Quartz总结(三):动态修改定时器一

时间:2023-03-08 17:20:51
package com.mc.bsframe.job;

import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.TriggerKey;
import org.quartz.impl.triggers.SimpleTriggerImpl;
import org.springframework.beans.factory.annotation.Autowired; import com.mc.bsframe.service.TestService;
import com.mc.bsframe.util.TimeUtils; public class TestJob { @Autowired
private TestService testSevice; public void doSomething() {
testSevice.sayHi();
System.err.println("****:" + TimeUtils.getCurrentTime());
} private Scheduler scheduler; public Scheduler getScheduler() {
return scheduler;
} public void setScheduler(Scheduler scheduler) {
this.scheduler = scheduler;
} public void restJob(long time) {
TriggerKey triggerKey=new TriggerKey("testTrigger", Scheduler.DEFAULT_GROUP);
SimpleTriggerImpl simpleTrigger=null;
try {
simpleTrigger= (SimpleTriggerImpl) scheduler.getTrigger(triggerKey);
} catch (SchedulerException e) {
e.printStackTrace();
}
simpleTrigger.setRepeatInterval(time); try {
scheduler.rescheduleJob(triggerKey,simpleTrigger);
} catch (SchedulerException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}

代码如上:在任务类中注入Scheduler,然后添加restJob方法。

配置文件如下:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> <!-- 要执行任务的任务类。 -->
<bean id="testQuartz" class="com.mc.bsframe.job.TestJob">
<property name="scheduler" ref="schedulerFactoryBean"></property>
</bean> <!-- 将需要执行的定时任务注入JOB中。 -->
<bean id="testJob" class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean">
<property name="targetObject" ref="testQuartz"></property>
<!-- 任务类中需要执行的方法 -->
<property name="targetMethod" value="doSomething"></property>
<!-- 上一次未执行完成的,要等待有再执行。 -->
<property name="concurrent" value="false"></property>
</bean> <!-- 基本的定时器,会绑定具体的任务。 -->
<bean id="testTrigger" class="org.springframework.scheduling.quartz.SimpleTriggerFactoryBean">
<property name="jobDetail" ref="testJob"></property>
<property name="startDelay" value="3000"></property>
<property name="repeatInterval" value="2000"></property>
</bean> <bean id="schedulerFactoryBean" class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
<property name="triggers">
<list>
<ref bean="testTrigger"></ref>
</list>
</property>
</bean>
</beans>

使用方法:

    @Autowired
@Qualifier(value="testQuartz")
private TestJob job; @RequestMapping("/job")
public void job(Long time){
job.restJob(time);
}