QuartzManager.java

package com.bootdo.common.quartz.utils;

import com.bootdo.common.domain.ScheduleJob;
import org.quartz.*;
import org.quartz.DateBuilder.IntervalUnit;
import org.quartz.impl.matchers.GroupMatcher;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;
/**
 * 
 * 
 * @title: QuartzManager.java
 * @description: 计划任务管理
 *
 */
@Service
public class QuartzManager {
	public final Logger log = LoggerFactory.getLogger(QuartzManager.class);
	// private SchedulerFactoryBean schedulerFactoryBean
	// =SpringContextHolder.getBean(SchedulerFactoryBean.class);
	// @Autowired
	// @Qualifier("schedulerFactoryBean")
	// private SchedulerFactoryBean schedulerFactoryBean;
	@Autowired
	private Scheduler scheduler;

	/**
	 * 添加任务
	 * 
	 * @param scheduleJob
	 * @throws SchedulerException
	 */
	
	public void addJob(ScheduleJob job) {
		try {
			// 创建jobDetail实例，绑定Job实现类
			// 指明job的名称，所在组的名称，以及绑定job类

			Class<? extends Job> jobClass = (Class<? extends Job>) (Class.forName(job.getBeanClass()).newInstance()
					.getClass());
			JobDetail jobDetail = JobBuilder.newJob(jobClass).withIdentity(job.getJobName(), job.getJobGroup())// 任务名称和组构成任务key
					.build();
			// 定义调度触发规则
			// 使用cornTrigger规则
			Trigger trigger = TriggerBuilder.newTrigger().withIdentity(job.getJobName(), job.getJobGroup())// 触发器key
					.startAt(DateBuilder.futureDate(1, IntervalUnit.SECOND))
					.withSchedule(CronScheduleBuilder.cronSchedule(job.getCronExpression())).startNow().build();
			// 把作业和触发器注册到任务调度中
			scheduler.scheduleJob(jobDetail, trigger);
			// 启动
			if (!scheduler.isShutdown()) {
				scheduler.start();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
//	public void addJob(ScheduleJob job) throws SchedulerException {
//		if (job == null || !ScheduleJob.STATUS_RUNNING.equals(job.getJobStatus())) {
//			return;
//		}
//
//		TriggerKey triggerKey = TriggerKey.triggerKey(job.getJobName(), job.getJobGroup());
//
//		CronTrigger trigger = (CronTrigger) scheduler.getTrigger(triggerKey);
//
//		// 不存在，创建一个
//
//		if (null == trigger) {
//			Class<? extends Job> clazz = ScheduleJob.CONCURRENT_IS.equals(job.getIsConcurrent())
//					? QuartzJobFactory.class
//					: QuartzJobFactoryDisallowConcurrentExecution.class;
//
//			JobDetail jobDetail = JobBuilder.newJob(clazz).withIdentity(job.getJobName(), job.getJobGroup()).build();
//
//			jobDetail.getJobDataMap().put("scheduleJob", job);
//
//			CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(job.getCronExpression());
//
//			trigger = TriggerBuilder.newTrigger().withIdentity(job.getJobName(), job.getJobGroup())
//					.withSchedule(scheduleBuilder).build();
//
//			scheduler.scheduleJob(jobDetail, trigger);
//		} else {
//			// Trigger已存在，那么更新相应的定时设置
//
//			CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(job.getCronExpression());
//
//			// 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
//
//			scheduler.rescheduleJob(triggerKey, trigger);
//		}
//	}

