Spring Data Jpa Web support enables Pageable as well. It registers a PageableHandlerMethodArgumentResolver
which enables Pageable
and SortHandlerMethodArgumentResolver
which enables Sort
as controller methods argumensts.
drop database if exists AppleDb;
create database AppleDb;
use AppleDb;
create TABLE apple ( apple_id BIGINT NOT NULL, apple_name VARCHAR(255) DEFAULT NULL,rating int(1) DEFAULT NULL, PRIMARY KEY (apple_id)) ENGINE=INNODB;
create TABLE hibernate_sequence ( next_val BIGINT) ENGINE=INNODB;
insert into hibernate_sequence values ( 1 );
insert into apple (apple_name, apple_id, taste) values ("Macintosh", 1, "tangy");
insert into apple (apple_name, apple_id, taste) values ("Fuji", 2, "sweet");
insert into apple (apple_name, apple_id, taste) values ("Gala", 3, "juicy");
insert into apple (apple_name, apple_id, taste) values ("Jonagold", 4, "firm sweet");
insert into apple (apple_name, apple_id, taste) values ("GrannySmith", 5, "sharp");
package com.sujan.example.jpa.controller;
import com.sujan.example.jpa.entity.Apple;
import com.sujan.example.jpa.repository.AppleRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class AppleController {
@Autowired
private AppleRepository appleRepository;
@GetMapping("/{apples}")
public Page<Apple> findAllApple(Pageable pageable) {
return appleRepository.findAll(pageable);
}
}
package com.sujan.example.jpa.entity;
import lombok.Data;
import lombok.NoArgsConstructor;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
@Data
@Entity
@NoArgsConstructor
public class Apple {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long appleId;
private String appleName;
private int rating;
}
package com.sujan.example.jpa.repository;
import com.sujan.example.jpa.entity.Apple;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
@Repository
public interface AppleRepository extends JpaRepository<Apple, Long> {
}
package com.sujan.example.jpa;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.data.web.config.EnableSpringDataWebSupport;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
@SpringBootApplication
@EnableWebMvc
@EnableSpringDataWebSupport
public class JpaApplication {
public static void main(String[] args) {
SpringApplication.run(JpaApplication.class, args);
}
}
spring.datasource.url=jdbc:mysql://localhost:3306/AppleDb
spring.datasource.username=root
spring.datasource.password=root
plugins {
id 'org.springframework.boot' version '2.3.3.RELEASE'
id 'io.spring.dependency-management' version '1.0.10.RELEASE'
id 'java'
}
group = 'com.sujan'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '11'
configurations {
compileOnly {
extendsFrom annotationProcessor
}
}
repositories {
mavenCentral()
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-web'
annotationProcessor 'org.projectlombok:lombok'
compileOnly 'org.projectlombok:lombok'
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
runtimeOnly 'mysql:mysql-connector-java'
testImplementation('org.springframework.boot:spring-boot-starter-test') {
exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
}
}
test {
useJUnitPlatform()
}
curl --location --request GET 'http://localhost:8080/apples'
curl --location --request GET 'http://localhost:8080/apples?page=0&size=2%20'
curl --location --request GET 'http://localhost:8080/apples?sort=appleName,asc&sort=taste,desc'
select apple0_.apple_id as apple_id1_0_, apple0_.apple_name as apple_na2_0_, apple0_.taste as taste3_0_ from apple apple0_ limit ?
select apple0_.apple_id as apple_id1_0_, apple0_.apple_name as apple_na2_0_, apple0_.taste as taste3_0_ from apple apple0_ limit ?
select apple0_.apple_id as apple_id1_0_, apple0_.apple_name as apple_na2_0_, apple0_.taste as taste3_0_ from apple apple0_ order by apple0_.apple_name asc, apple0_.taste desc limit ?