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springboot+Quartz實(shí)現(xiàn)任務(wù)調(diào)度的示例代碼

 更新時(shí)間：2018年02月01日 14:05:01   作者：殷天文  
本篇文章主要介紹了springboot + Quartz 實(shí)現(xiàn)任務(wù)調(diào)度的示例代碼，小編覺得挺不錯(cuò)的，現(xiàn)在分享給大家，也給大家做個(gè)參考。一起跟隨小編過來看看吧

在spring框架中通過 @Schedule 可以實(shí)現(xiàn)定時(shí)任務(wù)，通過該注解 cron 的屬性描述的規(guī)則，spring會(huì)去調(diào)用這個(gè)方法。

spring已經(jīng)簡(jiǎn)單粗暴的實(shí)現(xiàn)了定時(shí)任務(wù)，為什么要使用Quartz ？

如果你現(xiàn)在有很多個(gè)定時(shí)任務(wù)，規(guī)則不同，例如:

  1. 想每月25號(hào)，信用卡自動(dòng)還款
  2. 想每年4月1日自己給當(dāng)年暗戀女神發(fā)一封匿名賀卡
  3. 想每隔1小時(shí)，備份一下自己的愛情動(dòng)作片 學(xué)習(xí)筆記到云盤

maven 依賴

<dependency>
   <groupId>org.quartz-scheduler</groupId>
   <artifactId>quartz</artifactId>
   <version>2.2.1</version>
 </dependency>
 <dependency>
   <groupId>org.quartz-scheduler</groupId>
   <artifactId>quartz-jobs</artifactId>
   <version>2.2.1</version>
 </dependency>

以下是bootdo開源學(xué)習(xí)框架的源碼

我并沒有用到全部的字段，思路是先查詢DB，

封裝以下兩個(gè)對(duì)象

  1. JobDetail 負(fù)責(zé)存放 job 所需要的數(shù)據(jù)
  2. Trigger 設(shè)置 job 的 key，規(guī)則（cron）何時(shí)開啟任務(wù)等屬性

當(dāng)觸發(fā)條件滿足時(shí)，會(huì)根據(jù)所設(shè)置的beanClass 找到該類（必須實(shí)現(xiàn)org.quartz.Job）， 這時(shí)可以取出JobDetail 中的數(shù)據(jù)，執(zhí)行具體業(yè)務(wù)邏輯

@Component
public class WelcomeJob implements Job{
  @Override
  public void execute(JobExecutionContext arg0) throws JobExecutionException {
    //你的業(yè)務(wù)邏輯
  }
}

表結(jié)構(gòu)

CREATE TABLE `sys_task` (
 `id` bigint(20) NOT NULL AUTO_INCREMENT,
 `cronExpression` varchar(255) DEFAULT NULL COMMENT 'cron表達(dá)式',
 `methodName` varchar(255) DEFAULT NULL COMMENT '任務(wù)調(diào)用的方法名',
 `isConcurrent` varchar(255) DEFAULT NULL COMMENT '任務(wù)是否有狀態(tài)',
 `description` varchar(255) DEFAULT NULL COMMENT '任務(wù)描述',
 `updateBy` varchar(64) DEFAULT NULL COMMENT '更新者',
 `beanClass` varchar(255) DEFAULT NULL COMMENT '任務(wù)執(zhí)行時(shí)調(diào)用哪個(gè)類的方法 包名+類名',
 `createDate` datetime DEFAULT NULL COMMENT '創(chuàng)建時(shí)間',
 `jobStatus` varchar(255) DEFAULT NULL COMMENT '任務(wù)狀態(tài)',
 `jobGroup` varchar(255) DEFAULT NULL COMMENT '任務(wù)分組',
 `updateDate` datetime DEFAULT NULL COMMENT '更新時(shí)間',
 `createBy` varchar(64) DEFAULT NULL COMMENT '創(chuàng)建者',
 `springBean` varchar(255) DEFAULT NULL COMMENT 'Spring bean',
 `jobName` varchar(255) DEFAULT NULL COMMENT '任務(wù)名',
 PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8 ROW_FORMAT=COMPACT;

配置類

import java.io.IOException;
import java.util.Properties;
import org.quartz.Scheduler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.PropertiesFactoryBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;
import com.txgl.common.quartz.factory.JobFactory;
@Configuration
public class QuartzConfigration {

  @Autowired
  JobFactory jobFactory;

  @Bean
  public SchedulerFactoryBean schedulerFactoryBean() {
    SchedulerFactoryBean schedulerFactoryBean = new SchedulerFactoryBean();
    try {
      schedulerFactoryBean.setOverwriteExistingJobs(true);
      schedulerFactoryBean.setQuartzProperties(quartzProperties());
      schedulerFactoryBean.setJobFactory(jobFactory);
    } catch (IOException e) {
      e.printStackTrace();
    }
    return schedulerFactoryBean;
  }

