code: def is_job_record_finalizable(self, job_record):
          
          assert isinstance(job_record, Job)
          tree = self.get_tree(job_record.process_name)
          node = tree.get_node(job_record.process_name, job_record.timeperiod)
          return node.is_finalizable()
docs: :return: True, if the node and all its children are in [STATE_PROCESSED, STATE_SKIPPED, STATE_NOOP]