Java Code Examples for org.eclipse.paho.client.mqttv3.MqttConnectOptions#setWill()

The following examples show how to use org.eclipse.paho.client.mqttv3.MqttConnectOptions#setWill() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: MQTTOverWebSocketTest.java From WeEvent with Apache License 2.0

6 votes

@Test
public void testWill() {
    try {
        String clientId = UUID.randomUUID().toString();
        MqttClient mqttClient = new MqttClient(this.url, clientId, null);

        MqttConnectOptions connectOptions = new MqttConnectOptions();
        connectOptions.setConnectionTimeout(this.actionTimeout);
        connectOptions.setKeepAliveInterval(this.actionTimeout);
        connectOptions.setMqttVersion(MqttConnectOptions.MQTT_VERSION_3_1_1);
        connectOptions.setWill(this.topicName, this.content.getBytes(), 1, false);
        connectOptions.setCleanSession(true);
        mqttClient.connect(this.cleanupOptions);
        mqttClient.disconnect();

        Assert.assertTrue(true);
    } catch (MqttException e) {
        log.error("exception", e);
        Assert.fail();
    }
}

Example 2

Source File: MQTTTest.java From WeEvent with Apache License 2.0

6 votes

@Test
public void testWill() {
    try {
        String clientId = UUID.randomUUID().toString();
        MqttClient mqttClient = new MqttClient(this.url, clientId, null);

        MqttConnectOptions connectOptions = new MqttConnectOptions();
        connectOptions.setConnectionTimeout(this.actionTimeout);
        connectOptions.setKeepAliveInterval(this.actionTimeout);
        connectOptions.setMqttVersion(MqttConnectOptions.MQTT_VERSION_3_1_1);
        connectOptions.setWill(this.topicName, this.content.getBytes(), 1, false);
        connectOptions.setCleanSession(true);
        mqttClient.connect(this.cleanupOptions);
        mqttClient.disconnect();

        Assert.assertTrue(true);
    } catch (MqttException e) {
        log.error("exception", e);
        Assert.fail();
    }
}

Example 3

Source File: Connection.java From EMQ-Android-Toolkit with Apache License 2.0

6 votes

public MqttConnectOptions getMqttConnectOptions() {
    MqttConnectOptions options = new MqttConnectOptions();
    options.setCleanSession(isCleanSession());
    options.setConnectionTimeout(getTimeout());
    options.setKeepAliveInterval(getKeepAlive());

    if (!getUsername().isEmpty()) {
        options.setUserName(getUsername());
    }

    if (!getPassword().isEmpty()) {
        options.setPassword(getPassword().toCharArray());
    }

    if (!getLwtTopic().isEmpty() && !getLwtPayload().isEmpty()) {
        options.setWill(getLwtTopic(), getLwtPayload().getBytes(), getLwtQos(), isLwtRetained());
    }

    return options;
}

Example 4

Source File: AwsIotMqttConnection.java From aws-iot-device-sdk-java with Apache License 2.0

6 votes

private MqttConnectOptions buildMqttConnectOptions(AbstractAwsIotClient client, SocketFactory socketFactory) {
    MqttConnectOptions options = new MqttConnectOptions();

    options.setSocketFactory(socketFactory);
    options.setCleanSession(client.isCleanSession());
    options.setConnectionTimeout(client.getConnectionTimeout() / 1000);
    options.setKeepAliveInterval(client.getKeepAliveInterval() / 1000);
    if(client.isClientEnableMetrics()) {
        options.setUserName(USERNAME_METRIC_STRING);
    }

    Set<String> serverUris = getServerUris();
    if (serverUris != null && !serverUris.isEmpty()) {
        String[] uriArray = new String[serverUris.size()];
        serverUris.toArray(uriArray);
        options.setServerURIs(uriArray);
    }

    if (client.getWillMessage() != null) {
        AWSIotMessage message = client.getWillMessage();

        options.setWill(message.getTopic(), message.getPayload(), message.getQos().getValue(), false);
    }

