config[db]: 다중 DB 설정

Author: yongho9064

backend/src/main/java/com/ai/lawyer/global/config/DataDBConfig.java

@@ -0,0 +1,79 @@
+package com.ai.lawyer.global.config;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.jdbc.DataSourceBuilder;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+import org.springframework.orm.jpa.JpaTransactionManager;
+import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
+import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
+import org.springframework.transaction.PlatformTransactionManager;
+
+import javax.sql.DataSource;
+import java.util.HashMap;
+
+@Configuration
+@EnableJpaRepositories(
+        basePackages = "com.ai.lawyer.domain.*",
+        entityManagerFactoryRef = "dataEntityManager",
+        transactionManagerRef = "dataTransactionManager"
+)
+public class DataDBConfig {
+
+    @Value("${spring.datasource.url}")
+    private String url;
+    @Value("${spring.datasource.username}")
+    private String username;
+    @Value("${spring.datasource.password}")
+    private String password;
+    @Value("${spring.datasource.driver-class-name}")
+    private String driver;
+
+    @Bean
+    @Primary
+    public DataSource dataDBSource() {
+       return DataSourceBuilder.create()
+                .url(url)
+                .username(username)
+                .password(password)
+                .driverClassName(driver)
+                .build();
+    }
+
+    @Bean
+    @Primary
+    public LocalContainerEntityManagerFactoryBean dataEntityManager() {
+
+        LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
+
+        em.setDataSource(dataDBSource());
+        em.setPackagesToScan(new String[]{"com.ai.lawyer.domain.*"});
+        em.setJpaVendorAdapter(new HibernateJpaVendorAdapter());
+
+        HashMap<String, Object> properties = new HashMap<>();
+        properties.put("hibernate.hbm2ddl.auto", "update");
+        properties.put("hibernate.show_sql", "true");
+        properties.put(
+                "hibernate.physical_naming_strategy",
+                "org.hibernate.boot.model.naming.CamelCaseToUnderscoresNamingStrategy"
+        );
+
+        em.setJpaPropertyMap(properties);
+
+        return em;
+    }
+
+    @Bean
+    @Primary
+    public PlatformTransactionManager dataTransactionManager() {
+
+        JpaTransactionManager transactionManager = new JpaTransactionManager();
+
+        transactionManager.setEntityManagerFactory(dataEntityManager().getObject());
+
+        return transactionManager;
+    }
+
+}

backend/src/main/java/com/ai/lawyer/global/config/MetaDBConfig.java

@@ -0,0 +1,21 @@
+package com.ai.lawyer.global.config;
+
+import org.springframework.boot.autoconfigure.batch.BatchDataSource;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.jdbc.DataSourceBuilder;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import javax.sql.DataSource;
+
+@Configuration
+public class MetaDBConfig {
+
+    @Bean
+    @BatchDataSource
+    @ConfigurationProperties(prefix = "spring.datasource-meta")
+    public DataSource metaDBSource() {
+        return DataSourceBuilder.create().build();
+    }
+
+}