Example usage for com.rabbitmq.client Channel exchangeDeclare

List of usage examples for com.rabbitmq.client Channel exchangeDeclare

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Introduction

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

Prototype

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

Source Link

Document

Actively declare a non-autodelete exchange with no extra arguments

Usage

From source file:io.qdb.server.input.RabbitMQInputHandler.java

License:Apache License

protected void initChannel(Channel channel) throws IOException {
    channel.queueDeclare(queue, queueDurable, false, false, null);
    if (exchange != null) {
        channel.exchangeDeclare(exchange, exchangeType, exchangeDurable);
        channel.queueBind(queue, exchange, routingKey);
    }/*from ww w  .  jav  a2  s. c o m*/
}

From source file:io.qdb.server.output.RabbitMQOutputHandler.java

License:Apache License

protected void initChannel(Channel channel) throws IOException {
    channel.exchangeDeclare(exchange, exchangeType, exchangeDurable);
    if (queues != null) {
        for (int i = 0; i < queues.length; i++) {
            String q = queues[i];
            channel.queueDeclare(q, queueDurable[i], false, false, null);
            channel.queueBind(q, exchange, "");
        }//from  w ww  .j av a  2s  . c  o  m
    }
}

From source file:it.av.fac.messaging.rabbitmq.RabbitMQChannelPool.java

public static synchronized Channel createChannel(Connection conn, String queueIn, String queueOut,
        String routingKeyIn, String routingKeyOut) throws IOException {
    String UID = obtainUniqueId(queueIn, queueOut, routingKeyIn, routingKeyOut);

    if (!POOL.containsKey(UID) || !POOL.get(UID).isOpen()) {
        Channel channel = conn.createChannel();
        channel.exchangeDeclare(RabbitMQConstants.EXCHANGE, "direct", true);
        if (queueIn != null) {
            channel.queueDeclare(queueIn, false, false, true, null);
            channel.queueBind(queueIn, RabbitMQConstants.EXCHANGE, routingKeyIn);
        }//from w w  w  .  j  a  v a 2 s.  com
        if (queueOut != null) {
            channel.queueDeclare(queueOut, false, false, true, null);
            channel.queueBind(queueOut, RabbitMQConstants.EXCHANGE, routingKeyOut);
        }

        POOL.put(UID, channel);
    }

    return POOL.get(UID);
}

From source file:it.txt.ens.authorisationService.amqp.AMQPExchangeHelper.java

License:Apache License

/**   
 * Creates a new exchange//from w  w w  . j ava2  s.  c o  m
 * @throws IOException 
 */
public void creates(Channel channel, String exchange) throws IOException {
    channel.exchangeDeclare(exchange, "topic", true);

}

From source file:itinno.example.ExampleSocialMediaStormDeclarator.java

/**
 * Main RabbitMQ declaration method. Will use RabbitMQ channel reference.
 * /*from ww w .  j  av  a2 s .  com*/
 * Rabbit MQ Channel API: https://www.rabbitmq.com/releases/rabbitmq-java-client/v3.1.5/rabbitmq-java-client-javadoc-3.1.5/ (search for "Channel")
 * 
 * @param channel  rabbitmq channel
 */
@Override
public void execute(Channel channel) {
    try {
        // Storm any possible arguments that could be passed 
        Map<String, Object> args = new HashMap<>();

        /* Declare the queue 
         * 
         * API: http://www.rabbitmq.com/releases/rabbitmq-java-client/v1.7.0/rabbitmq-java-client-javadoc-1.7.0/com/rabbitmq/client/Channel.html#queueDeclare(java.lang.String, boolean, boolean, boolean, boolean, java.util.Map))
          * 
          */
        channel.queueDeclare(this.strQueueName, true, false, false, args);

        /* Declare the exchange
         * 
         * API: http://www.rabbitmq.com/releases/rabbitmq-java-client/v1.7.0/rabbitmq-java-client-javadoc-1.7.0/com/rabbitmq/client/Channel.html#exchangeDeclare(java.lang.String, java.lang.String, boolean)
         */
        channel.exchangeDeclare(this.strExchange, this.strExchangeType, true);

        /*
         * Bind the queue
         * 
         * API: http://www.rabbitmq.com/releases/rabbitmq-java-client/v1.7.0/rabbitmq-java-client-javadoc-1.7.0/com/rabbitmq/client/Channel.html#queueBind(java.lang.String, java.lang.String, java.lang.String)
         */
        channel.queueBind(this.strQueueName, this.strExchange, this.strRoutingKey);

        // Handle Exception and allow to continue
    } catch (Exception e) {
        System.err.println("Failed to execute RabbitMQ declarations. Details: " + e.getMessage());
        e.printStackTrace();
    }
}

