spring bean lifecycle

最新推荐文章于 2024-06-03 22:34:34 发布

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最新推荐文章于 2024-06-03 22:34:34 发布

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文章标签： bean lifecycle

本文链接：https://blog.youkuaiyun.com/u013219624/article/details/86751679

本文深入解析了Spring框架中Bean的整个生命周期，从构造方法到初始化，再到销毁阶段，包括构造函数、setBeanName、setBeanFactory、setApplicationContext、@PostConstruct、afterPropertiesSet、自定义initMethod、postProcessAfterInitialization、@PreDestroy、destroy、自定义destroyMethod等关键方法的调用顺序及作用。

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public class AnnotationComponentBean implements InitializingBean, DisposableBean, ApplicationContextAware,BeanFactoryAware, BeanNameAware {...}

AnnotationComponentBean construct method (构造方法)
AnnotationComponentBean(BeanNameAware) setBeanName method (BeanNameAware设置BeanName)
AnnotationComponentBean(BeanFactoryAware) setBeanFactory method (BeanFactoryAware设置beanFactory)


AnnotationComponentBean(ApplicationContextAware) setApplicationContext method (ApplicationContextAware设置applicationContext)
CustomBeanPostProcessor(BeanPostProcessor) postProcessBeforeInitialization method.
AnnotationComponentBean postConstruct method (@PostConstruct注解 postConstruct)
AnnotationComponentBean(InitializingBean) afterPropertiesSet method (InitializingBean的afterPropertiesSet)
AnnotationComponentBean custom initMethod (自定义initMethod)
AnnotationComponentBean(BeanPostProcessor) postProcessAfterInitialization method.

bean准备就绪

AnnotationComponentBean preDestroy method (@PreDestroy preDestroy)
AnnotationComponentBean(DisposableBean) destroy method (DisposableBean destroy)
AnnotationComponentBean custom destroyMethod (自定义destroyMethod)