  // 指定quartz.properties
  @Bean
  public Properties quartzProperties() throws IOException {
    PropertiesFactoryBean propertiesFactoryBean = new PropertiesFactoryBean();
    propertiesFactoryBean.setLocation(new ClassPathResource("/config/quartz.properties"));
    propertiesFactoryBean.afterPropertiesSet();
    return propertiesFactoryBean.getObject();
  }

  // 創(chuàng)建schedule
  @Bean(name = "scheduler")
  public Scheduler scheduler() {
    return schedulerFactoryBean().getScheduler();
  }
}

QuartzManager的代碼是關(guān)鍵，通過注入Scheduler 對(duì)任務(wù)進(jìn)行操作

import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.apache.log4j.Logger;
import org.quartz.CronScheduleBuilder;
import org.quartz.CronTrigger;
import org.quartz.DateBuilder;
import org.quartz.DateBuilder.IntervalUnit;
import org.quartz.Job;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.JobExecutionContext;
import org.quartz.JobKey;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.Trigger;
import org.quartz.TriggerBuilder;
import org.quartz.TriggerKey;
import org.quartz.impl.matchers.GroupMatcher;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;
import org.springframework.stereotype.Service;
import org.springframework.web.context.support.SpringBeanAutowiringSupport;
import com.bootdo.common.domain.ScheduleJob;
import com.bootdo.common.quartz.factory.*;
import com.bootdo.common.utils.SpringContextHolder;;

/**
 * 
 * 
 * @title: QuartzManager.java
 * @description: 計(jì)劃任務(wù)管理
 *
 */
@Service
public class QuartzManager {
  public final Logger log = Logger.getLogger(this.getClass());
  // private SchedulerFactoryBean schedulerFactoryBean
  // =SpringContextHolder.getBean(SchedulerFactoryBean.class);
  // @Autowired
  // @Qualifier("schedulerFactoryBean")
  // private SchedulerFactoryBean schedulerFactoryBean;
  @Autowired
  private Scheduler scheduler;

  /**
   * 添加任務(wù)
   * 
   * @param scheduleJob
   * @throws SchedulerException
   */
  
  public void addJob(ScheduleJob job) {
    try {
      // 創(chuàng)建jobDetail實(shí)例，綁定Job實(shí)現(xiàn)類
      // 指明job的名稱，所在組的名稱，以及綁定job類
      Class<? extends Job> jobClass = (Class<? extends Job>) (Class.forName(job.getBeanClass()).newInstance()
          .getClass());
      JobDetail jobDetail = JobBuilder.newJob(jobClass).withIdentity(job.getJobName(), job.getJobGroup())// 任務(wù)名稱和組構(gòu)成任務(wù)key
          .build();
      // 定義調(diào)度觸發(fā)規(guī)則
      // 使用cornTrigger規(guī)則
      Trigger trigger = TriggerBuilder.newTrigger().withIdentity(job.getJobName(), job.getJobGroup())// 觸發(fā)器key
          .startAt(DateBuilder.futureDate(1, IntervalUnit.SECOND))
          .withSchedule(CronScheduleBuilder.cronSchedule(job.getCronExpression())).startNow().build();
      // 把作業(yè)和觸發(fā)器注冊(cè)到任務(wù)調(diào)度中
      scheduler.scheduleJob(jobDetail, trigger);
      // 啟動(dòng)
      if (!scheduler.isShutdown()) {
        scheduler.start();
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
// public void addJob(ScheduleJob job) throws SchedulerException {
//   if (job == null || !ScheduleJob.STATUS_RUNNING.equals(job.getJobStatus())) {
//     return;
//   }
//
//   TriggerKey triggerKey = TriggerKey.triggerKey(job.getJobName(), job.getJobGroup());
//
//   CronTrigger trigger = (CronTrigger) scheduler.getTrigger(triggerKey);
//
//   // 不存在，創(chuàng)建一個(gè)
//
//   if (null == trigger) {
//     Class<? extends Job> clazz = ScheduleJob.CONCURRENT_IS.equals(job.getIsConcurrent())
//         ? QuartzJobFactory.class
//         : QuartzJobFactoryDisallowConcurrentExecution.class;
//
//     JobDetail jobDetail = JobBuilder.newJob(clazz).withIdentity(job.getJobName(), job.getJobGroup()).build();
//
//     jobDetail.getJobDataMap().put("scheduleJob", job);
//
//     CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(job.getCronExpression());
//
//     trigger = TriggerBuilder.newTrigger().withIdentity(job.getJobName(), job.getJobGroup())
//         .withSchedule(scheduleBuilder).build();
//
//     scheduler.scheduleJob(jobDetail, trigger);
//   } else {
//     // Trigger已存在，那么更新相應(yīng)的定時(shí)設(shè)置
//
//     CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(job.getCronExpression());
//
//     // 按新的cronExpression表達(dá)式重新構(gòu)建trigger
//
//     trigger = trigger.getTriggerBuilder().withIdentity(triggerKey).withSchedule(scheduleBuilder).build();
//
//     // 按新的trigger重新設(shè)置job執(zhí)行
//
//     scheduler.rescheduleJob(triggerKey, trigger);
//   }
// }

