Spring boot 3.0 이상, 3.0이하 querydsl 설정 방법

Spring boot 3.0 이상

build.gradle

plugins {
	id 'java'
	id 'org.springframework.boot' version '3.1.4'
	id 'io.spring.dependency-management' version '1.1.3'
}

group = 'study'
version = '0.0.1-SNAPSHOT'

java {
	sourceCompatibility = '17'
}

configurations {
	compileOnly {
		extendsFrom annotationProcessor
	}
}

repositories {
	mavenCentral()
}

dependencies {
	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
	implementation 'org.springframework.boot:spring-boot-starter-web'
	compileOnly 'org.projectlombok:lombok'
	runtimeOnly 'com.h2database:h2'
	annotationProcessor 'org.projectlombok:lombok'
	testImplementation 'org.springframework.boot:spring-boot-starter-test'

	// QueryDSL Implementation
	implementation 'com.querydsl:querydsl-jpa:5.0.0:jakarta'
	annotationProcessor "com.querydsl:querydsl-apt:${dependencyManagement.importedProperties['querydsl.version']}:jakarta"
	annotationProcessor "jakarta.annotation:jakarta.annotation-api"
	annotationProcessor "jakarta.persistence:jakarta.persistence-api"
}

test {
	useJUnitPlatform()
}

/**
 * QueryDSL Build Options
 */
def querydslDir = "src/main/generated"

sourceSets {
	main.java.srcDirs += [ querydslDir ]
}

tasks.withType(JavaCompile) {
	options.getGeneratedSourceOutputDirectory().set(file(querydslDir))
}

clean.doLast {
	file(querydslDir).deleteDir()
}

 

 

Spring boot 3.0 이하

build.gradle

// 1. queryDsl version 정보 추가
buildscript {
	ext {
		queryDslVersion = "5.0.0"
	}
}

plugins {
	id 'org.springframework.boot' version '2.7.1'
	id 'io.spring.dependency-management' version '1.0.11.RELEASE'
	// 2. querydsl plugins 추가
	id "com.ewerk.gradle.plugins.querydsl" version "1.0.10"
	id 'java'
}

group = 'study'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '1.8'

configurations {
	compileOnly {
		extendsFrom annotationProcessor
	}
}

repositories {
	mavenCentral()
}

dependencies {
	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
	implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
	implementation 'org.springframework.boot:spring-boot-starter-web'

	// 3. querydsl dependencies 추가
	implementation "com.querydsl:querydsl-jpa:${queryDslVersion}"
	implementation "com.querydsl:querydsl-apt:${queryDslVersion}"

	compileOnly 'org.projectlombok:lombok'
	developmentOnly 'org.springframework.boot:spring-boot-devtools'
	runtimeOnly 'com.h2database:h2'
	annotationProcessor 'org.projectlombok:lombok'
	testImplementation 'org.springframework.boot:spring-boot-starter-test'
}

tasks.named('test') {
	useJUnitPlatform()
}

/*
 * queryDSL 설정 추가
 */
// querydsl에서 사용할 경로 설정
def querydslDir = "$buildDir/generated/querydsl"
// JPA 사용 여부와 사용할 경로를 설정
querydsl {
	jpa = true
	querydslSourcesDir = querydslDir
}
// build 시 사용할 sourceSet 추가
sourceSets {
	main.java.srcDir querydslDir
}
// querydsl 컴파일시 사용할 옵션 설정
compileQuerydsl{
	options.annotationProcessorPath = configurations.querydsl
}
// querydsl 이 compileClassPath 를 상속하도록 설정
configurations {
	compileOnly {
		extendsFrom annotationProcessor
	}
	querydsl.extendsFrom compileClasspath
}

 

QuerydslConfig.java

package study.querydsl.config;

import com.querydsl.jpa.impl.JPAQueryFactory;
import jakarta.persistence.EntityManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class QuerydslConfig {
    private final EntityManager entityManager;

    public QuerydslConfig(EntityManager entityManager) {
        this.entityManager = entityManager;
    }

    @Bean
    public JPAQueryFactory jpaQueryFactory() {
        return new JPAQueryFactory(entityManager);
    }
}

 

 

 

test.java

package study.querydsl;

import com.querydsl.jpa.impl.JPAQueryFactory;
import jakarta.persistence.EntityManager;
import org.assertj.core.api.Assertions;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.transaction.annotation.Transactional;
import study.querydsl.entity.Hello;
import study.querydsl.entity.QHello;

import static org.assertj.core.api.Assertions.*;

@SpringBootTest
@Transactional
class QuerydslApplicationTests {

	@Autowired
	EntityManager em;

	@Test
	void contextLoads() {
		Hello hello = new Hello();
		em.persist(hello);

		JPAQueryFactory query = new JPAQueryFactory(em);
		QHello qHello = QHello.hello;

		Hello result = query
				.selectFrom(qHello)
				.fetchOne();

		assertThat(result).isEqualTo(hello);
		assertThat(result.getId()).isEqualTo(hello.getId());

	}
}

 

build 하는법

gradle

clean - build