spring boot bean生命周期

 

@Component
public class BussinessPerson implements Person, BeanNameAware, BeanFactoryAware,
        ApplicationContextAware, InitializingBean, DisposableBean {

    private Animal animal = null;

    @Override
    public void service() {
        this.animal.use();
    }

    @Override
    @Autowired
    @Qualifier("dog")
    public void setAnimal(Animal animal) {
        System.out.println("setAnimal  ");
        this.animal = animal;
    }

    @Override
    public void setBeanName(String s) {
        System.out.println(this.getClass().getSimpleName()+":setBeanName");
    }

    @Override
    public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
        System.out.println(this.getClass().getSimpleName()+":setBeanFactory");
    }

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        System.out.println(this.getClass().getSimpleName()+":setApplicationContext");
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        System.out.println(this.getClass().getSimpleName()+":afterPropertiesSet");
    }

    @PostConstruct
    public void init() {
        System.out.println(this.getClass().getSimpleName()+":PostConstruct");
    }

    @PreDestroy
    public void destroy1() throws Exception {
        System.out.println(this.getClass().getSimpleName()+":PreDestroy");
    }

    @Override
    public void destroy() throws Exception {
        System.out.println(this.getClass().getSimpleName()+":destory");
    }
}

@Component
public class BeanPostProcessorExample implements BeanPostProcessor {
    @Nullable
    @Override
    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
        System.out.println("postProcessBeforeInitialization"+bean.getClass().getSimpleName()+":"+beanName);
        return bean;
    }

    @Nullable
    @Override
    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
        System.out.println("postProcessAfterInitialization"+bean.getClass().getSimpleName()+":"+beanName);
        return bean;
    }
}

setAnimal  
BussinessPerson:setBeanName
BussinessPerson:setBeanFactory
BussinessPerson:setApplicationContext
postProcessBeforeInitializationBussinessPerson:bussinessPerson
BussinessPerson:PostConstruct
BussinessPerson:afterPropertiesSet
postProcessAfterInitializationBussinessPerson:bussinessPerson

BussinessPerson:PreDestroy
BussinessPerson:destory