Package io.quarkus.redis.datasource.pubsub

Interface PubSubCommands<V>

Type Parameters:

V - the class of the exchanged messages.

All Superinterfaces:

RedisCommands

All Known Implementing Classes:

BlockingPubSubCommandsImpl

public interface PubSubCommands<V>
extends RedisCommands

Allows executing Pub/Sub commands. See the pub/sub documentation.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	PubSubCommands.RedisSubscriber	A redis subscriber

Method Summary

Modifier and Type	Method	Description
void	publish(String channel, V message)	Publishes a message to a given channel
PubSubCommands.RedisSubscriber	subscribe(String channel, Consumer<V> onMessage)	Subscribes to a given channel.
PubSubCommands.RedisSubscriber	subscribe(List<String> channels, Consumer<V> onMessage)	Subscribes to the given channels.
PubSubCommands.RedisSubscriber	subscribeToPattern(String pattern, Consumer<V> onMessage)	Subscribes to a given pattern like chan*l.
PubSubCommands.RedisSubscriber	subscribeToPatterns(List<String> patterns, Consumer<V> onMessage)	Subscribes to the given patterns like chan*l.

Methods inherited from interface io.quarkus.redis.datasource.RedisCommands

getDataSource

Method Detail

publish

void publish(String channel,
             V message)

Publishes a message to a given channel

Parameters:

channel - the channel

message - the message

subscribe

PubSubCommands.RedisSubscriber subscribe(String channel,
                                         Consumer<V> onMessage)

Subscribes to a given channel.

Parameters:

channel - the channel

onMessage - the message consumer. Be aware that this callback is invoked for each message sent to the given channel, and is invoked on the I/O thread. So, you must not block. Offload to a separate thread if needed.

Returns:

the subscriber object that lets you unsubscribe

subscribeToPattern

PubSubCommands.RedisSubscriber subscribeToPattern(String pattern,
                                                  Consumer<V> onMessage)

Subscribes to a given pattern like chan*l.

Parameters:

pattern - the pattern

onMessage - the message consumer. Be aware that this callback is invoked for each message sent to the channels matching the pattern, and is invoked on the I/O thread. So, you must not block. Offload to a separate thread if needed.

Returns:

the subscriber object that lets you unsubscribe

subscribeToPatterns

PubSubCommands.RedisSubscriber subscribeToPatterns(List<String> patterns,
                                                   Consumer<V> onMessage)

Subscribes to the given patterns like chan*l.

Parameters:

patterns - the patterns

onMessage - the message consumer. Be aware that this callback is invoked for each message sent to the channels matching the pattern, and is invoked on the I/O thread. So, you must not block. Offload to a separate thread if needed.

Returns:

the subscriber object that lets you unsubscribe

subscribe

PubSubCommands.RedisSubscriber subscribe(List<String> channels,
                                         Consumer<V> onMessage)

Subscribes to the given channels.

Parameters:

channels - the channels

onMessage - the message consumer. Be aware that this callback is invoked for each message sent to the given channels, and is invoked on the I/O thread. So, you must not block. Offload to a separate thread if needed.

Returns:

the subscriber object that lets you unsubscribe