code: public CloudTask get(String jobId, String taskId) {
          return getWithServiceResponseAsync(jobId, taskId).toBlocking().single().body();
      }
docs: Gets information about the specified task.
  For multi-instance tasks, information such as affinityId, executionInfo and nodeInfo refer to the primary task. Use the list subtasks API to retrieve information about subtasks.
  
  @param jobId The ID of the job that contains the task.
  @param taskId The ID of the task to get information about.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws BatchErrorException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the CloudTask object if successful.