public class GenericApplicationListenerAdapter extends Object implements GenericApplicationListener, SmartApplicationListener
GenericApplicationListener
adapter that determines supported event types
through introspecting the generically declared type of the target listener.ApplicationListener.onApplicationEvent(E)
HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE
Constructor and Description |
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GenericApplicationListenerAdapter(ApplicationListener<?> delegate)
Create a new GenericApplicationListener for the given delegate.
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Modifier and Type | Method and Description |
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int |
getOrder()
Get the order value of this object.
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void |
onApplicationEvent(ApplicationEvent event)
Handle an application event.
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boolean |
supportsEventType(Class<? extends ApplicationEvent> eventType)
Determine whether this listener actually supports the given event type.
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boolean |
supportsEventType(ResolvableType eventType)
Determine whether this listener actually supports the given event type.
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boolean |
supportsSourceType(Class<?> sourceType)
Determine whether this listener actually supports the given source type.
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public GenericApplicationListenerAdapter(ApplicationListener<?> delegate)
delegate
- the delegate listener to be invokedpublic void onApplicationEvent(ApplicationEvent event)
ApplicationListener
onApplicationEvent
in interface ApplicationListener<ApplicationEvent>
event
- the event to respond topublic boolean supportsEventType(ResolvableType eventType)
GenericApplicationListener
supportsEventType
in interface GenericApplicationListener
eventType
- the event type (never null
)public boolean supportsEventType(Class<? extends ApplicationEvent> eventType)
SmartApplicationListener
supportsEventType
in interface SmartApplicationListener
eventType
- the event type (never null
)public boolean supportsSourceType(Class<?> sourceType)
GenericApplicationListener
supportsSourceType
in interface GenericApplicationListener
supportsSourceType
in interface SmartApplicationListener
sourceType
- the source type, or null
if no sourcepublic int getOrder()
Ordered
Higher values are interpreted as lower priority. As a consequence,
the object with the lowest value has the highest priority (somewhat
analogous to Servlet load-on-startup
values).
Same order values will result in arbitrary sort positions for the affected objects.
getOrder
in interface Ordered
Ordered.HIGHEST_PRECEDENCE
,
Ordered.LOWEST_PRECEDENCE