Contents

Diffusion Unified client library interfaces and protocols:

PTDiffusionAddTopicResult	The result of adding a topic
PTDiffusionBasicHTTPProxyAuthentication	Provider of responses to basic authentication challenges from HTTP proxies
PTDiffusionBinary	An immutable binary value with support for binary deltas
PTDiffusionBinaryDelta	An immutable delta describing the differences between two binary values
<PTDiffusionBinaryRequestDelegate>	Methods implemented by classes handling Binary messaging requests with a handler registered at the server
<PTDiffusionBinaryRequestStreamDelegate>	Methods implemented by classes handling Binary messaging requests
<PTDiffusionBinarySessionResponseStreamDelegate>	Methods implemented by classes handling Binary messaging responses from individual sessions
PTDiffusionBinaryTimeSeriesEvent	An event in a time series whose value may be interpreted as Binary
<PTDiffusionBinaryTimeSeriesEventValueStreamDelegate>	Methods implemented by classes handling streamed time series events with binary values
PTDiffusionBinaryTimeSeriesQueryResult	Query result providing an array of binary time series events
<PTDiffusionBinaryValueStreamDelegate>	Methods implemented by classes handling streamed events for binary value topics
PTDiffusionBinaryValueUpdater	A binary value updater may be used to update binary topics by specifying new values
PTDiffusionBytes	A value that is internally represented as binary data
PTDiffusionContent	Content can represent the state of a topic
PTDiffusionCredentials	Credentials contain the proof material to support an authentication request
<PTDiffusionDataType>	Methods implemented by classes providing data type implementations
PTDiffusionDataTypes	Diffusion data type implementations
PTDiffusionDefaultSessionResponseStreamDelegate	Default delegate implementation which may be used as an abstract base for sub-protocol implementations
PTDiffusionDefaultStreamDelegate	Default delegate implementation which may be used as an abstract base for sub-protocol implementations
PTDiffusionDefaultSubscriberStreamDelegate	Default delegate implementation which may be used as an abstract base for sub-protocol implementations
PTDiffusionDefaultTopicNotificationListener	Default delegate implementation which may be used as an abstract base for sub-protocol implementations
PTDiffusionDefaultTopicTreeRegistrationDelegate	Default delegate implementation which may be used as an abstract base for sub-protocol implementations
PTDiffusionEnumeration	Base class for objects offering a selection of predefined constant values
<PTDiffusionErrorListener>	Methods implemented by classes wishing to listen to error notifications
PTDiffusionFeature	A feature is a unit of functionality that is available to a client session
<PTDiffusionFetchStreamDelegate>	The fetch stream delegate protocol defines the methods to be implemented by classes wishing to receive responses to topic fetch requests
PTDiffusionField	A field represents a single value in a record
PTDiffusionFieldMetadata	Field metadata describes a data item that can have a value
<PTDiffusionHTTPAuthentication>	The protocol implemented by classes providing authentication challenge handler implementations for HTTP connections
PTDiffusionHTTPAuthenticationChallenge	An HTTP response from a server connection request, challenging the client to authenticate
<PTDiffusionHTTPAuthenticationChallengeHandler>	The protocol implemented by classes providing an authentication challenge handler implementation for HTTP connections
PTDiffusionHTTPAuthenticationChallengeStatus	An HTTP Status received as part of an authentication challenge
PTDiffusionHTTPProxyConfiguration	Connection details for an HTTP proxy to be tunneled through in order to reach the Diffusion server
PTDiffusionJSON	An immutable JSON value with support for both binary and JSON deltas
<PTDiffusionJSONRequestDelegate>	Methods implemented by classes handling JSON messaging requests with a handler registered at the server
<PTDiffusionJSONRequestStreamDelegate>	Methods implemented by classes handling JSON messaging requests
<PTDiffusionJSONSessionResponseStreamDelegate>	Methods implemented by classes handling JSON messaging responses from individual sessions
