通过spring的这里用到spring的 org.springframework.scheduling.quartz.SchedulerFactoryBean 可以轻松实现对quartz中定时任务的管理。(quartz的集成见:http://lfwer.iteye.com/admin/blogs/2426954)
这里直接上代码:
package com.eversec.mastersp.business.action;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.quartz.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
@Controller
@RequestMapping("/quartz")
@Api(value = "quartz定时任务管理")
public class QuartzManagerAction {
@Autowired
private SchedulerFactoryBean schedulerFactory;
/**
* @param jobName 任务名
* @param jobGroupName 任务组名
* @param triggerName 触发器名
* @param triggerGroupName 触发器组名
* @param jobClass 任务
* @param cron 时间设置,参考quartz说明文档
* @Description: 添加一个定时任务
*/
@SuppressWarnings({"unchecked", "rawtypes"})
@ApiOperation(value = "添加一个定时任务")
@RequestMapping(value = "/addJob", method = RequestMethod.POST)
@ResponseBody
public Boolean addJob(@RequestParam String jobName, @RequestParam(required = false) String jobGroupName,
@RequestParam String triggerName, @RequestParam(required = false) String triggerGroupName, @RequestParam Class jobClass, @RequestParam String cron) {
boolean result = false;
try {
Scheduler sched = schedulerFactory.getScheduler();
// 任务名,任务组,任务执行类
JobDetail jobDetail = JobBuilder.newJob(jobClass).withIdentity(jobName, jobGroupName).build();
// 触发器
TriggerBuilder<Trigger> triggerBuilder = TriggerBuilder.newTrigger();
// 触发器名,触发器组
triggerBuilder.withIdentity(triggerName, triggerGroupName);
triggerBuilder.startNow();
// 触发器时间设定
triggerBuilder.withSchedule(CronScheduleBuilder.cronSchedule(cron));
// 创建Trigger对象
CronTrigger trigger = (CronTrigger) triggerBuilder.build();
// 调度容器设置JobDetail和Trigger
sched.scheduleJob(jobDetail, trigger);
// 启动
if (!sched.isShutdown()) {
sched.start();
}
result = true;
} catch (Exception e) {
throw new RuntimeException(e);
}
return result;
}
/**
* @param jobName
* @param jobGroupName
* @param triggerName 触发器名
* @param triggerGroupName 触发器组名
* @param cron 时间设置,参考quartz说明文档
* @Description: 修改一个任务的触发时间
*/
@ApiOperation(value = "修改一个任务的触发时间")
@RequestMapping(value = "/modifyJobTime", method = RequestMethod.POST)
@ResponseBody
public Boolean modifyJobTime(@RequestParam String jobName,
@RequestParam(required = false) String jobGroupName, @RequestParam String triggerName, @RequestParam(required = false) String triggerGroupName, @RequestParam String cron) {
boolean result = false;
try {
Scheduler sched = schedulerFactory.getScheduler();
TriggerKey triggerKey = TriggerKey.triggerKey(triggerName, triggerGroupName);
CronTrigger trigger = (CronTrigger) sched.getTrigger(triggerKey);
if (trigger == null) {
return result;
}
String oldTime = trigger.getCronExpression();
if (!oldTime.equalsIgnoreCase(cron)) {
/** 方式一 :调用 rescheduleJob 开始 */
// 触发器
TriggerBuilder<Trigger> triggerBuilder = TriggerBuilder.newTrigger();
// 触发器名,触发器组
triggerBuilder.withIdentity(triggerName, triggerGroupName);
triggerBuilder.startNow();
// 触发器时间设定
triggerBuilder.withSchedule(CronScheduleBuilder.cronSchedule(cron));
// 创建Trigger对象
trigger = (CronTrigger) triggerBuilder.build();
// 方式一 :修改一个任务的触发时间
sched.rescheduleJob(triggerKey, trigger);
/** 方式一 :调用 rescheduleJob 结束 */
/** 方式二:先删除,然后在创建一个新的Job */
//JobDetail jobDetail = sched.getJobDetail(JobKey.jobKey(jobName, jobGroupName));
//Class<? extends Job> jobClass = jobDetail.getJobClass();
//removeJob(jobName, jobGroupName, triggerName, triggerGroupName);
//addJob(jobName, jobGroupName, triggerName, triggerGroupName, jobClass, cron);
/** 方式二 :先删除,然后在创建一个新的Job */
result = true;
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return result;
}
/**
* @param jobName
* @param jobGroupName
* @param triggerName
* @param triggerGroupName
* @Description: 移除一个任务
*/
@ApiOperation(value = "移除一个任务")
@RequestMapping(value = "/removeJob", method = RequestMethod.DELETE)
@ResponseBody
public Boolean removeJob(@RequestParam String jobName, @RequestParam(required = false) String jobGroupName,
@RequestParam String triggerName, @RequestParam(required = false) String triggerGroupName) {
boolean result =false;
try {
Scheduler sched = schedulerFactory.getScheduler();
TriggerKey triggerKey = TriggerKey.triggerKey(triggerName, triggerGroupName);
sched.pauseTrigger(triggerKey);// 停止触发器
sched.unscheduleJob(triggerKey);// 移除触发器
sched.deleteJob(JobKey.jobKey(jobName, jobGroupName));// 删除任务
result = true;
} catch (Exception e) {
throw new RuntimeException(e);
}
return result;
}
/**
* @Description:启动所有定时任务
*/
// @ApiOperation(value = "启动所有定时任务")
// @RequestMapping(value = "/startJobs",method = RequestMethod.GET)
public void startJobs() {
try {
Scheduler sched = schedulerFactory.getScheduler();
sched.start();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description:关闭所有定时任务
*/
// @ApiOperation(value = "关闭所有定时任务")
// @RequestMapping(value = "/shutdownJobs",method = RequestMethod.GET)
public void shutdownJobs() {
try {
Scheduler sched = schedulerFactory.getScheduler();
if (!sched.isShutdown()) {
sched.shutdown();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
比如要删除一个job,只需要这样调用:http://localhost:8080/lfwer/quartz/removeJob?jobName=xxJob&triggerName=xxTrigger。
因为我的groupName是默认的“DEFAULT”,所以不用传。
本文介绍如何使用Spring和Quartz实现定时任务管理,包括添加、修改和移除任务的方法。通过示例代码展示了如何配置定时任务,以及如何通过HTTP请求操作任务。
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