Example usage for com.rabbitmq.client Connection close

Introduction

In this page you can find the example usage for com.rabbitmq.client Connection close.

Prototype

@Override
void close() throws IOException;

Source Link

Document

Close this connection and all its channels with the com.rabbitmq.client.AMQP#REPLY_SUCCESS close code and message 'OK'.

Usage

From source file:com.qt.core.util.MqConnectionUtil.java

License:Open Source License

public synchronized void closeConn(String key) {
    Connection conn = getConnection(key);
    if (conn != null && conn.isOpen()) {
        try {//from  ww w.  j av a  2s . co  m
            connectionMap.remove(key);
            conn.close();
            conn = null;
        } catch (IOException e) {
            logger.error(null, e);
        }
    }

}

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From source file:com.service.OperationFacadeREST.java

@POST
@Override//  w ww . j a  v a 2 s.c  om
@Consumes({ MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
public void create(Operation entity) {
    if (!entity.getState().equals("waiting")) {
        super.create(entity);
        return;
    }
    if (entity.getOperationType())//venda
    {
        ArrayList<ClientStock> l = new ArrayList<>(getEntityManager()
                .find(Client.class, entity.getFkOwnerId().getClientId()).getClientStockCollection());
        Boolean fail = false;
        for (int i = 0; i < l.size(); i++) {
            if (l.get(i).getStock().equals(entity.getFkStockId())) {
                if (l.get(i).getQuantity() < entity.getQuantity())
                    return;
                l.get(i).setQuantity(l.get(i).getQuantity() - entity.getQuantity());
                getEntityManager().persist(l.get(i));
                entity.getFkOwnerId().setClientStockCollection(l);

                entity.setCreationDate(Date.from(Instant.now()));
                super.create(entity);
            }
        }
        if (fail)
            return;
    } else {
        entity.setCreationDate(Date.from(Instant.now()));
        if (entity.getFkStockId().getQuantity() > entity.getQuantity()) {

            System.out.println("yes");
            super.create(entity);
        } else {
            return;
        }
    }

    try {

        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();

        channel.queueDeclare("hello", false, false, false, null);
        System.out.println(super.findAll().get(super.findAll().size() - 1).getOperationId() + ","
                + entity.getFkOwnerId().getName() + "," + entity.getFkStockId().getName() + ","
                + entity.getQuantity());

        String message = super.findAll().get(super.findAll().size() - 1).getOperationId() + ","
                + entity.getFkOwnerId().getName() + "," + entity.getFkStockId().getName() + ","
                + entity.getQuantity();
        channel.basicPublish("", "hello", null, message.getBytes());
        System.out.println(" [x] Sent '" + message + "'");
        channel.close();
        connection.close();
    } catch (IOException ex) {
        Logger.getLogger(ClientFacadeREST.class.getName()).log(Level.SEVERE, null, ex);
    } catch (TimeoutException ex) {
        Logger.getLogger(ClientFacadeREST.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:com.shopwiki.roger.example.ExampleEventHandler.java

License:Apache License

public static void main(String[] args) throws Exception {

    MessageHandler<String> handler = new MessageHandler<String>() {
        @Override/*w  w  w. ja v a2s.  c  o  m*/
        public TypeReference<String> getMessageType() {
            return new TypeReference<String>() {
            };
        }

        @Override
        public void handleMessage(String name) {
            System.out.println("Hello " + name + "!");
        }
    };

    // Create the exchange if it doesn't exist.
    {
        Connection conn = connector.getConnection(1);
        Channel channel = conn.createChannel();
        channel.exchangeDeclare(route.exchange, "topic");
        conn.close();
    }

    boolean daemon = false;

    MessageWorker<String> worker = new MessageWorker<String>(connector, handler, route, daemon);
    worker.start();
}

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From source file:com.shopwiki.roger.RabbitConnector.java

