Class GenericApplicationListenerAdapter
java.lang.Object
org.springframework.context.event.GenericApplicationListenerAdapter
- All Implemented Interfaces:
EventListener,ApplicationListener<ApplicationEvent>,GenericApplicationListener,SmartApplicationListener,Ordered
GenericApplicationListener adapter that determines supported event types
through introspecting the generically declared type of the target listener.- Since:
- 3.0
- Author:
- Juergen Hoeller, Stephane Nicoll
- See Also:
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Field Summary
Fields inherited from interface org.springframework.core.Ordered
HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE -
Constructor Summary
ConstructorsConstructorDescriptionGenericApplicationListenerAdapter(ApplicationListener<?> delegate) Create a new GenericApplicationListener for the given delegate. -
Method Summary
Modifier and TypeMethodDescriptionReturn an optional identifier for the listener.intgetOrder()Determine this listener's order in a set of listeners for the same event.voidHandle an application event.booleansupportsEventType(ResolvableType eventType) Determine whether this listener actually supports the given event type.booleansupportsSourceType(Class<?> sourceType) Determine whether this listener actually supports the given source type.Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.springframework.context.event.GenericApplicationListener
supportsEventType
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Constructor Details
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GenericApplicationListenerAdapter
Create a new GenericApplicationListener for the given delegate.- Parameters:
delegate- the delegate listener to be invoked
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Method Details
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onApplicationEvent
Description copied from interface:ApplicationListenerHandle an application event.- Specified by:
onApplicationEventin interfaceApplicationListener<ApplicationEvent>- Parameters:
event- the event to respond to
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supportsEventType
Description copied from interface:GenericApplicationListenerDetermine whether this listener actually supports the given event type.- Specified by:
supportsEventTypein interfaceGenericApplicationListener- Parameters:
eventType- the event type (nevernull)
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supportsSourceType
Description copied from interface:SmartApplicationListenerDetermine whether this listener actually supports the given source type.The default implementation always returns
true.- Specified by:
supportsSourceTypein interfaceSmartApplicationListener- Parameters:
sourceType- the source type, ornullif no source
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getOrder
public int getOrder()Description copied from interface:SmartApplicationListenerDetermine this listener's order in a set of listeners for the same event.The default implementation returns
Ordered.LOWEST_PRECEDENCE.- Specified by:
getOrderin interfaceOrdered- Specified by:
getOrderin interfaceSmartApplicationListener- Returns:
- the order value
- See Also:
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getListenerId
Description copied from interface:SmartApplicationListenerReturn an optional identifier for the listener.The default value is an empty String.
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