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Spring Data JPAで共通Repository作成

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すべてのRepositoryに共通処理を定義したい場合の方法

実装方法

公式ドキュメントをそのままコピペしただけ

共通Repository実装

MyRepositoryImpl.java
class MyRepositoryImpl<T, ID extends Serializable> extends SimpleJpaRepository<T, ID> {

共通Repository設定

JavaConfig.java
@Configuration
@EnableJpaRepositories(repositoryBaseClass = MyRepositoryImpl.class)
class ApplicationConfiguration {  }

or

config.xml
<repositories base-package="com.acme.repository" base-class="….MyRepositoryImpl" />

参考

公式ドキュメント
https://docs.spring.io/spring-data/jpa/docs/current/reference/html/#repositories.customize-base-repository

terasolunaドキュメント
http://terasolunaorg.github.io/guideline/5.3.1.RELEASE/ja/ArchitectureInDetail/DataAccessDetail/DataAccessJpa.html#custommethod-all-label

base-classを2つ以上定義したい場合

config.xml
<repositories base-package="com.acme.repository1" base-class="….MyRepository1Impl" />
<repositories base-package="com.acme.repository2" base-class="….MyRepository2Impl" />

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