+ return items
+
+ def sync_ts(self, ts):
+ elid = None
+ for cur_id, t in self.get_sync():
+ if ts >= t:
+ elid = cur_id
+ else:
+ break
+ return elid
+
+ def sync_elid(self, elid):
+ for cur_id, t in self.get_sync():
+ if cur_id == elid:
+ return t
+