Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.mycompany.javateste.queues.worktasks; /** * * @author cadu */ import com.rabbitmq.client.*; import java.io.IOException; 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"); final Connection connection = factory.newConnection(); final 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); final 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 + "'"); try { doWork(message); } finally { System.out.println(" [x] Done"); channel.basicAck(envelope.getDeliveryTag(), false); } } }; channel.basicConsume(TASK_QUEUE_NAME, false, consumer); } private static void doWork(String task) { for (char ch : task.toCharArray()) { if (ch == '.') { try { Thread.sleep(1000); } catch (InterruptedException _ignored) { Thread.currentThread().interrupt(); } } } } }