Package org.activiti.engine.task

Examples of org.activiti.engine.task.TaskQuery

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  /**
   * test for task inclusion/exclusion (no other filters, no sort)
   */
  public void testQueryExcludeSubtasks() throws Exception {
    // query all tasks, including subtasks
    TaskQuery query = taskService.createTaskQuery();
    assertEquals(10, query.count());
    assertEquals(10, query.list().size());
    // query only parent tasks (exclude subtasks)
    query = taskService.createTaskQuery().excludeSubtasks();
    assertEquals(3, query.count());
    assertEquals(3, query.list().size());
  }
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  /**
   * test for task inclusion/exclusion (no other filters, no sort)
   */
  public void testQueryWithPagination() throws Exception {
    // query all tasks, including subtasks
    TaskQuery query = taskService.createTaskQuery();
    assertEquals(10, query.count());
    assertEquals(2, query.listPage(0, 2).size());
    // query only parent tasks (exclude subtasks)
    query = taskService.createTaskQuery().excludeSubtasks();
    assertEquals(3, query.count());
    assertEquals(1, query.listPage(0, 1).size());
  }
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  /**
   * test for task inclusion/exclusion (no other filters, order by task assignee )
   */
  public void testQueryExcludeSubtasksSorted() throws Exception {
    // query all tasks, including subtasks
    TaskQuery query = taskService.createTaskQuery().orderByTaskAssignee().asc();
    assertEquals(10, query.count());
    assertEquals(10, query.list().size());
    // query only parent tasks (exclude subtasks)
    query = taskService.createTaskQuery().excludeSubtasks().orderByTaskAssignee().desc();
    assertEquals(3, query.count());
    assertEquals(3, query.list().size());
  }
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   * test for task inclusion/exclusion when additional filter is specified (like assignee), no order.
   */
  public void testQueryByAssigneeExcludeSubtasks() throws Exception {
    // gonzo has 2 root tasks and 3+2 subtasks assigned
    // include subtasks
    TaskQuery query = taskService.createTaskQuery().taskAssignee("gonzo");
    assertEquals(7, query.count());
    assertEquals(7, query.list().size());
    // exclude subtasks
    query = taskService.createTaskQuery().taskAssignee("gonzo").excludeSubtasks();
    assertEquals(2, query.count());
    assertEquals(2, query.list().size());

    // kermit has no root tasks and no subtasks assigned
    // include subtasks
    query = taskService.createTaskQuery().taskAssignee("kermit");
    assertEquals(0, query.count());
    assertEquals(0, query.list().size());
    assertNull(query.singleResult());
    // exclude subtasks
    query = taskService.createTaskQuery().taskAssignee("kermit").excludeSubtasks();
    assertEquals(0, query.count());
    assertEquals(0, query.list().size());
    assertNull(query.singleResult());
  }
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    public List<BpmTask> findProcessTasks(ProcessInstance pi,
                                          String userLogin,
                                          Set<String> taskNames,
                                          ProcessToolContext ctx) {

        TaskQuery q = getProcessEngine().getTaskService().createTaskQuery().processInstanceId(pi.getInternalId());
        if (userLogin != null)
            q = q.taskAssignee(userLogin);
        if (taskNames != null && !taskNames.isEmpty())  //TODO what if more than 1 task name is supplied
            q = q.taskName(taskNames.iterator().next());
        List<Task> tasks = q.listPage(0, 1000);

       return collectTasks(tasks, pi, ctx);


    }
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    tasks = taskService.createTaskQuery().taskCandidateUser("fozzie").list();
    assertEquals(1, tasks.size());
    assertEquals("make profit", tasks.get(0).getName());

    // Test the task query find-by-candidate-group operation
    TaskQuery query = taskService.createTaskQuery();
    assertEquals(1, query.taskCandidateGroup("management").count());
    assertEquals(1, query.taskCandidateGroup("accountancy").count());
  }
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  @Deployment
  public void testNestedForkJoin() {
   runtimeService.startProcessInstanceByKey("nestedForkJoin");
  
   // After process startm, only task 0 should be active
   TaskQuery query = taskService.createTaskQuery().orderByTaskName().asc();
   List<Task> tasks = query.list();
   assertEquals(1, tasks.size());
   assertEquals("Task 0", tasks.get(0).getName());
  
