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import com.rabbitmq.client.ConnectionFactory;

import com.rabbitmq.client.Connection;

import com.rabbitmq.client.Channel;

import com.rabbitmq.client.QueueingConsumer;

public class Worker {

private static final String TASK_QUEUE_NAME = "task_queue";

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

ConnectionFactory factory = new ConnectionFactory();

factory.setHost("localhost");

Connection connection = factory.newConnection();

Channel channel = connection.createChannel();

channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);

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

channel.basicQos(1);

QueueingConsumer consumer = new QueueingConsumer(channel);

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");

channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);

}

}

private static void doWork(String task) throws InterruptedException {

for (char ch: task.toCharArray()) {

if (ch == '.') Thread.sleep(1000);

}

}

}