PTDiffusionJSONTimeSeriesEvent	An event in a time series whose value may be interpreted as JSON
<PTDiffusionJSONTimeSeriesEventValueStreamDelegate>	Methods implemented by classes handling streamed time series events with JSON values
PTDiffusionJSONTimeSeriesQueryResult	Query result providing an array of JSON time series events
<PTDiffusionJSONValueStreamDelegate>	Methods implemented by classes handling streamed events for JSON value topics
PTDiffusionJSONValueUpdater	A JSON value updater may be used to update JSON topics by specifying new values
PTDiffusionLogging	Logging provides access to debug information that can be enabled at runtime
PTDiffusionLoggingDestinationConfiguration	Options allowing log output to be directed to a custom location
PTDiffusionLoggingLevel	A level of information events useful for debugging
<PTDiffusionMessageDelegate>	Handler for receiving messages from clients, with associated content and optional information
PTDiffusionMessageStream	A message stream represents an asynchronous, variable length feed of message events from the Diffusion server
<PTDiffusionMessageStreamDelegate>	The message stream delegate protocol defines the methods to be implemented by classes wishing to receive messages
PTDiffusionMessagingControlFeature	The Messaging Control feature provides a client session with the ability to use messaging functionality to communicate directly with other client sessions
PTDiffusionMessagingControlFeature(PTDiffusionBinary)	Extension adding support to the Messaging Control feature for sending requests accepting a binary response
PTDiffusionMessagingControlFeature(PTDiffusionJSON)	Extension adding support to the Messaging Control feature for sending requests accepting a JSON response
PTDiffusionMessagingControlFeature(PTDiffusionPrimitive)	Extension adding support to the Messaging Control feature for sending requests accepting a primitive value in response
PTDiffusionMessagingControlFeature(PTDiffusionRecordV2)	Extension adding support to the Messaging Control feature for sending requests accepting a record response
PTDiffusionMessagingFeature	The Messaging feature provides a client session with messaging capabilities
PTDiffusionMessagingFeature(PTDiffusionBinary)	Extension adding support to the Messaging feature for sending requests accepting a binary response
PTDiffusionMessagingFeature(PTDiffusionJSON)	Extension adding support to the Messaging feature for sending requests accepting a JSON response
PTDiffusionMessagingFeature(PTDiffusionPrimitive)	Extension adding support to the Messaging feature for sending requests accepting a primitive value in response
PTDiffusionMessagingFeature(PTDiffusionRecordV2)	Extension adding support to the Messaging feature for sending requests accepting a record response
PTDiffusionMetadata	Metadata is the base interface for both record and field metadata definition nodes
<PTDiffusionMissingTopicHandler>	Handler called when a client session subscribes or fetches using a topic selector that matches no topics
PTDiffusionMissingTopicNotification	Notification that a session has made a request using a selector that does not match any topics
PTDiffusionMultiplicity	Multiplicity describes the number of times that a metadata node may occur within its parent
PTDiffusionMutableRecordV2Model	A mutable data model based upon a schema
PTDiffusionMutableSendOptions	Mutable send options can be modified prior to being associated with sending content
PTDiffusionMutableSessionConfiguration	A mutable session configuration can be modified prior to being used to define behaviour and policies to use when connecting to Diffusion
PTDiffusionNumberFieldMetadata	Number field metadata describes a data item that can have a numerical value
<PTDiffusionNumberRequestDelegate>	Methods implemented by classes handling numeric messaging requests with a handler registered at the server
<PTDiffusionNumberRequestStreamDelegate>	Methods implemented by classes handling JSON messaging requests
<PTDiffusionNumberSessionResponseStreamDelegate>	Methods implemented by classes handling numeric messaging responses from individual sessions
PTDiffusionNumberTimeSeriesEvent	An event in a time series whose value may be interpreted as a number