	/**
	 * 获取所有计划中的任务列表
	 * 
	 * @return
	 * @throws SchedulerException
	 */
	public List<ScheduleJob> getAllJob() throws SchedulerException {
		GroupMatcher<JobKey> matcher = GroupMatcher.anyJobGroup();
		Set<JobKey> jobKeys = scheduler.getJobKeys(matcher);
		List<ScheduleJob> jobList = new ArrayList<ScheduleJob>();
		for (JobKey jobKey : jobKeys) {
			List<? extends Trigger> triggers = scheduler.getTriggersOfJob(jobKey);
			for (Trigger trigger : triggers) {
				ScheduleJob job = new ScheduleJob();
				job.setJobName(jobKey.getName());
				job.setJobGroup(jobKey.getGroup());
				job.setDescription("触发器:" + trigger.getKey());
				Trigger.TriggerState triggerState = scheduler.getTriggerState(trigger.getKey());
				job.setJobStatus(triggerState.name());
				if (trigger instanceof CronTrigger) {
					CronTrigger cronTrigger = (CronTrigger) trigger;
					String cronExpression = cronTrigger.getCronExpression();
					job.setCronExpression(cronExpression);
				}
				jobList.add(job);
			}
		}
		return jobList;
	}

	/**
	 * 所有正在运行的job
	 * 
	 * @return
	 * @throws SchedulerException
	 */
	public List<ScheduleJob> getRunningJob() throws SchedulerException {
		List<JobExecutionContext> executingJobs = scheduler.getCurrentlyExecutingJobs();
		List<ScheduleJob> jobList = new ArrayList<ScheduleJob>(executingJobs.size());
		for (JobExecutionContext executingJob : executingJobs) {
			ScheduleJob job = new ScheduleJob();
			JobDetail jobDetail = executingJob.getJobDetail();
			JobKey jobKey = jobDetail.getKey();
			Trigger trigger = executingJob.getTrigger();
			job.setJobName(jobKey.getName());
			job.setJobGroup(jobKey.getGroup());
			job.setDescription("触发器:" + trigger.getKey());
			Trigger.TriggerState triggerState = scheduler.getTriggerState(trigger.getKey());
			job.setJobStatus(triggerState.name());
			if (trigger instanceof CronTrigger) {
				CronTrigger cronTrigger = (CronTrigger) trigger;
				String cronExpression = cronTrigger.getCronExpression();
				job.setCronExpression(cronExpression);
			}
			jobList.add(job);
		}
		return jobList;
	}

	/**
	 * 暂停一个job
	 * 
	 * @param scheduleJob
	 * @throws SchedulerException
	 */
	public void pauseJob(ScheduleJob scheduleJob) throws SchedulerException {
		JobKey jobKey = JobKey.jobKey(scheduleJob.getJobName(), scheduleJob.getJobGroup());
		scheduler.pauseJob(jobKey);
	}

	/**
	 * 恢复一个job
	 * 
	 * @param scheduleJob
	 * @throws SchedulerException
	 */
	public void resumeJob(ScheduleJob scheduleJob) throws SchedulerException {
		JobKey jobKey = JobKey.jobKey(scheduleJob.getJobName(), scheduleJob.getJobGroup());
		scheduler.resumeJob(jobKey);
	}

	/**
	 * 删除一个job
	 * 
	 * @param scheduleJob
	 * @throws SchedulerException
	 */
	public void deleteJob(ScheduleJob scheduleJob) throws SchedulerException {
		JobKey jobKey = JobKey.jobKey(scheduleJob.getJobName(), scheduleJob.getJobGroup());
		scheduler.deleteJob(jobKey);

	}

	/**
	 * 立即执行job
	 * 
	 * @param scheduleJob
	 * @throws SchedulerException
	 */
	public void runAJobNow(ScheduleJob scheduleJob) throws SchedulerException {
		JobKey jobKey = JobKey.jobKey(scheduleJob.getJobName(), scheduleJob.getJobGroup());
		scheduler.triggerJob(jobKey);
	}

	/**
	 * 更新job时间表达式
	 * 
	 * @param scheduleJob
	 * @throws SchedulerException
	 */
	public void updateJobCron(ScheduleJob scheduleJob) throws SchedulerException {

		TriggerKey triggerKey = TriggerKey.triggerKey(scheduleJob.getJobName(), scheduleJob.getJobGroup());

		CronTrigger trigger = (CronTrigger) scheduler.getTrigger(triggerKey);

		CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(scheduleJob.getCronExpression());

		trigger = trigger.getTriggerBuilder().withIdentity(triggerKey).withSchedule(scheduleBuilder).build();

		scheduler.rescheduleJob(triggerKey, trigger);
	}
}