Spring Data repository
An interface-based abstraction for accessing persistent domain objects, whose interfaces may declare data-access operations supported or implemented by Spring Data.
Java Persistence with Spring Data and Hibernate epub
A repository interface is a programming interface that defines data-access operations for a persistent domain type without prescribing their implementation.
- How it is used
- Simplifies Java access to relational and NoSQL databases through framework-generated repository implementations.
- How deep it goes
- Explains interface inheritance, generated proxies, standard operations, and configuration, but does not detail proxy internals.
- Examples
- Uses MessageRepository, UserRepository, LogRepository, injected tests, and generated proxy implementations.
- What you can do after
- Apply it via Spring Data JPA by declaring, injecting, and calling a repository for persistent domain objects.
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Spring Security in Action, Second Edition
A Spring Data repository is an interface-based abstraction that provides data-access operations for an underlying data store.
- How it is used
- Uses repository methods to connect Spring applications with databases and enforce data filtering.
- How deep it goes
- Explains annotations, query conditions, authentication integration, and performance consequences through a runnable product example.
- Examples
- Uses a Product entity, ProductRepository, MySQL table, sample products, REST requests, and owner-filtered JSON responses.
- What you can do after
- Implement repository-level filtering and diagnose why post-retrieval filtering can exhaust memory or reduce performance.
Read how Spring Security in Action, Second Edition explains Spring Data repository →
Related concepts
- adapterused by · The adapter pattern is a structural design pattern in which a component translates between interfaces or representations so otherwise incompatible components can work together.
- @PostFilterused by · @PostFilter is a Spring Security annotation that filters elements of a method's returned collection or array according to an authorization expression.
- Spring Data JPAused by · Spring Data JPA is a Spring module that provides repository abstractions and query support for accessing relational data through JPA implementations.
- query filteringused by · Query filtering is the enforcement of data-selection conditions within a database query so that unauthorized records are not retrieved.
- Spring Data RESTused by · Spring Data REST is a Spring Data project that exposes repository-backed data and operations through RESTful resources.
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