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How Can I Implement Pagination in Spring Data JPA Using Annotations?

Barbara Streisand
Release: 2024-10-29 03:04:29
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How Can I Implement Pagination in Spring Data JPA Using Annotations?

Pagination in Spring-Data-JPA

Question:

In Spring-Data-JPA, how can pagination be achieved with annotations?

Answer:

As of Spring Data JPA 1.7.0:

The Top and First keywords allow for pagination in query methods:

<code class="java">findTop10ByLastnameOrderByFirstnameAsc(String lastname);</code>
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Spring Data will limit results accordingly.

For Previous Versions:

Pagination is done using the Pageable interface and the Page abstraction:

<code class="java">public interface UserRepository extends Repository<User, Long> {
  List<User> findByUsername(String username, Pageable pageable);
}

Pageable topTen = new PageRequest(0, 10);
List<User> result = repository.findByUsername("Matthews", topTen);</code>
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If context information is needed, use Page as the return type:

<code class="java">public interface UserRepository extends Repository<User, Long> {
  Page<User> findByUsername(String username, Pageable pageable);
}

Pageable topTen = new PageRequest(0, 10);
Page<User> result = repository.findByUsername("Matthews", topTen);</code>
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Using Page requires triggering a count projection query to calculate metadata. Ensure PageRequest contains sorting information to get stable results.

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