Package org.activiti.engine.task

Examples of org.activiti.engine.task.TaskQuery.singleResult()

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    TaskQuery query = taskService.createTaskQuery().taskNameInIgnoreCase(taskNameList);
    assertEquals(7, query.list().size());
    assertEquals(7, query.count());

    try {
      query.singleResult();
      fail("expected exception");
    } catch (ActivitiException e) {
      // OK
    }
  }
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        .taskId("invalid");
    assertEquals(7, query.list().size());
    assertEquals(7, query.count());

    try {
      query.singleResult();
      fail("expected exception");
    } catch (ActivitiException e) {
      // OK
    }
  }
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    assertNull(query.singleResult());
    // exclude subtasks
    query = taskService.createTaskQuery().taskAssignee("kermit").excludeSubtasks();
    assertEquals(0, query.count());
    assertEquals(0, query.list().size());
    assertNull(query.singleResult());
  }

  /**
   * test for task inclusion/exclusion when additional filter is specified (like assignee), no order.
   */
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    // kermit has no root tasks and no subtasks assigned
    // include subtasks
    query = taskService.createTaskQuery().taskAssignee("kermit");
    assertEquals(0, query.count());
    assertEquals(0, query.listPage(0, 2).size());
    assertNull(query.singleResult());
    // exclude subtasks
    query = taskService.createTaskQuery().taskAssignee("kermit").excludeSubtasks();
    assertEquals(0, query.count());
    assertEquals(0, query.listPage(0, 2).size());
    assertNull(query.singleResult());
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    assertNull(query.singleResult());
    // exclude subtasks
    query = taskService.createTaskQuery().taskAssignee("kermit").excludeSubtasks();
    assertEquals(0, query.count());
    assertEquals(0, query.listPage(0, 2).size());
    assertNull(query.singleResult());
  }

  /**
   * test for task inclusion/exclusion when additional filter is specified (like assignee), ordered.
   */
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    // kermit has no root tasks and no subtasks assigned
    // include subtasks
    query = taskService.createTaskQuery().taskAssignee("kermit").orderByTaskCreateTime().asc();
    assertEquals(0, query.count());
    assertEquals(0, query.list().size());
    assertNull(query.singleResult());
    // exclude subtasks
    query = taskService.createTaskQuery().taskAssignee("kermit").excludeSubtasks().orderByTaskCreateTime().desc();
    assertEquals(0, query.count());
    assertEquals(0, query.list().size());
    assertNull(query.singleResult());
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    assertNull(query.singleResult());
    // exclude subtasks
    query = taskService.createTaskQuery().taskAssignee("kermit").excludeSubtasks().orderByTaskCreateTime().desc();
    assertEquals(0, query.count());
    assertEquals(0, query.list().size());
    assertNull(query.singleResult());
  }

  /**
   * test for task inclusion/exclusion when additional filter is specified (like assignee), ordered.
   */
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    // kermit has no root tasks and no subtasks assigned
    // include subtasks
    query = taskService.createTaskQuery().taskAssignee("kermit").orderByTaskCreateTime().asc();
    assertEquals(0, query.count());
    assertEquals(0, query.listPage(0, 2).size());
    assertNull(query.singleResult());
    // exclude subtasks
    query = taskService.createTaskQuery().taskAssignee("kermit").excludeSubtasks().orderByTaskCreateTime().desc();
    assertEquals(0, query.count());
    assertEquals(0, query.listPage(0, 2).size());
    assertNull(query.singleResult());
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    assertNull(query.singleResult());
    // exclude subtasks
    query = taskService.createTaskQuery().taskAssignee("kermit").excludeSubtasks().orderByTaskCreateTime().desc();
    assertEquals(0, query.count());
    assertEquals(0, query.listPage(0, 2).size());
    assertNull(query.singleResult());
  }

  /**
   * Generates some test sub-tasks to the tasks generated by {@link #generateTestTasks()}.<br/>
   * - 1 root task where kermit is a candidate with 2 subtasks (both with kermit as candidate) <br/>
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    // Completing this task ends the subprocess which leads to a task in the super process
    taskService.complete(taskInSecondSubProcess.getId());

    // one task in the subprocess should be active after starting the process instance
    Task taskAfterSecondSubProcess = taskQuery.singleResult();
    assertEquals("Task in super process", taskAfterSecondSubProcess.getName());
    assertEquals(15l, runtimeService.getVariable(taskAfterSecondSubProcess.getProcessInstanceId(), "z"));
    assertEquals(15l, taskService.getVariable(taskAfterSecondSubProcess.getId(), "z"));

    // and end last task in Super process
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