Quartz定时任务管理-优快云博客

本文链接：https://blog.youkuaiyun.com/lgddb00000/article/details/78799952

package stock.simulator.trader.web.quartz;

import org.quartz.Scheduler;
import org.quartz.impl.StdSchedulerFactory;

public class QuartzJobManager {

    public static QuartzJobManager I = new QuartzJobManager();
    Scheduler sche = null;

    public QuartzJobManager() {
    }

    public void init() {
        try {
            sche = new StdSchedulerFactory().getScheduler();
            // 
            QuartzManager.addJob(sche, "测试", Test.class, "0 */1 * * * ?");


        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}

// *****---项目初始化的时候实例化这个类即可---*******

package stock.simulator.trader.web.quartz;

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.SchedulerFactory;
import org.quartz.Trigger;
import org.quartz.TriggerBuilder;
import org.quartz.TriggerKey;
import org.quartz.impl.StdSchedulerFactory;

public class QuartzManager {

    private static SchedulerFactory schedulerFactory = new StdSchedulerFactory();
    private static String JOB_GROUP_NAME = "EXTJWEB_JOBGROUP_NAME";
    private static String TRIGGER_GROUP_NAME = "EXTJWEB_TRIGGERGROUP_NAME";

    /**
     * @Description: 添加一个定时任务，使用默认的任务组名，触发器名，触发器组名
     *
     * @param sched
     *            调度器
     *
     * @param jobName
     *            任务名
     * @param cls
     *            任务
     * @param time
     *            时间设置，参考quartz说明文档
     *
     * @Title: QuartzManager.java
     */
    @SuppressWarnings("unchecked")
    public static void addJob(Scheduler sched, String jobName, @SuppressWarnings("rawtypes") Class cls, String time) {
        try {

            // 任务名，任务组，任务执行类
            JobDetail jobDetail= JobBuilder.newJob(cls).withIdentity(jobName, JOB_GROUP_NAME).build();

            // 触发器
            TriggerBuilder<Trigger> triggerBuilder = TriggerBuilder.newTrigger();
            // 触发器名,触发器组
            triggerBuilder.withIdentity(jobName, TRIGGER_GROUP_NAME);
            triggerBuilder.startNow();
            // 触发器时间设定
            triggerBuilder.withSchedule(CronScheduleBuilder.cronSchedule(time));
            // 创建Trigger对象
            CronTrigger trigger = (CronTrigger) triggerBuilder.build();

            // 调度容器设置JobDetail和Trigger
            sched.scheduleJob(jobDetail, trigger);

            // 启动
            if (!sched.isShutdown()) {
                sched.start();
            }

        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }



    /**
     * @Description: 添加一个定时任务
     *
     * @param jobName 任务名
     * @param jobGroupName  任务组名
     * @param triggerName 触发器名
     * @param triggerGroupName 触发器组名
     * @param jobClass  任务
     * @param cron   时间设置，参考quartz说明文档
     */
    @SuppressWarnings({ "unchecked", "rawtypes" })
    public static void addJob(String jobName, String jobGroupName,
                              String triggerName, String triggerGroupName, Class jobClass, String cron) {
        try {
            Scheduler sched = schedulerFactory.getScheduler();
            // 任务名，任务组，任务执行类
            JobDetail jobDetail= JobBuilder.newJob(jobClass).withIdentity(jobName, jobGroupName).build();

            // 触发器
            TriggerBuilder<Trigger> triggerBuilder = TriggerBuilder.newTrigger();
            // 触发器名,触发器组
            triggerBuilder.withIdentity(triggerName, triggerGroupName);
            triggerBuilder.startNow();
            // 触发器时间设定
            triggerBuilder.withSchedule(CronScheduleBuilder.cronSchedule(cron));
            // 创建Trigger对象
            CronTrigger trigger = (CronTrigger) triggerBuilder.build();

            // 调度容器设置JobDetail和Trigger
            sched.scheduleJob(jobDetail, 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
     *
     * @param jobName
     * @param jobGroupName
     * @param triggerName 触发器名
     * @param triggerGroupName 触发器组名
     * @param cron   时间设置，参考quartz说明文档
     */
    public static void modifyJobTime(String jobName,
                                     String jobGroupName, String triggerName, String triggerGroupName, String cron) {
        try {
            Scheduler sched = schedulerFactory.getScheduler();
            TriggerKey triggerKey = TriggerKey.triggerKey(triggerName, triggerGroupName);
            CronTrigger trigger = (CronTrigger) sched.getTrigger(triggerKey);
            if (trigger == null) {
                return;
            }

            String oldTime = trigger.getCronExpression();
            if (!oldTime.equalsIgnoreCase(cron)) {
                /** 方式一 ：调用 rescheduleJob 开始 */
                // 触发器
                TriggerBuilder<Trigger> triggerBuilder = TriggerBuilder.newTrigger();
                // 触发器名,触发器组
                triggerBuilder.withIdentity(triggerName, triggerGroupName);
                triggerBuilder.startNow();
                // 触发器时间设定
                triggerBuilder.withSchedule(CronScheduleBuilder.cronSchedule(cron));
                // 创建Trigger对象
                trigger = (CronTrigger) triggerBuilder.build();
                // 方式一 ：修改一个任务的触发时间
                sched.rescheduleJob(triggerKey, trigger);
                /** 方式一 ：调用 rescheduleJob 结束 */

                /** 方式二：先删除，然后在创建一个新的Job  */
                //JobDetail jobDetail = sched.getJobDetail(JobKey.jobKey(jobName, jobGroupName));
                //Class<? extends Job> jobClass = jobDetail.getJobClass();
                //removeJob(jobName, jobGroupName, triggerName, triggerGroupName);
                //addJob(jobName, jobGroupName, triggerName, triggerGroupName, jobClass, cron);
                /** 方式二 ：先删除，然后在创建一个新的Job */
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * @Description: 移除一个任务
     *
     * @param jobName
     * @param jobGroupName
     * @param triggerName
     * @param triggerGroupName
     */
    public static void removeJob(String jobName, String jobGroupName,
                                 String triggerName, String triggerGroupName) {
        try {
            Scheduler sched = schedulerFactory.getScheduler();

            TriggerKey triggerKey = TriggerKey.triggerKey(triggerName, triggerGroupName);

            sched.pauseTrigger(triggerKey);// 停止触发器
            sched.unscheduleJob(triggerKey);// 移除触发器
            sched.deleteJob(JobKey.jobKey(jobName, jobGroupName));// 删除任务
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * @Description:启动所有定时任务
     */
    public static void startJobs() {
        try {
            Scheduler sched = schedulerFactory.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 = schedulerFactory.getScheduler();
            if (!sched.isShutdown()) {
                sched.shutdown();
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    public static void shutdownJobs(Scheduler sched) {
        try {
            if (!sched.isShutdown()) {
                sched.shutdown();
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}

package stock.simulator.trader.web.quartz;

import org.quartz.DisallowConcurrentExecution;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;

@DisallowConcurrentExecution
public class Test implements Job {

    @Override
    public void execute(JobExecutionContext context) throws JobExecutionException {

        // do something...

    }
}

quartz工厂