org.apache.rocketmq.example.lmq.LMQProducer Maven / Gradle / Ivy
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/*
* 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.
*/
package org.apache.rocketmq.example.lmq;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.common.MixAll;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.common.message.MessageConst;
import org.apache.rocketmq.remoting.common.RemotingHelper;
public class LMQProducer {
public static final String PRODUCER_GROUP = "ProducerGroupName";
public static final String DEFAULT_NAMESRVADDR = "127.0.0.1:9876";
public static final String TOPIC = "TopicLMQParent";
public static final String TAG = "TagA";
public static final String LMQ_TOPIC_1 = MixAll.LMQ_PREFIX + "123";
public static final String LMQ_TOPIC_2 = MixAll.LMQ_PREFIX + "456";
public static void main(String[] args) throws MQClientException, InterruptedException {
DefaultMQProducer producer = new DefaultMQProducer(PRODUCER_GROUP);
// Uncomment the following line while debugging, namesrvAddr should be set to your local address
producer.setNamesrvAddr(DEFAULT_NAMESRVADDR);
producer.start();
for (int i = 0; i < 128; i++) {
try {
Message msg = new Message(TOPIC, TAG, ("Hello RocketMQ " + i).getBytes(RemotingHelper.DEFAULT_CHARSET));
msg.setKeys("Key" + i);
msg.putUserProperty(MessageConst.PROPERTY_INNER_MULTI_DISPATCH /* "INNER_MULTI_DISPATCH" */,
String.join(MixAll.MULTI_DISPATCH_QUEUE_SPLITTER, LMQ_TOPIC_1, LMQ_TOPIC_2) /* "%LMQ%123,%LMQ%456" */);
SendResult sendResult = producer.send(msg);
System.out.printf("%s%n", sendResult);
} catch (Exception e) {
e.printStackTrace();
}
}
producer.shutdown();
}
}