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- package cn.sagacloud.mybatis;
- import java.io.IOException;
- import java.io.InputStream;
- import org.apache.ibatis.io.Resources;
- import org.apache.ibatis.session.SqlSession;
- import org.apache.ibatis.session.SqlSessionFactory;
- import org.apache.ibatis.session.SqlSessionFactoryBuilder;
- public class MyBatisSqlSessionFactory {
- private MyBatisSqlSessionFactory(){}
- private static volatile SqlSessionFactory sqlSessionFactory = null;
- public static SqlSessionFactory getSqlSessionFactory(){
- if(sqlSessionFactory==null){
- InputStream inputStream;
- try {
- synchronized(MyBatisSqlSessionFactory.class) {
- if (sqlSessionFactory == null) {
- inputStream = Resources.getResourceAsStream("mybatis-config.xml");
- sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
- }
- }
- // sqlSessionFactory.getConfiguration().addMapper(UserMapper.class);
- // sqlSessionFactory.getConfiguration().addMapper(ManufacturerMapper.class);
- // sqlSessionFactory.getConfiguration().addMapper(BrandMapper.class);
- }
- catch(IOException e){
- System.out.println(e.getMessage());
- throw new RuntimeException(e.getCause());
- }
- }
- return sqlSessionFactory;
- }
- public static SqlSession openSession(){
- return getSqlSessionFactory().openSession();
- }
- }
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