Example usage for com.rabbitmq.client Channel exchangeDeclare

Introduction

In this page you can find the example usage for com.rabbitmq.client Channel exchangeDeclare.

Prototype

Exchange.DeclareOk exchangeDeclare(String exchange, BuiltinExchangeType type) throws IOException;

Source Link

Document

Actively declare a non-autodelete, non-durable exchange with no extra arguments

Usage

From source file:org.wso2.carbon.caching.invalidator.amqp.CacheInvalidationPublisher.java

License:Open Source License

@Override
public void invalidateCache(int tenantId, String cacheManagerName, String cacheName, Serializable cacheKey) {
    log.debug("Global cache invalidation: initializing the connection");
    if (ConfigurationManager.getProviderUrl() == null) {
        ConfigurationManager.init();/*from www .jav a  2 s  .c  o  m*/
    }
    //Converting data to json string
    GlobalCacheInvalidationEvent event = new GlobalCacheInvalidationEvent();
    event.setTenantId(tenantId);
    event.setCacheManagerName(cacheManagerName);
    event.setCacheName(cacheName);
    event.setCacheKey(cacheKey);
    String uuid = UUIDGenerator.generateUUID();
    event.setUuid(uuid);
    // Setup the pub/sub connection, session
    // Send the msg (byte stream)
    Connection connection = null;
    try {
        log.debug("Global cache invalidation: converting serializable object to byte stream.");
        byte data[] = serialize(event);
        log.debug("Global cache invalidation: converting data to byte stream complete.");
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(ConfigurationManager.getProviderUrl());
        connection = factory.newConnection();
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(ConfigurationManager.getTopicName(), "topic");
        channel.basicPublish(ConfigurationManager.getTopicName(), "invalidate.cache", null, data);
        ConfigurationManager.getSentMsgBuffer().add(uuid.trim());
        log.debug("Global cache invalidation message sent: " + new String(data));
    } catch (Exception e) {
        log.error("Global cache invalidation: Error publishing the message", e);
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (Exception e) {
                log.error("Global cache invalidation: error close publish connection", e);
            }
        }
    }
}

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From source file:org.wso2.carbon.caching.invalidator.amqp.CacheInvalidationSubscriber.java

License:Open Source License

private void subscribe() {
    log.debug("Global cache invalidation: initializing the subscription");
    try {//from w ww  . java2  s  .com
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(ConfigurationManager.getProviderUrl());
        int port = Integer.parseInt(ConfigurationManager.getProviderPort());
        factory.setPort(port);
        factory.setUsername(ConfigurationManager.getProviderUsername());
        factory.setPassword(ConfigurationManager.getProviderPassword());
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(ConfigurationManager.getTopicName(), "topic");
        String queueName = channel.queueDeclare().getQueue();
        channel.queueBind(queueName, ConfigurationManager.getTopicName(), "#");
        consumer = new QueueingConsumer(channel);
        channel.basicConsume(queueName, true, consumer);
        Thread reciever = new Thread(messageReciever);
        reciever.start();
        log.info("Global cache invalidation is online");
    } catch (Exception e) {
        log.error("Global cache invalidation: Error message broker initialization", e);
    }
}

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From source file:pl.nask.hsn2.bus.rabbitmq.RbtUtils.java

License:Open Source License

/**
 * Creates exchanges and static bindings between them.
 * //from w  ww.ja va2 s  .  co m
 * @param connection Connection to Rabbit MQ server.
 * @param exchangeCommonName Common exchange name.
 * @param exchangeServicesName Services exchange name.
 * @param exchangeMonitoringName Monitoring exchange name.
 * @throws BusException Any problem with connection or queue will thrown an exception.
 */
public static void createExchanges(Connection connection, String exchangeCommonName,
        String exchangeServicesName, String exchangeMonitoringName) throws BusException {
    Channel channel = createChannel(connection);
    try {
        channel.exchangeDeclare(exchangeCommonName, "fanout");
        channel.exchangeDeclare(exchangeMonitoringName, "fanout");
        channel.exchangeDeclare(exchangeServicesName, "direct");
        channel.exchangeBind(exchangeMonitoringName, exchangeCommonName, "");
        channel.exchangeBind(exchangeServicesName, exchangeCommonName, "");
    } catch (IOException ex) {
        throw new BusException(ex);
    } finally {
        closeChannel(channel);
    }
}

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From source file:pl.nask.hsn2.DataStoreActiveCleaner.java

License:Open Source License

/**
 * Initialize RabbitMQ connection./*  www.  j  a v a2s  .c om*/
 *
 * @return RabbitMQ consumer.
 * @throws IOException
 *             When there's some connection issues.
 */
private QueueingConsumer initRabbitMqConnection() throws IOException {
    ConnectionFactory connFactory = new ConnectionFactory();
    connFactory.setHost(rbtHostName);
    rbtConnection = connFactory.newConnection();
    Channel channel = rbtConnection.createChannel();
    channel.exchangeDeclare(rbtNotifyExchName, "fanout");
    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, rbtNotifyExchName, "");
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(queueName, AUTO_ACK, consumer);
    return consumer;
}

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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 {/*from  w  ww.  ja v  a2  s . co  m*/
        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);/*  w ww .  j a va  2s .  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();
        }
    }

}

---

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

@PostConstruct
public void init() {
    System.out.println("init");
    recive = "";/*  w  w w  . ja v a  2  s .co  m*/
    reciveBeforeRefresh = recive;
    try {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");

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

        channel.exchangeDeclare(DisplayMessage.EXCHANGE_NAME, "fanout");
        String queueName = channel.queueDeclare().getQueue();
        channel.queueBind(queueName, DisplayMessage.EXCHANGE_NAME, "");

        MessageConsumer m = new MessageConsumer(channel, this);

        channel.basicConsume(queueName, true, m);
    } catch (Exception ex) {
        Logger.getLogger(ControllerView.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

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

public static void main(String[] args) {
    try {//from w  w w.java2 s. c  o 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:pubsub.RecieveLogs.java

public static void main(String[] argv) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(EXCHANGE_NAME, "fanout");
    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, EXCHANGE_NAME, "");

    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    Consumer consumer = new DefaultConsumer(channel) {
        @Override/*from w w w .  j a v  a 2  s  . c o  m*/
        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 + "'");
        }
    };
    channel.basicConsume(queueName, true, consumer);
}

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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  .  j  a  va  2s  . c o  m
    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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