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REST APIs with Spring, JPA, and Springfox

Pagination and Sorting

Explore how to implement pagination and sorting in Spring Data JPA using the PagingAndSortingRepository interface. Learn to create flexible REST APIs that handle sorting and pagination parameters for Todo and TodoType entities, enhancing data retrieval efficiency and user control over API responses.

We'll cover the following...

PagingAndSortingRepository

So far, we’ve integrated our REST APIs for CRUD operations with the database by using JPA,s TodoRepository and TodoTypeRepository repositories. We also extended the CrudRepository interface. In this lesson, we’ll replace the CrudRepository with the PagingAndSortingRepository to enable pagination and sorting features.

TodoRepository extending PagingAndSortingRepository

Java
package io.educative.repositories;
import io.educative.domains.Todo;
import org.springframework.data.repository.PagingAndSortingRepository;
import org.springframework.stereotype.Repository;
@Repository
public interface TodoRepository extends PagingAndSortingRepository<Todo, Long> {
}

TodoTypeRepository extending PagingAndSortingRepository

Java
package io.educative.repositories;
import io.educative.domains.TodoType;
import org.springframework.data.repository.PagingAndSortingRepository;
import org.springframework.stereotype.Repository;
@Repository
public interface TodoTypeRepository extends PagingAndSortingRepository<TodoType, String> {
}

Let’s look at the findAll methods of the PagingAndSortingRepository interface with the Sort and Pageable parameters:

public interface PagingAndSortingRepository<T,
...