    return options;
}

Example 5

Source File: MainActivity.java From Sparkplug with Eclipse Public License 1.0

6 votes

public void connect(Connection connection) {
    String[] actionArgs = new String[1];
    actionArgs[0] = connection.getId();
    final ActionListener callback = new ActionListener(this,
            ActionListener.Action.CONNECT, connection, actionArgs);
    connection.getClient().setCallback(new MqttCallbackHandler(this, connection.handle()));
    try {
        MqttConnectOptions mqttConnectOptions = connection.getConnectionOptions();
        SparkplugBPayloadBuilder deathPayload = new SparkplugBPayloadBuilder().setTimestamp(new Date());
        deathPayload = connection.addBdSeqNum(deathPayload);
        byte [] deathBytes = new SparkplugBPayloadEncoder().getBytes(deathPayload.createPayload());
        String lwtTopic = "spBv1.0/" + connection.getGroupId() + "/NDEATH/" + connection.getEdgeNodeId();
        Log.d(TAG, "1. Setting up LWT: " + lwtTopic);
        mqttConnectOptions.setWill(lwtTopic, deathBytes, 0, false);

        connection.getClient().connect(mqttConnectOptions, null, callback);
    }
    catch (Exception e) {
        Log.e(this.getClass().getCanonicalName(),
                "Exception occurred", e);
    }
}

Example 6

Source File: Producer.java From jmqtt with Apache License 2.0

5 votes

private static MqttClient getMqttClient(){
    try {
        MqttClient pubClient = new MqttClient(broker,clientId,new MemoryPersistence());
        MqttConnectOptions connectOptions = new MqttConnectOptions();
        connectOptions.setWill("lwt","this is a will message".getBytes(),1,false);
        connectOptions.setCleanSession(true);
        System.out.println("Connecting to broker: " + broker);
        pubClient.connect(connectOptions);
        return pubClient;
    } catch (MqttException e) {
        e.printStackTrace();
    }
    return null;
}

Example 7

Source File: MQTT_PVConn.java From phoebus with Eclipse Public License 1.0

5 votes

private void setOptions()
{
    connOpt = new MqttConnectOptions();

    connOpt.setCleanSession(true);
    connOpt.setKeepAliveInterval(30);
    connOpt.setWill("ERROR", "PV Disconnected".getBytes(), 0, true);
    //connOpt.setUserName(userName);
    //connOpt.setPassword(passWord.getBytes());
    //TODO: Look up best practices for reconnect
}

Example 8

Source File: ManagerMQTT.java From helloiot with GNU General Public License v3.0

5 votes

@Override
public void connect() {

    String[] listtopics = worktopics.toArray(new String[worktopics.size()]);
    int[] listqos = new int[workqos.size()];
    for (int i = 0; i < workqos.size(); i++) {
        listqos[i] = workqos.get(i);
    }

    try {
        mqttClient = new MqttClient(url, clientid, new MemoryPersistence());
        MqttConnectOptions options = new MqttConnectOptions();
        if (!Strings.isNullOrEmpty(username)) {
            options.setUserName(username);
            options.setPassword(password.toCharArray());
        }
        options.setConnectionTimeout(timeout);
        options.setKeepAliveInterval(keepalive);
        options.setMqttVersion(version);
        options.setCleanSession(true);
        options.setAutomaticReconnect(false);
        options.setMaxInflight(maxinflight);
        options.setSSLProperties(sslproperties);
        options.setWill(topicsys + "app/" + clientid, new StringFormatSwitch().devalue(MiniVarBoolean.FALSE), 0, true);
        mqttClient.connect(options);
        mqttClient.setCallback(this);
        if (listtopics.length > 0) {
            mqttClient.subscribe(listtopics, listqos);
        }
        statusPublish(MiniVarBoolean.TRUE);
    } catch (MqttException ex) {
        logger.log(Level.WARNING, null, ex);
        throw new RuntimeException(String.format(resources.getString("exception.mqtt"), url), ex);
    }
}

Example 9

Source File: MqttMain.java From Ardulink-1 with Apache License 2.0

5 votes

private MqttConnectOptions mqttConnectOptions() {
	MqttConnectOptions options = new MqttConnectOptions();
	String clientInfoTopic = publishClientInfoTopic;
	if (!nullOrEmpty(clientInfoTopic)) {
		options.setWill(clientInfoTopic, FALSE.toString().getBytes(),
				0, RETAINED);
	}
	return options;
}

Example 10

Source File: ApplozicMqttService.java From Applozic-Android-SDK with BSD 3-Clause "New" or "Revised" License

