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
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.
180
にトランザクション制御を記述します。宣言的トランザクションを利用
する場合は、コントローラーから呼び出すサービスに対してアノテー
ションを付与する（あるいは設定ファイルに同等の定義を記述する）こ
とになります。もし一つの処理内で複数のサービスを呼び出す場合は、
ドメイン層にFacadeとなるサービスを配置してそれをトランザクショ
ン境界とします。
⹅
図4.4.10
トランザクション境界
プレゼンテーション層
ドメイン層
データアクセス層
リクエスト
レスポンス
トランザクション境界
リポジトリ/Dao
リポジトリ/Dao
コントローラー
Facadeサービス
メソッド
サービス
サービス
一つのリクエストの中で複数のトランザクションが発生する例外的な
ケースの具体例としては、監査などのログ記録やエラー通知が挙げられ
ます。アプリケーション処理が失敗してトランザクションがロールバッ
クされたとしても、ログや通知のデータ登録だけはコミットさせたいた
め、部分的に別のトランザクション境界を設ける必要があります。
データベースアクセス
昨今、キーバリュー型データベースやドキュメント型データベースな
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.