Introduction

A topic updater provides methods for an update source to update topics.

An Updater can be used to send any number of updates. The topics that may be updated are determined by the topic path used when obtaining the updater.

See Also: PTDiffusionTopicUpdateControlFeature

Since: 5.7

Inheritance diagram for PTDiffusionTopicUpdater:

Instance Methods
(void)	- updateWithTopicPath:content:completionHandler:

(void)	- updateWithTopicPath:value:completionHandler:

Method Documentation

- (void) updateWithTopicPath:	(NSString *)	topicPath
content:	(PTDiffusionContent *)	content
completionHandler:	(NSError *_Nullable error)	__deprecated

Update the topic to the state represented by the supplied content, sending updates to subscribers if required.

Parameters

topicPath	Identifies the topic to update.
content	Content representing the new state.
completionHandler	Block to be called asynchronously on success or failure. If the operation was successful, the `error` argument passed to the block will be `nil`. The completion handler will be called asynchronously on the main dispatch queue.

Exceptions

NSInvalidArgumentException If any of the supplied arguments are nil.

Note: The supplied content must always represent the new full topic state.

Deprecated:: since 5.9, replaced by updateWithTopicPath:value:completionHandler:

Since: 5.7

- (void) updateWithTopicPath:	(NSString *)	topicPath
value:	(PTDiffusionBytes *)	value
completionHandler:	(NSError *_Nullable error)	completionHandler