Examples of org.activiti.engine.TaskService.createTaskQuery()

org.activiti.engine.TaskService.createTaskQuery()
Returns a new {@link TaskQuery} that can be used to dynamically query tasks.

    // Completing the task using the predefined process variable (normally done through the form)
    TaskService taskService = activitiRule.getTaskService();
    taskService.complete(task.getId(), CollectionUtil.singletonMap(FeedbackStepDefinitionConverter.VARIABLE_FEEDBACK_PROVIDERS, Arrays.asList("gonzo", "fozzie")));
    
    // Three tasks should be available now
    assertEquals(3, taskService.createTaskQuery().count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("kermit").count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("gonzo").count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("fozzie").count());
    
    // Completing the feedback tasks first should only leave the 'gather feedback' task for kermit open

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    TaskService taskService = activitiRule.getTaskService();
    taskService.complete(task.getId(), CollectionUtil.singletonMap(FeedbackStepDefinitionConverter.VARIABLE_FEEDBACK_PROVIDERS, Arrays.asList("gonzo", "fozzie")));
    
    // Three tasks should be available now
    assertEquals(3, taskService.createTaskQuery().count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("kermit").count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("gonzo").count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("fozzie").count());
    
    // Completing the feedback tasks first should only leave the 'gather feedback' task for kermit open
    for (Task feedbackTask : taskService.createTaskQuery().list()) {

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    taskService.complete(task.getId(), CollectionUtil.singletonMap(FeedbackStepDefinitionConverter.VARIABLE_FEEDBACK_PROVIDERS, Arrays.asList("gonzo", "fozzie")));
    
    // Three tasks should be available now
    assertEquals(3, taskService.createTaskQuery().count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("kermit").count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("gonzo").count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("fozzie").count());
    
    // Completing the feedback tasks first should only leave the 'gather feedback' task for kermit open
    for (Task feedbackTask : taskService.createTaskQuery().list()) {
      if (!feedbackTask.getAssignee().equals("kermit")) {

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    // Three tasks should be available now
    assertEquals(3, taskService.createTaskQuery().count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("kermit").count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("gonzo").count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("fozzie").count());
    
    // Completing the feedback tasks first should only leave the 'gather feedback' task for kermit open
    for (Task feedbackTask : taskService.createTaskQuery().list()) {
      if (!feedbackTask.getAssignee().equals("kermit")) {
        activitiRule.getTaskService().complete(feedbackTask.getId());

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    assertEquals(1, taskService.createTaskQuery().taskAssignee("kermit").count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("gonzo").count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("fozzie").count());
    
    // Completing the feedback tasks first should only leave the 'gather feedback' task for kermit open
    for (Task feedbackTask : taskService.createTaskQuery().list()) {
      if (!feedbackTask.getAssignee().equals("kermit")) {
        activitiRule.getTaskService().complete(feedbackTask.getId());
      }
    }
    assertEquals(1, taskService.createTaskQuery().count());

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    for (Task feedbackTask : taskService.createTaskQuery().list()) {
      if (!feedbackTask.getAssignee().equals("kermit")) {
        activitiRule.getTaskService().complete(feedbackTask.getId());
      }
    }
    assertEquals(1, taskService.createTaskQuery().count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("kermit").count());
    
    // Completing this last task should finish the process
    activitiRule.getTaskService().complete(activitiRule.getTaskService().createTaskQuery().singleResult().getId());
    assertEquals(0, activitiRule.getRuntimeService().createProcessInstanceQuery().count());

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      if (!feedbackTask.getAssignee().equals("kermit")) {
        activitiRule.getTaskService().complete(feedbackTask.getId());
      }
    }
    assertEquals(1, taskService.createTaskQuery().count());
    assertEquals(1, taskService.createTaskQuery().taskAssignee("kermit").count());
    
    // Completing this last task should finish the process
    activitiRule.getTaskService().complete(activitiRule.getTaskService().createTaskQuery().singleResult().getId());
    assertEquals(0, activitiRule.getRuntimeService().createProcessInstanceQuery().count());
  }

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     assertNotNull(processInstance);
     
     // Complete the task.  That will end the process instance
     TaskService taskService = processEngine.getTaskService();
     Task task = taskService
       .createTaskQuery()
       .list()
       .get(0);
     taskService.complete(task.getId());

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      .getId();
    
    // Start process instance on second engine
    String processDefinitionId = repositoryService2.createProcessDefinitionQuery().singleResult().getId();
    runtimeService2.startProcessInstanceById(processDefinitionId);
    Task task = taskService2.createTaskQuery().singleResult();
    assertEquals("original task", task.getName());
    
    // Delete the deployment on second process engine
    repositoryService2.deleteDeployment(deploymentId, true);
    assertEquals(0, repositoryService2.createDeploymentQuery().count());

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      .getId();
    
    // Start process instance on second process engine -> must use revised process definition
    repositoryService2.createProcessDefinitionQuery().singleResult().getId();
    runtimeService2.startProcessInstanceByKey("oneTaskProcess");
    task = taskService2.createTaskQuery().singleResult();
    assertEquals("revised task", task.getName());
    
    // cleanup
    repositoryService1.deleteDeployment(deploymentId, true);
    processEngine1.close();

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