package org.jeecg.modules.quartz.service.impl;
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import java.util.Date;
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import java.util.List;
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import org.jeecg.common.constant.CommonConstant;
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import org.jeecg.common.exception.JeecgBootException;
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import org.jeecg.common.util.DateUtils;
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import org.jeecg.modules.quartz.entity.QuartzJob;
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import org.jeecg.modules.quartz.mapper.QuartzJobMapper;
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import org.jeecg.modules.quartz.service.IQuartzJobService;
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import org.quartz.*;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import lombok.extern.slf4j.Slf4j;
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/**
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* @Description: 定时任务在线管理
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* @Author: jeecg-boot
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* @Date: 2019-04-28
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* @Version: V1.1
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*/
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@Slf4j
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@Service
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public class QuartzJobServiceImpl extends ServiceImpl<QuartzJobMapper, QuartzJob> implements IQuartzJobService {
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@Autowired
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private QuartzJobMapper quartzJobMapper;
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@Autowired
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private Scheduler scheduler;
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/**
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* 立即执行的任务分组
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*/
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private static final String JOB_TEST_GROUP = "test_group";
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@Override
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public List<QuartzJob> findByJobClassName(String jobClassName) {
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return quartzJobMapper.findByJobClassName(jobClassName);
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}
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/**
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* 保存&启动定时任务
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*/
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@Override
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public boolean saveAndScheduleJob(QuartzJob quartzJob) {
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if (CommonConstant.STATUS_NORMAL.equals(quartzJob.getStatus())) {
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// 定时器添加
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this.schedulerAdd(quartzJob.getJobClassName().trim(), quartzJob.getCronExpression().trim(), quartzJob.getParameter());
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}
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// DB设置修改
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quartzJob.setDelFlag(CommonConstant.DEL_FLAG_0);
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return this.save(quartzJob);
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}
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/**
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* 恢复定时任务
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*/
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@Override
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public boolean resumeJob(QuartzJob quartzJob) {
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schedulerDelete(quartzJob.getJobClassName().trim());
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schedulerAdd(quartzJob.getJobClassName().trim(), quartzJob.getCronExpression().trim(), quartzJob.getParameter());
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quartzJob.setStatus(CommonConstant.STATUS_NORMAL);
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return this.updateById(quartzJob);
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}
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/**
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* 编辑&启停定时任务
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* @throws SchedulerException
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*/
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@Override
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public boolean editAndScheduleJob(QuartzJob quartzJob) throws SchedulerException {
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if (CommonConstant.STATUS_NORMAL.equals(quartzJob.getStatus())) {
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schedulerDelete(quartzJob.getJobClassName().trim());
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schedulerAdd(quartzJob.getJobClassName().trim(), quartzJob.getCronExpression().trim(), quartzJob.getParameter());
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}else{
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scheduler.pauseJob(JobKey.jobKey(quartzJob.getJobClassName().trim()));
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}
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return this.updateById(quartzJob);
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}
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/**
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* 删除&停止删除定时任务
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*/
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@Override
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public boolean deleteAndStopJob(QuartzJob job) {
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schedulerDelete(job.getJobClassName().trim());
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boolean ok = this.removeById(job.getId());
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return ok;
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}
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@Override
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public void execute(QuartzJob quartzJob) throws Exception {
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String jobName = quartzJob.getJobClassName().trim();
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Date startDate = new Date();
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String ymd = DateUtils.date2Str(startDate,DateUtils.yyyymmddhhmmss.get());
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String identity = jobName + ymd;
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//3秒后执行 只执行一次
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startDate.setTime(startDate.getTime()+3000L);
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// 定义一个Trigger
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SimpleTrigger trigger = (SimpleTrigger)TriggerBuilder.newTrigger()
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.withIdentity(identity, JOB_TEST_GROUP)
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.startAt(startDate)
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.build();
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// 构建job信息
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JobDetail jobDetail = JobBuilder.newJob(getClass(jobName).getClass()).withIdentity(identity).usingJobData("parameter", quartzJob.getParameter()).build();
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// 将trigger和 jobDetail 加入这个调度
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scheduler.scheduleJob(jobDetail, trigger);
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// 启动scheduler
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scheduler.start();
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}
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@Override
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public void pause(QuartzJob quartzJob){
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schedulerDelete(quartzJob.getJobClassName().trim());
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quartzJob.setStatus(CommonConstant.STATUS_DISABLE);
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this.updateById(quartzJob);
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}
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/**
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* 添加定时任务
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*
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* @param jobClassName
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* @param cronExpression
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* @param parameter
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*/
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private void schedulerAdd(String jobClassName, String cronExpression, String parameter) {
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try {
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// 启动调度器
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scheduler.start();
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// 构建job信息
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JobDetail jobDetail = JobBuilder.newJob(getClass(jobClassName).getClass()).withIdentity(jobClassName).usingJobData("parameter", parameter).build();
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// 表达式调度构建器(即任务执行的时间)
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CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(cronExpression);
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// 按新的cronExpression表达式构建一个新的trigger
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CronTrigger trigger = TriggerBuilder.newTrigger().withIdentity(jobClassName).withSchedule(scheduleBuilder).build();
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scheduler.scheduleJob(jobDetail, trigger);
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} catch (SchedulerException e) {
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throw new JeecgBootException("创建定时任务失败", e);
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} catch (RuntimeException e) {
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throw new JeecgBootException(e.getMessage(), e);
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}catch (Exception e) {
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throw new JeecgBootException("后台找不到该类名：" + jobClassName, e);
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}
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}
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/**
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* 删除定时任务
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*
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* @param jobClassName
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*/
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private void schedulerDelete(String jobClassName) {
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try {
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scheduler.pauseTrigger(TriggerKey.triggerKey(jobClassName));
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scheduler.unscheduleJob(TriggerKey.triggerKey(jobClassName));
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scheduler.deleteJob(JobKey.jobKey(jobClassName));
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} catch (Exception e) {
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log.error(e.getMessage(), e);
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throw new JeecgBootException("删除定时任务失败");
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}
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}
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private static Job getClass(String classname) throws Exception {
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Class<?> class1 = Class.forName(classname);
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return (Job) class1.newInstance();
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}
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}
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