ScheduleUtils.java
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package com.gxb.modules.job.utils;
import com.google.gson.Gson;
import com.gxb.common.exception.RRException;
import com.gxb.common.utils.Constant;
import com.gxb.modules.job.entity.ScheduleJobEntity;
import org.quartz.*;
/**
* 定时任务工具类
*
* @author chenshun
* @email sunlightcs@gmail.com
* @date 2016年11月30日 下午12:44:59
*/
public class ScheduleUtils {
private final static String JOB_NAME = "TASK_";
/**
* 获取触发器key
*/
public static TriggerKey getTriggerKey(Long jobId) {
return TriggerKey.triggerKey(JOB_NAME + jobId);
}
/**
* 获取jobKey
*/
public static JobKey getJobKey(Long jobId) {
return JobKey.jobKey(JOB_NAME + jobId);
}
/**
* 获取表达式触发器
*/
public static CronTrigger getCronTrigger(Scheduler scheduler, Long jobId) {
try {
return (CronTrigger) scheduler.getTrigger(getTriggerKey(jobId));
} catch (SchedulerException e) {
throw new RRException("获取定时任务CronTrigger出现异常", e);
}
}
/**
* 创建定时任务
*/
public static void createScheduleJob(Scheduler scheduler, ScheduleJobEntity scheduleJob) {
try {
//构建job信息
JobDetail jobDetail = JobBuilder.newJob(ScheduleJob.class).withIdentity(getJobKey(scheduleJob.getJobId())).build();
//表达式调度构建器
CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(scheduleJob.getCronExpression())
.withMisfireHandlingInstructionDoNothing();
//按新的cronExpression表达式构建一个新的trigger
CronTrigger trigger = TriggerBuilder.newTrigger().withIdentity(getTriggerKey(scheduleJob.getJobId())).withSchedule(scheduleBuilder).build();
//放入参数，运行时的方法可以获取
jobDetail.getJobDataMap().put(ScheduleJobEntity.JOB_PARAM_KEY, new Gson().toJson(scheduleJob));
scheduler.scheduleJob(jobDetail, trigger);
//暂停任务
if(scheduleJob.getStatus() == Constant.ScheduleStatus.PAUSE.getValue()){
pauseJob(scheduler, scheduleJob.getJobId());
}
} catch (SchedulerException e) {
throw new RRException("创建定时任务失败", e);
}
}
/**
* 更新定时任务
*/
public static void updateScheduleJob(Scheduler scheduler, ScheduleJobEntity scheduleJob) {
try {
TriggerKey triggerKey = getTriggerKey(scheduleJob.getJobId());
//表达式调度构建器
CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(scheduleJob.getCronExpression())
.withMisfireHandlingInstructionDoNothing();
CronTrigger trigger = getCronTrigger(scheduler, scheduleJob.getJobId());
//按新的cronExpression表达式重新构建trigger
trigger = trigger.getTriggerBuilder().withIdentity(triggerKey).withSchedule(scheduleBuilder).build();
//参数
trigger.getJobDataMap().put(ScheduleJobEntity.JOB_PARAM_KEY, new Gson().toJson(scheduleJob));
scheduler.rescheduleJob(triggerKey, trigger);
//暂停任务
if(scheduleJob.getStatus() == Constant.ScheduleStatus.PAUSE.getValue()){
pauseJob(scheduler, scheduleJob.getJobId());
}
} catch (SchedulerException e) {
throw new RRException("更新定时任务失败", e);
}
}
/**
* 立即执行任务
*/
public static void run(Scheduler scheduler, ScheduleJobEntity scheduleJob) {
try {
//参数
JobDataMap dataMap = new JobDataMap();
dataMap.put(ScheduleJobEntity.JOB_PARAM_KEY, new Gson().toJson(scheduleJob));
scheduler.triggerJob(getJobKey(scheduleJob.getJobId()), dataMap);
} catch (SchedulerException e) {
throw new RRException("立即执行定时任务失败", e);
}
}
/**
* 暂停任务
*/
public static void pauseJob(Scheduler scheduler, Long jobId) {
try {
scheduler.pauseJob(getJobKey(jobId));
} catch (SchedulerException e) {
throw new RRException("暂停定时任务失败", e);
}
}
/**
* 恢复任务
*/
public static void resumeJob(Scheduler scheduler, Long jobId) {
try {
scheduler.resumeJob(getJobKey(jobId));
} catch (SchedulerException e) {
throw new RRException("暂停定时任务失败", e);
}
}
/**
* 删除定时任务
*/
public static void deleteScheduleJob(Scheduler scheduler, Long jobId) {
try {
scheduler.deleteJob(getJobKey(jobId));
} catch (SchedulerException e) {
throw new RRException("删除定时任务失败", e);
}
}
}