   // Completing task 0 will create Task A and B
   taskService.complete(tasks.get(0).getId());
   tasks = query.list();
   assertEquals(2, tasks.size());
   assertEquals("Task A", tasks.get(0).getName());
   assertEquals("Task B", tasks.get(1).getName());
  
   // Completing task A should not trigger any new tasks
   taskService.complete(tasks.get(0).getId());
   tasks = query.list();
   assertEquals(1, tasks.size());
   assertEquals("Task B", tasks.get(0).getName());

   // Completing task B creates tasks B1 and B2
   taskService.complete(tasks.get(0).getId());
   tasks = query.list();
   assertEquals(2, tasks.size());
   assertEquals("Task B1", tasks.get(0).getName());
   assertEquals("Task B2", tasks.get(1).getName());
  
   // Completing B1 and B2 will activate both joins, and process reaches task C
   taskService.complete(tasks.get(0).getId());
   taskService.complete(tasks.get(1).getId());
   tasks = query.list();
   assertEquals(1, tasks.size());
   assertEquals("Task C", tasks.get(0).getName());  
  }
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  @Deployment
  public void testReceyclingExecutionWithCallActivity() {
    String processInstanceId = runtimeService.startProcessInstanceByKey("parent-process").getId();
   
    // After process start we have two tasks, one from the parent and one from the sub process
    TaskQuery query = taskService.createTaskQuery().orderByTaskName().asc();
    List<Task> tasks = query.list();
    assertEquals(2, tasks.size());
    assertEquals("Another task", tasks.get(0).getName());
    assertEquals("Some Task", tasks.get(1).getName());
   
    // we complete the task from the parent process, the root execution is receycled, the task in the sub process is still there
    taskService.complete(tasks.get(1).getId());
    tasks = query.list();
    assertEquals(1, tasks.size());
    assertEquals("Another task", tasks.get(0).getName());

    // we end the task in the sub process and the sub process instance end is propagated to the parent process
    taskService.complete(tasks.get(0).getId());
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  })
  public void testCallSimpleSubProcess() {
    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("callSimpleSubProcess");
   
    // one task in the subprocess should be active after starting the process instance
    TaskQuery taskQuery = taskService.createTaskQuery();
    Task taskBeforeSubProcess = taskQuery.singleResult();
    assertEquals("Task before subprocess", taskBeforeSubProcess.getName());
   
    // Completing the task continues the process which leads to calling the subprocess
    taskService.complete(taskBeforeSubProcess.getId());
    Task taskInSubProcess = taskQuery.singleResult();
    assertEquals("Task in subprocess", taskInSubProcess.getName());
   
    // Completing the task in the subprocess, finishes the subprocess
    taskService.complete(taskInSubProcess.getId());
    Task taskAfterSubProcess = taskQuery.singleResult();
    assertEquals("Task after subprocess", taskAfterSubProcess.getName());
   
    // Completing this task end the process instance
    taskService.complete(taskAfterSubProcess.getId());
    assertProcessEnded(processInstance.getId());
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    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("callSimpleSubProcess");

    // one task in the subprocess should be active after starting the process
    // instance
    TaskQuery taskQuery = taskService.createTaskQuery();
    Task taskBeforeSubProcess = taskQuery.singleResult();
    assertEquals("Task before subprocess", taskBeforeSubProcess.getName());

    // Completing the task continues the process which leads to calling the
    // subprocess. The sub process we want to call is passed in as a variable
    // into this task
    taskService.setVariable(taskBeforeSubProcess.getId(), "simpleSubProcessExpression", "simpleSubProcess");
    taskService.complete(taskBeforeSubProcess.getId());
    Task taskInSubProcess = taskQuery.singleResult();
    assertEquals("Task in subprocess", taskInSubProcess.getName());

    // Completing the task in the subprocess, finishes the subprocess
    taskService.complete(taskInSubProcess.getId());
    Task taskAfterSubProcess = taskQuery.singleResult();
    assertEquals("Task after subprocess", taskAfterSubProcess.getName());

    // Completing this task end the process instance
    taskService.complete(taskAfterSubProcess.getId());
    assertProcessEnded(processInstance.getId());
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