Package org.apache.pulsar.broker.service

Class TopicEventsDispatcher

java.lang.Object

org.apache.pulsar.broker.service.TopicEventsDispatcher

public class TopicEventsDispatcher
extends Object

Utility class to dispatch topic events.

Constructor Summary

Constructors

Constructor	Description
TopicEventsDispatcher()

Method Summary

Modifier and Type	Method	Description
void	addTopicEventListener(TopicEventsListener... listeners)	Adds listeners, ignores null listeners.
void	notify(String topic, TopicEventsListener.TopicEvent event, TopicEventsListener.EventStage stage)	Dispatches notification to all currently added listeners.
void	notify(String topic, TopicEventsListener.TopicEvent event, TopicEventsListener.EventStage stage, Throwable t)	Dispatches notification to all currently added listeners.
static void	notify(TopicEventsListener[] listeners, String topic, TopicEventsListener.TopicEvent event, TopicEventsListener.EventStage stage, Throwable t)	Dispatches notification to specified listeners.
<T> CompletableFuture<T>	notifyOnCompletion(CompletableFuture<T> future, String topic, TopicEventsListener.TopicEvent event)	Dispatches SUCCESS/FAILURE notification to all currently added listeners on completion of the future.
void	removeTopicEventListener(TopicEventsListener... listeners)	Removes listeners.

Methods inherited from class java.lang.Object

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

Constructor Details

TopicEventsDispatcher

public TopicEventsDispatcher()

Method Details

addTopicEventListener

public void addTopicEventListener(TopicEventsListener... listeners)

Adds listeners, ignores null listeners.

Parameters:

listeners -

removeTopicEventListener

public void removeTopicEventListener(TopicEventsListener... listeners)

Removes listeners.

Parameters:

listeners -

notify

public void notify(String topic,
 TopicEventsListener.TopicEvent event,
 TopicEventsListener.EventStage stage)

Dispatches notification to all currently added listeners.

Parameters:

topic -

event -

stage -

notify

public void notify(String topic,
 TopicEventsListener.TopicEvent event,
 TopicEventsListener.EventStage stage,
 Throwable t)

Dispatches notification to all currently added listeners.

Parameters:

topic -

event -

stage -

t -

notifyOnCompletion

public <T> CompletableFuture<T> notifyOnCompletion(CompletableFuture<T> future,
 String topic,
 TopicEventsListener.TopicEvent event)

Dispatches SUCCESS/FAILURE notification to all currently added listeners on completion of the future.

Type Parameters:

T -

Parameters:

future -

topic -

event -

Returns:

future of a new completion stage

notify

public static void notify(TopicEventsListener[] listeners,
 String topic,
 TopicEventsListener.TopicEvent event,
 TopicEventsListener.EventStage stage,
 Throwable t)

Dispatches notification to specified listeners.

Parameters:

listeners -

topic -

event -

stage -

t -