cn.xyz.lcg.rocketmq.broadcasting.Consumer.java Source code

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Here is the source code for cn.xyz.lcg.rocketmq.broadcasting.Consumer.java

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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 cn.xyz.lcg.rocketmq.broadcasting;

import java.io.UnsupportedEncodingException;
import java.util.List;

import org.apache.commons.collections.CollectionUtils;

import com.alibaba.rocketmq.client.consumer.DefaultMQPushConsumer;
import com.alibaba.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
import com.alibaba.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
import com.alibaba.rocketmq.client.consumer.listener.MessageListenerConcurrently;
import com.alibaba.rocketmq.client.exception.MQClientException;
import com.alibaba.rocketmq.common.consumer.ConsumeFromWhere;
import com.alibaba.rocketmq.common.message.MessageExt;
import com.alibaba.rocketmq.common.protocol.heartbeat.MessageModel;

public class Consumer {

    public static void main(String[] args) throws InterruptedException, MQClientException {
        DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("broadcastingConsumer");

        consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);

        consumer.setMessageModel(MessageModel.BROADCASTING);

        consumer.setNamesrvAddr("centOS1:9876");

        consumer.subscribe("broadcastingTest", "*");

        consumer.registerMessageListener(new MessageListenerConcurrently() {

            @Override
            public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
                    ConsumeConcurrentlyContext context) {
                // System.out.println(Thread.currentThread().getName() + "
                // Receive New Messages: " + msgs);
                if (CollectionUtils.isNotEmpty(msgs)) {
                    for (MessageExt msg : msgs) {
                        try {
                            System.out.println(
                                    Thread.currentThread().getName() + " " + new String(msg.getBody(), "UTF-8"));
                        } catch (UnsupportedEncodingException e) {
                            // ignore
                        }

                    }
                }

                return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
            }
        });

        consumer.start();

        System.out.println("Broadcast Consumer Started.");
    }
}