FailMsgJob.java
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package com.sl.mq.job;
import cn.hutool.core.collection.CollUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.sl.mq.entity.FailMsgEntity;
import com.sl.mq.service.FailMsgService;
import com.sl.mq.service.MQService;
import com.xxl.job.core.handler.annotation.XxlJob;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.stereotype.Component;
import javax.annotation.Resource;
import java.util.List;
/**
* 失败消息的处理任务
*
* @author zzj
* @version 1.0
*/
@Slf4j
@Component
@ConditionalOnBean({MQService.class, FailMsgService.class})
public class FailMsgJob {
@Resource
private FailMsgService failMsgService;
@Resource
private MQService mqService;
@XxlJob("failMsgJob")
public void execute() {
//查询失败的数据，每次最多处理100条错误消息
LambdaQueryWrapper<FailMsgEntity> queryWrapper = new LambdaQueryWrapper<FailMsgEntity>()
.orderByAsc(FailMsgEntity::getCreated)
.last("limit 100");
List<FailMsgEntity> failMsgEntityList = this.failMsgService.list(queryWrapper);
if (CollUtil.isEmpty(failMsgEntityList)) {
return;
}
for (FailMsgEntity failMsgEntity : failMsgEntityList) {
try {
//发送消息
this.mqService.sendMsg(failMsgEntity.getExchange(), failMsgEntity.getRoutingKey(), failMsgEntity.getMsg());
//删除数据
this.failMsgService.removeById(failMsgEntity.getId());
} catch (Exception e) {
log.error("处理错误消息失败, failMsgEntity = {}", failMsgEntity);
}
}
}
}