# SimQN: a discrete-event simulator for the quantum networks
# Copyright (C) 2021-2022 Lutong Chen, Jian Li, Kaiping Xue
# University of Science and Technology of China, USTC.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from typing import Optional
from qns.models.delay.delay import DelayModel
[docs]class ConstantDelayModel(DelayModel):
def __init__(self, delay: float = 0, name: Optional[str] = None) -> None:
"""
A constant delay model
Args:
name (str): the name of this delay model
delay (float): the time delay [s]
"""
super().__init__(name)
self._delay = delay
[docs] def calculate(self) -> float:
"""
Return:
the time delay [s]
"""
return self._delay