5 votes

private MqttConnectOptions getConnectionOptions() {
    MobiComUserPreference userPreference = MobiComUserPreference.getInstance(context);
    String authToken = userPreference.getUserAuthToken();

    MqttConnectOptions connOpts = new MqttConnectOptions();

    if (!TextUtils.isEmpty(authToken)) {
        connOpts.setUserName(getApplicationKey(context));
        connOpts.setPassword(authToken.toCharArray());
    }
    connOpts.setConnectionTimeout(60);
    connOpts.setWill(STATUS, (userPreference.getSuUserKeyString() + "," + userPreference.getDeviceKeyString() + "," + "0").getBytes(), 0, true);
    return connOpts;
}

Example 11

Source File: AbstractMQTTProcessor.java From nifi with Apache License 2.0

5 votes

protected void onScheduled(final ProcessContext context){
    broker = context.getProperty(PROP_BROKER_URI).getValue();
    clientID = context.getProperty(PROP_CLIENTID).evaluateAttributeExpressions().getValue();

    if (clientID == null) {
        clientID = UUID.randomUUID().toString();
    }

    connOpts = new MqttConnectOptions();
    connOpts.setCleanSession(context.getProperty(PROP_CLEAN_SESSION).asBoolean());
    connOpts.setKeepAliveInterval(context.getProperty(PROP_KEEP_ALIVE_INTERVAL).asInteger());
    connOpts.setMqttVersion(context.getProperty(PROP_MQTT_VERSION).asInteger());
    connOpts.setConnectionTimeout(context.getProperty(PROP_CONN_TIMEOUT).asInteger());

    PropertyValue sslProp = context.getProperty(PROP_SSL_CONTEXT_SERVICE);
    if (sslProp.isSet()) {
        Properties sslProps = transformSSLContextService((SSLContextService) sslProp.asControllerService());
        connOpts.setSSLProperties(sslProps);
    }

    PropertyValue lastWillTopicProp = context.getProperty(PROP_LAST_WILL_TOPIC);
    if (lastWillTopicProp.isSet()){
        String lastWillMessage = context.getProperty(PROP_LAST_WILL_MESSAGE).getValue();
        PropertyValue lastWillRetain = context.getProperty(PROP_LAST_WILL_RETAIN);
        Integer lastWillQOS = context.getProperty(PROP_LAST_WILL_QOS).asInteger();
        connOpts.setWill(lastWillTopicProp.getValue(), lastWillMessage.getBytes(), lastWillQOS, lastWillRetain.isSet() ? lastWillRetain.asBoolean() : false);
    }


    PropertyValue usernameProp = context.getProperty(PROP_USERNAME);
    if(usernameProp.isSet()) {
        connOpts.setUserName(usernameProp.getValue());
        connOpts.setPassword(context.getProperty(PROP_PASSWORD).getValue().toCharArray());
    }
}

Example 12

Source File: AbstractMQTTProcessor.java From localization_nifi with Apache License 2.0

4 votes

protected void buildClient(ProcessContext context){
    try {
        broker = context.getProperty(PROP_BROKER_URI).getValue();
        clientID = context.getProperty(PROP_CLIENTID).getValue();

        connOpts = new MqttConnectOptions();
        connOpts.setCleanSession(context.getProperty(PROP_CLEAN_SESSION).asBoolean());
        connOpts.setKeepAliveInterval(context.getProperty(PROP_KEEP_ALIVE_INTERVAL).asInteger());
        connOpts.setMqttVersion(context.getProperty(PROP_MQTT_VERSION).asInteger());
        connOpts.setConnectionTimeout(context.getProperty(PROP_CONN_TIMEOUT).asInteger());

        PropertyValue sslProp = context.getProperty(PROP_SSL_CONTEXT_SERVICE);
        if (sslProp.isSet()) {
            Properties sslProps = transformSSLContextService((SSLContextService) sslProp.asControllerService());
            connOpts.setSSLProperties(sslProps);
        }

        PropertyValue lastWillTopicProp = context.getProperty(PROP_LAST_WILL_TOPIC);
        if (lastWillTopicProp.isSet()){
            String lastWillMessage = context.getProperty(PROP_LAST_WILL_MESSAGE).getValue();
            PropertyValue lastWillRetain = context.getProperty(PROP_LAST_WILL_RETAIN);
            Integer lastWillQOS = context.getProperty(PROP_LAST_WILL_QOS).asInteger();
            connOpts.setWill(lastWillTopicProp.getValue(), lastWillMessage.getBytes(), lastWillQOS, lastWillRetain.isSet() ? lastWillRetain.asBoolean() : false);
        }


