Example usage for com.rabbitmq.client ConnectionFactory newConnection

List of usage examples for com.rabbitmq.client ConnectionFactory newConnection

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Introduction

In this page you can find the example usage for com.rabbitmq.client ConnectionFactory newConnection.

Prototype

public Connection newConnection(ExecutorService executor) throws IOException, TimeoutException

Source Link

Document

Create a new broker connection.

Usage

From source file:com.flipkart.bifrost.framework.Connection.java

License:Apache License

/**
 * Start the connection. This will try to connect to the cluster hosts provided in the contructor.
 * Will throw an error in case of failure.
 * @throws BifrostException in case of connection failure.
 *//*from w w w  .j  a v a 2 s. co  m*/
public void start() throws BifrostException {
    ConnectionFactory connectionFactory = new ConnectionFactory();
    Address brokers[] = new Address[hosts.size()];
    int i = 0;
    for (String member : hosts) {
        brokers[i++] = new Address(member);
    }
    connectionFactory.setUsername(username);
    connectionFactory.setPassword(password);
    connectionFactory.setAutomaticRecoveryEnabled(true);
    connectionFactory.setTopologyRecoveryEnabled(true);
    try {
        connection = connectionFactory.newConnection(brokers);
    } catch (IOException e) {
        throw new BifrostException(BifrostException.ErrorCode.IO_ERROR, "Could not connect", e);
    }
}

From source file:com.sitewhere.rabbitmq.RabbitMqInboundEventReceiver.java

License:Open Source License

@Override
public void start() throws SiteWhereException {
    executors = Executors.newFixedThreadPool(getNumConsumers());
    try {//  w ww  . j av a2 s  .c om
        ConnectionFactory factory = new ConnectionFactory();
        factory.setUri(getConnectionUri());
        this.connection = factory.newConnection(executors);
        this.channel = connection.createChannel();

        LOGGER.info("RabbitMQ receiver connected to: " + getConnectionUri());

        channel.queueDeclare(getQueueName(), isDurable(), false, false, null);

        LOGGER.info("RabbitMQ receiver using " + (isDurable() ? "durable " : "") + "queue: " + getQueueName());

        // Add consumer callback for channel.
        Consumer consumer = new DefaultConsumer(channel) {

            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                    byte[] body) throws IOException {
                EventProcessingLogic.processRawPayload(RabbitMqInboundEventReceiver.this, body, null);
            }
        };
        channel.basicConsume(getQueueName(), true, consumer);
    } catch (Exception e) {
        throw new SiteWhereException("Unable to start RabbitMQ event receiver.", e);
    }
}

From source file:com.zero_x_baadf00d.play.module.rabbitmq.RabbitMQModuleImpl.java

License:Open Source License

/**
 * Build an instance./*from  w  w w.java  2 s .  c  o  m*/
 *
 * @param lifecycle     The current application lifecyle
 * @param configuration The current application configuration
 * @since 16.05.19
 */
@Inject
public RabbitMQModuleImpl(final ApplicationLifecycle lifecycle, final Config configuration) {
    this.configuration = configuration;
    try {
        final String uri = configuration.getString(RabbitMQModuleImpl.RABBITMQ_CONN_URI);
        if (uri == null || uri.isEmpty()) {
            throw new RuntimeException("URI is empty");
        }
        final ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setUri(uri);
        connectionFactory
                .setRequestedHeartbeat(configuration.getInt(RabbitMQModuleImpl.RABBITMQ_CONN_HEARTBEAT));
        connectionFactory
                .setNetworkRecoveryInterval(configuration.getInt(RabbitMQModuleImpl.RABBITMQ_CONN_RECOVERY));
        connectionFactory.setConnectionTimeout(configuration.getInt(RabbitMQModuleImpl.RABBITMQ_CONN_TIMEOUT));
        connectionFactory.setAutomaticRecoveryEnabled(
                configuration.getBoolean(RabbitMQModuleImpl.RABBITMQ_AUTO_RECOVERY));
        if (uri.toLowerCase(Locale.ENGLISH).startsWith("amqps://")) {
            connectionFactory.useSslProtocol();
        }

