<PTDiffusionTopicEventListener> Protocol Reference

Introduction

Listener for topic events from the server.

See Also

PTDiffusionTopicControlFeature

Deprecated:

Since 6.1. The main use case for this protocol was the removal of unused topics. That use case is now much better satisfied using the removalPropertyKey (PTDiffusionTopicSpecification) to remove a topic using the subscriptions < n for condition. The older pattern adopting this protocol does not work across a cluster, so this protocol will be removed in a future release.

Since

5.7

Inheritance diagram for <PTDiffusionTopicEventListener>:

Instance Methods
(void)	- diffusionTopicTreeRegistration:hasSubscribersForTopicPath:
(void)	- diffusionTopicTreeRegistration:hasNoSubscribersForTopicPath:
Instance Methods inherited from <PTDiffusionTopicTreeRegistrationDelegate>
(void)	- diffusionTopicTreeRegistrationDidClose:
(void)	- diffusionTopicTreeRegistration:didFailWithError:

Method Documentation

- (void) diffusionTopicTreeRegistration:		(PTDiffusionTopicTreeRegistration *)	registration
hasNoSubscribersForTopicPath:		(NSString *)	topicPath

A topic that previously had some subscribers now has none.

Parameters

registration	The topic tree registration for which this listener applies.
topicPath	The path of the topic.

Since

5.7

- (void) diffusionTopicTreeRegistration:		(PTDiffusionTopicTreeRegistration *)	registration
hasSubscribersForTopicPath:		(NSString *)	topicPath

A topic that previously had no subscribers now has at least one.

Parameters

registration	The topic tree registration for which this listener applies.
topicPath	The path of the topic.

Since

5.7