Package org.springframework.modulith.events.support

Class PersistentApplicationEventMulticaster

java.lang.Object

org.springframework.context.event.AbstractApplicationEventMulticaster

org.springframework.modulith.events.support.PersistentApplicationEventMulticaster

All Implemented Interfaces:

Aware, BeanClassLoaderAware, BeanFactoryAware, SmartInitializingSingleton, ApplicationEventMulticaster

public class PersistentApplicationEventMulticaster
extends AbstractApplicationEventMulticaster
implements SmartInitializingSingleton

An ApplicationEventMulticaster to register EventPublications in an EventPublicationRegistry so that potentially failing transactional event listeners can get re-invoked upon application restart or via a schedule.

Republication is handled in afterSingletonsInstantiated() inspecting the EventPublicationRegistry for incomplete publications and

Author:

Oliver Drotbohm

See Also:

• CompletionRegisteringAdvisor

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	PersistentApplicationEventMulticaster.TransactionalEventListeners	First-class collection to work with transactional event listeners, i.e.

Constructor Summary

Constructors

Constructor	Description
PersistentApplicationEventMulticaster(Supplier<EventPublicationRegistry> registry)	Creates a new PersistentApplicationEventMulticaster for the given EventPublicationRegistry.

Method Summary

Modifier and Type	Method	Description
void	afterSingletonsInstantiated()
void	multicastEvent(ApplicationEvent event)
void	multicastEvent(ApplicationEvent event, ResolvableType eventType)
protected boolean	supportsEvent(ApplicationListener<?> listener, ResolvableType eventType, Class<?> sourceType)	Temporary workaround for an issue in Spring Framework that lets ApplicationListenerMethodAdapter match all generic events with unresolved generics.

Methods inherited from class org.springframework.context.event.AbstractApplicationEventMulticaster

addApplicationListener, addApplicationListenerBean, getApplicationListeners, getApplicationListeners, removeAllListeners, removeApplicationListener, removeApplicationListenerBean, removeApplicationListenerBeans, removeApplicationListeners, setBeanClassLoader, setBeanFactory, supportsEvent

Methods inherited from class java.lang.Object

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

Constructor Details

PersistentApplicationEventMulticaster

public PersistentApplicationEventMulticaster(Supplier<EventPublicationRegistry> registry)

Creates a new PersistentApplicationEventMulticaster for the given EventPublicationRegistry.

Parameters:

registry - must not be null.

Method Details

multicastEvent

public void multicastEvent(ApplicationEvent event)

Specified by:

multicastEvent in interface ApplicationEventMulticaster

multicastEvent

public void multicastEvent(ApplicationEvent event,
 ResolvableType eventType)

Specified by:

multicastEvent in interface ApplicationEventMulticaster

afterSingletonsInstantiated

public void afterSingletonsInstantiated()

Specified by:

afterSingletonsInstantiated in interface SmartInitializingSingleton

supportsEvent

protected boolean supportsEvent(ApplicationListener<?> listener,
 ResolvableType eventType,
 Class<?> sourceType)

Temporary workaround for an issue in Spring Framework that lets ApplicationListenerMethodAdapter match all generic events with unresolved generics.

Overrides:

supportsEvent in class AbstractApplicationEventMulticaster

See Also:

• https://github.com/spring-projects/spring-framework/issues/30399