QuartzUtil.java
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package com.subsidy.util;
import com.subsidy.common.exception.HttpException;
import org.quartz.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.Date;
import java.util.List;
import java.util.Map;
import static org.quartz.DateBuilder.futureDate;
@Component
public class QuartzUtil {
@Autowired
private Scheduler scheduler;
public static void main(String[] args) {
System.out.println(DateFormatUtil.parse("2022-06-28 11:30:47", "yyyy-MM-dd HH:mm:ss").getTime() -System.currentTimeMillis());
}
/**
* 添加定时任务，只执行一次的定时任务
*
* @param cls 执行类
* @param date 时间
* @param params 参数
* @param name 定时器名称
* @param group 定时器组名
*/
public void addSimpleJob(Class cls, Date date, Map<String, Object> params, String name, String group) {
try {
JobKey key = new JobKey(name, group);
List<Trigger> triggers = (List<Trigger>) scheduler.getTriggersOfJob(key);
if (triggers.size() == 0) {
Long time = (date.getTime() - System.currentTimeMillis()) / 1000;
JobDataMap jobDataMap = new JobDataMap();
jobDataMap.put("params", params);
JobDetail jobDetail = JobBuilder.newJob(cls)
.withIdentity(name, group)
.usingJobData(jobDataMap)
.build();
SimpleTrigger trigger = (SimpleTrigger) TriggerBuilder.newTrigger()
.withIdentity(name, group)
.startAt(futureDate(Math.toIntExact(time), DateBuilder.IntervalUnit.SECOND))
.build();
scheduler.scheduleJob(jobDetail, trigger);
if (!scheduler.isShutdown()) {
scheduler.start();
}
}
} catch (Exception e) {
e.printStackTrace();
throw new HttpException(70002);
}
}
/**
* 添加定时任务，循环不断执行的定时任务
*
* @param cls 执行类
* @param cron cron 表达式
* @param params 参数
* @param name 定时器名称
* @param group 定时器组名
*/
public void addCronJob(Class cls, String cron, Map<String, Object> params, String name, String group) {
try {
JobKey key = new JobKey(name, group);
List<Trigger> triggers = (List<Trigger>) scheduler.getTriggersOfJob(key);
if (triggers.size() == 0) {
JobDataMap jobDataMap = new JobDataMap();
jobDataMap.put("params", params);
JobDetail jobDetail = JobBuilder.newJob(cls)
.withIdentity(name, group)
.usingJobData(jobDataMap)
.build();
CronTrigger trigger = TriggerBuilder.newTrigger()
.withIdentity(name, group)
.withSchedule(CronScheduleBuilder.cronSchedule(cron))
.build();
scheduler.scheduleJob(jobDetail, trigger);
if (!scheduler.isShutdown()) {
scheduler.start();
}
}
} catch (Exception e) {
throw new HttpException(70002);
}
}
/**
* 删除定时器
*
* @param name 定时器名称
* @param group 定时器组名
*/
public void deleteJob(String name, String group) {
try {
JobKey key = new JobKey(name, group);
List<Trigger> triggers = (List<Trigger>) scheduler.getTriggersOfJob(key);
if (triggers.size() > 0) {
TriggerKey triggerKey = TriggerKey.triggerKey(name, group);
scheduler.pauseTrigger(triggerKey);
scheduler.unscheduleJob(triggerKey);
scheduler.deleteJob(JobKey.jobKey(name, group));
}
} catch (Exception e) {
throw new HttpException(70003);
}
}
}