  /**
   * 獲取所有計(jì)劃中的任務(wù)列表
   * 
   * @return
   * @throws SchedulerException
   */
  public List<ScheduleJob> getAllJob() throws SchedulerException {
    GroupMatcher<JobKey> matcher = GroupMatcher.anyJobGroup();
    Set<JobKey> jobKeys = scheduler.getJobKeys(matcher);
    List<ScheduleJob> jobList = new ArrayList<ScheduleJob>();
    for (JobKey jobKey : jobKeys) {
      List<? extends Trigger> triggers = scheduler.getTriggersOfJob(jobKey);
      for (Trigger trigger : triggers) {
        ScheduleJob job = new ScheduleJob();
        job.setJobName(jobKey.getName());
        job.setJobGroup(jobKey.getGroup());
        job.setDescription("觸發(fā)器:" + trigger.getKey());
        Trigger.TriggerState triggerState = scheduler.getTriggerState(trigger.getKey());
        job.setJobStatus(triggerState.name());
        if (trigger instanceof CronTrigger) {
          CronTrigger cronTrigger = (CronTrigger) trigger;
          String cronExpression = cronTrigger.getCronExpression();
          job.setCronExpression(cronExpression);
        }
        jobList.add(job);
      }
    }
    return jobList;
  }

  /**
   * 所有正在運(yùn)行的job
   * 
   * @return
   * @throws SchedulerException
   */
  public List<ScheduleJob> getRunningJob() throws SchedulerException {
    List<JobExecutionContext> executingJobs = scheduler.getCurrentlyExecutingJobs();
    List<ScheduleJob> jobList = new ArrayList<ScheduleJob>(executingJobs.size());
    for (JobExecutionContext executingJob : executingJobs) {
      ScheduleJob job = new ScheduleJob();
      JobDetail jobDetail = executingJob.getJobDetail();
      JobKey jobKey = jobDetail.getKey();
      Trigger trigger = executingJob.getTrigger();
      job.setJobName(jobKey.getName());
      job.setJobGroup(jobKey.getGroup());
      job.setDescription("觸發(fā)器:" + trigger.getKey());
      Trigger.TriggerState triggerState = scheduler.getTriggerState(trigger.getKey());
      job.setJobStatus(triggerState.name());
      if (trigger instanceof CronTrigger) {
        CronTrigger cronTrigger = (CronTrigger) trigger;
        String cronExpression = cronTrigger.getCronExpression();
        job.setCronExpression(cronExpression);
      }
      jobList.add(job);
    }
    return jobList;
  }

  /**
   * 暫停一個(gè)job
   * 
   * @param scheduleJob
   * @throws SchedulerException
   */
  public void pauseJob(ScheduleJob scheduleJob) throws SchedulerException {
    JobKey jobKey = JobKey.jobKey(scheduleJob.getJobName(), scheduleJob.getJobGroup());
    scheduler.pauseJob(jobKey);
  }

  /**
   * 恢復(fù)一個(gè)job
   * 
   * @param scheduleJob
   * @throws SchedulerException
   */
  public void resumeJob(ScheduleJob scheduleJob) throws SchedulerException {
    JobKey jobKey = JobKey.jobKey(scheduleJob.getJobName(), scheduleJob.getJobGroup());
    scheduler.resumeJob(jobKey);
  }

  /**
   * 刪除一個(gè)job
   * 
   * @param scheduleJob
   * @throws SchedulerException
   */
  public void deleteJob(ScheduleJob scheduleJob) throws SchedulerException {
    JobKey jobKey = JobKey.jobKey(scheduleJob.getJobName(), scheduleJob.getJobGroup());
    scheduler.deleteJob(jobKey);

  }

  /**
   * 立即執(zhí)行job
   * 
   * @param scheduleJob
   * @throws SchedulerException
   */
  public void runAJobNow(ScheduleJob scheduleJob) throws SchedulerException {
    JobKey jobKey = JobKey.jobKey(scheduleJob.getJobName(), scheduleJob.getJobGroup());
    scheduler.triggerJob(jobKey);
  }

  /**
   * 更新job時(shí)間表達(dá)式
   * 
   * @param scheduleJob
   * @throws SchedulerException
   */
  public void updateJobCron(ScheduleJob scheduleJob) throws SchedulerException {

