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:pl.nask.hsn2.bus.rabbitmq.RbtUtils.java

License:Open Source License

/**
 * Closing quietly RabbitMQ connection./*w  w  w .j  a  va  2  s  .c om*/
 * 
 * @param connection <code>com.rabbitmq.client.Connection</code> to close.
 */
public static void closeConnection(Connection connection) {
    if (connection != null) {
        try {
            if (connection.isOpen()) {
                connection.close();
            }
        } catch (IOException ex) {
            LOGGER.debug("Ignoring Connection state exception - assuming already closed: " + ex);
        } catch (Exception ex) {
            LOGGER.debug("Unexpected exception on closing RabbitMQ Connection", ex);
        }
    }
}

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From source file:pro.foundev.examples.spark_streaming.java.interactive.querybasedconsumer.ResponseWriter.java

License:Apache License

private Messenger initRabbitMqResponseQueue() {

    ConnectionFactory factory = new ConnectionFactory();
    final Connection connection;
    final Channel channel;
    factory.setHost("localhost");
    try {/* w  ww  . jav a2s .  c om*/
        connection = factory.newConnection();
        channel = connection.createChannel();
        channel.exchangeDeclare(EXCHANGE_NAME, "fanout");
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            ResponseWriter.mainThread.interrupt();
            try {
                channel.close();
                connection.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    });
    return new MessengerImpl(channel);
}

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From source file:pro.foundev.examples.spark_streaming.java.messaging.RabbitMQEmitWarnings.java

License:Apache License

public static void main(String[] argv) throws java.io.IOException {
    String master = Args.parseMaster(argv);

    mainThread = Thread.currentThread();

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(master);/*from  ww  w . j  a  va  2  s  .c o m*/
    final Connection connection = factory.newConnection();
    final Channel channel = connection.createChannel();

    channel.exchangeDeclare(EXCHANGE_NAME, "fanout");

    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            RabbitMQEmitWarnings.mainThread.interrupt();
            try {
                channel.close();
                connection.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    });
    while (true) {
        String message = buildMessage();
        channel.basicPublish(EXCHANGE_NAME, "", null, message.getBytes());
        System.out.println(" [x] Sent '" + message + "'");
        try {
            Thread.sleep(100);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

}

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From source file:pt.ua.ies.Main.java

public static void main(String[] args) {
    try {//  w  ww . j a va2 s  .co m
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();

        channel.exchangeDeclare(EXCHANGE_NAME, "fanout");

        String message = "Random Message " + new Random().nextInt(1000);
        channel.basicPublish(EXCHANGE_NAME, "", null, message.getBytes());
        System.out.println(" [x] Sent '" + message + "'");

        /**
         * Close the channel and the connection
         */
        channel.close();
        connection.close();
    } catch (Exception ex) {
        Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:rabbitirc.RabbitIRC.java

public static void main(String[] argv) throws java.io.IOException, TimeoutException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Random rnd = new Random();
    int indeks = rnd.nextInt(usernamelist.length);
    String Randusername = usernamelist[indeks] + rnd.nextInt(100);

    user = Randusername;//  ww  w .ja  v a 2 s . com
    channellist.add("lounge");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    String queueName = channel.queueDeclare().getQueue();
    channel.exchangeDeclare(EXCHANGE_NAME, "direct");

    Scanner sc = new Scanner(System.in);

    channel.queueBind(queueName, EXCHANGE_NAME, "lounge");
    channellist.add("lounge");
    Consumer consumer = new DefaultConsumer(channel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            String message = new String(body, "UTF-8");
            System.out.println(" [x] Received :'" + message + "'");
        }
    };
    System.out.println(" Welcome " + user + " to Channel lounge");
    System.out.println(" Queries: ");
    System.out.println(" 1. /NICK <Username>            : Change username ");
    System.out.println(" 2. /JOIN <Channel Name>        : Join Channel");
    System.out.println(" 3. @<Channel Name> <Message>   : Send message to Spesific Channel");
    System.out.println(" 4. /LEAVE <Channel Name>       : Leave Channel");
    System.out.println(" 5. <Random text>               : BroadCast");
    System.out.println(" 6. /EXIT                       : Exit App");
    while (true) {
        channel.basicConsume(queueName, true, consumer);
        String input = sc.nextLine();
        String[] query;
        if ((query = CommandRegexes.NICK.match(input)) != null) {
            String Nickname = query[0];
            user = Nickname;
            System.out.println(" [x] Your Nickname '" + Nickname + "'");