        PropertyValue usernameProp = context.getProperty(PROP_USERNAME);
        if(usernameProp.isSet()) {
            connOpts.setUserName(usernameProp.getValue());
            connOpts.setPassword(context.getProperty(PROP_PASSWORD).getValue().toCharArray());
        }

        mqttClientConnectLock.writeLock().lock();
        try{
            mqttClient = getMqttClient(broker, clientID, persistence);

        } finally {
            mqttClientConnectLock.writeLock().unlock();
        }
    } catch(MqttException me) {
        logger.error("Failed to initialize the connection to the  " + me.getMessage());
    }
}

Example 13

Source File: SparkplugRaspberryPiExample.java From Sparkplug with Eclipse Public License 1.0

4 votes

/**
 * Establish an MQTT Session with Sparkplug defined Death Certificate. It may not be
 * Immediately intuitive that the Death Certificate is created prior to publishing the
 * Birth Certificate, but the Death Certificate is actually part of the MQTT Session 
 * establishment. For complete details of the actual MQTT wire protocol refer to the 
 * latest OASyS MQTT V3.1.1 standards at:
 * http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/mqtt-v3.1.1.html
 * 
 * @return true = MQTT Session Established
 */
public boolean establishMqttSession() {
	try {

		//
		// Setup the MQTT connection parameters using the Paho MQTT Client.
		//
		MqttConnectOptions options = new MqttConnectOptions();
		
		if (USING_REAL_TLS) {
			SocketFactory sf = SSLSocketFactory.getDefault();
			options.setSocketFactory(sf);
		}
		
		// Autoreconnect enable
		options.setAutomaticReconnect(true);
		// MQTT session parameters Clean Start = true
		options.setCleanSession(true);
		// Session connection attempt timeout period in seconds
		options.setConnectionTimeout(10);
		// MQTT session parameter Keep Alive Period in Seconds
		options.setKeepAliveInterval(30);
		// MQTT Client Username
		options.setUserName(username);
		// MQTT Client Password
		options.setPassword(password.toCharArray());
		//
		// Build up the Death Certificate MQTT Payload. Note that the Death
		// Certificate payload sequence number
		// is not tied to the normal message sequence numbers.
		//
		SparkplugBPayload payload = new SparkplugBPayloadBuilder(getNextSeqNum())
				.setTimestamp(new Date())
				.addMetric(new MetricBuilder("bdSeq",
						MetricDataType.Int64,
						bdSeq)
						.createMetric())
				.createPayload();
		byte[] bytes = new SparkplugBPayloadEncoder().getBytes(payload);
		//
		// Setup the Death Certificate Topic/Payload into the MQTT session
		// parameters
		//
		options.setWill(NAMESPACE + "/" + groupId + "/NDEATH/" + edgeNode, bytes, 0, false);

		//
		// Create a new Paho MQTT Client
		//
		client = new MqttClient(serverUrl, clientId);
		//
		// Using the parameters set above, try to connect to the define MQTT
		// server now.
		//
		System.out.println("Trying to establish an MQTT Session to the MQTT Server @ :" + serverUrl);
		client.connect(options);
		System.out.println("MQTT Session Established");
		client.setCallback(this);
		//
		// With a successful MQTT Session in place, now issue subscriptions
		// for the EoN Node and Device "Command" Topics of 'NCMD' and 'DCMD'
		// defined in Sparkplug
		//
		client.subscribe(NAMESPACE + "/" + groupId + "/NCMD/" + edgeNode + "/#", 0);
		client.subscribe(NAMESPACE + "/" + groupId + "/DCMD/" + edgeNode + "/#", 0);
	} catch (Exception e) {
		System.out.println("Error Establishing an MQTT Session:");
		e.printStackTrace();
		return false;
	}
	return true;
}

Example 14

Source File: SparkplugExample.java From Sparkplug with Eclipse Public License 1.0

4 votes

public void run() {
	try {
		// Random generator and thread pool for outgoing published messages
		executor = Executors.newFixedThreadPool(1);
		
