com.alibaba.nacos.spring.context.event

Class AnnotationListenerMethodProcessor<A extends Annotation>

java.lang.Object

com.alibaba.nacos.spring.context.event.AnnotationListenerMethodProcessor<A>

All Implemented Interfaces:

EventListener, org.springframework.context.ApplicationListener<org.springframework.context.event.ContextRefreshedEvent>

Direct Known Subclasses:

NacosConfigListenerMethodProcessor

public abstract class AnnotationListenerMethodProcessor<A extends Annotation>
extends Object
implements org.springframework.context.ApplicationListener<org.springframework.context.event.ContextRefreshedEvent>

Listener method Processor

The target method must be

• public
• not static
• not abstract
• not native
• void

Since:

0.1.0

Author:

Mercy

See Also:

Method

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.commons.logging.Log	logger

Constructor Summary

Constructors

Constructor and Description
AnnotationListenerMethodProcessor()

Method Summary

Modifier and Type	Method and Description
protected boolean	isCandidateMethod(Object bean, Class<?> beanClass, A annotation, Method method, org.springframework.context.ApplicationContext applicationContext) Subclass could override this method to determine current method is candidate or not
void	onApplicationEvent(org.springframework.context.event.ContextRefreshedEvent event)
protected abstract void	processListenerMethod(String beanName, Object bean, Class<?> beanClass, A annotation, Method method, org.springframework.context.ApplicationContext applicationContext) Process Listener Method when isCandidateMethod(Object, Class, Annotation, Method, ApplicationContext) returns true

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

protected final org.apache.commons.logging.Log logger

Constructor Detail

AnnotationListenerMethodProcessor

public AnnotationListenerMethodProcessor()

Method Detail

onApplicationEvent

public final void onApplicationEvent(org.springframework.context.event.ContextRefreshedEvent event)

Specified by:

onApplicationEvent in interface org.springframework.context.ApplicationListener<org.springframework.context.event.ContextRefreshedEvent>

processListenerMethod

protected abstract void processListenerMethod(String beanName,
                                              Object bean,
                                              Class<?> beanClass,
                                              A annotation,
                                              Method method,
                                              org.springframework.context.ApplicationContext applicationContext)

Process Listener Method when isCandidateMethod(Object, Class, Annotation, Method, ApplicationContext) returns true

Parameters:

beanName - Bean name

bean - Bean object

beanClass - Bean Class

annotation - Annotation object

method - Method

applicationContext - ApplicationContext

isCandidateMethod

protected boolean isCandidateMethod(Object bean,
                                    Class<?> beanClass,
                                    A annotation,
                                    Method method,
                                    org.springframework.context.ApplicationContext applicationContext)

Subclass could override this method to determine current method is candidate or not

Parameters:

bean - Bean object

beanClass - Bean Class

annotation - Annotation object

method - Method

applicationContext - ApplicationContext

Returns:

true as default