def transactions(self):
     return persistence.Query(
         MongoQueryExecutor(self._transactions, data.Transaction))
 def accounts(self):
     return persistence.Query(
         MongoQueryExecutor(self._accounts, data.AccountBalance))
 def businesses(self):
     return persistence.Query(
         MongoQueryExecutor(self._businesses, data.Business))
 def users(self):
     return persistence.Query(MongoQueryExecutor(self._users, data.User))
 def transactions(self):
     return persistence.Query(self._transactions)
 def accounts(self):
     return persistence.Query(self.point_accounts)
 def businesses(self):
     return persistence.Query(self._businesses)
 def users(self):
     return persistence.Query(self._users)