Python-Design-Patterns chaining_method
Table of Contents
chaining_method Model
Python-Design-Patterns chaining_method
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import print_function
class Person(object):
def __init__(self, name, action):
self.name = name
self.action = action
def do_action(self):
print(self.name, self.action.name, end=' ')
return self.action
class Action(object):
def __init__(self, name):
self.name = name
def amount(self, val):
print(val, end=' ')
return self
def stop(self):
print('then stop')
if __name__ == '__main__':
move = Action('move')
person = Person('Jack', move)
person.do_action().amount('5m').stop()
### OUTPUT ###
# Jack move 5m then stop
chaining_method.py
