Examples with QueueingConsumer com.rabbitmq.client.QueueingConsumer used on opensource projects

Example 51 with QueueingConsumer

use of com.rabbitmq.client.QueueingConsumer in project rabbitmq-java-client by rabbitmq.

the class MemoryAlarms method overlappingAlarmsFlowControl.

@Test
public void overlappingAlarmsFlowControl() throws IOException, InterruptedException {
    QueueingConsumer c = new QueueingConsumer(channel);
    String consumerTag = channel.basicConsume(Q, true, c);
    setResourceAlarm("memory");
    basicPublishVolatile(Q);
    assertNull(c.nextDelivery(100));
    setResourceAlarm("disk");
    assertNull(c.nextDelivery(100));
    clearResourceAlarm("memory");
    assertNull(c.nextDelivery(100));
    clearResourceAlarm("disk");
    assertNotNull(c.nextDelivery(3100));
    channel.basicCancel(consumerTag);
    basicPublishVolatile(Q);
    assertNotNull(basicGet(Q));
}

Example 52 with QueueingConsumer

use of com.rabbitmq.client.QueueingConsumer in project tech by ffyyhh995511.

the class Recv method recv.

public static void recv() throws java.io.IOException, java.lang.InterruptedException, TimeoutException {
    System.out.print("----------main method is begin----------");
    ConnectionFactory factory = new ConnectionFactory();
    System.out.println("----------factory successful!----------");
    factory.setHost("127.0.0.1");
    // factory.setUsername("mq");
    // factory.setPassword("mq");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    System.out.println("----------connected successful!----------");
    // 指定队列持久化
    channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
    // 指定该线程同时只接收一条消息
    channel.basicQos(1);
    QueueingConsumer consumer = new QueueingConsumer(channel);
    // 打开消息应答机制
    channel.basicConsume(TASK_QUEUE_NAME, false, consumer);
    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        String message = new String(delivery.getBody());
        System.out.println(" [x] Received '" + message + "'");
        doWork(message);
        System.out.println(" [x] Done");
        // 返回接收到消息的确认信息
        channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
    }
}

Example 53 with QueueingConsumer

use of com.rabbitmq.client.QueueingConsumer in project pancm_project by xuwujing.

the class ClientReceive1 method main.

/**
 * The entry point of application.
 *
 * @param args the input arguments
 * @throws IOException              the io exception
 * @throws InterruptedException     the interrupted exception
 * @throws TimeoutException         the timeout exception
 * @throws KeyManagementException   the key management exception
 * @throws NoSuchAlgorithmException the no such algorithm exception
 * @throws URISyntaxException       the uri syntax exception
 */
public static void main(String[] args) throws java.io.IOException, java.lang.InterruptedException, TimeoutException, KeyManagementException, NoSuchAlgorithmException, URISyntaxException {
    ConnectionFactory factory = new ConnectionFactory();
    // factory.setHost("localhost");
    // factory.setVirtualHost("my_mq");
    // factory.setUsername("zhxia");
    // factory.setPassword("123456");
    // 获取url
    factory.setUri("amqp://guest:guest@172.26.129.3:5672");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    channel.queueDeclare(queue_name, durable, false, false, null);
    System.out.println("Wait for message");
    // 消息分发处理
    channel.basicQos(1);
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(queue_name, autoAck, consumer);
    while (true) {
        Thread.sleep(500);
        QueueingConsumer.Delivery deliver = consumer.nextDelivery();
        String message = new String(deliver.getBody());
        System.out.println("Message received:" + message);
        channel.basicAck(deliver.getEnvelope().getDeliveryTag(), false);
    }
}

Example 54 with QueueingConsumer

use of com.rabbitmq.client.QueueingConsumer in project pancm_project by xuwujing.

the class Recv method main.

/**
 * The entry point of application.
 *
 * @param argv the input arguments
 * @throws Exception the exception
 */
public static void main(String[] argv) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    // factory.setHost("localhost");
    // factory.setHost("127.0.0.1");
    // 获取url
    factory.setUri("amqp://guest:guest@172.26.129.3:5672");
    // 打开连接和创建频道，与发送端一样
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    // 声明队列，主要为了防止消息接收者先运行此程序，队列还不存在时创建队列。
    channel.queueDeclare(QUEUE_NAME, false, false, false, null);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
    // 创建队列消费者
    QueueingConsumer consumer = new QueueingConsumer(channel);
    // 指定消费队列
    channel.basicConsume(QUEUE_NAME, true, consumer);
    while (true) {
        // 消费者程序运行开着 如果生产者新增了数据会自动获取
        Thread.sleep(500);
        List aa = new ArrayList();
        // nextDelivery是一个阻塞方法（内部实现其实是阻塞队列的take方法）
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        String message = new String(delivery.getBody());
        aa.add(message);
        System.out.println("你好吗！" + " [x] Received '" + message + "'" + aa);
    }
}

Example 55 with QueueingConsumer

use of com.rabbitmq.client.QueueingConsumer in project helix by apache.

the class ConsumerThread method run.

@Override
public void run() {
    Connection connection = null;
    try {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(_mqServer);
        connection = factory.newConnection();
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(EXCHANGE_NAME, "topic");
        String queueName = channel.queueDeclare().getQueue();
        String bindingKey = _partition;
        channel.queueBind(queueName, EXCHANGE_NAME, bindingKey);
        System.out.println(" [*] " + _consumerId + " Waiting for messages on " + bindingKey + ". To exit press CTRL+C");
        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume(queueName, true, consumer);
        while (true) {
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            String message = new String(delivery.getBody());
            String routingKey = delivery.getEnvelope().getRoutingKey();
            System.out.println(" [x] " + _consumerId + " Received '" + routingKey + "':'" + message + "'");
        }
    } catch (InterruptedException e) {
        System.err.println(" [-] " + _consumerId + " on " + _partition + " is interrupted ...");
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}