<PTDiffusionNumberTimeSeriesEventValueStreamDelegate>	Methods implemented by classes handling streamed time series events with numeric values
PTDiffusionNumberTimeSeriesQueryResult	Query result providing an array of number time series events
<PTDiffusionNumberValueStreamDelegate>	Methods implemented by classes handling streamed events for number value topics
PTDiffusionNumberValueUpdater	A number value updater may be used to update numeric topics by specifying new values as NSNumber objects
PTDiffusionPingDetails	Details returned in response to a ping to the server
PTDiffusionPingsFeature	The Pings feature provides a client session with the ability to ping the server
PTDiffusionPrimitive	Support for creating value streams for primitive values including string and numeric types
PTDiffusionReceiveContext	A receive context provides additional contextual information for received content
PTDiffusionRecord	A record is a collection of fields
PTDiffusionRecordContent	Record content is a collection of records
PTDiffusionRecordContentSchema	A record content schema describes a data item that can represent a collection of records
PTDiffusionRecordMetadata	Record metadata describes a data item that can represent a collection of fields
PTDiffusionRecordTopicAttributes	Attributes specific to record topics
<PTDiffusionRecordTopicDetailsBuilder>	The protocol to which record topic details builders conform
PTDiffusionRecordTopicSchema	Schema for record topics
PTDiffusionRecordV2	An immutable record value with support for binary deltas
PTDiffusionRecordV2Builder	Builds free format PTDiffusionRecordV2 values
PTDiffusionRecordV2Delta	A description of the differences between two record values
PTDiffusionRecordV2DeltaChange	Represents a single change between one record value and another
PTDiffusionRecordV2DeltaChangeType	The type of change represented by a record delta
PTDiffusionRecordV2Model	A data model based upon a schema
<PTDiffusionRecordV2RequestDelegate>	Methods implemented by classes handling record messaging requests with a handler registered at the server
<PTDiffusionRecordV2RequestStreamDelegate>	Methods implemented by classes handling record messaging requests
PTDiffusionRecordV2Schema	A schema
PTDiffusionRecordV2SchemaBuilder	Used to build an immutable PTDiffusionRecordV2Schema
PTDiffusionRecordV2SchemaField	A field definition within a schema
PTDiffusionRecordV2SchemaFieldType	Type of field defined within a schema
PTDiffusionRecordV2SchemaNode	A node within a schema
PTDiffusionRecordV2SchemaRecord	A record definition within a schema
<PTDiffusionRecordV2SessionResponseStreamDelegate>	Methods implemented by classes handling record messaging responses from individual sessions
PTDiffusionRecordV2TimeSeriesEvent	An event in a time series whose value may be interpreted as a record
<PTDiffusionRecordV2TimeSeriesEventValueStreamDelegate>	Methods implemented by classes handling streamed time series events with record values
PTDiffusionRecordV2TimeSeriesQueryResult	Query result providing an array of record time series events
<PTDiffusionRecordV2ValueStreamDelegate>	Methods implemented by classes handling streamed events for record value topics
PTDiffusionRecordV2ValueUpdater	A record value updater may be used to update record topics by specifying new values
PTDiffusionRegistration	A reference to a registered handle
PTDiffusionRequest	A request to be sent using messaging
PTDiffusionRequestContext	A request context provides additional contextual information for received messaging requests
PTDiffusionRequestHandler	Handler to receive request notifications
PTDiffusionRequestStream	A request stream represents an asynchronous, variable length feed of messaging requests
PTDiffusionResponder	Responder provided with requests, used to dispatch responses
PTDiffusionResponder(PTDiffusionBinary)	Extension adding support for responding to requests using Binary values
PTDiffusionResponder(PTDiffusionJSON)	Extension adding support for responding to requests using JSON values
PTDiffusionResponder(PTDiffusionPrimitive)	Extension adding support for responding to requests using primitive values
PTDiffusionResponder(PTDiffusionRecordV2)	Extension adding support for responding to requests using record values
PTDiffusionResponse	A response to be sent using messaging
