Spring Hibernate SessionFactory [英] Spring Hibernate SessionFactory

问题描述

  @Bean 
 public SessionFactory sessionFactory（）{ 
 AnnotationSessionFactoryBean sessionFactoryBean = new AnnotationSessionFactoryBean（）; 
 sessionFactoryBean.setConfigLocation（new ClassPathResource（hibernate.cfg.xml））; 
 return sessionFactoryBean.getObject（）; 
} 
  

由于某种原因，这不起作用......它总是返回空值。 p>

解决方案

值得注意的是，Spring 3.1引入了LocalSessionFactoryBuilder，它明确地用于在@Bean方法中使用。 b

http://static.springsource.org/spring/docs/3.1.0.RC1/javadoc-api/org/springframework/orm/hibernate4/LocalSessionFactoryBuilder.html

这解决了处理FactoryBeans，getObject（）方法等尴尬的需求。FactoryBeans非常适合用于XML，但在@Bean方法中非常理想。

请注意，这个新的构建器只有Hibernate 4.1+。

How do you create a SessionFactory using the java config?

@Bean
public SessionFactory sessionFactory(){
    AnnotationSessionFactoryBean sessionFactoryBean = new AnnotationSessionFactoryBean();
    sessionFactoryBean.setConfigLocation(new ClassPathResource("hibernate.cfg.xml"));
    return sessionFactoryBean.getObject();
}

This doesnt work for some reason...it always returns null.

解决方案

Worth noting here that Spring 3.1 introduces LocalSessionFactoryBuilder, which is expressly designed for use within @Bean methods.

http://static.springsource.org/spring/docs/3.1.0.RC1/javadoc-api/org/springframework/orm/hibernate4/LocalSessionFactoryBuilder.html

This gets around the awkward need to deal with FactoryBeans, getObject() methods, etc. FactoryBeans are excellent for use in XML, but non-ideal in @Bean methods.

Note that this new builder is Hibernate 4.1+ only.

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