variables map further down, maybe we don't need to pass it // here? Test this. ContentData contentData = ContentMarshallerHelper.marshal(outputMap, null); taskClient.complete(id, assignee, contentData, taskResponseHandler); taskResponseHandler.waitTillDone(1000); // note that we have to pass the variables again. kSession.getWorkItemManager().completeWorkItem(task.getTaskData().getWorkItemId(), outputMap); // update completed date // For some reason this does not get updated by default, and // there appears to be no JBPM API way to do this! org.jbpm.task.Task t = taskRepo.findOne(task.getId()); t.getTaskData().setCompletedOn(new Date()); // update the user t.getTaskData().setActualOwner(new User(assignee)); // note that JPA handles updating of this object automatically }