Java tutorial
/* * ************************************************************************************* * Copyright (C) 2006-2015 EsperTech, Inc. All rights reserved. * * http://www.espertech.com/esper * * http://www.espertech.com * * ---------------------------------------------------------------------------------- * * The software in this package is published under the terms of the GPL license * * a copy of which has been included with this distribution in the license.txt file. * * ************************************************************************************* */ package com.espertech.esperio.amqp; import com.espertech.esper.util.SerializerUtil; import com.rabbitmq.client.Channel; import com.rabbitmq.client.Connection; import com.rabbitmq.client.ConnectionFactory; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import java.util.ArrayList; import java.util.List; public class AMQPSupportSendRunnable implements Runnable { private static final Log log = LogFactory.getLog(AMQPSupportSendRunnable.class); private final String hostName; private final String queueName; private final List<Object> events; private final long msecSleepTime; private boolean shutdown; public AMQPSupportSendRunnable(String hostName, String queueName, List<Object> events, long msecSleepTime) { this.hostName = hostName; this.queueName = queueName; this.events = new ArrayList<Object>(events); this.msecSleepTime = msecSleepTime; } public boolean isShutdown() { return shutdown; } public void setShutdown(boolean shutdown) { this.shutdown = shutdown; } public void run() { try { ConnectionFactory factory = new ConnectionFactory(); factory.setHost(hostName); Connection connection = factory.newConnection(); Channel channel = connection.createChannel(); // java.lang.String queue, boolean durable, boolean exclusive, boolean autoDelete, java.util.Map<java.lang.String,java.lang.Object> arguments channel.queueDeclare(queueName, false, false, true, null); log.info("Start publishing messages: " + events.size() + " messages"); int count = 0; while (true) { if (events.isEmpty()) { break; } Object next = events.remove(0); byte[] bytes = SerializerUtil.objectToByteArr(next); channel.basicPublish("", queueName, null, bytes); count++; log.info("Publishing message #" + count + ": " + next); Thread.sleep(msecSleepTime); if (isShutdown()) { break; } } log.info("Completed publishing messages: " + count + " messages"); } catch (Exception ex) { log.error("Error attaching to AMQP: " + ex.getMessage(), ex); } } }