quartz2.x的quartzmanager与1.x有些变化
package com.kedacom.ics.quartz.support;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.quartz.CronScheduleBuilder;
import org.quartz.CronTrigger;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.JobKey;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.SchedulerFactory;
import org.quartz.Trigger;
import org.quartz.Trigger.TriggerState;
import org.quartz.TriggerBuilder;
import org.quartz.TriggerKey;
import org.quartz.TriggerUtils;
import org.quartz.impl.StdSchedulerFactory;
import org.quartz.impl.triggers.CronTriggerImpl;
import org.springframework.stereotype.Component;
/**
* quartz管理类
* @author wangshuxuan
* @date 2018/9/13 13:44
*/
@Component("quartzManager")
public class QuartzManager {
private static SchedulerFactory gSchedulerFactory = new StdSchedulerFactory();
/**
* @Description: 添加一个定时任务
* @param jobName
* 任务名
* @param triggerName
* 触发器名
* @param jobClass
* 任务
* @param cron
* 时间设置，参考quartz说明文档
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public static void addJob(String jobName, String triggerName,
Class jobClass, String cron) {
try {
Scheduler sched = gSchedulerFactory.getScheduler();
JobDetail job = JobBuilder.newJob(jobClass).withIdentity(jobName).build();
// 表达式调度构建器
CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(cron);
// 按新的cronExpression表达式构建一个新的trigger
Trigger trigger = TriggerBuilder.newTrigger().withIdentity(triggerName)
.withSchedule(scheduleBuilder).build();
sched.scheduleJob(job, trigger);
// 启动
if (!sched.isShutdown()) {
sched.start();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description: 修改一个任务的触发时间(使用默认的任务组名，触发器名，触发器组名)
* @param triggerName
* @param cron
*/
public static void modifyJobTime(String triggerName, String cron) {
TriggerKey triggerKey = TriggerKey.triggerKey(triggerName);
try {
Scheduler sched = gSchedulerFactory.getScheduler();
CronTrigger trigger = (CronTrigger) sched.getTrigger(triggerKey);
if (trigger == null) {
return;
}
String oldTime = trigger.getCronExpression();
if (!oldTime.equalsIgnoreCase(cron)) {
CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(cron);
// 按新的cronExpression表达式重新构建trigger
trigger = trigger.getTriggerBuilder().withIdentity(triggerKey).withSchedule(scheduleBuilder).build();
// 按新的trigger重新设置job执行
sched.rescheduleJob(triggerKey, trigger);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description:修改任务，（可以修改任务名，任务类，触发时间）
* 原理：移除原来的任务，添加新的任务
* @param oldJobName ：原任务名
* @param jobName
* @param jobclass
* @param cron
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public static void modifyJob(String oldJobName, String jobName, Class jobclass, String cron) {
/*
* removeJob(oldJobName);
* addJob(jobName, jobclass, cron);
* System.err.println("修改任务"+oldJobName);
*/
TriggerKey triggerKey = TriggerKey.triggerKey(oldJobName);
JobKey jobKey = JobKey.jobKey(oldJobName);
try {
Scheduler sched = gSchedulerFactory.getScheduler();
Trigger trigger = (Trigger) sched.getTrigger(triggerKey);
if (trigger == null) {
return;
}
sched.pauseTrigger(triggerKey);// 停止触发器
sched.unscheduleJob(triggerKey);// 移除触发器
sched.deleteJob(jobKey);// 删除任务
System.err.println("移除任务:" + oldJobName);
JobDetail job = JobBuilder.newJob(jobclass).withIdentity(jobName).build();
// 表达式调度构建器
CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(cron);
// 按新的cronExpression表达式构建一个新的trigger
Trigger newTrigger = TriggerBuilder.newTrigger().withIdentity(jobName)
.withSchedule(scheduleBuilder).build();
// 交给scheduler去调度
sched.scheduleJob(job, newTrigger);
