springboot+quartz 动态化配置定时任务

package com.example.task.config; import org.quartz.*; import org.quartz.impl.StdSchedulerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import java.util.Date; /** * @author panchungang * @Description: 任务调度处理 * @Date 2018/7/24 11:00 * @Version 1.0 */ @Configuration public class QuartzScheduler { // 任务调度 @Autowired private Scheduler scheduler; /** * 初始注入scheduler * @return * @throws SchedulerException */ @Bean public Scheduler scheduler() throws SchedulerException{ SchedulerFactory schedulerFactoryBean = new StdSchedulerFactory(); return schedulerFactoryBean.getScheduler(); } /** * 开始执行所有任务 * * @throws SchedulerException */ public void startJob() throws SchedulerException { addJob(scheduler); //startJob2(scheduler); scheduler.start(); } /** * 获取Job信息 * * @param name 任务名称 * @param group 任务分组 * @return * @throws SchedulerException */ public String getJobInfo(String name, String group) throws SchedulerException { TriggerKey triggerKey = new TriggerKey(name, group); CronTrigger cronTrigger = (CronTrigger) scheduler.getTrigger(triggerKey); return String.format("time:%s,state:%s", cronTrigger.getCronExpression(), scheduler.getTriggerState(triggerKey).name()); } /** * 修改某个任务的执行时间 * * @param name 任务名称 * @param group 任务分组 * @param time 时间表达式 * @return * @throws SchedulerException */ public boolean modifyJob(String name, String group, String time) throws SchedulerException { Date date = null; TriggerKey triggerKey = new TriggerKey(name, group); CronTrigger cronTrigger = (CronTrigger) scheduler.getTrigger(triggerKey); String oldTime = cronTrigger.getCronExpression(); if (!oldTime.equalsIgnoreCase(time)) { CronScheduleBuilder cronScheduleBuilder = CronScheduleBuilder.cronSchedule(time); CronTrigger trigger = TriggerBuilder.newTrigger().withIdentity(name, group) .withSchedule(cronScheduleBuilder).build(); date = scheduler.rescheduleJob(triggerKey, trigger); } return date != null; } /** * 暂停所有任务 * * @throws SchedulerException */ public void pauseAllJob() throws SchedulerException { scheduler.pauseAll(); } /** * 暂停某个任务 * @param name 任务名称 * @param group 任务分组 * @throws SchedulerException */ public void pauseJob(String name, String group) throws SchedulerException { JobKey jobKey = new JobKey(name, group); JobDetail jobDetail = scheduler.getJobDetail(jobKey); if (jobDetail == null){ return; } scheduler.pauseJob(jobKey); } /** * 恢复所有任务 * * @throws SchedulerException */ public void resumeAllJob() throws SchedulerException { scheduler.resumeAll(); } /** * 恢复某个任务 * * @param name 任务名称 * @param group 任务分组 * @throws SchedulerException */ public void resumeJob(String name, String group) throws SchedulerException { JobKey jobKey = new JobKey(name, group); JobDetail jobDetail = scheduler.getJobDetail(jobKey); if (jobDetail == null){ return; } scheduler.resumeJob(jobKey); } /** * 删除某个任务 * * @param name 名称 * @param group 任务分组 * @throws SchedulerException */ public void deleteJob(String name, String group) throws SchedulerException { JobKey jobKey = new JobKey(name, group); JobDetail jobDetail = scheduler.getJobDetail(jobKey); if (jobDetail == null) { return; } scheduler.deleteJob(jobKey); } /** * 创建一个任务 * @param scheduler * @throws SchedulerException */ private void addJob(Scheduler scheduler) throws SchedulerException { // 通过JobBuilder构建JobDetail实例，JobDetail规定只能是实现Job接口的实例 // JobDetail 是具体Job实例 JobDetail jobDetail = JobBuilder.newJob(SchedulerQuartzJob.class).withIdentity("job1", "group1").build(); // 基于表达式构建触发器 CronScheduleBuilder cronScheduleBuilder = CronScheduleBuilder.cronSchedule("0/5 * * * * ?"); // CronTrigger表达式触发器 继承于Trigger // TriggerBuilder 用于构建触发器实例 CronTrigger cronTrigger = TriggerBuilder.newTrigger().withIdentity("job1", "group1") .withSchedule(cronScheduleBuilder).build(); scheduler.scheduleJob(jobDetail, cronTrigger); } }