master/src/main/java/com/daeucna/board/config/DataSourceConfig.java

package com.daeucna.board.config;
 
import javax.sql.DataSource;

import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.ComponentScan.Filter;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.FilterType;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.TransactionManagementConfigurer;

import com.zaxxer.hikari.HikariDataSource;
 
@ComponentScan(
	basePackages = "com.daeucna", 
	useDefaultFilters = false,
	includeFilters = {
	    @Filter(
	        type = FilterType.REGEX,
	        pattern = {".*Service.*"}
	    )
	}
)

@Configuration
public class DataSourceConfig implements TransactionManagementConfigurer {
  
    @Bean
    @ConfigurationProperties(prefix = "spring.datasource.hikari")
    public DataSource dataSource() {
        return DataSourceBuilder.create()
                                .type(HikariDataSource.class)
                                .build();
    }
 
    @Bean
    public SqlSessionFactory sqlSessionFactory(DataSource dataSource, ApplicationContext applicationContext) throws Exception {
        
        SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
        sessionFactory.setDataSource(dataSource);
        sessionFactory.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath:mapper/**/*.xml"));
        
        return sessionFactory.getObject();
    }
 
    @Bean
    public SqlSessionTemplate sqlSession(SqlSessionFactory sqlSessionFactory) throws Exception {
        return new SqlSessionTemplate(sqlSessionFactory);
    }
    
    @Bean
    public PlatformTransactionManager transactionManager() {
        return new DataSourceTransactionManager(dataSource());
    }
    
    @Override
    public PlatformTransactionManager annotationDrivenTransactionManager() {
        return transactionManager();
    }
}