May 2024
Intermediate to advanced
752 pages
24h
Japanese
Content preview from Spring徹底入門 第2版 Spring FrameworkによるJavaアプリケーション開発
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524
SpringDataJPA
10
<bean class="org.springframework.data.web.PageableHandlerMethodArgument
Resolver" />
</mvc:argument-resolvers>
</mvc:annotation-driven>
利用イメージ
リクエストの URL：http://xxx/rooms?page=2&size=10&sort=roomName
@GetMapping("rooms")
public String getRoomsAll(Model model, Pageable pageable) {
// pageable
引数に
URL
の
page
、
size
、
sort
の値が格納されている
//
・・・
}
Repository へのカスタムメソッドの追加
Spring Data JPA
が提供する
JpaRepository
などで標準で提供されていない操作については、クエリメソッド
を追加することで拡張する方法を紹介しました。しかし、動的にクエリの内容を変更するなどの命令的な記述が
必要なケースへは、
Repository
インターフェイスへのクエリメソッド追加だけでは対応できません。そこで
Spring Data JPA
は、
Repository
のクエリメソッドに利用者が作成したカスタムメソッドの実装を紐付けるため
の 手 段 を 提 供し て います（
図10.5）。
追加したいクエリ
メソッドを 実 装
追加したいクエリ ...
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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.