docstr: Passes mapIdToImageData to ImageDataExtractor object in order to process the meta information
  for each imageData
  
  returns True if it was successful
  else False
docstr_tok: ["Passes","mapIdToImageData","to","ImageDataExtractor","object","in","order","to","process","the","meta","information","for","each","imageData","returns","True","if","it","was","successful","else","False"]
code: def initMetaDataProcessing(self) -> bool:
      """
      Passes mapIdToImageData to ImageDataExtractor object in order to process the meta information
      for each imageData
  
      returns True if it was successful
      else False
      """
      mapIdToImageData = self.getMapIdToImageData()
      if mapIdToImageData is None:
          return False
      self.imageDataExtractor = ImageDataExtractor(mapIdToImageData)
      self.imageDataExtractor.init()
      return True
  
imports: import datetime
  import logging
  from typing import Dict, List
  import requests
  from MONAILabelReviewerLib.ImageData import ImageData
  from MONAILabelReviewerLib.ImageDataExtractor import ImageDataExtractor
  from MONAILabelReviewerLib.ImageDataStatistics import ImageDataStatistics
  from MONAILabelReviewerLib.JsonParser import JsonParser
  from MONAILabelReviewerLib.MonaiServerREST import MonaiServerREST
label_desc: Use image node_id 3 for calling the ImageDataController obj's underlying member method code with example usage: obj.initMetaDataProcessing() and returns: True, False