PTDiffusionRoutingTopicAttributes	Attributes specific to routing topics
<PTDiffusionRoutingTopicDetailsBuilder>	The protocol to which routing topic details builders conform
PTDiffusionSecurityFeature	The Security feature provides a client session with the ability to change the associated principal
PTDiffusionSendOptions	Send options are associated with sending content
PTDiffusionSession	A session represents a single connection to a single Diffusion server
PTDiffusionSessionConfiguration	A session configuration defines behavior and policies to use when connecting to Diffusion
PTDiffusionSessionDelayedReconnectionStrategy	Delayed is a default reconnection strategy supplied with the client library
PTDiffusionSessionId	A session ID is a unique session identifier, allocated by the server
PTDiffusionSessionImmediateAbortReconnectionStrategy	Immediate abort is a default reconnection strategy supplied with the client library
PTDiffusionSessionReconnectionAttempt	A session reconnection attempt can either be started or aborted
<PTDiffusionSessionReconnectionStrategy>	The session reconnection strategy protocol defines the behaviour for a session when recovering a failed connection
PTDiffusionSessionResponseStream	A response stream represents an asynchronous, variable length feed of messaging responses from other sessions
<PTDiffusionSessionResponseStreamDelegate>	Methods implemented by classes handling messaging responses from individual sessions
PTDiffusionSessionState	Session state represents the condition a session has in respect of connectivity to a Diffusion server
PTDiffusionSessionStateChange	A session state change represents a change in a session's state
<PTDiffusionSingleValueTopicDetailsBuilder>	The protocol to which single value topic details builders conform
PTDiffusionSingleValueTopicSchema	Schema for single value topics
PTDiffusionSlaveTopicAttributes	Attributes specific to slave topics
<PTDiffusionSlaveTopicDetailsBuilder>	The protocol to which slave topic details builders conform
PTDiffusionStream	A stream represents an asynchronous, variable length feed of updates from the Diffusion server
<PTDiffusionStreamDelegate>	The stream delegate protocol defines the methods to be implemented by classes wishing to receive streaming updates
PTDiffusionStringFieldMetadata	String field metadata describes a data item that can have a textual value
<PTDiffusionStringRequestDelegate>	Methods implemented by classes handling string messaging requests with a handler registered at the server
<PTDiffusionStringRequestStreamDelegate>	Methods implemented by classes handling JSON messaging requests
<PTDiffusionStringSessionResponseStreamDelegate>	Methods implemented by classes handling string messaging responses from individual sessions
PTDiffusionStringTimeSeriesEvent	An event in a time series whose value may be interpreted as a string
<PTDiffusionStringTimeSeriesEventValueStreamDelegate>	Methods implemented by classes handling streamed time series events with string values
PTDiffusionStringTimeSeriesQueryResult	Query result providing an array of string time series events
<PTDiffusionStringValueStreamDelegate>	Methods implemented by classes handling streamed events for string value topics
PTDiffusionStringValueUpdater	A string value updater may be used to update string topics by specifying new values
<PTDiffusionSubscriberStreamDelegate>	Methods implemented by classes handling streamed subscription events for value topics
PTDiffusionSubscriptionControlFeature	The Subscription Control feature allows a client session to subscribe or unsubscribe other sessions to topics, as well as also providing a mechanism for handling requests to subscribe to routing topics
PTDiffusionSubscriptionRoutingRequest	A single request from a session to subscribe to a routing topic
<PTDiffusionSubscriptionRoutingRequestHandler>	Methods implemented by classes handling streamed subscription routing requests
PTDiffusionTimeSeriesEvent	An event in a time series
PTDiffusionTimeSeriesEventMetadata	Metadata associated with a time series event
PTDiffusionTimeSeriesFeature	The Time Series feature provides a client session with the ability to update and query time series topics
PTDiffusionTimeSeriesFeature(PTDiffusionBinary)	Extension adding support to the Time Series feature for appending and editing events using binary values
