June 2022
Beginner to intermediate
672 pages
17h 23m
Japanese
Content preview from Head Firstデザインパターン 第2版 ―頭とからだで覚えるデザインパターンの基本
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243
7
章
Adapter
パターンと
Facade
パターン
アダプティ
（適合される側）
クライアント
アダプタ
request()
translatedRequest()
Adapter
パターンの説明
クライアントは、ターゲットインタ
フェースに対して実装されている。
アダプタはターゲットインタ
フェースを実装し、アダプティの
インスタンスを保持する。
ターゲット
インタフェース
アダプティ
インタフェース
アダプタがどんなものかを理解できたところで、もう一度すべての構
成要素を確認しましょう。
クライアントがターゲットインタフェースを使ってアダプタ
のメソッドを呼び出し、アダプタにリクエストを行う。
アダプタは、アダプティインタフェースを使ってリクエスト
をアダプティの
1
つ以上の呼び出しに変換する。
クライアントは呼び出し結果を受け取るが、変換を行ったア
ダプタの存在については全く関知しない。
クライアントは次のようにアダプタを使います。
1
2
3
クライアントとアダプティが分離され
ていることに注意しましょう。どちら
も互いについては何も知りません。
TurkeyAdapter
は、ターゲット
インタフェースである
Duck
を実
装しました。
Turkey
がアダプティ
インタフェースでした。
244
7
章
Adapter ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.