Quartz 定时任务管理类

package org.fh.util;

import java.util.Map;

import org.quartz.CronScheduleBuilder;
import org.quartz.CronTrigger;
import org.quartz.Job;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.JobKey;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.TriggerBuilder;
import org.quartz.TriggerKey;
import org.quartz.impl.StdSchedulerFactory;  

/**
 * 说明：定时任务管理类
 * 作者：FH Admin
 * from：fhadmin.cn
 */
public class QuartzManager {
    private static SchedulerFactory gSchedulerFactory = new StdSchedulerFactory();  //创建一个SchedulerFactory工厂实例
    private static String JOB_GROUP_NAME = "FH_JOBGROUP_NAME";  //任务组
    private static String TRIGGER_GROUP_NAME = "FH_TRIGGERGROUP_NAME";  //触发器组

    /**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 jobName 任务名
     * @param cls 任务
     * @param time 时间设置，参考quartz说明文档
     */
    public static void addJob(String jobName, Class<? extends Job> cls, String time) {
        try {
            Scheduler sched = gSchedulerFactory.getScheduler();  //通过SchedulerFactory构建Scheduler对象
            JobDetail jobDetail= JobBuilder.newJob(cls).withIdentity(jobName,JOB_GROUP_NAME).build();//用于描叙Job实现类及其他的一些静态信息，构建一个作业实例
        CronTrigger trigger = (CronTrigger) TriggerBuilder
        .newTrigger() //创建一个新的TriggerBuilder来规范一个触发器
    .withIdentity(jobName, TRIGGER_GROUP_NAME)//给触发器起一个名字和组名
    .withSchedule(CronScheduleBuilder.cronSchedule(time))
    .build();
            sched.scheduleJob(jobDetail, trigger);
            if (!sched.isShutdown()) {
                sched.start();    // 启动
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }  

    /**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  （带参数）
     * @param jobName 任务名
     * @param cls 任务
     * @param time 时间设置，参考quartz说明文档
     */
    public static void addJob(String jobName, Class<? extends Job> cls, String time, Map<String,Object> parameter) {
        try {
            Scheduler sched = gSchedulerFactory.getScheduler();  //通过SchedulerFactory构建Scheduler对象
            JobDetail jobDetail= JobBuilder.newJob(cls).withIdentity(jobName,JOB_GROUP_NAME).build();//用于描叙Job实现类及其他的一些静态信息，构建一个作业实例
            jobDetail.getJobDataMap().put("parameterList", parameter);//传参数
        CronTrigger trigger = (CronTrigger) TriggerBuilder
        .newTrigger() //创建一个新的TriggerBuilder来规范一个触发器
    .withIdentity(jobName, TRIGGER_GROUP_NAME)//给触发器起一个名字和组名
    .withSchedule(CronScheduleBuilder.cronSchedule(time))
    .build();
            sched.scheduleJob(jobDetail, trigger);
            if (!sched.isShutdown()) {
                sched.start();    // 启动
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }  

    /**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 time时间设置，参考quartz说明文档
     */
    public static void addJob(String jobName, String jobGroupName,
            String triggerName, String triggerGroupName, Class<? extends Job> jobClass,
            String time) {
        try {
            Scheduler sched = gSchedulerFactory.getScheduler();
            JobDetail jobDetail= JobBuilder.newJob(jobClass).withIdentity(jobName,jobGroupName).build();// 任务名，任务组，任务执行类
            CronTrigger trigger = (CronTrigger) TriggerBuilder // 触发器
    .newTrigger()
    .withIdentity(triggerName, triggerGroupName)
    .withSchedule(CronScheduleBuilder.cronSchedule(time))
    .build();
            sched.scheduleJob(jobDetail, trigger);
            if (!sched.isShutdown()) {
                sched.start();    // 启动
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }  

    /**添加一个定时任务  （带参数）
     * @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 time时间设置，参考quartz说明文档
     */
    public static void addJob(String jobName, String jobGroupName,
            String triggerName, String triggerGroupName, Class<? extends Job> jobClass,
            String time, Map<String,Object> parameter) {
        try {
            Scheduler sched = gSchedulerFactory.getScheduler();
            JobDetail jobDetail= JobBuilder.newJob(jobClass).withIdentity(jobName,jobGroupName).build();// 任务名，任务组，任务执行类
            jobDetail.getJobDataMap().put("parameterList", parameter);//传参数
            CronTrigger trigger = (CronTrigger) TriggerBuilder // 触发器
    .newTrigger()
    .withIdentity(triggerName, triggerGroupName)
    .withSchedule(CronScheduleBuilder.cronSchedule(time))
    .build();
            sched.scheduleJob(jobDetail, trigger);
            if (!sched.isShutdown()) {
                sched.start();    // 启动
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    } 

