Repository annotation

As explained in Java Persistence with Spring Data and Hibernate epub

The Spring Repository annotation identifies a component as a data-access repository and enables translation of persistence exceptions into Spring's unchecked data-access exceptions.

How Java Persistence with Spring Data and Hibernate epub covers it

How deep it goes

Explains component registration and persistence-exception translation, then demonstrates application on concrete DAO implementations.

Examples

Uses ItemDaoImpl and BidDaoImpl as repository implementations backed by an injected EntityManager.

What you can do after

Configure DAO classes as Spring components with automatic persistence-exception translation.

How it connects

Connects DAO pattern, Spring components, persistence exception translation, JPA EntityManager, and transaction management.

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Related concepts

• dependency graphpart of · A dependency graph is a graph whose nodes represent entities and whose edges represent dependency relationships among them.
• data access objectconfigures · A data access object is a component that encapsulates operations for accessing and manipulating persistent data, separating persistence concerns from application logic.

This explainer was generated by Manning's knowledge graph from the text of Java Persistence with Spring Data and Hibernate epub. The section links point to the parts of the book it draws on.