forked from rongchao/epmet-cloud-rizhao
2 changed files with 83 additions and 18 deletions
@ -0,0 +1,62 @@ |
|||
package com.epmet.mq; |
|||
|
|||
import com.epmet.commons.rocketmq.constants.ConsomerGroupConstants; |
|||
import com.epmet.commons.rocketmq.constants.TopicConstants; |
|||
import com.epmet.mq.listener.IssueProjectCategoryTagInitListener; |
|||
import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer; |
|||
import org.apache.rocketmq.client.consumer.listener.MessageListener; |
|||
import org.apache.rocketmq.client.exception.MQClientException; |
|||
import org.apache.rocketmq.common.protocol.heartbeat.MessageModel; |
|||
import org.springframework.beans.factory.annotation.Value; |
|||
import org.springframework.stereotype.Component; |
|||
|
|||
import javax.annotation.PostConstruct; |
|||
|
|||
@Component |
|||
public class RocketMQConsumerRegister { |
|||
|
|||
@Value("${rocketmq.name-server}") |
|||
private String nameServer; |
|||
|
|||
/** |
|||
* @return |
|||
* @Description 注册监听器 |
|||
* @author wxz |
|||
* @date 2021.03.03 16:09 |
|||
*/ |
|||
@PostConstruct |
|||
public void registerAllListeners() { |
|||
try { |
|||
register(nameServer, ConsomerGroupConstants.ISSUE_PROJECT_CATEGORY_TAG, MessageModel.CLUSTERING, TopicConstants.INIT_CUSTOMER, "*", new IssueProjectCategoryTagInitListener()); |
|||
} catch (MQClientException e) { |
|||
e.printStackTrace(); |
|||
} |
|||
} |
|||
|
|||
public void register(String nameServer, String group, MessageModel messageModel, String topic, String subException, MessageListener listener) throws MQClientException { |
|||
// 实例化消费者
|
|||
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer(group); |
|||
|
|||
// 设置NameServer的地址
|
|||
consumer.setNamesrvAddr(nameServer); |
|||
consumer.setMessageModel(messageModel); |
|||
consumer.setInstanceName(buildInstanceName()); |
|||
// 订阅一个或者多个Topic,以及Tag来过滤需要消费的消息
|
|||
consumer.subscribe(topic, subException); |
|||
// 注册回调实现类来处理从broker拉取回来的消息
|
|||
consumer.registerMessageListener(listener); |
|||
// 启动消费者实例
|
|||
consumer.start(); |
|||
} |
|||
|
|||
private String buildInstanceName() { |
|||
String instanceName = ""; |
|||
for (int i = 0; i < 4; i++) { |
|||
int t = (int) (Math.random() * 10); |
|||
instanceName = instanceName.concat(t + ""); |
|||
} |
|||
|
|||
return instanceName; |
|||
} |
|||
|
|||
} |
Loading…
Reference in new issue