From 2eacd762b1605f4b6d449b8725d980c96de4d826 Mon Sep 17 00:00:00 2001
From: JonZhao <1044264932@qq.com>
Date: Thu, 30 May 2019 12:57:27 +0800
Subject: add local_search_procedure_for_global_path

---
 vrptw_base.py | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'vrptw_base.py')

diff --git a/vrptw_base.py b/vrptw_base.py
index 988713e..52cdafa 100644
--- a/vrptw_base.py
+++ b/vrptw_base.py
@@ -166,9 +166,14 @@ class VrptwGraph:
 
 class PathMessage:
     def __init__(self, path, distance):
-        self.path = copy.deepcopy(path)
-        self.distance = copy.deepcopy(distance)
-        self.used_vehicle_num = self.path.count(0) - 1
+        if path is not None:
+            self.path = copy.deepcopy(path)
+            self.distance = copy.deepcopy(distance)
+            self.used_vehicle_num = self.path.count(0) - 1
+        else:
+            self.path = None
+            self.distance = None
+            self.used_vehicle_num = None
 
     def get_path_info(self):
         return self.path, self.distance, self.used_vehicle_num
-- 
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