org.redisson.api

Interface RTopicReactive

public interface RTopicReactive

Reactive interface for Publish Subscribe object. Messages are delivered to all message listeners across Redis cluster.

Author:

Nikita Koksharov

Method Summary

Modifier and Type	Method and Description
<M> reactor.core.publisher.Mono<Integer>	addListener(Class<M> type, MessageListener<M> listener) Subscribes to this topic.
reactor.core.publisher.Mono<Integer>	addListener(StatusListener listener) Subscribes to status changes of this topic
reactor.core.publisher.Mono<Long>	countSubscribers() Returns amount of subscribers to this topic across all Redisson instances.
List<String>	getChannelNames() Get topic channel names
<M> reactor.core.publisher.Flux<M>	getMessages(Class<M> type) Returns continues stream of messages.
reactor.core.publisher.Mono<Long>	publish(Object message) Publish the message to all subscribers of this topic asynchronously
reactor.core.publisher.Mono<Void>	removeListener(Integer... listenerIds) Removes the listener by id for listening this topic
reactor.core.publisher.Mono<Void>	removeListener(MessageListener<?> listener) Removes the listener by instance for listening this topic

Method Detail

getChannelNames

List<String> getChannelNames()

Get topic channel names

Returns:

channel names

publish

reactor.core.publisher.Mono<Long> publish(Object message)

Publish the message to all subscribers of this topic asynchronously

Parameters:

message - to send

Returns:

the Future object with number of clients that received the message

addListener

reactor.core.publisher.Mono<Integer> addListener(StatusListener listener)

Subscribes to status changes of this topic

Parameters:

listener - for messages

Returns:

listener id

See Also:

StatusListener

addListener

<M> reactor.core.publisher.Mono<Integer> addListener(Class<M> type,
                                                     MessageListener<M> listener)

Subscribes to this topic. MessageListener.onMessage is called when any message is published on this topic.

Type Parameters:

M - type of message

Parameters:

type - - type of message

listener - for messages

Returns:

locally unique listener id

See Also:

MessageListener

removeListener

reactor.core.publisher.Mono<Void> removeListener(Integer... listenerIds)

Removes the listener by id for listening this topic

Parameters:

listenerIds - - message listener ids

Returns:

void

removeListener

reactor.core.publisher.Mono<Void> removeListener(MessageListener<?> listener)

Removes the listener by instance for listening this topic

Parameters:

listener - - message listener

Returns:

void

getMessages

<M> reactor.core.publisher.Flux<M> getMessages(Class<M> type)

Returns continues stream of messages.

Type Parameters:

M - type of message

Parameters:

type - - type of message to listen

Returns:

stream of messages

countSubscribers

reactor.core.publisher.Mono<Long> countSubscribers()

Returns amount of subscribers to this topic across all Redisson instances. Each subscriber may have multiple listeners.

Returns:

amount of subscribers