com.couchbase.client.core.event

Class DefaultEventBus

java.lang.Object

com.couchbase.client.core.event.DefaultEventBus

All Implemented Interfaces:

EventBus

public class DefaultEventBus
extends Object
implements EventBus

The default event bus implementation.

Since:

1.1.0

Author:

Michael Nitschinger

Constructor Summary

Constructors

Constructor and Description
DefaultEventBus(Scheduler scheduler)

Method Summary

Modifier and Type	Method and Description
Observable<CouchbaseEvent>	get() Subscribe to the event bus to retrieve CouchbaseEvents.
boolean	hasSubscribers() Checks if the event bus has subscribers.
void	publish(CouchbaseEvent event) Publish a CouchbaseEvent into the bus.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultEventBus

public DefaultEventBus(Scheduler scheduler)

Method Detail

get

public Observable<CouchbaseEvent> get()

Description copied from interface: EventBus

Subscribe to the event bus to retrieve CouchbaseEvents.

Specified by:

get in interface EventBus

Returns:

the observable where the events are emitted into.

publish

public void publish(CouchbaseEvent event)

Description copied from interface: EventBus

Publish a CouchbaseEvent into the bus.

Specified by:

publish in interface EventBus

Parameters:

event - the event to publish.

hasSubscribers

public boolean hasSubscribers()

Description copied from interface: EventBus

Checks if the event bus has subscribers.

This method can be utilized on the publisher side to avoid complex event creation when there is no one on the other side listening and the event would be discarded immediately afterwards.

Specified by:

hasSubscribers in interface EventBus

Returns:

true if it has subscribers, false otherwise.