Package org.openhab.core.events

Interface EventFilter

All Known Implementing Classes:

TopicEventFilter, TopicGlobEventFilter, TopicPrefixEventFilter

@NonNullByDefault
public interface EventFilter

An EventFilter can be provided by an EventSubscriber in order to receive specific Events by an EventPublisher if the filter applies.

Author:

Stefan Bußweiler - Initial contribution

Method Summary

Modifier and Type	Method	Description
boolean	apply(Event event)	Apply the filter on an event.

Method Details

apply

boolean apply(Event event)

Apply the filter on an event.

This method is called for each subscribed Event of an EventSubscriber. If the filter applies, the event will be dispatched to the EventSubscriber.receive(Event) method.

Parameters:

event - the event (not null)

Returns:

true if the filter criterion applies