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Merge pull request #8697 from wugangca/BAEL-3737

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BAEL-3737 Calling Stored Procedures from Spring Data JPA Repositories
This commit is contained in:
Eric Martin 2020-02-28 23:24:52 -06:00 committed by GitHub
commit 9ad211c1de
8 changed files with 216 additions and 1 deletions
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10
persistence-modules/spring-data-jpa-4/pom.xml
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@ -23,6 +23,16 @@
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jdbc</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>

13
persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/storedprocedure/StoredProcedureApplication.java Normal file
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@ -0,0 +1,13 @@
package com.baeldung.storedprocedure;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class StoredProcedureApplication {
public static void main(String[] args) {
SpringApplication.run(StoredProcedureApplication.class, args);
}
}

47
persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/storedprocedure/controller/CarController.java Normal file
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package com.baeldung.storedprocedure.controller;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.baeldung.storedprocedure.entity.Car;
import com.baeldung.storedprocedure.service.CarService;
@RestController
public class CarController {
@Autowired
private CarService carService;
@GetMapping(path = "/modelcount")
public long getTotalCarsByModel(@RequestParam("model") String model) {
return carService.getTotalCarsByModel(model);
}
@GetMapping(path = "/modelcountP")
public long getTotalCarsByModelProcedureName(@RequestParam("model") String model) {
return carService.getTotalCarsByModelProcedureName(model);
}
@GetMapping(path = "/modelcountV")
public long getTotalCarsByModelVaue(@RequestParam("model") String model) {
return carService.getTotalCarsByModelValue(model);
}
@GetMapping(path = "/modelcountEx")
public long getTotalCarsByModelExplicit(@RequestParam("model") String model) {
return carService.getTotalCarsByModelExplicit(model);
}
@GetMapping(path = "/modelcountEn")
public long getTotalCarsByModelEntity(@RequestParam("model") String model) {
return carService.getTotalCarsByModelEntity(model);
}
@GetMapping(path = "/carsafteryear")
public List<Car> findCarsAfterYear(@RequestParam("year") Integer year) {
return carService.findCarsAfterYear(year);
}
}

41
persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/storedprocedure/entity/Car.java Normal file
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package com.baeldung.storedprocedure.entity;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedStoredProcedureQuery;
import javax.persistence.StoredProcedureParameter;
import javax.persistence.ParameterMode;
@Entity
@NamedStoredProcedureQuery(name = "Car.getTotalCardsbyModelEntity", procedureName = "GET_TOTAL_CARS_BY_MODEL", parameters = {
@StoredProcedureParameter(mode = ParameterMode.IN, name = "model_in", type = String.class),
@StoredProcedureParameter(mode = ParameterMode.OUT, name = "count_out", type = Integer.class) })
public class Car {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column
private long id;
@Column
private String model;
@Column
private Integer year;
public long getId() {
return id;
}
public String getModel() {
return model;
}
public Integer getYear() {
return year;
}
}

34
persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/storedprocedure/repository/CarRepository.java Normal file
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package com.baeldung.storedprocedure.repository;
import java.util.List;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.jpa.repository.query.Procedure;
import org.springframework.data.repository.query.Param;
import org.springframework.stereotype.Repository;
import com.baeldung.storedprocedure.entity.Car;
@Repository
public interface CarRepository extends JpaRepository<Car, Integer> {
@Procedure
int GET_TOTAL_CARS_BY_MODEL(String model);
@Procedure("GET_TOTAL_CARS_BY_MODEL")
int getTotalCarsByModel(String model);
@Procedure(procedureName = "GET_TOTAL_CARS_BY_MODEL")
int getTotalCarsByModelProcedureName(String model);
@Procedure(value = "GET_TOTAL_CARS_BY_MODEL")
int getTotalCarsByModelValue(String model);
@Procedure(name = "Car.getTotalCardsbyModelEntity")
int getTotalCarsByModelEntiy(@Param("model_in") String model);
@Query(value = "CALL FIND_CARS_AFTER_YEAR(:year_in);", nativeQuery = true)
List<Car> findCarsAfterYear(@Param("year_in") Integer year_in);
}

39
persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/storedprocedure/service/CarService.java Normal file
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package com.baeldung.storedprocedure.service;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.baeldung.storedprocedure.entity.Car;
import com.baeldung.storedprocedure.repository.CarRepository;
@Service
public class CarService {
@Autowired
private CarRepository carRepository;
public int getTotalCarsByModel(String model) {
return carRepository.getTotalCarsByModel(model);
}
public int getTotalCarsByModelProcedureName(String model) {
return carRepository.getTotalCarsByModelProcedureName(model);
}
public int getTotalCarsByModelValue(String model) {
return carRepository.getTotalCarsByModelValue(model);
}
public int getTotalCarsByModelExplicit(String model) {
return carRepository.GET_TOTAL_CARS_BY_MODEL(model);
}
public int getTotalCarsByModelEntity(String model) {
return carRepository.getTotalCarsByModelEntiy(model);
}
public List<Car> findCarsAfterYear(Integer year) {
return carRepository.findCarsAfterYear(year);
}
}

6
persistence-modules/spring-data-jpa-4/src/main/resources/application.properties
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@ -1 +1,5 @@
spring.jpa.show-sql=true
spring.jpa.show-sql=true
#MySql
spring.datasource.url=jdbc:mysql://localhost:3306/baeldung
spring.datasource.username=baeldung
spring.datasource.password=baeldung

27
persistence-modules/spring-data-jpa-4/src/main/resources/car-mysql.sql Normal file
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@ -0,0 +1,27 @@
DROP TABLE IF EXISTS car;
CREATE TABLE car (id int(10) NOT NULL AUTO_INCREMENT,
model varchar(50) NOT NULL,
year int(4) NOT NULL,
PRIMARY KEY (id));
INSERT INTO car (model, year) VALUES ('BMW', 2000);
INSERT INTO car (model, year) VALUES ('BENZ', 2010);
INSERT INTO car (model, year) VALUES ('PORCHE', 2005);
INSERT INTO car (model, year) VALUES ('PORCHE', 2004);
DELIMITER $$
DROP PROCEDURE IF EXISTS FIND_CARS_AFTER_YEAR$$
CREATE PROCEDURE FIND_CARS_AFTER_YEAR(IN year_in INT)
BEGIN
SELECT * FROM car WHERE year >= year_in ORDER BY year;
END$$
DROP PROCEDURE IF EXISTS GET_TOTAL_CARS_BY_MODEL$$
CREATE PROCEDURE GET_TOTAL_CARS_BY_MODEL(IN model_in VARCHAR(50), OUT count_out INT)
BEGIN
SELECT COUNT(*) into count_out from car WHERE model = model_in;
END$$
DELIMITER ;