# 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 Dict
[docs]class Request():
"""
A request is a source-destination pair represents a quantum transmitting request.
"""
def __init__(self, src, dest, attr: Dict = {}) -> None:
"""
Args:
src: the source node
dest: the destination node
attr: other attributions
"""
from qns.entity import QNode
self.src: QNode = src
self.dest: QNode = dest
self.attr: Dict = attr
def __repr__(self) -> str:
return f"<Request {self.src}->{self.dest}>"