        final ExecutorService es = Executors
                .newFixedThreadPool(configuration.getInt(RabbitMQModuleImpl.RABBITMQ_EXECUTOR));
        this.rabbitConnection = connectionFactory.newConnection(es);
        RabbitMQModuleImpl.LOGGER.info("RabbitMQ connected at {}",
                String.format("amqp%s://%s:%d/%s", connectionFactory.isSSL() ? "s" : "",
                        connectionFactory.getHost(), connectionFactory.getPort(),
                        connectionFactory.getVirtualHost()));
    } catch (Exception ex) {
        this.rabbitConnection = null;
        if (!this.configuration.getBoolean(RabbitMQModuleImpl.RABBITMQ_BYPASS_ERROR)) {
            RabbitMQModuleImpl.LOGGER.error("Can't initialize RabbitMQ module", ex);
            throw new RuntimeException(ex);
        } else {
            RabbitMQModuleImpl.LOGGER.warn("Can't initialize RabbitMQ module: {}", ex.getMessage());
        }
    }

    lifecycle.addStopHook(() -> {
        RabbitMQModuleImpl.LOGGER.info("Shutting down RabbitMQ");
        if (this.rabbitConnection != null) {
            this.rabbitConnection.close();
        }
        return CompletableFuture.completedFuture(null);
    });
}

From source file:dk.au.cs.karibu.backend.rabbitmq.RabbitMQPollingConsumer.java

License:Apache License

@Override
public void openChannelAndSetRouting() throws IOException {
    theLogger.info(// w w  w  . j a  va  2  s .  c  o  m
            "openChannelAndSetRouting: Exchange:" + exchangeConfiguration + " Queue: " + queueConfiguration);
    ConnectionFactory factory = new ConnectionFactory();
    factory.setUsername(exchangeConfiguration.getUsername());
    factory.setPassword(exchangeConfiguration.getPassword());
    if (exchangeConfiguration.isSSLConnection()) {
        try {
            factory.useSslProtocol();
        } catch (KeyManagementException e) {
            String trace = ExceptionUtils.getStackTrace(e);
            theLogger.error("KeyMgtException: " + trace);
        } catch (NoSuchAlgorithmException e) {
            String trace = ExceptionUtils.getStackTrace(e);
            theLogger.error("NoSuchAlgoritmException: " + trace);
        }
    }
    connection = factory.newConnection(exchangeConfiguration.getServerAddressList());

    channel = connection.createChannel();
    channel.exchangeDeclare(exchangeConfiguration.getExchangeName(), exchangeConfiguration.getExchangeType(),
            exchangeConfiguration.isExchangeDurable());

    // 'RabbitMQ in Action' p 102 
    Map<String, Object> moreArguments = new HashMap<String, Object>();
    moreArguments.put("ha-mode", "all");
    moreArguments.put("x-ha-policy", "all");
    // TODO: find out why this does not work! 
    channel.queueDeclare(queueConfiguration.getQueueName(), queueConfiguration.isQueueDurable(),
            queueConfiguration.isQueueExclusive(), queueConfiguration.isQueueAutoDelete(), moreArguments);
    channel.queueBind(queueConfiguration.getQueueName(), exchangeConfiguration.getExchangeName(),
            queueConfiguration.getRoutingKey());

    consumer = new QueueingConsumer(channel);
    // Tell RabbitMQ to await acknowledgement before removing
    // msg from the queue. See http://www.rabbitmq.com/tutorials/tutorial-two-java.html
    boolean autoAck = false;
    channel.basicConsume(queueConfiguration.getQueueName(), autoAck, consumer);
    // Set the prefetch count to limit the amount of msg sent
    // to the daemons before they are acknowledged. Fixes a
    // bug that would induce an out-of-memory error in the
    // daemons during high transfer rates.
    // See http://www.rabbitmq.com/tutorials/tutorial-two-java.html 
    // in the 'fair dispatch' section
    int prefetchCount = 100; // ISSUE: what is the 'right' value here?
    channel.basicQos(prefetchCount);
}

From source file:dk.au.cs.karibu.producer.rabbitmq.RabbitChannelConnector.java

License:Apache License

@Override
public void openConnection() throws IOException {
    theLogger.info("openConnection: " + exchangeConfiguration);
    ConnectionFactory factory = new ConnectionFactory();
    factory.setUsername(exchangeConfiguration.getUsername());
    factory.setPassword(exchangeConfiguration.getPassword());
    if (exchangeConfiguration.isSSLConnection()) {
        try {//from w  w  w. ja  v  a 2s .  c  o m
            factory.useSslProtocol();
        } catch (KeyManagementException e) {
            theLogger.error("KeyManagementException: " + e.getLocalizedMessage());
        } catch (NoSuchAlgorithmException e) {
            theLogger.error("NoSuchAlgorithmException: " + e.getLocalizedMessage());
        }
    }
    connection = factory.newConnection(exchangeConfiguration.getServerAddressList());

    channel = connection.createChannel();
    channel.exchangeDeclare(exchangeConfiguration.getExchangeName(), exchangeConfiguration.getExchangeType(),
            exchangeConfiguration.isExchangeDurable());

