org.springframework.cloud.stream.binding

Class StreamListenerAnnotationBeanPostProcessor

java.lang.Object

org.springframework.cloud.stream.binding.StreamListenerAnnotationBeanPostProcessor

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.config.BeanPostProcessor, org.springframework.beans.factory.InitializingBean, org.springframework.beans.factory.SmartInitializingSingleton, org.springframework.context.ApplicationContextAware

public class StreamListenerAnnotationBeanPostProcessor
extends Object
implements org.springframework.beans.factory.config.BeanPostProcessor, org.springframework.context.ApplicationContextAware, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.SmartInitializingSingleton, org.springframework.beans.factory.InitializingBean

BeanPostProcessor that handles StreamListener annotations found on bean methods.

Author:

Marius Bogoevici, Ilayaperumal Gopinathan

Constructor Summary

Constructors

Constructor and Description
StreamListenerAnnotationBeanPostProcessor()

Method Summary

Modifier and Type	Method and Description
void	afterPropertiesSet()
void	afterSingletonsInstantiated()
Object	postProcessAfterInitialization(Object bean, String beanName)
protected StreamListener	postProcessAnnotation(StreamListener originalAnnotation, Method annotatedMethod) Extension point, allowing subclasses to customize the StreamListener annotation detected by the postprocessor.
Object	postProcessBeforeInitialization(Object bean, String beanName)
protected void	registerHandlerMethodOnListenedChannel(Method method, StreamListener streamListener, Object bean)
void	setApplicationContext(org.springframework.context.ApplicationContext applicationContext)
void	setBeanFactory(org.springframework.beans.factory.BeanFactory beanFactory)

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamListenerAnnotationBeanPostProcessor

public StreamListenerAnnotationBeanPostProcessor()

Method Detail

setApplicationContext

public final void setApplicationContext(org.springframework.context.ApplicationContext applicationContext)
                                 throws org.springframework.beans.BeansException

Specified by:

setApplicationContext in interface org.springframework.context.ApplicationContextAware

Throws:

org.springframework.beans.BeansException

setBeanFactory

public void setBeanFactory(org.springframework.beans.factory.BeanFactory beanFactory)
                    throws org.springframework.beans.BeansException

Specified by:

setBeanFactory in interface org.springframework.beans.factory.BeanFactoryAware

Throws:

org.springframework.beans.BeansException

afterPropertiesSet

public void afterPropertiesSet()
                        throws Exception

Specified by:

afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean

Throws:

Exception

postProcessBeforeInitialization

public final Object postProcessBeforeInitialization(Object bean,
                                                    String beanName)
                                             throws org.springframework.beans.BeansException

Specified by:

postProcessBeforeInitialization in interface org.springframework.beans.factory.config.BeanPostProcessor

Throws:

org.springframework.beans.BeansException

postProcessAfterInitialization

public final Object postProcessAfterInitialization(Object bean,
                                                   String beanName)
                                            throws org.springframework.beans.BeansException

Specified by:

postProcessAfterInitialization in interface org.springframework.beans.factory.config.BeanPostProcessor

Throws:

org.springframework.beans.BeansException

postProcessAnnotation

protected StreamListener postProcessAnnotation(StreamListener originalAnnotation,
                                               Method annotatedMethod)

Extension point, allowing subclasses to customize the StreamListener annotation detected by the postprocessor.

Parameters:

originalAnnotation - the original annotation

annotatedMethod - the method on which the annotation has been found

Returns:

the postprocessed StreamListener annotation

registerHandlerMethodOnListenedChannel

protected final void registerHandlerMethodOnListenedChannel(Method method,
                                                            StreamListener streamListener,
                                                            Object bean)

afterSingletonsInstantiated

public final void afterSingletonsInstantiated()

Specified by:

afterSingletonsInstantiated in interface org.springframework.beans.factory.SmartInitializingSingleton