From source file:ms.dew.core.cluster.spi.rabbit.RabbitClusterMQ.java

License:Apache License

/**
 * MQ ??  ?./* ww  w .  j av a 2 s  .c o  m*/
 * <p>
 * exchange = fanout
 * ??? topic ?
 *
 * @param topic   
 * @param message ?
 * @param confirm ??
 * @return ???rabbit confirm ?????
 */
public boolean doPublish(String topic, String message, boolean confirm) {
    Connection connection = rabbitAdapter.getConnection();
    Channel channel = connection.createChannel(false);
    Object funResult = null;
    try {
        if (confirm) {
            channel.confirmSelect();
        }
        channel.exchangeDeclare(topic, BuiltinExchangeType.FANOUT, true);
        AMQP.BasicProperties properties = new AMQP.BasicProperties("text/plain", null, getMQHeader(topic), 2, 0,
                null, null, null, null, null, null, null, null, null);
        funResult = sendBeforeFun.invoke(topic, "", properties);
        channel.basicPublish(topic, "", properties, message.getBytes());
        if (confirm) {
            try {
                return channel.waitForConfirms();
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                logger.error("[MQ] Rabbit publish error.", e);
                sendErrorFun.invoke(e, funResult);
                return false;
            }
        } else {
            return true;
        }
    } catch (IOException e) {
        logger.error("[MQ] Rabbit publish error.", e);
        sendErrorFun.invoke(e, funResult);
        return false;
    } finally {
        try {
            channel.close();
            sendFinishFun.invoke(funResult);
        } catch (IOException | TimeoutException e) {
            logger.error("[MQ] Rabbit publish error.", e);
        }
        connection.close();
    }
}

From source file:ms.dew.core.cluster.spi.rabbit.RabbitClusterMQ.java

License:Apache License

/**
 * MQ ??  .//from   w  w w.j a  v a  2 s .c  om
 * <p>
 * exchange = fanout
 * ??
 *
 * @param topic    
 * @param consumer ?
 */
@Override
protected void doSubscribe(String topic, Consumer<String> consumer) {
    Channel channel = rabbitAdapter.getConnection().createChannel(false);
    try {
        channel.exchangeDeclare(topic, BuiltinExchangeType.FANOUT, true);
        String queueName = channel.queueDeclare().getQueue();
        channel.queueBind(queueName, topic, "");
        channel.basicQos(1);
        channel.basicConsume(queueName, false,
                getDefaultConsumer(channel, topic, topic, "", queueName, consumer));
    } catch (IOException e) {
        logger.error("[MQ] Rabbit response error.", e);
    }
}

From source file:ms.dew.core.cluster.spi.rabbit.RabbitClusterMQ.java

License:Apache License

/**
 * MQ ??  ?./*from   w  ww  . jav a2  s  . c  o  m*/
 * <p>
 * exchange = topic
 *
 * @param topic      
 * @param routingKey Key
 * @param queueName  ??
 * @param message    ?
 * @param confirm    ??
 * @return ???rabbit confirm ?????
 */
public boolean publishWithTopic(String topic, String routingKey, String queueName, String message,
        boolean confirm) {
    logger.trace("[MQ] publishWithTopic {}:{}", topic, message);
    Connection connection = rabbitAdapter.getConnection();
    Channel channel = connection.createChannel(false);
    Object funResult = null;
    try {
        if (confirm) {
            channel.confirmSelect();
        }
        channel.queueDeclare(queueName, true, false, false, null);
        channel.exchangeDeclare(topic, BuiltinExchangeType.TOPIC, true);
        AMQP.BasicProperties properties = new AMQP.BasicProperties("text/plain", null, getMQHeader(topic), 2, 0,
                null, null, null, null, null, null, null, null, null);
        funResult = sendBeforeFun.invoke(topic, routingKey, properties);
        channel.basicPublish(topic, routingKey, properties, message.getBytes());
        if (confirm) {
            try {
                return channel.waitForConfirms();
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                logger.error("[MQ] Rabbit publishWithTopic error.", e);
                sendErrorFun.invoke(e, funResult);
                return false;
            }
        } else {
            return true;
        }
    } catch (IOException e) {
        logger.error("[MQ] Rabbit publishWithTopic error.", e);
        sendErrorFun.invoke(e, funResult);
        return false;
    } finally {
        try {
            channel.close();
            sendFinishFun.invoke(funResult);
        } catch (IOException | TimeoutException e) {
            logger.error("[MQ] Rabbit publishWithTopic error.", e);
        }
        connection.close();
    }
}

From source file:ms.dew.core.cluster.spi.rabbit.RabbitClusterMQ.java

License:Apache License

/**
 * MQ ??  .//w w w  . j a  v a  2 s.c om
 * <p>
 * exchange = topic
 * ??
 *
 * @param topic      
 * @param routingKey Key
 * @param queueName  ??
 * @param consumer   ?
 */
public void subscribeWithTopic(String topic, String routingKey, String queueName, Consumer<String> consumer) {
    Channel channel = rabbitAdapter.getConnection().createChannel(false);
    try {
        channel.queueDeclare(queueName, true, false, false, null);
        channel.exchangeDeclare(topic, BuiltinExchangeType.TOPIC, true);
        channel.queueBind(queueName, topic, routingKey);
        channel.basicQos(1);
        channel.basicConsume(queueName, false,
                getDefaultConsumer(channel, topic, topic, routingKey, queueName, consumer));
    } catch (IOException e) {
        logger.error("[MQ] Rabbit subscribeWithTopic error.", e);
    }
}

From source file:mx.bigdata.utils.amqp.AMQPClientHelperImpl.java

License:Apache License

public Channel declareChannel(ConnectionFactory factory, String key) throws Exception {
    Connection conn = factory.newConnection();
    Channel channel = conn.createChannel();
    Integer basicQos = conf.getInteger("channel_basic_qos");
    if (basicQos != null) {
        channel.basicQos(basicQos);//from  w  w  w.  ja  va 2 s. c  o m
    } else {
        channel.basicQos(DEFAULT_QOS);
    }
    channel.exchangeDeclare(getExchangeName(key), getExchangeType(key), true);
    return channel;
}