Enable Spring Jdbc Transaction with Annotation

Spring 3.1 introduced a new annotation @EnableTransactionManagement.  With it, all xml configuration can be got rid of now.  Here is the example on how to use it:

@Configuration
@EnableTransactionManagement
public class JdbcConfig {

    @Bean
    public DataSource dataSource() {
    //config datasource      
    }

    @Bean
    public PlatformTransactionManager txManager() {
        return new DataSourceTransactionManager(dataSource());
    }

    @Bean
    public MyDao myDao() {
        MyDaoJdbc dao = new MyDaoJdbc();
        dao.setDataSource(dataSource());
        return dao;
    }
}

Next you need to annote your dao with @Transactional.  The source code can be found at github:

https://github.com/zhentao/spring-jdbc-transaction-example