PTDiffusionTimeSeriesFeature(PTDiffusionJSON)	Extension adding support to the Time Series feature for appending and editing events using JSON values
PTDiffusionTimeSeriesFeature(PTDiffusionPrimitive)	Extension adding support to the Time Series feature for appending and editing events using primitive values
PTDiffusionTimeSeriesFeature(PTDiffusionRecordV2)	Extension adding support to the Time Series feature for appending and editing events using record values
PTDiffusionTimeSeriesQueryResult	Query result providing an array of time series events
PTDiffusionTimeSeriesQueryResultEventArrayStructure	Describes the structural properties of the array of events presented by a time series query result
PTDiffusionTimeSeriesRangeQuery	Builder for queries that select a range of events from a time series
PTDiffusionTopicAddFailReason	The reason for failure to add a Topic
PTDiffusionTopicAttributes	Attributes applicable to all topic types
PTDiffusionTopicControlFeature	The Topic Control feature provides a client session with the ability to manage topics
PTDiffusionTopicDetails	Topic details describe a topic
<PTDiffusionTopicDetailsBuilder>	All topic details builders conform to this protocol
PTDiffusionTopicDetailsLevel	The level of detail to request when getting topic details
<PTDiffusionTopicEventListener>	Listener for topic events from the server
<PTDiffusionTopicNotificationListener>	Methods implemented by classes handling streamed topic notifications
PTDiffusionTopicNotificationRegistration	The registration state of the associated topic notification listener on the server
PTDiffusionTopicNotificationsFeature	The Topic Notifications feature allows a client session to receive notifications about changes to selected topics
PTDiffusionTopicNotificationType	The type of topic notification received
PTDiffusionTopicSchema	Base class which has no specific information associated with it
PTDiffusionTopicSelector	A topic selector identifies one or more topics
PTDiffusionTopicsFeature	The Topics feature provides a client session with the capability to receive streamed topic updates and/or fetch the state of topics
PTDiffusionTopicSpecification	The specification of a topic
PTDiffusionTopicStream	A topic stream represents an asynchronous, variable length feed of subscription, value and delta events from the Diffusion server
<PTDiffusionTopicStreamDelegate>	The topic stream delegate protocol defines the methods to be implemented by classes wishing to receive streamed topic updates
PTDiffusionTopicTreeRegistration	A reference to a handler registered for a particular topic path
<PTDiffusionTopicTreeRegistrationDelegate>	Common protocol for delegates that establish a server side control presence for the client session at a particular branch of the topic tree
PTDiffusionTopicUpdateControlFeature	The topic update control feature provides a client session with the capability to update topics at the server
PTDiffusionTopicUpdater	A topic updater provides methods for an update source to update topics
PTDiffusionTopicUpdater(PTDiffusionBinaryValueUpdater)	Extension adding support for updating topics using Binary values
PTDiffusionTopicUpdater(PTDiffusionJSONValueUpdater)	Extension adding support for updating topics using JSON values
PTDiffusionTopicUpdater(PTDiffusionNumberValueUpdater)	Extension adding support for updating topics using numeric values
PTDiffusionTopicUpdater(PTDiffusionRecordV2ValueUpdater)	Extension adding support for updating topics using record values
PTDiffusionTopicUpdater(PTDiffusionStringValueUpdater)	Extension adding support for updating topics using string values
<PTDiffusionTopicUpdateSource>	A source of updates which may be registered in order to update parts of the topic tree
PTDiffusionUpdateContext	An update context provides additional detail associated with an update delivering PTDiffusionContent
PTDiffusionValueStream	A value stream represents an asynchronous, variable length feed of subscription and value updates from the Diffusion server
PTDiffusionValueUpdater	A value updater may be used to update topics of a certain type by specifying new values
PTDiffusionVersion	A version represents a released build of the client library