Package com.hivemq.spi.callback.events

Interface Summary

Interface	Description
BeforePublishSendCallback	Gets called just before a PUBLISH message is sent to a client.
OnConnectCallback	This callback is called when a CONNECT MQTT message arrives.
OnDisconnectCallback	This callback gets called when a client disconnects gracefully with a DISCONNECT message or when disconnects abruptly by closing the TCP connection .
OnPublishReceivedCallback	Gets called when a PUBLISH MQTT message arrives.
OnPublishSend	Gets called when an outgoing PUBLISH message event occurs.
OnSessionReadyCallback	This callback gets called once the MQTT Session is ready for a client.
OnSubscribeCallback	Gets called when a SUBSCRIBE message arrives When a subscription was invalid it's possible to throw a InvalidSubscriptionException.
OnTopicSubscriptionCallback	This callback returns the SubackReturnCode for a Topic and a ClientData.
OnUnsubscribeCallback	A callback which gets called when an UNSUBSCRIBE MQTT message arrives.