RTopic (Redisson 2.13.2 API)

Type Parameters:

M - the type of message object

All Superinterfaces:

RTopicAsync<M>

All Known Implementing Classes:

RedissonTopic
```
public interface RTopic<M>
extends RTopicAsync<M>
```
Distributed topic. Messages are delivered to all message listeners across Redis cluster.

Author:

Nikita Koksharov

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`addListener(MessageListener<M> listener)`	Subscribes to this topic.
`int`	`addListener(StatusListener listener)`	Subscribes to status changes of this topic
`List<String>`	`getChannelNames()`	Get topic channel names
`long`	`publish(M message)`	Publish the message to all subscribers of this topic
`void`	`removeAllListeners()`	Removes all listeners from this topic
`void`	`removeListener(int listenerId)`	Removes the listener by `id` for listening this topic
`void`	`removeListener(MessageListener<?> listener)`	Removes the listener by its instance

Methods inherited from interface org.redisson.api.RTopicAsync
addListenerAsync, publishAsync

- Method Detail
  - getChannelNames
```
List<String> getChannelNames()
```
    Get topic channel names
    
    Returns:
    
    channel names
  - publish
```
long publish(M message)
```
    Publish the message to all subscribers of this topic
    
    Parameters:
    
    message - to send
    
    Returns:
    
    the number of clients that received the message
  - addListener
```
int addListener(MessageListener<M> listener)
```
    Subscribes to this topic. MessageListener.onMessage is called when any message is published on this topic.
    
    Parameters:
    
    listener - for messages
    
    Returns:
    
    locally unique listener id
    
    See Also:
    
    MessageListener
  - addListener
```
int addListener(StatusListener listener)
```
    Subscribes to status changes of this topic
    
    Parameters:
    
    listener - for messages
    
    Returns:
    
    listener id
    
    See Also:
    
    StatusListener
  - removeListener
```
void removeListener(MessageListener<?> listener)
```
    Removes the listener by its instance
    
    Parameters:
    
    listener - - listener instance
  - removeListener
```
void removeListener(int listenerId)
```
    Removes the listener by id for listening this topic
    
    Parameters:
    
    listenerId - - listener id
  - removeAllListeners
```
void removeAllListeners()
```
    Removes all listeners from this topic