        } else if ((query = CommandRegexes.JOIN.match(input)) != null) {
            String channel_name = query[0];
            channel.queueBind(queueName, EXCHANGE_NAME, channel_name);
            channellist.add(channel_name);
            System.out.println(" [x] you had Join '" + channel_name + "'");

        } else if ((query = CommandRegexes.LEAVE.match(input)) != null) {
            String channel_name = query[0];
            if (channellist.contains(channel_name)) {
                channellist.remove(channellist.indexOf(channel_name));
                channel.queueUnbind(queueName, EXCHANGE_NAME, channel_name);
                System.out.println(" [x] you had leave '" + channel_name);
            } else {
                System.out.println(" [x] you're not in the channel " + channel_name);
            }
            System.out.println(" [x] you had leave '" + channel_name + "'");

        } else if (CommandRegexes.EXIT.match(input) != null) {
            channel.close();
            connection.close();
            break;

        } else if ((query = CommandRegexes.MESSAGE_CHANNEL.match(input)) != null) {
            String channel_name = query[0];
            if (channellist.contains(channel_name)) {
                String message = "[" + channel_name + "] (" + user + ") " + query[1];
                channel.basicPublish(EXCHANGE_NAME, channel_name, null, message.getBytes());
                System.out.println(" [x] Sent '" + message + "'");
                System.out.println(" : to '" + channel_name + "'");
            } else {
                System.out.println(" [x] No Channel " + channel_name + " on your list");
            }
        } else {
            System.out.println(" [x] Broadcasting '" + input + "'");
            for (String channellist1 : channellist) {
                String messages = "[" + channellist1 + "] (" + user + ") " + input;
                channel.basicPublish(EXCHANGE_NAME, channellist1, null, messages.getBytes());
            }
            System.out.println(" [x] OK ;D");
        }
    }

}

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From source file:rabbitmq.Producer.java

public void run() {
    try {//from  w w w .j a  v  a2 s  .c o  m
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");

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

        channel.queueDeclare(QUEUE_NAME, false, false, false, null);

        for (int i = 0; i < num; i++) {
            Mensaje persona = new Mensaje("RabbitMQ_Java", "Persona" + i, "ID" + i);
            Gson gson = new Gson();
            String message = gson.toJson(persona);

            channel.basicPublish("", QUEUE_NAME, null, message.getBytes());
            System.out.println(" [" + id + "] Sent '" + message + "'");
        }

        channel.close();
        connection.close();
    } catch (IOException ex) {
        Logger.getLogger(Producer.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:rabbitmqapp.EmitLog.java

public static void main(String... args) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setUri(Cons.RABBIT_MQ_URL);
    factory.setConnectionTimeout(3000);/*w w w.java  2  s.  c o  m*/
    factory.setRequestedHeartbeat(30);

    //Create a connection
    Connection connection = factory.newConnection();
    //create a channel from connection
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(Cons.EXCHANGE_NAME, EXCHANGE_TYPE);
    String message = "Hello Dolly";

    channel.basicPublish(Cons.EXCHANGE_NAME, "", null, message.getBytes());
    System.out.println(" [x] Sent '" + message + "'");
    channel.close();
    connection.close();
}

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From source file:rabbitmqapp.RabbitMQApp.java

/**
 * @param args the command line arguments
 *//*from ww w  .  j a  v  a 2 s  .  c  om*/
public static void main(String[] args) throws Exception {
    ProductOrder order = new ProductOrder("Thando Mlauzi", 34.50);
    ConnectionFactory factory = new ConnectionFactory();
    String uri = "amqp://ytsoedex:Qu2LCiBJ5x9fhRUyLYkMhJqsURJ9dkSP@chicken.rmq.cloudamqp.com/ytsoedex";
    factory.setUri(uri);

