RPatternTopic (Redisson 2.13.2 API)

Type Parameters:

M - the type of message object

All Known Implementing Classes:

RedissonPatternTopic
```
public interface RPatternTopic<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(PatternMessageListener<M> listener)`	Subscribes to this topic.
`int`	`addListener(PatternStatusListener listener)`	Subscribes to status changes of this topic
`List<String>`	`getPatternNames()`	Get topic channel patterns
`void`	`removeAllListeners()`	Removes all listeners from this topic
`void`	`removeListener(int listenerId)`	Removes the listener by `id` for listening this topic
`void`	`removeListener(PatternMessageListener<M> listener)`	Removes the listener by its instance

- Method Detail
  - getPatternNames
```
List<String> getPatternNames()
```
    Get topic channel patterns
    
    Returns:
    
    list of topic names
  - addListener
```
int addListener(PatternMessageListener<M> listener)
```
    Subscribes to this topic. MessageListener.onMessage is called when any message is published on this topic.
    
    Parameters:
    
    listener - - message listener
    
    Returns:
    
    local JVM unique listener id
    
    See Also:
    
    MessageListener
  - addListener
```
int addListener(PatternStatusListener listener)
```
    Subscribes to status changes of this topic
    
    Parameters:
    
    listener - - message listener
    
    Returns:
    
    local JVM unique listener id
    
    See Also:
    
    StatusListener
  - removeListener
```
void removeListener(int listenerId)
```
    Removes the listener by id for listening this topic
    
    Parameters:
    
    listenerId - - id of message listener
  - removeListener
```
void removeListener(PatternMessageListener<M> listener)
```
    Removes the listener by its instance
    
    Parameters:
    
    listener - - listener instance
  - removeAllListeners
```
void removeAllListeners()
```
    Removes all listeners from this topic