		// Build up DEATH payload - note DEATH payloads don't have a regular sequence number
		SparkplugBPayloadBuilder deathPayload = new SparkplugBPayloadBuilder().setTimestamp(new Date());
		deathPayload = addBdSeqNum(deathPayload);
		byte [] deathBytes = new SparkplugBPayloadEncoder().getBytes(deathPayload.createPayload());
		
		MqttConnectOptions options = new MqttConnectOptions();
		
		if (USING_REAL_TLS) {
			SocketFactory sf = SSLSocketFactory.getDefault();
			options.setSocketFactory(sf);
		}
		
		// Connect to the MQTT Server
		options.setAutomaticReconnect(true);
		options.setCleanSession(true);
		options.setConnectionTimeout(30);
		options.setKeepAliveInterval(30);
		options.setUserName(username);
		options.setPassword(password.toCharArray());
		options.setWill(NAMESPACE + "/" + groupId + "/NDEATH/" + edgeNode, deathBytes, 0, false);
		client = new MqttClient(serverUrl, clientId);
		client.setTimeToWait(2000);	
		client.setCallback(this);					// short timeout on failure to connect
		client.connect(options);
		
		// Subscribe to control/command messages for both the edge of network node and the attached devices
		client.subscribe(NAMESPACE + "/" + groupId + "/NCMD/" + edgeNode + "/#", 0);
		client.subscribe(NAMESPACE + "/" + groupId + "/DCMD/" + edgeNode + "/#", 0);	
		client.subscribe(NAMESPACE + "/#", 0);	
		
		// Loop forever publishing data every PUBLISH_PERIOD
		while (true) {
			Thread.sleep(PUBLISH_PERIOD);

			if (client.isConnected()) {
				synchronized(seqLock) {
					System.out.println("Connected - publishing new data");
					// Create the payload and add some metrics
					SparkplugBPayload payload = new SparkplugBPayload(
							new Date(), 
							newMetrics(false), 
							getSeqNum(),
							newUUID(), 
							null);
					
					client.publish(NAMESPACE + "/" + groupId + "/DDATA/" + edgeNode + "/" + deviceId, 
							new SparkplugBPayloadEncoder().getBytes(payload), 0, false);
				}
			} else {
				System.out.println("Not connected - not publishing data");
			}
		}
	} catch(Exception e) {
		e.printStackTrace();
	}
}

Example 15

Source File: SparkplugExample.java From Sparkplug with Eclipse Public License 1.0

4 votes

public void run() {
	try {
		// Random generator and thread pool for outgoing published messages
		executor = Executors.newFixedThreadPool(1);
		
		// Build up DEATH payload - note DEATH payloads don't have a regular sequence number
		SparkplugBPayloadBuilder deathPayload = new SparkplugBPayloadBuilder().setTimestamp(new Date());
		deathPayload = addBdSeqNum(deathPayload);
		byte [] deathBytes = new SparkplugBPayloadEncoder().getBytes(deathPayload.createPayload());
		
		MqttConnectOptions options = new MqttConnectOptions();
		
		if (USING_REAL_TLS) {
			SocketFactory sf = SSLSocketFactory.getDefault();
			options.setSocketFactory(sf);
		}
		
		// Connect to the MQTT Server
		options.setAutomaticReconnect(true);
		options.setCleanSession(true);
		options.setConnectionTimeout(30);
		options.setKeepAliveInterval(30);
		options.setUserName(username);
		options.setPassword(password.toCharArray());
		options.setWill(NAMESPACE + "/" + groupId + "/NDEATH/" + edgeNode, deathBytes, 0, false);
		client = new MqttClient(serverUrl, clientId);
		client.setTimeToWait(30000);	
		client.setCallback(this);					// short timeout on failure to connect
		client.connect(options);
		
		// Subscribe to control/command messages for both the edge of network node and the attached devices
		client.subscribe(NAMESPACE + "/" + groupId + "/NCMD/" + edgeNode + "/#", 0);
		client.subscribe(NAMESPACE + "/" + groupId + "/DCMD/" + edgeNode + "/#", 0);
		

		List<Metric> nodeMetrics = new ArrayList<Metric>();
		List<Metric> deviceMetrics = new ArrayList<Metric>();
		
		// Loop forever publishing data every PUBLISH_PERIOD
		while (true) {
			Thread.sleep(PUBLISH_PERIOD);
			
			synchronized(seqLock) {
				if (client.isConnected()) {

					System.out.println("Time: " + calendar.getTimeInMillis() + "  Index: " + index);
					
