Example: 快取代理
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| @startuml Example-Cache-Proxy-Pattern
interface Readable
{
+ read(string keyword): array
}
class Database
{
+ read(string keyword): array
}
class CacheProxy
{
# cached: array
# database: Database
+ __construct()
+ read(string keyword): array
}
Readable <|.. CacheProxy
Readable <|.. Database
CacheProxy -> Database
class Program
{
# proxy: CacheProxy
+ __construct()
+ search(string keyword): array
}
Program -> CacheProxy
@enduml
|
ʕ •ᴥ•ʔ：若不熟悉 UML 類別圖，可參考UML類別圖說明。