Example: Line群組通知
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
| @startuml Example-Line-Group-Observer-Pattern
abstract class Observer
{
{abstract} + update()
}
abstract class Subject
{
+ attachObserver(Observer observer)
+ detachObserver(Observer observer)
+ notifyObservers()
}
Observer <- Subject
class User
{
+ __construct(string name)
}
Observer <|-- User
class Program
{
# state:string
+ run()
}
Subject <|-- Program
@enduml
|
ʕ •ᴥ•ʔ：若不熟悉 UML 類別圖，可參考UML類別圖說明。