项目要求动态改变配置时间,动态改变quartz的 cron表达式,查了一下资料,大多是关于用quarz本身的表结构
下面是我的用法
一、配置spring 下面是我的配置,具体就不详细介绍了。
<!-- ******quartz 配置 主要针对审计中定义的任务 -->
<!-- 节点停止时的 具体执行-->
<bean id ="nodeStopJob"
class ="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean" >
<property name ="targetObject" ref ="delSchedule" />
<property name ="targetMethod" value ="doNodeStop" />
<property name ="concurrent" value ="false" />
</bean>
<!-- 节点停止时的 触发这里我用的是表达式,也只是simpleTrigger-->
<bean id ="nodeStopTrigger"
class ="org.springframework.scheduling.quartz.CronTriggerBean" >
<property name ="jobDetail" ref ="nodeStopJob" />
<property name ="cronExpression" >
<value >0 0/2 * * * ?</value >
</property >
</bean>
<!-- scheduler factory -->
<bean id ="schedulerFactory"
class ="org.springframework.scheduling.quartz.SchedulerFactoryBean" >
<property name ="triggers" >
<list>
<ref local ="nodeStopTrigger"/>
</list>
</property>
</bean>
二、动态改变cronExpression
//此类粗略书写,只为能表达那么个意思 public class xx { private Scheduler scheduler;//注入任务工厂 public void changeCronExpression(){ CronTriggerBean trigger = (CronTriggerBean)scheduler.getTrigger("nodeStopTrigger", Scheduler.DEFAULT_GROUP); // 设置trigger的时间规则 trigger.setCronExpression(cron); // 重置job scheduler.rescheduleJob("nodeStopTrigger", Scheduler.DEFAULT_GROUP, trigger); } public Scheduler getScheduler() { return scheduler; } public void setScheduler(Scheduler scheduler) { this.scheduler = scheduler; } }
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