Package com.plccom.opc.ua.pubsub.transport.mqtt

Interface Summary

Interface	Description
MqttAdapterProvider	Describes one concrete MQTT client implementation available to the PubSub SDK.
MqttJsonActionPublisher	Library-neutral publisher for OPC UA PubSub JSON ActionRequest and ActionResponse messages over MQTT.
MqttJsonActionSubscriber	Library-neutral subscriber for OPC UA PubSub JSON ActionRequest and ActionResponse messages over MQTT.
MqttJsonAdapterFactory	Creates library-neutral MQTT JSON publisher and subscriber adapters.
MqttJsonDiscoveryPublisher	Library-neutral publisher for OPC UA PubSub JSON discovery messages over MQTT.
MqttJsonDiscoverySubscriber	Library-neutral subscriber for OPC UA PubSub JSON discovery messages over MQTT.
MqttJsonMetaDataPublisher	Library-neutral publisher for OPC UA PubSub JSON DataSetMetaData messages over MQTT.
MqttJsonMetaDataSubscriber	Library-neutral subscriber for OPC UA PubSub JSON DataSetMetaData messages over MQTT.
MqttJsonPublisher	Library-neutral publisher for OPC UA PubSub JSON NetworkMessages over MQTT.
MqttJsonSubscriber	Library-neutral subscriber for OPC UA PubSub JSON NetworkMessages over MQTT.
MqttRetainedTopicCleaner	Library-neutral helper for clearing retained OPC UA PubSub MQTT topics.
MqttUadpAdapterFactory	Creates library-neutral MQTT UADP publisher and subscriber adapters.
MqttUadpMetaDataPublisher	Library-neutral publisher for OPC UA PubSub UADP DataSetMetaData announcements over MQTT.
MqttUadpPublisher	Library-neutral publisher for OPC UA PubSub UADP NetworkMessages over MQTT.
MqttUadpSubscriber	Library-neutral subscriber for OPC UA PubSub UADP NetworkMessages over MQTT.

Class Summary

Class	Description
MqttAdapterProviders	Discovers MQTT adapter providers available on the application class path.
MqttConnectionConfiguration	Library-neutral MQTT CONNECT and reconnect configuration.
MqttJsonActionReceivedMessage	MQTT publish packet decoded as an OPC UA PubSub JSON Action NetworkMessage.
MqttJsonClientConfiguration	Connection-level configuration used by MQTT JSON adapter factories.
MqttJsonDiscoveryNetworkMessage	Typed container for one OPC UA PubSub JSON discovery NetworkMessage carried over MQTT.
MqttJsonDiscoveryReceivedMessage	MQTT publish packet decoded as an OPC UA PubSub JSON discovery NetworkMessage.
MqttJsonMetaDataReceivedMessage	MQTT publish packet decoded as an OPC UA PubSub JSON DataSetMetaData NetworkMessage.
MqttJsonReceivedMessage	MQTT publish packet decoded as an OPC UA PubSub JSON NetworkMessage.
MqttRetainedTopicRegistry	Tracks retained OPC UA PubSub MQTT topics that may need explicit cleanup.
MqttRetainedTopicRegistry.RefreshCandidate	Describes one retained topic whose MQTT 5 Message Expiry Interval is close enough to expiry that the Publisher should republish it.
MqttTlsConfiguration	Library-neutral TLS configuration for OPC UA PubSub MQTT transports.
MqttUadpClientConfiguration	Connection-level configuration used by MQTT UADP adapter factories.
MqttUadpRawReceivedMessage	MQTT publish packet carrying raw OPC UA PubSub UADP payload bytes.
MqttUadpReceivedMessage	MQTT publish packet decoded as an OPC UA PubSub UADP NetworkMessage.
MqttUserProperty	Immutable MQTT User Property carried by an OPC UA PubSub MQTT message.
OpcMqttEndpoint	Parsed OPC UA PubSub MQTT broker endpoint.
OpcMqttMessageProperties	MQTT message metadata derived from OPC UA PubSub Part 14.
OpcMqttTopic	OPC UA PubSub MQTT topic built from the Part 14 topic convention.
OpcMqttTopicFilter	OPC UA PubSub MQTT subscription topic filter.
OpcMqttUserPropertyEncoding	Converts OPC UA values into MQTT User Property values used by OPC UA PubSub.
PlccomMqttAdapterProvider	MQTT adapter provider backed by the PLCcom MQTT client implementation.

Enum Summary

Enum	Description
MqttBodyEncoding	OPC UA PubSub body encoding used in MQTT Topics and MQTT 5 Content Type properties.
MqttBrokerQualityOfService	OPC UA BrokerTransportQualityOfService values and their MQTT QoS mapping.
MqttMessageType	MQTT Topic level MessageType values defined by OPC UA Part 14 Table 204.
MqttProtocolVersion	MQTT protocol version configured for an OPC UA PubSub broker connection.