feat: QueryDsl 의존성 추가 (#28)

* build(query-dsl): QueryDsl 의존성 추가

* chore: QueryDsl Q클래스 .gitignore 추가

* feat: QueryDsl Config 추가

* feat: location 도메인 queryDsl 적용

* chore: 불필요한 import 제거

* chore: 개행 추가

Author: leebs0521

.gitignore

@@ -36,6 +36,8 @@ out/
 ### VS Code ###
 .vscode/
 
+### resources
+/src/main/generated/
 
 ### env file ###
-*.env
+*.env

build.gradle

@@ -37,6 +37,12 @@ dependencies {
     runtimeOnly 'com.h2database:h2'
     runtimeOnly 'com.mysql:mysql-connector-j'
 
+    // Querydsl
+    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"
+
     // OAuth & Security
     implementation 'org.springframework.boot:spring-boot-starter-oauth2-authorization-server'
     implementation 'org.springframework.boot:spring-boot-starter-oauth2-client'
@@ -62,6 +68,24 @@ dependencies {
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 }
 
+// Querydsl 설정
+def generated = 'src/main/generated'
+
+// QClass 파일 생성 위치를 지정
+tasks.withType(JavaCompile).configureEach {
+    options.getGeneratedSourceOutputDirectory().set(file(generated))
+}
+
+// java source set 에 querydsl QClass 위치 추가
+sourceSets {
+    main.java.srcDirs += [ generated ]
+}
+
+// gradle clean 시에 QClass 디렉토리 삭제
+clean {
+    delete file(generated)
+}
+
 tasks.named('test') {
     useJUnitPlatform()
     jvmArgs("-XX:+EnableDynamicAgentLoading")

src/main/java/com/somemore/global/configure/QueryDslConfig.java

@@ -0,0 +1,20 @@
+package com.somemore.global.configure;
+
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.PersistenceContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class QueryDslConfig {
+
+    @PersistenceContext
+    private EntityManager em;
+
+    @Bean
+    public JPAQueryFactory jpaQueryFactory() {
+        return new JPAQueryFactory(em);
+    }
+
+}

src/main/java/com/somemore/location/repository/LocationJpaRepository.java

@@ -0,0 +1,8 @@
+package com.somemore.location.repository;
+
+import com.somemore.location.domain.Location;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface LocationJpaRepository extends JpaRepository<Location, Long> {
+
+}

src/main/java/com/somemore/location/repository/LocationRepository.java

@@ -1,8 +1,13 @@
 package com.somemore.location.repository;
 
 import com.somemore.location.domain.Location;
-import org.springframework.data.jpa.repository.JpaRepository;
+import java.util.Optional;
 
-public interface LocationRepository extends JpaRepository<Location, Long> {
+public interface LocationRepository {
 
+    Location save(Location location);
+
+    Optional<Location> findById(Long id);
+
+    void deleteAllInBatch();
 }

src/main/java/com/somemore/location/repository/LocationRepositoryImpl.java

@@ -0,0 +1,30 @@
+package com.somemore.location.repository;
+
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import com.somemore.location.domain.Location;
+import java.util.Optional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+@RequiredArgsConstructor
+@Repository
+public class LocationRepositoryImpl implements LocationRepository {
+
+    private final LocationJpaRepository locationJpaRepository;
+    private final JPAQueryFactory queryFactory;
+
+    @Override
+    public Location save(Location location) {
+        return locationJpaRepository.save(location);
+    }
+
+    @Override
+    public Optional<Location> findById(Long id) {
+        return locationJpaRepository.findById(id);
+    }
+
+    @Override
+    public void deleteAllInBatch() {
+        locationJpaRepository.deleteAllInBatch();
+    }
+}