org.vaadin.spring.events.annotation

Annotation Type EventBusListenerTopic

@Target(value=METHOD)
 @Retention(value=RUNTIME)
 @Documented
public @interface EventBusListenerTopic

Annotation to be placed on event bus listener methods, additional to the EventBusListenerMethod annotation. A topic is specified as string which will be defined when publishing an event. Each method annotated with this annotation and the corresponding topic will be called as listener. Topics can be filtered with implementations of the TopicFilter interface.

Author:

Marco Luthardt (marco.luthardt@iandme.net)

See Also:

EventBusListenerMethod, TopicFilter

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
Class<? extends TopicFilter>	filter The filter to be used to validate the published and listener topic.
String	topic A topic is a string which can be specified while publishing an event.

Element Detail

topic

public abstract String topic

A topic is a string which can be specified while publishing an event. The method will only called when the topic matches the given String in the published method.

Default:

""

filter

public abstract Class<? extends TopicFilter> filter

The filter to be used to validate the published and listener topic.

Returns:

an implementation of the TopicFilter interface.

Default:

org.vaadin.spring.events.ExactTopicFilter.class