BAEL-3737 Calling Stored Procedures from Spring Data JPA Repositories
This commit is contained in:
Gang Wu
parent
6dcb329bbc
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.2.4.RELEASE</version>
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<relativePath /> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.baeldung</groupId>
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<artifactId>jpa</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>spring-boot-jpa</name>
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<description>spring-boot-jpa</description>
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<properties>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jdbc</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jpa</artifactId>
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</dependency>
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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</dependency>
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.baeldung.jpa;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class SpringBootJpaApplication {
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public static void main(String[] args) {
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SpringApplication.run(SpringBootJpaApplication.class, args);
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}
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}
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package com.baeldung.jpa.controller;
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import java.util.List;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import com.baeldung.jpa.entity.Car;
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import com.baeldung.jpa.service.CarService;
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@RestController
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public class CarController {
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@Autowired
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private CarService carService;
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@GetMapping(path = "/modelcount")
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public long getTotalCarsByModel(@RequestParam("model") String model) {
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return carService.getTotalCarsByModel(model);
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}
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@GetMapping(path = "/carsafteryear")
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public List<Car> findCarsAfterYear(@RequestParam("year") Integer year) {
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return carService.findCarsAfterYear(year);
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}
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}
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package com.baeldung.jpa.entity;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.GenerationType;
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import javax.persistence.Id;
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@Entity
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public class Car {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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@Column
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private long id;
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@Column
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private String model;
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@Column
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private Integer year;
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public long getId() {
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return id;
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}
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public String getModel() {
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return model;
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}
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public Integer getYear() {
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return year;
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}
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}
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package com.baeldung.jpa.repository;
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import java.util.List;
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import org.springframework.data.jpa.repository.JpaRepository;
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import org.springframework.data.jpa.repository.Query;
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import org.springframework.data.jpa.repository.query.Procedure;
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import org.springframework.data.repository.query.Param;
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import org.springframework.stereotype.Repository;
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import com.baeldung.jpa.entity.Car;
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@Repository
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public interface CarRepository extends JpaRepository<Car, Integer> {
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@Procedure(procedureName = "GET_TOTAL_CARS_BY_MODEL")
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int getTotalCarsByModel(@Param("model_in") String model);
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@Query(value = "CALL FIND_CARS_AFTER_YEAR(:year_in);", nativeQuery = true)
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List<Car> findCarsAfterYear(@Param("year_in") Integer year_in);
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}
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package com.baeldung.jpa.service;
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import java.util.List;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import com.baeldung.jpa.entity.Car;
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import com.baeldung.jpa.repository.CarRepository;
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@Service
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public class CarService {
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@Autowired
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private CarRepository carRepository;
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public int getTotalCarsByModel(String model) {
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return carRepository.getTotalCarsByModel(model);
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}
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public List<Car> findCarsAfterYear(Integer year) {
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return carRepository.findCarsAfterYear(year);
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}
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}
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@ -0,0 +1,17 @@
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#spring.jpa.hibernate.ddl-auto=validate
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#MySql
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spring.datasource.url=jdbc:mysql://localhost:3306/baeldung
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spring.datasource.username=baeldung
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spring.datasource.password=baeldung
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#spring.datasource.driver-class-name=com.mysql.jdbc.Driver
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#spring.datasource.platform=mysql
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#spring.datasource.initialization-mode=always
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#spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5Dialect
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#For debugging
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#spring.jpa.show-sql = true
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DROP TABLE IF EXISTS car;
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CREATE TABLE car (id int(10) NOT NULL AUTO_INCREMENT,
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model varchar(50) NOT NULL,
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year int(4) NOT NULL,
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PRIMARY KEY (id));
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INSERT INTO car (model, year) VALUES ('BMW', 2000);
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INSERT INTO car (model, year) VALUES ('BENZ', 2010);
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INSERT INTO car (model, year) VALUES ('PORCHE', 2005);
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INSERT INTO car (model, year) VALUES ('PORCHE', 2004);
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DELIMITER $$
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DROP PROCEDURE IF EXISTS FIND_CARS_AFTER_YEAR$$
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CREATE PROCEDURE FIND_CARS_AFTER_YEAR(IN year_in INT)
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BEGIN
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SELECT * FROM car WHERE year >= year_in ORDER BY year;
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END$$
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DROP PROCEDURE IF EXISTS GET_TOTAL_CARS_BY_MODEL$$
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CREATE PROCEDURE GET_TOTAL_CARS_BY_MODEL(IN model_in VARCHAR(50), OUT count_out INT)
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BEGIN
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SELECT COUNT(*) into count_out from car WHERE model = model_in;
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END$$
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DELIMITER ;
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@ -0,0 +1,13 @@
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package com.baeldung.jpa;
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import org.junit.jupiter.api.Test;
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import org.springframework.boot.test.context.SpringBootTest;
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@SpringBootTest
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class SpringBootJpaApplicationTests {
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@Test
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void contextLoads() {
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}
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}
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