DispatchScheduleTask.java
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package com.diligrp.rider.task;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.diligrp.rider.entity.City;
import com.diligrp.rider.entity.Orders;
import com.diligrp.rider.mapper.CityMapper;
import com.diligrp.rider.mapper.OrdersMapper;
import com.diligrp.rider.service.DispatchRuleService;
import com.diligrp.rider.service.DispatchService;
import com.diligrp.rider.vo.DispatchRuleTemplateVO;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import java.util.List;
@Slf4j
@Component
@EnableScheduling
@RequiredArgsConstructor
public class DispatchScheduleTask {
private final CityMapper cityMapper;
private final OrdersMapper ordersMapper;
private final DispatchRuleService dispatchRuleService;
private final DispatchService dispatchService;
/**
* 抢单超时后自动派单
* 每3秒执行一次
*/
@Scheduled(fixedDelay = 3_000)
public void autoDispatchTimeoutOrders() {
try {
List<City> cities = cityMapper.selectList(new LambdaQueryWrapper<City>()
.eq(City::getStatus, 1)
.select(City::getId));
if (cities.isEmpty()) return;
long now = System.currentTimeMillis() / 1000;
for (City city : cities) {
DispatchRuleTemplateVO rule = dispatchRuleService.getActiveRule(city.getId());
if (rule == null || rule.getAutoDispatch() == null || rule.getAutoDispatch() != 1) {
continue;
}
if (rule.getGrabEnabled() == null || rule.getGrabEnabled() != 1) {
continue;
}
int timeoutMinutes = rule.getGrabTimeout() != null ? rule.getGrabTimeout() : 30;
long expireTime = now - timeoutMinutes * 60L;
List<Orders> timeoutOrders = ordersMapper.selectList(new LambdaQueryWrapper<Orders>()
.eq(Orders::getCityId, city.getId())
.eq(Orders::getStatus, 2)
.eq(Orders::getRiderId, 0)
.le(Orders::getAddTime, expireTime)
.orderByAsc(Orders::getAddTime)
.last("LIMIT 100"));
for (Orders order : timeoutOrders) {
Long riderId = dispatchService.dispatch(order);
if (riderId != null) {
log.info("超时订单自动派单成功 orderId={} riderId={}", order.getId(), riderId);
}
}
}
} catch (Exception e) {
log.error("自动派单任务异常", e);
}
}
}