定时任务阻塞

PC-202403201522\Administrator

2024-05-13 7d43a7f0a3ea90a152a9d0e52fde1e0f13272c10

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package com.nq.utils.task.news;
 
import com.nq.service.ISiteArticleService;
import com.nq.service.ISiteNewsService;
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 java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
//import org.springframework.scheduling.annotation.Scheduled;
 
 
@Component
public class NewsTask {
    private static final Logger log = LoggerFactory.getLogger(NewsTask.class);
 
    @Autowired
    ISiteNewsService iSiteNewsService;
 
    @Autowired
    ISiteArticleService iSiteArticleService;
 
    boolean NewsInfoTask = true;
 
    private final Lock NewsInfoTaskLock = new ReentrantLock();
    /*
    * 新聞資訊抓取
    * */
    @Scheduled(cron = "0/1 * * * * ?")
    public void NewsInfoTask() {
        if (NewsInfoTask)
            NewsInfoTask = false;
        else return;
        if (NewsInfoTaskLock.tryLock()) {
            try {
                System.out.println("新闻定时任务---->开始");
                this.iSiteNewsService.grabNews();
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                NewsInfoTaskLock.unlock();
                NewsInfoTask = true;
            }
            System.out.println("新闻定时任务---->结束");
        }
    }
 
    /*
     * 新聞公告抓取
     * */
//    @Scheduled(cron = "0 0/30 9-20 * * ?")
//    public void ArtInfoTask() {
//        this.iSiteArticleService.grabArticle();
//    }
}