package org.apache.helix.recipes.rabbitmq;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
public class Emitter
{
private static final String EXCHANGE_NAME = "topic_logs";
public static void main(String[] args) throws Exception
{
if (args.length < 1)
{
System.err.println("USAGE: java Emitter rabbitmqServer (e.g. localhost) numberOfMessage (optional)");
System.exit(1);
}
final String mqServer = args[0]; // "zzhang-ld";
int count = Integer.MAX_VALUE;
if (args.length > 1)
{
try
{
count = Integer.parseInt(args[1]);
} catch (Exception e) {
// TODO: handle exception
}
}
System.out.println("Sending " + count + " messages with random topic id");
ConnectionFactory factory = new ConnectionFactory();
factory.setHost(mqServer);
Connection connection = factory.newConnection();
Channel channel = connection.createChannel();
channel.exchangeDeclare(EXCHANGE_NAME, "topic");
for (int i = 0; i < count; i++)
{
int rand = ((int) (Math.random() * 10000) % SetupConsumerCluster.DEFAULT_PARTITION_NUMBER);
String routingKey = "topic_" + rand;
String message = "message_" + rand;
channel.basicPublish(EXCHANGE_NAME, routingKey, null, message.getBytes());
System.out.println(" [x] Sent '" + routingKey + "':'" + message + "'");
Thread.sleep(1000);
}
connection.close();
}
}