feat: Add QueryDSL dependencies and configuration class (#55)

BE/airbnb/build.gradle

@@ -1,6 +1,7 @@
 plugins {
  id 'org.springframework.boot' version '2.4.5'
  id 'io.spring.dependency-management' version '1.0.11.RELEASE'
+ id "com.ewerk.gradle.plugins.querydsl" version "1.0.10"
  id 'java'
 }
 
@@ -14,6 +15,8 @@ repositories {
 
 dependencies {
  implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+ implementation 'com.querydsl:querydsl-jpa'
+ implementation 'org.springframework.boot:spring-boot-starter-validation'
  implementation 'org.springframework.boot:spring-boot-starter-data-jdbc'
  implementation 'org.springframework.boot:spring-boot-starter-web'
  compileOnly 'org.projectlombok:lombok'
@@ -25,3 +28,20 @@ dependencies {
 test {
  useJUnitPlatform()
 }
+
+def querydslDir = "$buildDir/generated/querydsl"
+
+querydsl {
+ jpa = true
+ querydslSourcesDir = querydslDir
+}
+sourceSets {
+ main.java.srcDir querydslDir
+}
+configurations {
+ querydsl.extendsFrom compileClasspath
+}
+
+compileQuerydsl {
+ options.annotationProcessorPath = configurations.querydsl
+}

BE/airbnb/src/main/java/airbnb/config/QueryDSLConfig.java

@@ -0,0 +1,19 @@
+package airbnb.config;
+
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+@Configuration
+public class QueryDSLConfig {
+ @PersistenceContext
+ private EntityManager entityManager;
+
+ @Bean
+ public JPAQueryFactory jpaQueryFactory() {
+ return new JPAQueryFactory(entityManager);
+ }
+}