License:Apache License

/**
 * Close connection if it's not null./*from ww  w.  j  a v  a  2s.  c o m*/
 * Swallow IOExceptions.
 * @param conn
 */
public static void closeConnection(Connection conn) {
    if (conn == null) {
        return;
    }

    try {
        conn.close();
    } catch (IOException e) {
        e.printStackTrace();
        //throw new RuntimeException(e);
    }
}

---

From source file:com.sitewhere.protobuf.test.ActiveMQTests.java

License:Open Source License

@Test
public void doRabbitMQTest() throws Exception {
    String exchangeName = "sitewhere";
    String queueName = "SITEWHERE.IN";
    String routingKey = "sitewhere";

    ConnectionFactory factory = new ConnectionFactory();
    factory.setUri("amqp://localhost:5672/SITEWHERE.IN");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(exchangeName, "direct", true);
    channel.queueDeclare(queueName, true, false, false, null);
    channel.queueBind(queueName, exchangeName, routingKey);

    byte[] messageBodyBytes = generateEncodedMeasurementsMessage();
    channel.basicPublish(exchangeName, routingKey, null, messageBodyBytes);

    channel.close();// ww  w .ja  v  a 2 s .co  m
    connection.close();
}

---

From source file:com.sitewhere.sources.ActiveMQTests.java

License:Open Source License

@Test
public void doRabbitMQTest() throws Exception {
    String exchangeName = "sitewhere";
    String queueName = "sitewhere.input";
    String routingKey = "sitewhere";

    ConnectionFactory factory = new ConnectionFactory();
    factory.setUri("amqp://localhost:5672");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(exchangeName, "direct", true);
    channel.queueDeclare(queueName, true, false, false, null);
    channel.queueBind(queueName, exchangeName, routingKey);

    byte[] messageBodyBytes = EventsHelper.generateEncodedMeasurementsMessage(HARDWARE_ID);
    channel.basicPublish(exchangeName, routingKey, null, messageBodyBytes);

    channel.close();/*  ww  w  . ja v a 2s.  c  o m*/
    connection.close();
}

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From source file:com.siva.rabbitmq.AmqpMsgPublisher.java

public static void main(String[] argv) throws Exception {

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    factory.setUsername("admin");
    factory.setPassword("welcome01");
    factory.setPort(5672);//from w  ww . j ava 2 s  . c  o  m
    factory.setVirtualHost("/admin_vhost");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(EXCHANGE_NAME, "topic", true);

    String routingKey = "mqtt_topic.iot.admin_vhost";
    String message = "Test Message from IoT";

    channel.basicPublish(EXCHANGE_NAME, routingKey, null, message.getBytes());
    System.out.println(" [x] Sent '" + routingKey + "':'" + message + "'");

    connection.close();
}

---

From source file:com.trivago.mail.pigeon.daemon.Daemon.java

License:Apache License

/**
 * Main Daemon method containing the event loop.
 *
 * @param args command line args/*from  w  ww. j a  v a2 s  .  c  om*/
 * @throws java.io.IOException
 */
public static void main(String[] args) throws IOException {

    Connection conn = null;
    Channel channel = null;

    try {
        conn = ConnectionPool.getConnection();
        channel = conn.createChannel();

        boolean autoAck = false;
        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume(channelName, autoAck, consumer);
        MailFacade mailFacade = new MailFacade();

        while (true) {
            QueueingConsumer.Delivery delivery;
            try {
                delivery = consumer.nextDelivery();
            } catch (InterruptedException ie) {
                continue;
            }

            String jsonContent = new String(delivery.getBody());
            MailTransport mailTransport = JSONParser.defaultJSONParser().parse(MailTransport.class,
                    jsonContent);
            mailFacade.sendMail(mailTransport);
            channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
        }

    } finally {
        if (channel != null) {
            channel.close();
        }
        if (conn != null) {
            conn.close();
        }
    }
}

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From source file:com.UseCaseSimpleConsumer.java

