org.eclipse.paho.client.mqttv3.IMqttClient Java Examples

public static List<CompletableFuture<MqttMessage>> subscribeAndReceiveMessages(IMqttClient client, String address, int size, int qos) throws MqttException {
    List<CompletableFuture<MqttMessage>> receiveFutures = Stream.generate(CompletableFuture<MqttMessage>::new)
            .limit(size)
            .collect(Collectors.toList());

    Iterator<CompletableFuture<MqttMessage>> resultItr = receiveFutures.iterator();
    client.subscribe(address, qos, (t, m) -> {
        assertThat("Unexpected message", resultItr.hasNext(), is(true));
        log.debug("Received expected message: {}, Topic: {}", m, t);
        resultItr.next().complete(m);
    });
    return receiveFutures;
}
 

public static List<CompletableFuture<Void>> publish(IMqttClient client, String address, List<MqttMessage> messages) throws MqttException {

        List<CompletableFuture<Void>> futures = Stream.generate(CompletableFuture<Void>::new)
                .limit(messages.size())
                .collect(Collectors.toList());
        Iterator<CompletableFuture<Void>> resultItr = futures.iterator();
        client.setCallback((MqttDeliveryCompleteCallback) token -> resultItr.next().complete(null));
        for (MqttMessage message : messages) {
            client.publish(address, message);
        }

        return futures;
    }
 

public IMqttClient create() throws Exception {
    setSslContext();
    return MqttClientFactory.create(MqttClient::new, DelegatingMqttClient::new, endpoint, options, clientId);
}
 

public EngineTemperatureSensor(IMqttClient client) {
    this.client = client;
}
 

@Override
public IMqttClient createMqttClient(String broker, String clientID, MemoryPersistence persistence) throws MqttException {
    mqttTestClient =  new MqttTestClient(broker, clientID, MqttTestClient.ConnectType.Publisher);
    return mqttTestClient;
}
 

private static boolean isConnected(AbstractMQTTProcessor processor) throws NoSuchFieldException, IllegalAccessException {
    Field f = AbstractMQTTProcessor.class.getDeclaredField("mqttClient");
    f.setAccessible(true);
    IMqttClient mqttClient = (IMqttClient) f.get(processor);
    return mqttClient.isConnected();
}
 

@Override
public IMqttClient createMqttClient(String broker, String clientID, MemoryPersistence persistence) throws MqttException {
    mqttTestClient =  new MqttTestClient(broker, clientID, MqttTestClient.ConnectType.Subscriber);
    return mqttTestClient;
}
 

protected IMqttClient createMqttClient(String broker, String clientID, MemoryPersistence persistence) throws MqttException {
    return new MqttClient(broker, clientID, persistence);
}
 

public DelegatingMqttClient(IMqttClient mqttClient, MqttConnectOptions options) {
    this.mqttClient = mqttClient;
    this.options = options;
}
 

protected IMqttClient getMqttClient(String broker, String clientID, MemoryPersistence persistence) throws MqttException {
    return new MqttClient(broker, clientID, persistence);
}
 

public IMqttClient create() throws Exception {
    return new Builder().create();
}
 

public void setMqttAdapterClient(IMqttClient mqttAdapterClient) {
    this.mqttAdapterClient = mqttAdapterClient;
}
 

public IMqttClient getMqttAdapterClient() {
    return mqttAdapterClient;
}
 

@Override
public IMqttClient getMqttClient(String broker, String clientID, MemoryPersistence persistence) throws MqttException {
    mqttTestClient =  new MqttTestClient(broker, clientID, MqttTestClient.ConnectType.Publisher);
    return mqttTestClient;
}
 

private static boolean isConnected(AbstractMQTTProcessor processor) throws NoSuchFieldException, IllegalAccessException {
    Field f = AbstractMQTTProcessor.class.getDeclaredField("mqttClient");
    f.setAccessible(true);
    IMqttClient mqttClient = (IMqttClient) f.get(processor);
    return mqttClient.isConnected();
}
 

@Override
public IMqttClient getMqttClient(String broker, String clientID, MemoryPersistence persistence) throws MqttException {
    mqttTestClient =  new MqttTestClient(broker, clientID, MqttTestClient.ConnectType.Subscriber);
    return mqttTestClient;
}
 

/**
 * @param mqttClient
 * @param reportStream
 */
public MqttV3Receiver(IMqttClient mqttClient, PrintStream reportStream) {

    this.reportStream = reportStream;
    connected = true;

    clientId = mqttClient.getClientId();

}