spring quartz 集群配置
- - CSDN博客推荐文章Quartz 是一个开源的作业调度框架,它完全由 Java 写成,并设计用于 J2SE 和 J2EE 应用中. 它提供了巨大的灵活性而不牺牲简单性. 你能够用它来为执行一个作业而创建简单的或复杂的调度. 在项目中有大量的后台任务需要调度执行,如构建索引、统计报表、周期同步数据等等,要求任务调度系统具备高可用性、负载均衡特性,使用Quartz 会很方便.
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。直接上代码:
package com.eversec.mastersp.business.action;
import com.wordnik.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;
@Controller
@RequestMapping("/quartz")
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("/addJob")
public void addJob(String jobName, String jobGroupName,
String triggerName, String triggerGroupName, Class jobClass, String cron) {
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();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @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("/modifyJobTime")
public void modifyJobTime(String jobName,
String jobGroupName, String triggerName, String triggerGroupName, String cron) {
try {
Scheduler sched = schedulerFactory.getScheduler();
TriggerKey triggerKey = TriggerKey.triggerKey(triggerName, triggerGroupName);
CronTrigger trigger = (CronTrigger) sched.getTrigger(triggerKey);
if (trigger == null) {
return;
}
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 */
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @param jobName
* @param jobGroupName
* @param triggerName
* @param triggerGroupName
* @Description: 移除一个任务
*/
@ApiOperation(value = "移除一个任务")
@RequestMapping("/removeJob")
public void removeJob(String jobName, String jobGroupName,
String triggerName, String triggerGroupName) {
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
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description:启动所有定时任务
*/
@ApiOperation(value = "启动所有定时任务")
@RequestMapping("/startJobs")
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("/shutdownJobs")
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。