package com.ann.demo.utils;

import com.ann.demo.entity.other.QuartzBean;
import org.quartz.*;

/**
 * @Author: LeiJiaXin
 * @Date: 2019/7/13 16:53
 */
public class QuartzUtils {

    /**
     * 创建定时任务 定时任务创建之后默认启动状态
     *
     * @param scheduler  调度器
     * @param quartzBean 定时任务信息类
     * @throws Exception
     */
    public static void createScheduleJob(Scheduler scheduler, QuartzBean quartzBean) {
        try {
            //获取到定时任务的执行类  必须是类的绝对路径名称
            //定时任务类需要是job类的具体实现 QuartzJobBean是job的抽象类。
            Class<? extends Job> jobClass = (Class<? extends Job>) Class.forName(quartzBean.getJobClass());
            // 构建定时任务信息
            JobDetail jobDetail = JobBuilder.newJob(jobClass).withIdentity(quartzBean.getJobName()).build();
            // 设置定时任务执行方式
            CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(quartzBean.getCronExpression());
            // 构建触发器trigger
            CronTrigger trigger = TriggerBuilder.newTrigger().withIdentity(quartzBean.getJobName()).withSchedule(scheduleBuilder).build();
            scheduler.scheduleJob(jobDetail, trigger);
        } catch (ClassNotFoundException e) {
            System.out.println("定时任务类路径出错：请输入类的绝对路径");
        } catch (SchedulerException e) {
            System.out.println("创建定时任务出错：" + e.getMessage());
        }
    }

    /**
     * 根据任务名称暂停定时任务
     *
     * @param scheduler 调度器
     * @param jobName   定时任务名称
     * @throws SchedulerException
     */
    public static void pauseScheduleJob(Scheduler scheduler, String groupName, String jobName) {
        JobKey jobKey = JobKey.jobKey(jobName, groupName);
        try {
            scheduler.pauseJob(jobKey);
        } catch (SchedulerException e) {
            System.out.println("暂停定时任务出错：" + e.getMessage());
        }
    }

    /**
     * 根据任务名称恢复定时任务
     *
     * @param scheduler 调度器
     * @param jobName   定时任务名称
     * @throws SchedulerException
     */
    public static void resumeScheduleJob(Scheduler scheduler, String groupName, String jobName) {
        JobKey jobKey = JobKey.jobKey(jobName, groupName);
        try {
            scheduler.resumeJob(jobKey);
        } catch (SchedulerException e) {
            System.out.println("启动定时任务出错：" + e.getMessage());
        }
    }

    /**
     * 根据任务名称立即运行一次定时任务
     *
     * @param scheduler 调度器
     * @param jobName   定时任务名称
     * @throws SchedulerException
     */
    public static void runOnce(Scheduler scheduler, String jobName) {
        JobKey jobKey = JobKey.jobKey(jobName);
        try {
            scheduler.triggerJob(jobKey);
        } catch (SchedulerException e) {
            System.out.println("运行定时任务出错：" + e.getMessage());
        }
    }

    /**
     * 更新定时任务
     *
     * @param scheduler  调度器
     * @param quartzBean 定时任务信息类
     * @throws SchedulerException
     */
    public static void updateScheduleJob(Scheduler scheduler, QuartzBean quartzBean) {
        try {
            //获取到对应任务的触发器
            TriggerKey triggerKey = TriggerKey.triggerKey(quartzBean.getJobName());
            //设置定时任务执行方式
            CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(quartzBean.getCronExpression());
            //重新构建任务的触发器trigger
            CronTrigger trigger = (CronTrigger) scheduler.getTrigger(triggerKey);
            trigger = trigger.getTriggerBuilder().withIdentity(triggerKey).withSchedule(scheduleBuilder).build();
            //重置对应的job
            scheduler.rescheduleJob(triggerKey, trigger);
        } catch (SchedulerException e) {
            System.out.println("更新定时任务出错：" + e.getMessage());
        }
    }

    /**
     * 根据定时任务名称从调度器当中删除定时任务
     *
     * @param scheduler 调度器
     * @param jobName   定时任务名称
     * @throws SchedulerException
     */
    public static void deleteScheduleJob(Scheduler scheduler, String jobName) {
        JobKey jobKey = JobKey.jobKey(jobName);
        try {
            scheduler.deleteJob(jobKey);
        } catch (SchedulerException e) {
            System.out.println("删除定时任务出错：" + e.getMessage());
        }
    }
}
