code: def routine(self):
      print("========== load ==========")
      self.rolling_online_manager = OnlineManager.load(
          self._ROLLING_MANAGER_PATH
      )
      print("========== routine ==========")
      self.rolling_online_manager.routine()
      print("========== collect results ==========")
      print(self.rolling_online_manager.get_collector()())
      print("========== signals ==========")
      print(self.rolling_online_manager.get_signals())
      print("========== dump ==========")
      self.rolling_online_manager.to_pickle(self._ROLLING_MANAGER_PATH)
  
file_path: qlib/examples/online_srv/rolling_online_management.py
imports: import os
  import fire
  import qlib
  from qlib.model.trainer import DelayTrainerR, DelayTrainerRM, TrainerR, TrainerRM, end_task_train, task_train
  from qlib.workflow import R
  from qlib.workflow.online.strategy import RollingStrategy
  from qlib.workflow.task.gen import RollingGen
  from qlib.workflow.online.manager import OnlineManager
  from qlib.tests.config import CSI100_RECORD_XGBOOST_TASK_CONFIG_ROLLING, CSI100_RECORD_LGB_TASK_CONFIG_ROLLING
  from qlib.workflow.task.manage import TaskManager
label_desc: Use image node_id 5 for calling the RollingOnlineExample obj's underlying member method code with example usage: obj.routine() without return types