org.springframework.data.redis.connection

Interface SubscriptionListener

public interface SubscriptionListener

Listener for subscription notifications.

Subscription notifications are reported by Redis as confirmation for subscribe and unsubscribe operations for channels and patterns.

Since:

2.6

Author:

Mark Paluch

Field Summary

Fields

Modifier and Type	Field and Description
static SubscriptionListener	NO_OP_SUBSCRIPTION_LISTENER Empty SubscriptionListener.

Method Summary

Modifier and Type	Method and Description
default void	onChannelSubscribed(byte[] channel, long count) Notification when Redis has confirmed a channel subscription.
default void	onChannelUnsubscribed(byte[] channel, long count) Notification when Redis has confirmed a channel un-subscription.
default void	onPatternSubscribed(byte[] pattern, long count) Notification when Redis has confirmed a pattern subscription.
default void	onPatternUnsubscribed(byte[] pattern, long count) Notification when Redis has confirmed a pattern un-subscription.

Field Detail

NO_OP_SUBSCRIPTION_LISTENER

static final SubscriptionListener NO_OP_SUBSCRIPTION_LISTENER

Empty SubscriptionListener.

Method Detail

onChannelSubscribed

default void onChannelSubscribed(byte[] channel,
                                 long count)

Notification when Redis has confirmed a channel subscription.

Parameters:

channel - name of the channel.

count - subscriber count.

onChannelUnsubscribed

default void onChannelUnsubscribed(byte[] channel,
                                   long count)

Notification when Redis has confirmed a channel un-subscription.

Parameters:

channel - name of the channel.

count - subscriber count.

onPatternSubscribed

default void onPatternSubscribed(byte[] pattern,
                                 long count)

Notification when Redis has confirmed a pattern subscription.

Parameters:

pattern - the pattern.

count - subscriber count.

onPatternUnsubscribed

default void onPatternUnsubscribed(byte[] pattern,
                                   long count)

Notification when Redis has confirmed a pattern un-subscription.

Parameters:

pattern - the pattern.

count - subscriber count.