    TriggerKey triggerKey = TriggerKey.triggerKey(scheduleJob.getJobName(), scheduleJob.getJobGroup());

    CronTrigger trigger = (CronTrigger) scheduler.getTrigger(triggerKey);

    CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(scheduleJob.getCronExpression());

    trigger = trigger.getTriggerBuilder().withIdentity(triggerKey).withSchedule(scheduleBuilder).build();

    scheduler.rescheduleJob(triggerKey, trigger);
  }
}

service實(shí)現(xiàn)

import com.bootdo.common.config.Constant;
import com.bootdo.common.dao.TaskDao;
import com.bootdo.common.domain.ScheduleJob;
import com.bootdo.common.domain.TaskDO;
import com.bootdo.common.quartz.utils.QuartzManager;
import com.bootdo.common.service.JobService;
import com.bootdo.common.utils.ScheduleJobUtils;
import org.quartz.SchedulerException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class JobServiceImpl implements JobService {

  @Autowired
  private TaskDao taskScheduleJobMapper;

  @Autowired
  QuartzManager quartzManager;

  @Override
  public TaskDO get(Long id) {
    return taskScheduleJobMapper.get(id);
  }

  @Override
  public List<TaskDO> list(Map<String, Object> map) {
    return taskScheduleJobMapper.list(map);
  }

  @Override
  public int count(Map<String, Object> map) {
    return taskScheduleJobMapper.count(map);
  }

  @Override
  public int save(TaskDO taskScheduleJob) {
    return taskScheduleJobMapper.save(taskScheduleJob);
  }

  @Override
  public int update(TaskDO taskScheduleJob) {
    return taskScheduleJobMapper.update(taskScheduleJob);
  }

  @Override
  public int remove(Long id) {
    try {
      TaskDO scheduleJob = get(id);
      quartzManager.deleteJob(ScheduleJobUtils.entityToData(scheduleJob));
      return taskScheduleJobMapper.remove(id);
    } catch (SchedulerException e) {
      e.printStackTrace();
      return 0;
    }

  }

  @Override
  public int batchRemove(Long[] ids) {
    for (Long id : ids) {
      try {
        TaskDO scheduleJob = get(id);
        quartzManager.deleteJob(ScheduleJobUtils.entityToData(scheduleJob));
      } catch (SchedulerException e) {
        e.printStackTrace();
        return 0;
      }
    }
    return taskScheduleJobMapper.batchRemove(ids);
  }

  @Override
  public void initSchedule() throws SchedulerException {
    // 這里獲取任務(wù)信息數(shù)據(jù)
    List<TaskDO> jobList = taskScheduleJobMapper.list(new HashMap<String, Object>(16));
    for (TaskDO scheduleJob : jobList) {
      if ("1".equals(scheduleJob.getJobStatus())) {
        ScheduleJob job = ScheduleJobUtils.entityToData(scheduleJob);
        quartzManager.addJob(job);
      }

    }
  }

  @Override
  public void changeStatus(Long jobId, String cmd) throws SchedulerException {
    TaskDO scheduleJob = get(jobId);
    if (scheduleJob == null) {
      return;
    }
    if (Constant.STATUS_RUNNING_STOP.equals(cmd)) {
      quartzManager.deleteJob(ScheduleJobUtils.entityToData(scheduleJob));
      scheduleJob.setJobStatus(ScheduleJob.STATUS_NOT_RUNNING);
    } else {
      if (!Constant.STATUS_RUNNING_START.equals(cmd)) {
      } else {
        scheduleJob.setJobStatus(ScheduleJob.STATUS_RUNNING);
        quartzManager.addJob(ScheduleJobUtils.entityToData(scheduleJob));
      }
    }
    update(scheduleJob);
  }

  @Override
  public void updateCron(Long jobId) throws SchedulerException {
    TaskDO scheduleJob = get(jobId);
    if (scheduleJob == null) {
      return;
    }
    if (ScheduleJob.STATUS_RUNNING.equals(scheduleJob.getJobStatus())) {
      quartzManager.updateJobCron(ScheduleJobUtils.entityToData(scheduleJob));
    }
    update(scheduleJob);
  }
}

啟動(dòng)一個(gè)監(jiān)聽去初始化Quartz

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import com.bootdo.common.quartz.utils.QuartzManager;
import com.bootdo.common.service.JobService;
@Component
@Order(value = 1)
public class ScheduleJobInitListener implements CommandLineRunner {

  @Autowired
  JobService scheduleJobService;

  @Autowired
  QuartzManager quartzManager;

  @Override
  public void run(String... arg0) throws Exception {
    try {
      scheduleJobService.initSchedule();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}

以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持腳本之家。

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