def do_event(self, uid, cls_info, event):
"""
对于每个事件的处理，实际调用了collection的record行为。
"""
handle = EventFactory.produce(cls_info)
instance = handle(uid=uid, **event)
instance.record()
def do_query(self, app_name, query, fields, **kwargs):
collection_name = query.pop('event_name', '')
from_datetime = query.pop('from_datetime', '')
to_datetime = query.pop('to_datetime', '')
cls_info = RegisteredEvents.get_by_name(app_name, collection_name)
alias = cls_info['alias']
key_fields = QueryInterpreter.parse(fields, alias)
handle = EventFactory.produce(cls_info)
info = handle.mget(from_datetime=from_datetime,
to_datetime=to_datetime, fields=key_fields)
return info
