def _handle_triple_refresh(self, auto_refresh):

		'''
		method to refresh self.rdf.triples if auto_refresh or defaults set to True
		'''

		# if auto_refresh set, and True, refresh
		if auto_refresh:
			self.parse_object_like_triples()

		# else, if auto_refresh is not set (None), check repository instance default
		elif auto_refresh == None:
			if self.repo.default_auto_refresh:
				self.parse_object_like_triples()
method to refresh self.rdf.triples if auto_refresh or defaults set to True