# 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 qf_lib.backtesting.order.execution_style import ExecutionStyle
from qf_lib.backtesting.order.time_in_force import TimeInForce
from qf_lib.common.tickers.tickers import Ticker
[docs]class Order:
"""
Order generated by a strategy, then processed by PositionSizer.
Finally executed by ExecutionHandler.
"""
def __init__(self, ticker: Ticker, quantity: float, execution_style: ExecutionStyle,
time_in_force: TimeInForce, order_state: str = "", strategy: str = ""):
"""
This __init__ shouldn't be used anywhere beyond this module. Use OrderFactory for creating Order objects.
"""
self.id = None # type:int
self.ticker = ticker
self.quantity = quantity
self.time_in_force = time_in_force
self.execution_style = execution_style
self.order_state = order_state
self.strategy = strategy
def __str__(self):
return f"\nOrder:\n" \
f"\tid: {self.id}\n" \
f"\tticker: {self.ticker}\n" \
f"\tquantity: {self.quantity}\n" \
f"\ttif: {self.time_in_force}\n" \
f"\texecution_style: {self.execution_style}\n" \
f"\torder_state: {self.order_state}\n" \
f"\tstrategy: {self.strategy}"
def __eq__(self, other):
if self is other:
return True
if not isinstance(other, Order):
return False
if self.id is not None and other.id == self.id:
return True
# when both ids are none -> compare the values
return (self.ticker, self.quantity, self.time_in_force, self.execution_style) == \
(other.ticker, other.quantity, other.time_in_force, other.execution_style)
def __hash__(self):
return hash((self.ticker, self.quantity, self.time_in_force, self.execution_style))