# Copyright 2016-present CERN – European Organization for Nuclear Research
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from abc import abstractmethod, ABCMeta
from datetime import datetime
from qf_lib.backtesting.events.event_base import Event
[docs]class TimeEvent(Event, metaclass=ABCMeta):
"""
Represents an event associated with certain date/time (e.g. 2017-05-13 13:00).
"""
@abstractmethod
def next_trigger_time(self, now: datetime) -> datetime:
pass
@abstractmethod
def notify(self, listener) -> None:
pass
def __eq__(self, other):
if self is other:
return True
if type(self) != type(other):
return False
return True
def __hash__(self):
return hash(type(self))