feat: JPA 프로젝트 환경 세팅

Author: Sehee-Lee-01

src/main/java/com/sehee/weeklyjpa/config/DataSourceConfig.java

@@ -0,0 +1,68 @@
+package com.sehee.weeklyjpa.config;
+
+import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
+import org.springframework.boot.autoconfigure.orm.jpa.JpaProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+import org.springframework.jdbc.datasource.DriverManagerDataSource;
+import org.springframework.orm.jpa.JpaTransactionManager;
+import org.springframework.orm.jpa.JpaVendorAdapter;
+import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
+import org.springframework.orm.jpa.vendor.AbstractJpaVendorAdapter;
+import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
+import org.springframework.transaction.PlatformTransactionManager;
+
+import javax.sql.DataSource;
+import java.util.Properties;
+
+@Configuration
+@EnableJpaRepositories("com.sehee.weeklyjpa.domain")
+public class DataSourceConfig {
+    @Bean
+    public DataSource dataSource(DataSourceProperties dataSourceProperties) {
+        DriverManagerDataSource dataSource = new DriverManagerDataSource();
+        dataSource.setDriverClassName(dataSourceProperties.determineDriverClassName());
+        dataSource.setUrl(dataSourceProperties.getUrl());
+        dataSource.setUsername(dataSourceProperties.getUsername());
+        dataSource.setPassword(dataSourceProperties.getPassword());
+
+        return dataSource;
+    }
+
+    @Bean
+    public JpaVendorAdapter jpaVendorAdapter(JpaProperties jpaProperties) {
+        AbstractJpaVendorAdapter adapter = new HibernateJpaVendorAdapter();
+        adapter.setShowSql(jpaProperties.isShowSql());
+        adapter.setDatabasePlatform(jpaProperties.getDatabasePlatform());
+        adapter.setGenerateDdl(jpaProperties.isGenerateDdl());
+
+        return adapter;
+    }
+
+    @Bean
+    public LocalContainerEntityManagerFactoryBean entityManagerFactory(
+            DataSource dataSource,
+            JpaVendorAdapter jpaVendorAdapter,
+            JpaProperties jpaProperties
+    ) {
+        LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
+        em.setDataSource(dataSource);
+        em.setPackagesToScan("com.sehee.weeklyjpa.domain");
+        em.setJpaVendorAdapter(jpaVendorAdapter);
+
+        Properties properties = new Properties();
+        properties.putAll(jpaProperties.getProperties());
+        em.setJpaProperties(properties);
+
+        return em;
+    }
+
+    @Bean
+    public PlatformTransactionManager transactionManager(LocalContainerEntityManagerFactoryBean entityManagerFactory) {
+        JpaTransactionManager transactionManager = new JpaTransactionManager();
+        transactionManager.setEntityManagerFactory(entityManagerFactory.getObject());
+
+        return transactionManager;
+    }
+}

src/main/resources/application.yaml

@@ -4,6 +4,7 @@ spring:
     url: jdbc:mysql://localhost:3308/weeklyjpa
     username: root
     password: root
+    driver-class-name: "com.mysql.cj.jdbc.Driver"
   jpa:
     open-in-view: false
     hibernate: