org.springframework.context.event

Interface SmartApplicationListener

All Superinterfaces:

ApplicationListener<ApplicationEvent>, EventListener, Ordered

All Known Implementing Classes:

DefaultSimpUserRegistry, GenericApplicationListenerAdapter, MultiServerUserRegistry, SourceFilteringListener

public interface SmartApplicationListener
extends ApplicationListener<ApplicationEvent>, Ordered

Extended variant of the standard ApplicationListener interface, exposing further metadata such as the supported event and source type.

For full introspection of generic event types, consider implementing the GenericApplicationListener interface instead.

Since:

3.0

Author:

Juergen Hoeller

See Also:

GenericApplicationListener, GenericApplicationListenerAdapter

Field Summary

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Method Summary

Modifier and Type	Method and Description
boolean	supportsEventType(Class<? extends ApplicationEvent> eventType) Determine whether this listener actually supports the given event type.
boolean	supportsSourceType(Class<?> sourceType) Determine whether this listener actually supports the given source type.

Methods inherited from interface org.springframework.context.ApplicationListener

onApplicationEvent

Methods inherited from interface org.springframework.core.Ordered

getOrder

Method Detail

supportsEventType

boolean supportsEventType(Class<? extends ApplicationEvent> eventType)

Determine whether this listener actually supports the given event type.

Parameters:

eventType - the event type (never null)

supportsSourceType

boolean supportsSourceType(@Nullable
                           Class<?> sourceType)

Determine whether this listener actually supports the given source type.

Parameters:

sourceType - the source type, or null if no source