org.eclipse.kapua.kura.simulator

Class MqttSimulatorTransport

java.lang.Object

org.eclipse.kapua.kura.simulator.MqttSimulatorTransport

All Implemented Interfaces:

AutoCloseable, Transport

public class MqttSimulatorTransport
extends Object
implements AutoCloseable, Transport

A transport implementation based on MQTT

Constructor Summary

Constructors

Constructor and Description
MqttSimulatorTransport(GatewayConfiguration configuration)

Method Summary

Modifier and Type	Method and Description
void	close()
void	connect() Connect
void	disconnect() Disconnect gracefully A later call to Transport.connect() must be possible.
protected void	handleConnected()
protected void	handleDisconnected()
void	sendMessage(Topic topic, byte[] payload) Send a message to a topic
void	subscribe(Topic topic, java.util.function.Consumer<Message> consumer) Subscribe to a topic or topic pattern
void	unsubscribe(Topic topic) Unsubscribe from a topic or topic pattern
void	whenConnected(Runnable runnable) Set the runnable which will be called when a connection was established
void	whenDisconnected(Runnable runnable) Set the runnable which will be called when a connection was lost

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.kapua.kura.simulator.Transport

sendMessage

Constructor Detail

MqttSimulatorTransport

public MqttSimulatorTransport(GatewayConfiguration configuration)
                       throws org.eclipse.paho.client.mqttv3.MqttException

Throws:

org.eclipse.paho.client.mqttv3.MqttException

Method Detail

connect

public void connect()

Description copied from interface: Transport

Connect

Specified by:

connect in interface Transport

disconnect

public void disconnect()

Description copied from interface: Transport

Disconnect gracefully
A later call to Transport.connect() must be possible.

Specified by:

disconnect in interface Transport

close

public void close()
           throws org.eclipse.paho.client.mqttv3.MqttException

Specified by:

close in interface AutoCloseable

Throws:

org.eclipse.paho.client.mqttv3.MqttException

subscribe

public void subscribe(Topic topic,
                      java.util.function.Consumer<Message> consumer)

Description copied from interface: Transport

Subscribe to a topic or topic pattern

Specified by:

subscribe in interface Transport

Parameters:

topic - the topic to subscribe to

consumer - the consumer to call when a message was received

unsubscribe

public void unsubscribe(Topic topic)

Description copied from interface: Transport

Unsubscribe from a topic or topic pattern

Specified by:

unsubscribe in interface Transport

Parameters:

topic - to unsubscribe from

whenConnected

public void whenConnected(Runnable runnable)

Description copied from interface: Transport

Set the runnable which will be called when a connection was established

Note: When the connection is already established then this method won't be called again.

Specified by:

whenConnected in interface Transport

whenDisconnected

public void whenDisconnected(Runnable runnable)

Description copied from interface: Transport

Set the runnable which will be called when a connection was lost

Specified by:

whenDisconnected in interface Transport

handleConnected

protected void handleConnected()

handleDisconnected

protected void handleDisconnected()

sendMessage

public void sendMessage(Topic topic,
                        byte[] payload)

Description copied from interface: Transport

Send a message to a topic

Specified by:

sendMessage in interface Transport

Parameters:

topic - the topic to send the message to

payload - the payload to send