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2024-03-27 533f1b6ba44f398d1860a95e38589fbc13d60d44

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package org.example.timedTask;
 
import org.example.enums.EStockType;
import org.example.server.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;
 
    private final Lock lock = new ReentrantLock();
 
    /*
    * 新聞資訊抓取
    * */
    @Scheduled(cron = "0 * 0/5 * * ?")
    public void NewsInfoTask() {
        if (lock.tryLock()) {
            log.info("新聞資訊抓取--------->开始");
            try {
                iSiteNewsService.grabNews();
            } finally {
                lock.unlock();
                log.info("新聞資訊抓取--------->结束");
            }
        } else {
            log.info("新聞資訊抓取--------->上次任务还未执行完成，本次任务忽略");
        }
    }
}