    /** 修改一个任务的触发时间(使用默认的任务组名，触发器名，触发器组名)
     * @param jobName任务名
     * @param time新的时间设置
     */
    public static void modifyJobTime(String jobName, String time) {
        try {
            Scheduler sched = gSchedulerFactory.getScheduler();  //通过SchedulerFactory构建Scheduler对象
            TriggerKey triggerKey = TriggerKey.triggerKey(jobName,TRIGGER_GROUP_NAME); //通过触发器名和组名获取TriggerKey
            CronTrigger trigger = (CronTrigger)sched.getTrigger(triggerKey);//通过TriggerKey获取CronTrigger
            if (trigger == null) {
                return;
            }
            String oldTime = trigger.getCronExpression();
            if (!oldTime.equalsIgnoreCase(time)) {
            JobKey jobKey = JobKey.jobKey(jobName, JOB_GROUP_NAME);//通过任务名和组名获取JobKey
            JobDetail jobDetail = sched.getJobDetail(jobKey);
                Class<? extends Job> objJobClass = jobDetail.getJobClass();
                removeJob(jobName);
                addJob(jobName, objJobClass, time);
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }  

    /**修改一个任务的触发时间
     * @param triggerName任务名称
     * @param triggerGroupName传过来的任务名称
     * @param time更新后的时间规则
     */
    public static void modifyJobTime(String triggerName, String triggerGroupName, String time) {
        try {
            Scheduler sched = gSchedulerFactory.getScheduler();  //通过SchedulerFactory构建Scheduler对象
            TriggerKey triggerKey = TriggerKey.triggerKey(triggerName,triggerGroupName); //通过触发器名和组名获取TriggerKey
            CronTrigger trigger = (CronTrigger)sched.getTrigger(triggerKey);//通过TriggerKey获取CronTrigger
            if (trigger == null)  return;
            CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(trigger.getCronExpression());
            String oldTime = trigger.getCronExpression();
            if (!oldTime.equalsIgnoreCase(time)) {
            trigger = (CronTrigger)trigger.getTriggerBuilder()//重新构建trigger
            .withIdentity(triggerKey)
            .withSchedule(scheduleBuilder)
            .withSchedule(CronScheduleBuilder.cronSchedule(time))
        .build();
            sched.rescheduleJob(triggerKey, trigger);//按新的trigger重新设置job执行
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }  

    /**移除一个任务(使用默认的任务组名，触发器名，触发器组名)
     * @param jobName任务名称
     */
    public static void removeJob(String jobName) {
        try {
            Scheduler sched = gSchedulerFactory.getScheduler();
            TriggerKey triggerKey = TriggerKey.triggerKey(jobName,TRIGGER_GROUP_NAME); //通过触发器名和组名获取TriggerKey
            JobKey jobKey = JobKey.jobKey(jobName, JOB_GROUP_NAME);//通过任务名和组名获取JobKey
            sched.pauseTrigger(triggerKey);// 停止触发器
            sched.unscheduleJob(triggerKey);// 移除触发器
            sched.deleteJob(jobKey);// 删除任务
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }  

    /**移除一个任务
     * @param jobName任务名
     * @param jobGroupName任务组名
     * @param triggerName触发器名
     * @param triggerGroupName触发器组名
     */
    public static void removeJob(String jobName, String jobGroupName,String triggerName, String triggerGroupName) {
        try {
            Scheduler sched = gSchedulerFactory.getScheduler();
            TriggerKey triggerKey = TriggerKey.triggerKey(triggerName,triggerGroupName); //通过触发器名和组名获取TriggerKey
            JobKey jobKey = JobKey.jobKey(jobName, jobGroupName);//通过任务名和组名获取JobKey
            sched.pauseTrigger(triggerKey);// 停止触发器
            sched.unscheduleJob(triggerKey);// 移除触发器
            sched.deleteJob(jobKey);// 删除任务
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    } 

    /**
     * 启动所有定时任务
     */
    public static void startJobs() {
        try {
            Scheduler sched = gSchedulerFactory.getScheduler();
            sched.start();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }  

    /**
     * 关闭所有定时任务
     */
    public static void shutdownJobs() {
        try {
            Scheduler sched = gSchedulerFactory.getScheduler();
            if (!sched.isShutdown()) {
                sched.shutdown();
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}