License:Open Source License

public static void main(String[] argv) throws java.io.IOException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    try {/*from   ww  w .ja v a  2 s .c om*/
        channel.exchangeDeclarePassive(EXCHANGE_NAME);
    } catch (java.io.IOException e) {
        if (!channel.isOpen())
            channel = connection.createChannel();
        channel.exchangeDeclare(EXCHANGE_NAME, "direct");
    }
    try {
        channel.queueDeclarePassive(ROUTE_KEY);
    } catch (java.io.IOException e) {
        if (!channel.isOpen())
            channel = connection.createChannel();
        channel.queueDeclare(ROUTE_KEY, false, false, false, null);
    }

    channel.queueBind(ROUTE_KEY, EXCHANGE_NAME, ROUTE_KEY);

    String param = "IBM";
    String msg = "<m:placeOrder xmlns:m=\"http://services.samples\">\n" + "    <m:order>\n"
            + "        <m:price>" + getRandom(100, 0.9, true) + "</m:price>\n" + "        <m:quantity>"
            + (int) getRandom(10000, 1.0, true) + "</m:quantity>\n" + "        <m:symbol>" + param
            + "</m:symbol>\n" + "    </m:order>\n" + "</m:placeOrder>";

    channel.basicPublish(EXCHANGE_NAME, ROUTE_KEY,
            new AMQP.BasicProperties.Builder().contentType("text/plain").build(), msg.getBytes());
    System.out.println(" [x] Sent '" + msg + "'");
    channel.close();
    connection.close();
}

---

From source file:com.vmware.bdd.utils.RabbitMQConsumer.java

License:Open Source License

/**
 * Receive and process each message until the listener indicating. A new
 * queue will be created when start and will be deleted when stopping
 * receiving message./*w w w  .  j  av a2  s .  co m*/
 * 
 * FIXME Is it a best practice to create one queue for one task? Or we should
 * create one thread to handle all messages?
 * 
 * @param listener
 *           message processor callback
 * @throws IOException
 */
public void processMessage(MessageListener listener) throws IOException {
    ConnectionFactory factory = new ConnectionFactory();
    if (username != null && !username.equals("")) {
        factory.setUsername(username);
        factory.setPassword(password);
    }
    factory.setVirtualHost("/");
    factory.setHost(host);
    factory.setPort(port);

    Connection conn = factory.newConnection();
    Channel channel = conn.createChannel();

    /**
     * make exchange and queue non-durable
     */
    channel.exchangeDeclare(exchangeName, "direct", true);
    if (!getQueue) {
        channel.queueDeclare(queueName, false, true, true, null);
    } else {
        queueName = channel.queueDeclare().getQueue();
    }
    channel.queueBind(queueName, exchangeName, routingKey);

    boolean noAck = false;
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(queueName, noAck, consumer);

    while (true) {
        QueueingConsumer.Delivery delivery;
        try {
            delivery = consumer.nextDelivery(mqRecvTimeoutMs);
        } catch (InterruptedException e) {
            logger.warn("message consumer interrupted", e);
            continue;
        }

        if (delivery == null) {
            logger.debug("timeout, no message received");
            if (stopping && new Date().after(mqExpireTime)) {
                logger.error("stop receiving messages without normal termination");
                break;
            }
            continue;
        }

        String message = new String(delivery.getBody());
        if (graceStopping) {
            extendExpirationTime();
        }

        logger.info("message received: " + message);
        try {
            if (!listener.onMessage(message)) {
                logger.info("stop receiving messages normally");
                break;
            }
        } catch (Throwable t) {
            logger.error("calling message listener failed", t);
            // discard and continue in non-debug mode
            AuAssert.unreachable();
        }
        channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
    }

    try {
        channel.queueDelete(queueName);
    } catch (AlreadyClosedException e) {
        logger.error("failed to delete queue: " + queueName, e);
    }

    try {
        channel.close();
    } catch (AlreadyClosedException e) {
        logger.error("failed to close channel, queue: " + queueName, e);
    }

    try {
        conn.close();
    } catch (AlreadyClosedException e) {
        logger.error("failed to close connection, queue: " + queueName, e);
    }
}

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