Spring动态配置计时器触发时间的实例代码
Spring中添加计时器的时候根据业务需求可能会需要动态处理触发时间;
importorg.slf4j.Logger;
importorg.slf4j.LoggerFactory;
importorg.springframework.scheduling.Trigger;
importorg.springframework.scheduling.TriggerContext;
importorg.springframework.scheduling.annotation.EnableScheduling;
importorg.springframework.scheduling.annotation.SchedulingConfigurer;
importorg.springframework.scheduling.config.ScheduledTaskRegistrar;
importorg.springframework.scheduling.support.CronTrigger;
importorg.springframework.stereotype.Component;
importjava.util.Date;
@Component
@EnableScheduling
publicclassSchedulerTestimplementsSchedulingConfigurer{
privatefinalstaticLoggerlogger=LoggerFactory.getLogger(SchedulerTest.class);
publicvoidconfigureTasks(ScheduledTaskRegistrarscheduledTaskRegistrar){
//注册计时任务到Scheduling接口
scheduledTaskRegistrar.addTriggerTask(newRunnable(){
publicvoidrun(){
logger.info("taskjobisrunning...");
}
},newTrigger(){
publicDatenextExecutionTime(TriggerContexttriggerContext){
CronTriggercronTrigger=newCronTrigger("时间表达式");
DatenextExec=cronTrigger.nextExecutionTime(triggerContext);
returnnextExec;
}
});
}
}
PS:多个计时任务添加的时候只用都注册到Spring中即可
总结
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