					// Add a 'real time' metric
					nodeMetrics.add(new MetricBuilder("MyNodeMetric", Int32, index)
							.timestamp(calendar.getTime())
							.createMetric());

					// Add a 'real time' metric
					deviceMetrics.add(new MetricBuilder("MyDeviceMetric", Int32, index+50)
							.timestamp(calendar.getTime())
							.createMetric());

					// Publish, increment the calendar and index and reset
					calendar.add(Calendar.MILLISECOND, 1);
					if (index == 50) {
						index = 0;
						
						System.out.println("nodeMetrics: " + nodeMetrics.size());
						System.out.println("deviceMetrics: " + deviceMetrics.size());

						SparkplugBPayload nodePayload = new SparkplugBPayload(
								new Date(), 
								nodeMetrics, 
								getSeqNum(),
								null, 
								null);
						
						client.publish(NAMESPACE + "/" + groupId + "/NDATA/" + edgeNode, 
								new SparkplugBPayloadEncoder().getBytes(nodePayload), 0, false);
						
						SparkplugBPayload devicePayload = new SparkplugBPayload(
								new Date(),
								deviceMetrics,
								getSeqNum(),
								null, 
								null);

						client.publish(NAMESPACE + "/" + groupId + "/DDATA/" + edgeNode + "/" + deviceId, 
								new SparkplugBPayloadEncoder().getBytes(devicePayload), 0, false);
						
						nodeMetrics = new ArrayList<Metric>();
						deviceMetrics = new ArrayList<Metric>();
					} else {
						index++;
					}
				} else {
					System.out.println("Not connected - not publishing data");
				}
			}
		}
	} catch(Exception e) {
		e.printStackTrace();
	}
}

Example 16

Source File: SparkplugExample.java From Sparkplug with Eclipse Public License 1.0

4 votes

public void run() {
	try {
		// Random generator and thread pool for outgoing published messages
		executor = Executors.newFixedThreadPool(1);

		// Build up DEATH payload - note DEATH payloads don't have a regular sequence number
		SparkplugBPayloadBuilder deathPayload = new SparkplugBPayloadBuilder().setTimestamp(new Date());
		deathPayload = addBdSeqNum(deathPayload);
		byte[] deathBytes = new SparkplugBPayloadEncoder().getBytes(deathPayload.createPayload());

		MqttConnectOptions options = new MqttConnectOptions();

		if (USING_REAL_TLS) {
			SocketFactory sf = SSLSocketFactory.getDefault();
			options.setSocketFactory(sf);
		}

		// Connect to the MQTT Server
		options.setAutomaticReconnect(true);
		options.setCleanSession(true);
		options.setConnectionTimeout(30);
		options.setKeepAliveInterval(30);
		options.setUserName(username);
		options.setPassword(password.toCharArray());
		options.setWill(NAMESPACE + "/" + groupId + "/NDEATH/" + edgeNode, deathBytes, 0, false);
		client = new MqttClient(serverUrl, clientId);
		client.setTimeToWait(2000);
		client.setCallback(this); // short timeout on failure to connect
		client.connect(options);

		// Subscribe to control/command messages for both the edge of network node and the attached devices
		client.subscribe(NAMESPACE + "/" + groupId + "/NCMD/" + edgeNode + "/#", 0);
		client.subscribe(NAMESPACE + "/" + groupId + "/DCMD/" + edgeNode + "/#", 0);

		// Loop forever publishing data every PUBLISH_PERIOD
		while (true) {
			Thread.sleep(PUBLISH_PERIOD);

			if (client.isConnected()) {
				synchronized (seqLock) {
					System.out.println("Connected - publishing new data");
					// Create the payload and add some metrics
					SparkplugBPayload payload = new SparkplugBPayload(new Date(), newComplexTemplateInstance(),
							getSeqNum(), newUUID(), null);

					client.publish(NAMESPACE + "/" + groupId + "/DDATA/" + edgeNode + "/" + deviceId,
							new SparkplugBPayloadEncoder().getBytes(payload), 0, false);
				}
			} else {
				System.out.println("Not connected - not publishing data");
			}
		}
	} catch (Exception e) {
		e.printStackTrace();
	}
}