// 启动
if (!sched.isShutdown()) {
sched.start();
System.err.println("添加新任务:" + jobName);
}
System.err.println("修改任务【" + oldJobName + "】为:" + jobName);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description 移除一个任务(使用默认的任务组名，触发器名，触发器组名)
* @param jobName
*//*
public static void removeJob(String jobName) {
TriggerKey triggerKey = TriggerKey.triggerKey(jobName);
JobKey jobKey = JobKey.jobKey(jobName);
try {
Scheduler sched = gSchedulerFactory.getScheduler();
Trigger trigger = (Trigger) sched.getTrigger(triggerKey);
if (trigger == null) {
return;
}
sched.pauseTrigger(triggerKey);// 停止触发器
sched.unscheduleJob(triggerKey);// 移除触发器
sched.deleteJob(jobKey);// 删除任务
System.err.println("移除任务:"+jobName);
} catch (Exception e) {
throw new RuntimeException(e);
}
}*/
/**
* @Description: 移除一个任务
* @param jobName
* @param triggerName
*/
public static void removeJob(String jobName, String triggerName) {
TriggerKey triggerKey = TriggerKey.triggerKey(triggerName);
JobKey jobKey = JobKey.jobKey(jobName);
try {
Scheduler sched = gSchedulerFactory.getScheduler();
sched.pauseTrigger(triggerKey);// 停止触发器
sched.unscheduleJob(triggerKey);// 移除触发器
sched.deleteJob(jobKey);// 删除任务
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description:暂停一个任务(使用默认组名)
* @param jobName
*/
public static void pauseJob(String jobName) {
JobKey jobKey = JobKey.jobKey(jobName);
try {
Scheduler sched = gSchedulerFactory.getScheduler();
sched.pauseJob(jobKey);
} catch (SchedulerException e) {
e.printStackTrace();
}
}
/**
* @Description:恢复一个任务(使用默认组名)
* @param jobName
*/
public static void resumeJob(String jobName) {
JobKey jobKey = JobKey.jobKey(jobName);
try {
Scheduler sched = gSchedulerFactory.getScheduler();
sched.resumeJob(jobKey);
} catch (SchedulerException e) {
e.printStackTrace();
}
}
/**
* @Description:启动所有定时任务
*/
public static void startJobs() {
try {
Scheduler sched = gSchedulerFactory.getScheduler();
sched.start();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description 关闭所有定时任务
*/
public static void shutdownJobs() {
try {
Scheduler sched = gSchedulerFactory.getScheduler();
if (!sched.isShutdown()) {
sched.shutdown();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @Description: 立即运行任务，这里的立即运行，只会运行一次，方便测试时用。
* @param jobName
*/
public static void triggerJob(String jobName) {
JobKey jobKey = JobKey.jobKey(jobName);
try {
Scheduler sched = gSchedulerFactory.getScheduler();
sched.triggerJob(jobKey);
} catch (SchedulerException e) {
e.printStackTrace();
}
}
/**
* @Description: 获取任务状态
* NONE: 不存在
* NORMAL: 正常
* PAUSED: 暂停
* COMPLETE:完成
* ERROR : 错误
* BLOCKED : 阻塞
* @param triggerName 触发器名
*/
public static String getTriggerState(String triggerName){
TriggerKey triggerKey = TriggerKey.triggerKey(triggerName);
String name = null;
try {
Scheduler sched = gSchedulerFactory.getScheduler();
TriggerState triggerState = sched.getTriggerState(triggerKey);
name = triggerState.name();
} catch (SchedulerException e) {
e.printStackTrace();
}
return name;
}
/**
* @Description:获取最近8次执行时间
* @param cron
*/
public static List<String> getRecentTriggerTime(String cron) {
List<String> list = new ArrayList<String>();
try {
CronTriggerImpl cronTriggerImpl = new CronTriggerImpl();
cronTriggerImpl.setCronExpression(cron);
// 这个是重点，一行代码搞定
List<Date> dates = TriggerUtils.computeFireTimes(cronTriggerImpl, null, 8);
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
for (Date date : dates) {
list.add(dateFormat.format(date));
}
} catch (ParseException e) {
e.printStackTrace();
}
return list;
}
}