话不多说，直接上代码！
package com.mmall.task;
import ch.qos.logback.classic.gaffer.PropertyUtil;
import com.mmall.common.Const;
import com.mmall.service.IOrderService;
import com.mmall.service.impl.OrderServiceImpl;
import com.mmall.util.PropertiesUtil;
import com.mmall.util.RedisShardedPoolUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import org.springframework.web.accept.ContentNegotiationStrategy;
import javax.annotation.PreDestroy;
import static com.sun.webpane.platform.ConfigManager.log;
@Component
@Slf4j
public class CloseOrderTask {
private static final Loggerlog = LoggerFactory.getLogger(CloseOrderTask.class);
@Autowired
private IOrderServiceiOrderService;
@PreDestroy
public void delLock(){
RedisShardedPoolUtil.del(Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK);
}
// @Scheduled(cron = "0 */1 * * * ?")//每一分钟（每个一分钟的整数倍）
public void closeOrderTaskV1(){
int hour=Integer.parseInt(PropertiesUtil.getProperty("close.order.task.time.hour","2"));
log.info("关闭订单定时任务启动");
iOrderService.closeorder(hour);
log.info("关闭订单定时任务结束");
}
// @Scheduled(cron = "0 */1 * * * ?")//每一分钟（每个一分钟的整数倍）
public void closeOrderTaskV2(){
log.info("关闭订单定时任务启动");
//锁超时时间
long lockTimeout=Long.parseLong(PropertiesUtil.getProperty("lock.timeout","5000"));
Long setnxResult= RedisShardedPoolUtil.setnx(Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK,String.valueOf(System.currentTimeMillis()+lockTimeout));
if(setnxResult!=null&&setnxResult.intValue()==1){
//如果返回值是1，代表设置成功，获取锁
closeOrder(Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK);
}else{
log.info("没有获得分布式锁:{}",Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK);
}
log.info("关闭订单定时任务结束");
}
@Scheduled(cron ="0 */1 * * * ?")//每一分钟（每个一分钟的整数倍）
public void closeOrderTaskV3(){
log.info("关闭订单定时任务启动");
//锁超时时间
long lockTimeout=Long.parseLong(PropertiesUtil.getProperty("lock.timeout","5000"));
Long setnxResult= RedisShardedPoolUtil.setnx(Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK,String.valueOf(System.currentTimeMillis()+lockTimeout));
if(setnxResult!=null&&setnxResult.intValue()==1){
//如果返回值是1，代表设置成功，获取锁
closeOrder(Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK);
}else{
//未获取到锁，继续判断，判断时间戳，看是否可以重置并获取到锁
String lockValueStr=RedisShardedPoolUtil.get(Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK);
if(lockValueStr!=null&&System.currentTimeMillis()>Long.parseLong(lockValueStr)){
String getSetResult=RedisShardedPoolUtil.getSet(Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK,String.valueOf(System.currentTimeMillis()+lockTimeout));
//再次用当前时间戳getset
//返回给定的key的旧值，-》旧值判断，是否可以获取锁
//当key没有旧值时，即key不存在时，返回nil->获取锁
//这里我们set了一个新的value值，获取旧的值
if(getSetResult==null||(getSetResult!=null&& StringUtils.equals(lockValueStr,getSetResult))){
//真正获取到锁
closeOrder(Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK);
}else{
log.info("没有获取到分布式锁:{}",Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK);
}
}else{
log.info("没有获取到分布式锁:{}",Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK);
}
}
log.info("关闭订单定时任务结束");
}
private void closeOrder(String lockName){
RedisShardedPoolUtil.expire(lockName,50);//有效期5秒，防止死锁
log.info("获取{} ,ThreadName:{}",Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK,Thread.currentThread().getName());
int hour=Integer.parseInt(PropertiesUtil.getProperty("close.order.task.time.hour","2"));
// iOrderService.closeorder(hour);
RedisShardedPoolUtil.del(Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK);
log.info("释放{} ,ThreadName:{}",Const.REDIS_LOCK.CLOSE_ORDER_TASK_LOCK,Thread.currentThread().getName());
log.info("============================");
}
}
