// Instantiate a consumer.
DefaultMQPushConsumer pushConsumer = new DefaultMQPushConsumer(NAMESPACE,groupName,
    new AclClientRPCHook(new SessionCredentials(AK, SK)),
    new AllocateMessageQueueAveragely(), true, null);

DefaultLitePullConsumer pullConsumer = new DefaultLitePullConsumer(NAMESPACE,groupName,
    new AclClientRPCHook(new SessionCredentials(AK, SK)));
// Set the NameServer address.
pullConsumer.setNamesrvAddr(NAMESERVER);
pullConsumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_LAST_OFFSET);
pullConsumer.setAutoCommit(false);
pullConsumer.setEnableMsgTrace(true);
pullConsumer.setCustomizedTraceTopic(null);

package com.lazycece.sbac.rocketmq.messagemodel;

import lombok.extern.slf4j.Slf4j;
import org.apache.rocketmq.spring.annotation.MessageModel;
import org.apache.rocketmq.spring.annotation.RocketMQMessageListener;
import org.apache.rocketmq.spring.core.RocketMQListener;
import org.springframework.stereotype.Component;

/**
 * @author lazycece
 * @date 2019/8/21
 */
@Slf4j
@Component
public class MessageModelConsumer {

@Component
    @RocketMQMessageListener(
            topic = "topic-message-model",
            consumerGroup = "message-model-consumer-group",
            enableMsgTrace = true,
            messageModel = MessageModel.CLUSTERING)
    public class ConsumerOne implements RocketMQListener<String> {
        @Override
        public void onMessage(String message) {
            log.info("ConsumerOne: {}", message);
        }
    }

}