July 2024
Beginner to intermediate
272 pages
5h 40m
Japanese
Content preview from アーキテクトの教科書 価値を生むソフトウェアのアーキテクチャ構築
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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.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.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.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.
127
3
⹅
図3.4.4
クリーンアーキテクチャにおけるコンポーネント構成例
Controller
Entities
Input
Boundary
Presenter
Output
Boundary
Use Case
lnteractor
View Model
View Data Access Database
<DS>
Input Data
<DS>
Output Data
<DS>
<I>
<I>
Data Access
Interface
<I>
出典： Robert C. Martin 著、角 征典、高木 正弘 訳『Clean Architecture 達人に学ぶソフ
トウェアの構造と設計』KADOKAWA（2018）
※6
クリーンアーキテクチャでは、最重要のドメイン層を中心に据えると
いうコンセプトを達成するために、依存関係逆転の原則を適用した抽象
化が肝となっています。そのため、設計難易度が上がることや、図
3.4.4からもわかるとおりインターフェースやコンポーネントの数が増
えて複雑性が増すことに注意が必要です。
これは、中心のドメイン層において複雑なビジネスルールを実現する
ソースコードの見通しをよくすることとの引き換えで発生するトレード
オフです。逆に、ビジネスルールが単純なアプリケーションに対してク
リーンアーキテクチャを適用しても、手間ばかりかかるだけで旨みがあ
りません。
パイプラインアーキテクチャ
パイプラインアーキテクチャ
※5
は、パイプとフィルター（Pipes and
128
Filters）とも呼ばれるアーキテクチャスタイルで ...
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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.