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47 lines
1.6 KiB
47 lines
1.6 KiB
package web.util;
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import db.model.bilibili.ScheduledTaskEntity;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import org.hibernate.criterion.DetachedCriteria;
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import org.springframework.context.ApplicationListener;
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import org.springframework.context.event.ContextRefreshedEvent;
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import org.springframework.scheduling.TriggerContext;
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import org.springframework.scheduling.config.ScheduledTaskRegistrar;
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import org.springframework.scheduling.config.TriggerTask;
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import org.springframework.scheduling.support.CronTrigger;
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import org.springframework.stereotype.Service;
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import web.service.BiliService;
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import javax.annotation.Resource;
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import java.util.Date;
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/**
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* Created by reborn on 2017/5/8.
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* 动态定时器任务管理类
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*/
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@Service
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public class DynamicTimer extends ScheduledTaskRegistrar implements ApplicationListener<ContextRefreshedEvent> {
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@Resource
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private BiliService biliService;
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private static Logger log=LogManager.getLogger();
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public void addTriggerTask(ScheduledTaskEntity scheduledTaskEntity) {
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super.scheduleTriggerTask(new TriggerTask(()->{
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},(TriggerContext triggerContext)->{
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CronTrigger trigger = new CronTrigger(scheduledTaskEntity.getExpression());
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log.debug(triggerContext+"");
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Date nextExec = trigger.nextExecutionTime(triggerContext);
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return nextExec;
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}));
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}
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@Override
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public void onApplicationEvent(ContextRefreshedEvent contextRefreshedEvent) {
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biliService.find(DetachedCriteria.forClass(ScheduledTaskEntity.class)).forEach(entity->addTriggerTask((ScheduledTaskEntity)entity));
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}
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} |