tijos.framework.networkcenter.mqtt

Interface MqttClientListener

public interface MqttClientListener

Implementers of this interface will be notified when a message arrives.

Method Summary

Modifier and Type	Method and Description
void	connectComplete(Object userContext, boolean reconnect) the event to indicate that the MQTT server is connected successfully.
void	connectionLost(Object userContext) the event to indicate that when the connection to the server is lost
void	messageArrived(Object userContext, String topic, byte[] payload) the event to indicate that there is a topic update from server
void	onMqttConnectFailure(Object userContext, int cause) the event to indicate that the MQTT CONNACT message failed
void	onMqttConnectSuccess(Object userContext) the event to indicate that the MQTT CONNACT message successfully
void	publishCompleted(Object userContext, int msgId, String topic, int result) the event to indicate the result of the topic publish
void	subscribeCompleted(Object userContext, int msgId, String topic, int result) the event to indicate the result of the topic subscribe
void	unsubscribeCompleted(Object userContext, int msgId, String topic, int result) the event to indicate the result of the topic unsubscribe

Method Detail

connectComplete

void connectComplete(Object userContext,
                     boolean reconnect)

the event to indicate that the MQTT server is connected successfully.

Parameters:

userContext - pre-configured user context

reconnect - If true, the connection was the result of automatic reconnect.

connectionLost

void connectionLost(Object userContext)

the event to indicate that when the connection to the server is lost

Parameters:

userContext - pre-configured user context

messageArrived

void messageArrived(Object userContext,
                    String topic,
                    byte[] payload)

the event to indicate that there is a topic update from server

Parameters:

userContext - pre-configured user context

topic - the topic name

payload - the new data of the topic

onMqttConnectFailure

void onMqttConnectFailure(Object userContext,
                          int cause)

the event to indicate that the MQTT CONNACT message failed

Parameters:

userContext - context for event callback

cause - the failure error code
01 - The protocol version requested is not supported by the server.
02 - The server has rejected the supplied client ID.
03 - The broker was not available to handle the request.
04 - Authentication with the server has failed, due to a bad user name or password.
05 - Not authorized to perform the requested operation
06 - An unexpected error has occurred.

onMqttConnectSuccess

void onMqttConnectSuccess(Object userContext)

the event to indicate that the MQTT CONNACT message successfully

Parameters:

userContext - pre-configured user context

publishCompleted

void publishCompleted(Object userContext,
                      int msgId,
                      String topic,
                      int result)

the event to indicate the result of the topic publish

Parameters:

userContext - pre-configured user context

msgId - the message id of this publish operation

topic - the topic name

result - the publish result, 0 - failure 1 -successfully

subscribeCompleted

void subscribeCompleted(Object userContext,
                        int msgId,
                        String topic,
                        int result)

the event to indicate the result of the topic subscribe

Parameters:

userContext - pre-configured user context

msgId - the message id of this publish operation

topic - the topic name

result - the publish result, 0 - failure 1 -successfully

unsubscribeCompleted

void unsubscribeCompleted(Object userContext,
                          int msgId,
                          String topic,
                          int result)

the event to indicate the result of the topic unsubscribe

Parameters:

userContext - pre-configured user context

msgId - the message id of this publish operation

topic - the topic name

result - the publish result, 0 - failure 1 -successfully