    //Recommended settings
    factory.setRequestedHeartbeat(30);
    factory.setConnectionTimeout(30000);

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

    channel.queueDeclare(QUENAME, false, false, false, null);
    String message = "Hello World!";
    channel.basicPublish("", QUENAME, null, RabbitUtility.convertToByteArray(order));
    System.out.println(" [x] Sent '" + order + "'");

    channel.close();
    connection.close();

}

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From source file:ru.kinomir.queue.QueueSender.java

public synchronized void sendToQueue(Object data, String queueName, String queueHost, String userName,
        String password, String port, String virtualHost) {
    Channel channel = null;/*from w  w  w  . j a  v  a  2  s  .  c  om*/
    Connection connection = null;
    try {
        logger.info("Send message to queue '" + queueName + "'");
        ConnectionFactory factory = new ConnectionFactory();
        if (!StringTools.isEmpty(userName)) {
            factory.setUsername(userName);
        }
        if (!StringTools.isEmpty(password)) {
            factory.setPassword(password);
        }
        if (!StringTools.isEmpty(port)) {
            try {
                factory.setPort(Integer.parseInt(port));
            } catch (NumberFormatException ignore) {

            }
        }
        if (!StringTools.isEmpty(virtualHost)) {
            factory.setVirtualHost(virtualHost);
        }
        factory.setHost(queueHost);

        connection = factory.newConnection();
        channel = connection.createChannel();
        channel.queueDeclare(queueName, true, false, false, null);
        String message = convertToString(data);
        logger.info("Message text: " + message);
        channel.basicPublish("", queueName, MessageProperties.MINIMAL_PERSISTENT_BASIC, message.getBytes());
        logger.info("Message was sent");
    } catch (Exception ex) {
        logger.error("Uneble send message: " + convertToString(data));
        logger.debug(ex.getMessage(), ex);
    } finally {
        try {
            if (channel != null) {
                channel.close();
            }
            if (connection != null) {
                connection.close();
            }
        } catch (Exception ignore) {

        }
    }
}

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From source file:samples.userguide.RabbitMQAMQPClient.java

License:Apache License

public static void main(String[] args) {
    String queueName = System.getProperty("queueName");
    String mode = System.getProperty("mode");
    String routingKey = System.getProperty("routingKey");
    String exchangeName = System.getProperty("exchangeName");

    String quote = System.getProperty("payLoad");
    if (quote == null) {
        quote = "IBM";
    }/*from   w ww .  j a  va2 s.c o m*/
    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>" + quote
            + "</m:symbol>\n" + "    </m:order>\n" + "</m:placeOrder>";

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

        if (mode == null) {
            mode = "producer";
        }

        if ("producer".equals(mode)) {
            if (queueName != null) {
                channel.basicPublish("", queueName, null, msg.getBytes());
            } else {
                if (routingKey != null) {
                    if (exchangeName == null) {
                        exchangeName = "topic-exchange";
                    }
                    channel.basicPublish(exchangeName, routingKey, null, msg.getBytes());

                } else {
                    if (exchangeName == null) {
                        exchangeName = "subscriber-exchange";
                    }
                    channel.basicPublish(exchangeName, "", null, msg.getBytes());
                }
            }
        } else {
            if (queueName == null) {
                queueName = "ConsumerProxy";
            }
            QueueingConsumer consumer = new QueueingConsumer(channel);
            channel.basicConsume(queueName, true, consumer);

            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            String message = new String(delivery.getBody());
            System.out.println("[x] received '" + message + "'");
        }
        channel.close();
        connection.close();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    } finally {
        if (channel != null && channel.isOpen()) {
            try {
                channel.close();
            } catch (IOException e) {
                System.err.println("Error occurred while closing the channel:" + e.getMessage());
            }
        }
        if (connection != null && connection.isOpen()) {
            try {
                connection.close();
            } catch (IOException e) {
                System.err.println("Error occurred while closing the connection:" + e.getMessage());
            }
        }
    }
}

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