设计模式
Bean Lifcycle
Multiple lifecycle mechanisms configured for the same bean, with different initialization methods, are called as follows:
- Methods annotated with @PostConstruct
- afterPropertiesSet() as defined by the InitializingBean callback interface
- A custom configured init() method
Destroy methods are called in the same order: - Methods annotated with @PreDestroy
- destroy() as defined by the DisposableBean callback interface
- A custom configured destroy() method
ContextLoaderListener
ClassPathXmlApplicationContext
AbstractXmlApplicationContext.loadBeanDefinitions
AbstractApplicationContext
AbstractBeanFactory getBean
