我在Hibernate的Internet上看到了一些transaction.commit()用于select语句的示例。下面是示例代码。

public static List<?> list(Class<?> className,int start,int limit,SearchFilter[] searchFilter){
    Session session = HibernateUtil.getSessionFactory().openSession();
    Transaction transaction = null;

    try {
        transaction = session.beginTransaction();

        Criteria criteria = session.createCriteria(className);
        criteria.setFirstResult(start);
        criteria.setMaxResults(limit);

        for(SearchFilter sf : searchFilter){
            String[] values = sf.getValue();
            if(values != null){
                if(values.length == 1) {
                    criteria.add(Restrictions.eq(sf.getField(), values[0]));
                }else{
                    criteria.add(Restrictions.in(sf.getField(), values));
                }
            }
        }

        List<?> Objects = criteria.list();
        transaction.commit();

        return Objects;
    }catch (Exception e) {
        transaction.rollback();
        e.printStackTrace();
    }finally{
        session.close();
    }

    return null;
}

为什么我们要为select语句开始并提交事务？