#32 multi module: db setting

multimodule/module-api/demo.http

@@ -1,2 +1,5 @@
 ###
-GET http://localhost:8080/save
+GET http://localhost:8080/save
+
+###
+GET http://localhost:8080/find

multimodule/module-api/src/main/java/com/example/moduleapi/ModuleApiApplication.java

@@ -2,6 +2,8 @@ package com.example.moduleapi;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.domain.EntityScan;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 
 @SpringBootApplication(
         scanBasePackages = {
@@ -9,6 +11,8 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
                 "com.example.modulecommon"
         }
 )
+@EntityScan("com.example.modulecommon.domain")
+@EnableJpaRepositories(basePackages = "com.example.modulecommon.repository")
 public class ModuleApiApplication {
 
     public static void main(String[] args) {

multimodule/module-api/src/main/java/com/example/moduleapi/response/CommonResponse.java

@@ -2,11 +2,15 @@ package com.example.moduleapi.response;
 
 import com.example.modulecommon.enums.CodeEnum;
 import com.fasterxml.jackson.annotation.JsonInclude;
+import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 
 @Getter
 @Builder
+@NoArgsConstructor
+@AllArgsConstructor
 @JsonInclude(JsonInclude.Include.NON_NULL)
 public class CommonResponse<T> {
 

multimodule/module-api/src/main/java/com/example/moduleapi/service/DemoService.java

@@ -1,7 +1,9 @@
 package com.example.moduleapi.service;
 
 import com.example.moduleapi.exception.CustomException;
+import com.example.modulecommon.domain.Member;
 import com.example.modulecommon.enums.CodeEnum;
+import com.example.modulecommon.repository.MemberRepository;
 import com.example.modulecommon.sevice.CommonDemoService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
@@ -11,14 +13,22 @@ import org.springframework.stereotype.Service;
 public class DemoService {
 
     private final CommonDemoService commonDemoService;
+    private final MemberRepository memberRepository;
 
     public String save() {
+        memberRepository.save(
+                Member.builder()
+                        .name("name")
+                        .build()
+        );
         System.out.println(CodeEnum.SUCCESS.getCode());
         System.out.println(commonDemoService.commonService());
         return "save";
     }
 
     public String find() {
+        int size = memberRepository.findAll().size();
+        System.out.println("DB size : " + size);
         return "find";
     }
 

multimodule/module-api/src/main/resources/application.yml

@@ -1 +1,21 @@
+spring:
+  main:
+    allow-bean-definition-overriding: true
 
+  datasource:
+    url: jdbc:h2:mem:~/testdb
+    username: sa
+    password:
+    driver-class-name: org.h2.Driver
+
+  jpa:
+    database-platform: org.hibernate.dialect.H2Dialect
+    hibernate:
+      ddl-auto: create
+    properties:
+      hibernate:
+        show_sql: true
+        format_sql: true
+        use_sql_comments: true
+        jdbc:
+          time_zone: Asia/Seoul

multimodule/module-common/build.gradle

@@ -2,6 +2,7 @@ plugins {
     id 'java'
     id 'org.springframework.boot' version '2.7.8'
     id 'io.spring.dependency-management' version '1.0.15.RELEASE'
+    id 'java-library'
 }
 
 group = 'com.example'
@@ -14,6 +15,10 @@ repositories {
 
 dependencies {
     implementation 'org.springframework.boot:spring-boot-starter'
+
+    api 'org.springframework.boot:spring-boot-starter-data-jpa'
+    runtimeOnly 'com.h2database:h2'
+
     compileOnly 'org.projectlombok:lombok'
     annotationProcessor 'org.projectlombok:lombok'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'

multimodule/module-common/src/main/java/com/example/modulecommon/domain/Member.java

@@ -0,0 +1,24 @@
+package com.example.modulecommon.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Getter
+@Builder
+@Entity
+@NoArgsConstructor
+@AllArgsConstructor
+public class Member {
+
+    @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String name;
+}

multimodule/module-common/src/main/java/com/example/modulecommon/repository/MemberRepository.java

@@ -0,0 +1,7 @@
+package com.example.modulecommon.repository;
+
+import com.example.modulecommon.domain.Member;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface MemberRepository extends JpaRepository<Member, Long> {
+}