software.amazon.jdbc.util.events

Interface EventPublisher

All Known Implementing Classes:

BatchingEventPublisher

public interface EventPublisher

An event publisher that publishes events to subscribers. Subscribers can specify which types of events they would like to receive.

Method Summary

Modifier and Type	Method and Description
void	publish(Event event) Publishes an event.
void	subscribe(EventSubscriber subscriber, java.util.Set<java.lang.Class<? extends Event>> eventClasses) Registers the given subscriber for the given event classes.
void	unsubscribe(EventSubscriber subscriber, java.util.Set<java.lang.Class<? extends Event>> eventClasses) Unsubscribes the given subscriber from the given event classes.

Method Detail

subscribe

void subscribe(EventSubscriber subscriber,
               java.util.Set<java.lang.Class<? extends Event>> eventClasses)

Registers the given subscriber for the given event classes.

Parameters:

subscriber - the subscriber to be notified when the given event classes occur.

eventClasses - the classes of events that the subscriber should be notified of.

unsubscribe

void unsubscribe(EventSubscriber subscriber,
                 java.util.Set<java.lang.Class<? extends Event>> eventClasses)

Unsubscribes the given subscriber from the given event classes.

Parameters:

subscriber - the subscriber to unsubscribe from the given event classes.

eventClasses - the classes of events that the subscriber wants to unsubscribe from.

publish

void publish(Event event)

Publishes an event. All subscribers to the given event class will be notified of the event.

Parameters:

event - the event to publish.