    // The queue and the binding between queue and exchange is defined by the server side! 
}

From source file:it.jugtorino.one.msvc.way.rabbit.geoip.reference.client.RpcClientExample.java

License:Open Source License

private static Channel setupRabbitMQ() throws IOException, TimeoutException {
    ConnectionFactory factory = new ConnectionFactory();
    Connection connection = factory.newConnection(Collections.singletonList(new Address("localhost")));
    Channel channel = connection.createChannel();
    channel.queueDeclare("geoip_service_v1", false, false, false, null);
    return channel;
}

From source file:it.jugtorino.one.msvc.way.rabbit.geoip.reference.service.Main.java

License:Open Source License

private static Channel setupRabbitMQ() throws IOException, TimeoutException {
    ConnectionFactory factory = new ConnectionFactory();
    Connection connection = factory.newConnection(Arrays.asList(new Address("localhost")));
    Channel channel = connection.createChannel();
    channel.queueDeclare("geoip_service_v1", false, false, false, null);
    return channel;
}

From source file:it.jugtorino.one.msvc.way.rabbit.reference.webapp.GeoIPResource.java

License:Open Source License

public GeoIPResource() throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    Connection connection = factory.newConnection(Collections.singletonList(new Address("localhost")));
    Channel channel = connection.createChannel();
    channel.queueDeclare("geoip_service_v1", false, false, false, null);

    client = new RpcClient(channel, "geoip_service_v1");
    client.startConsuming();/*from  w w  w  .j  a  va 2  s.co m*/
}

From source file:org.apache.pulsar.connect.rabbitmq.RabbitMQSource.java

License:Apache License

@Override
public void open(Map<String, String> config) throws Exception {
    rabbitMQConfig = RabbitMQConfig.load(config);
    if (rabbitMQConfig.getAmqUri() == null || rabbitMQConfig.getQueueName() == null) {
        throw new IllegalArgumentException("Required property not set.");
    }/*  ww w.  ja  v a 2  s. c om*/
    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.setUri(rabbitMQConfig.getAmqUri());
    rabbitMQConnection = connectionFactory.newConnection(rabbitMQConfig.getConnectionName());
    logger.info("A new connection to {}:{} has been opened successfully.",
            rabbitMQConnection.getAddress().getCanonicalHostName(), rabbitMQConnection.getPort());
    rabbitMQChannel = rabbitMQConnection.createChannel();
    rabbitMQChannel.queueDeclare(rabbitMQConfig.getQueueName(), false, false, false, null);
    com.rabbitmq.client.Consumer consumer = new RabbitMQConsumer(this.consumer, rabbitMQChannel);
    rabbitMQChannel.basicConsume(rabbitMQConfig.getQueueName(), consumer);
    logger.info("A consumer for queue {} has been successfully started.", rabbitMQConfig.getQueueName());
}

From source file:org.apache.pulsar.io.rabbitmq.RabbitMQSource.java

License:Apache License

@Override
public void open(Map<String, Object> config, SourceContext sourceContext) throws Exception {
    rabbitMQConfig = RabbitMQConfig.load(config);
    if (rabbitMQConfig.getAmqUri() == null || rabbitMQConfig.getQueueName() == null) {
        throw new IllegalArgumentException("Required property not set.");
    }/*from   w  w w  .  java2 s. c  om*/
    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.setUri(rabbitMQConfig.getAmqUri());
    rabbitMQConnection = connectionFactory.newConnection(rabbitMQConfig.getConnectionName());
    logger.info("A new connection to {}:{} has been opened successfully.",
            rabbitMQConnection.getAddress().getCanonicalHostName(), rabbitMQConnection.getPort());
    rabbitMQChannel = rabbitMQConnection.createChannel();
    rabbitMQChannel.queueDeclare(rabbitMQConfig.getQueueName(), false, false, false, null);
    com.rabbitmq.client.Consumer consumer = new RabbitMQConsumer(this, rabbitMQChannel);
    rabbitMQChannel.basicConsume(rabbitMQConfig.getQueueName(), consumer);
    logger.info("A consumer for queue {} has been successfully started.", rabbitMQConfig.getQueueName());
}