def get_vehicle_instance_dict(vehicle_infos: list, id_to_order_item: dict,
id_to_factory: dict):
id_to_vehicle = {}
for vehicle_info in vehicle_infos:
vehicle_id = vehicle_info.get("id")
operation_time = vehicle_info.get("operation_time")
capacity = vehicle_info.get("capacity")
gps_id = vehicle_info.get("gps_id")
carrying_item_id_list = vehicle_info.get("carrying_items")
carrying_items = [
id_to_order_item.get(item_id) for item_id in carrying_item_id_list
if item_id in carrying_item_id_list
]
destination = vehicle_info.get("destination")
if destination is not None:
destination = __get_destination(destination, id_to_factory,
id_to_order_item)
logger.debug(f"Get vehicle {vehicle_id} instance from json, "
f"item id list = {len(carrying_item_id_list)},"
f"item list = {len(carrying_items)}")
if vehicle_id not in id_to_vehicle:
vehicle = Vehicle(vehicle_id, capacity, gps_id, operation_time,
carrying_items)
vehicle.destination = destination
id_to_vehicle[vehicle_id] = vehicle
return id_to_vehicle
def __meet_order_splitting_constraint(dispatch_result, id_to_vehicle: dict, id_to_order: dict):
vehicle_id_to_destination = dispatch_result.vehicle_id_to_destination
vehicle_id_to_planned_route = dispatch_result.vehicle_id_to_planned_route
vehicle_id_to_item_list = get_item_list_of_vehicles(dispatch_result, id_to_vehicle)
capacity = 0
split_order_id_list = Checker.__find_split_orders_from_vehicles(vehicle_id_to_item_list)
for vehicle_id, vehicle in id_to_vehicle.items():
logger.debug(f"Find split orders of vehicle {vehicle_id}")
capacity = vehicle.board_capacity
carrying_items = copy.deepcopy(vehicle.carrying_items)
route = []
if vehicle_id in vehicle_id_to_destination and vehicle_id_to_destination.get(vehicle_id) is not None:
route.append(vehicle_id_to_destination.get(vehicle_id))
if vehicle_id in vehicle_id_to_planned_route:
route.extend(vehicle_id_to_planned_route.get(vehicle_id))
split_order_id_list.extend(Checker.__find_split_orders_in_vehicle_routes(route, carrying_items))
for order_id in split_order_id_list:
if order_id in id_to_order:
order = id_to_order.get(order_id)
if order.demand <= capacity:
logger.error(f"order {order.id} demand: {order.demand} <= {capacity}, we can not split this order.")
return False
return True
def __init__(self,
order_id: str,
components: dict,
demand: float,
creation_time: int,
committed_completion_time: int,
loading_time: int,
unloading_time: int,
delivery_factory_id: str,
pickup_factory_id: str,
delivery_state=0):
"""
:param order_id: 订单编号
:param components: 订单包含的物料, components of the order, e.g. {'PALLET': 1, 'HALF_PALLET': 1, 'BOX': 2}
:param demand: 货物总量, total cargo number, unit is standard pallet
:param creation_time: unix timestamp, unit is second
:param committed_completion_time: unix timestamp, unit is second
:param loading_time: unit is second
:param unloading_time: unit is second
:param delivery_factory_id: 送货地
:param pickup_factory_id: 取货地
:param delivery_state: state of the order, 0: 初始(initialization), 1: 已生成(generated), 2: 进行中(ongoing), 3: 完成(Completed)
"""
self.id = order_id
self.creation_time = creation_time
self.committed_completion_time = committed_completion_time
self.load_time = loading_time
self.unload_time = unloading_time
self.pickup_factory_id = pickup_factory_id
self.delivery_factory_id = delivery_factory_id
self.components = components
self.demand = demand
self.item_list = []
self.delivery_state = int(delivery_state)
logger.debug(
f"{order_id}, creation time: {datetime.datetime.fromtimestamp(creation_time)}, "
f"committed completion time: {datetime.datetime.fromtimestamp(committed_completion_time)}, "
f"components: {self.components.get(Configs.STANDARD_PALLET_LABEL, 0)} standard pallets, "
f"{self.components.get(Configs.SMALL_PALLET_LABEL, 0)} small pallets, "
f"{self.components.get(Configs.BOX_LABEL, 0)} boxes, "
f"pickup factory id: {delivery_factory_id}, delivery factory id: {pickup_factory_id}"
)
def __find_split_orders_from_vehicles(vehicle_id_to_item_list: dict):
order_id_to_vehicle_ids = {}
for vehicle_id, item_list in vehicle_id_to_item_list.items():
order_id_list = []
for item in item_list:
order_id = item.order_id
if order_id not in order_id_list:
order_id_list.append(order_id)
logger.debug(f"Vehicle {vehicle_id} contains {len(order_id_list)} orders, {len(item_list)} order items")
for order_id in order_id_list:
if order_id not in order_id_to_vehicle_ids:
order_id_to_vehicle_ids[order_id] = []
order_id_to_vehicle_ids[order_id].append(vehicle_id)
split_order_ids = []
for order_id, vehicle_ids in order_id_to_vehicle_ids.items():
if len(vehicle_ids) > 1:
split_order_ids.append(order_id)
logger.debug(f"Find {len(split_order_ids)} split orders from vehicles")
return split_order_ids
def __find_split_orders_in_vehicle_routes(route, carrying_items):
order_id_list = []
split_order_ids = []
while not carrying_items.is_empty():
item = carrying_items.pop()
order_id = item.order_id
if order_id not in order_id_list:
order_id_list.append(order_id)
for node in route:
tmp_order_id_list = []
pickup_items = node.pickup_items
for item in pickup_items:
if item.order_id not in tmp_order_id_list:
tmp_order_id_list.append(item.order_id)
for order_id in tmp_order_id_list:
if order_id not in order_id_list:
order_id_list.append(order_id)
else:
split_order_ids.append(order_id)
logger.debug(f"find {len(split_order_ids)} split orders")
return split_order_ids
