.java

package com.tistory.jaimemin.multidatasourcemybatis.multitenancy.config;

import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.sql.DataSource;

@Configuration
public class MasterDatabaseConfig {

    @Bean
    @ConfigurationProperties("spring.datasource.master")
    public DataSourceProperties masterDataSourceProperties() {
        return new DataSourceProperties();
    }

    @Bean(name = "masterDataSource")
    public DataSource masterDataSource() {
        return masterDataSourceProperties()
                .initializeDataSourceBuilder()
                .build();
    }

    @Bean(name = "masterSqlSessionFactory")
    public SqlSessionFactory masterSessionFactoryBean(@Qualifier("masterDataSource") DataSource dataSource
            , ApplicationContext applicationContext) throws Exception {
        SqlSessionFactoryBean factoryBean = new SqlSessionFactoryBean();
        factoryBean.setDataSource(dataSource);
        factoryBean.setConfigLocation(applicationContext.getResource("classpath:mybatis/mybatis-config.xml"));
        factoryBean.setMapperLocations(applicationContext.getResources("classpath*:mapper/master/*.xml"));

        return factoryBean.getObject();
    }

    @Bean(name = "masterSqlSession")
    public SqlSession masterSqlSession(@Qualifier("masterSqlSessionFactory") SqlSessionFactory sqlSessionFactory) {
        return new SqlSessionTemplate(sqlSessionFactory);
    }
}