<PTDiffusionRecordV2ValueStreamDelegate> Protocol Reference

Introduction

Methods implemented by classes handling streamed events for record value topics.

This protocol defines the methods to be implemented by classes wishing to receive streamed events when updates are received from the server for record topics.

See Also

PTDiffusionRecordV2

Since

6.0

Inheritance diagram for <PTDiffusionRecordV2ValueStreamDelegate>:

Instance Methods
(void)	- diffusionStream:didUpdateTopicPath:specification:oldRecord:newRecord:
Instance Methods inherited from <PTDiffusionSubscriberStreamDelegate>
(void)	- diffusionStream:didSubscribeToTopicPath:specification:
(void)	- diffusionStream:didUnsubscribeFromTopicPath:specification:reason:
Instance Methods inherited from <PTDiffusionStreamDelegate>
(void)	- diffusionStream:didFailWithError:
(void)	- diffusionDidCloseStream:

Method Documentation

- (void) diffusionStream:		(PTDiffusionValueStream *)	stream
didUpdateTopicPath:		(NSString *)	topicPath
specification:		(PTDiffusionTopicSpecification *)	specification
oldRecord:		(nullable PTDiffusionRecordV2 *)	oldRecord
newRecord:		(PTDiffusionRecordV2 *)	newRecord

An update was received for a topic path handled by a record value stream.

Parameters

stream	The value stream that received the update.
topicPath	The topic path that was updated.
specification	The specification for the updated topic.
oldRecord	The previous value. If nil then this is the first value.
newRecord	The new value derived from the last update received from the server.

Since

6.0