Spring Boot 2 整合 QuartJob 實現(xiàn)定時器實時管理功能

更新時間：2019年11月20日 09:57:44 作者：知了一笑

Quartz是一個完全由java編寫的開源作業(yè)調(diào)度框架，形式簡易，功能強大。接下來通過本文給大家分享Spring Boot 2 整合 QuartJob 實現(xiàn)定時器實時管理功能，感興趣的朋友一起看看吧

一、QuartJob簡介

1、一句話描述

Quartz是一個完全由java編寫的開源作業(yè)調(diào)度框架，形式簡易，功能強大。

2、核心API

(1)、Scheduler

代表一個 Quartz 的獨立運行容器，Scheduler 將 Trigger 綁定到特定 JobDetail，這樣當 Trigger 觸發(fā)時，對應(yīng)的 Job 就會被調(diào)度。

(2)、Trigger

描述 Job 執(zhí)行的時間觸發(fā)規(guī)則。主要有 SimpleTrigger 和 CronTrigger 兩個子類，通過一個 TriggerKey 唯一標識。

(3)、Job

定義一個任務(wù)，規(guī)定了任務(wù)是執(zhí)行時的行為。JobExecutionContext 提供了調(diào)度器的上下文信息，Job 的數(shù)據(jù)可從 JobDataMap 中獲取。

(4)、JobDetail

Quartz 在每次執(zhí)行 Job 時，都重新創(chuàng)建一個 Job 實例，所以它不直接接受一個 Job 的實例，相反它接收一個 Job 實現(xiàn)類。描述 Job 的實現(xiàn)類及其它相關(guān)的靜態(tài)信息，如 Job 名字、描述等。

二、與SpringBoot2.0 整合

1、項目結(jié)構(gòu)

版本描述

spring-boot：2.1.3.RELEASE
quart-job：2.3.0

2、定時器配置

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;
import javax.sql.DataSource;
import java.util.Properties;
@Configuration
public class ScheduleConfig {
 @Bean
 public SchedulerFactoryBean schedulerFactoryBean(DataSource dataSource) {
 // Quartz參數(shù)配置
 Properties prop = new Properties();
 // Schedule調(diào)度器的實體名字
 prop.put("org.quartz.scheduler.instanceName", "HuskyScheduler");
 // 設(shè)置為AUTO時使用，默認的實現(xiàn)org.quartz.scheduler.SimpleInstanceGenerator是基于主機名稱和時間戳生成。
 prop.put("org.quartz.scheduler.instanceId", "AUTO");
 // 線程池配置
 prop.put("org.quartz.threadPool.class", "org.quartz.simpl.SimpleThreadPool");
 prop.put("org.quartz.threadPool.threadCount", "20");
 prop.put("org.quartz.threadPool.threadPriority", "5");
 // JobStore配置:Scheduler在運行時用來存儲相關(guān)的信息
 // JDBCJobStore和JobStoreTX都使用關(guān)系數(shù)據(jù)庫來存儲Schedule相關(guān)的信息。
 // JobStoreTX在每次執(zhí)行任務(wù)后都使用commit或者rollback來提交更改。
 prop.put("org.quartz.jobStore.class", "org.quartz.impl.jdbcjobstore.JobStoreTX");
 // 集群配置：如果有多個調(diào)度器實體的話則必須設(shè)置為true
 prop.put("org.quartz.jobStore.isClustered", "true");
 // 集群配置：檢查集群下的其他調(diào)度器實體的時間間隔
 prop.put("org.quartz.jobStore.clusterCheckinInterval", "15000");
 // 設(shè)置一個頻度(毫秒)，用于實例報告給集群中的其他實例
 prop.put("org.quartz.jobStore.maxMisfiresToHandleAtATime", "1");
 // 觸發(fā)器觸發(fā)失敗后再次觸犯的時間間隔
 prop.put("org.quartz.jobStore.misfireThreshold", "12000");
 // 數(shù)據(jù)庫表前綴
 prop.put("org.quartz.jobStore.tablePrefix", "qrtz_");
 // 從 LOCKS 表查詢一行并對這行記錄加鎖的 SQL 語句
 prop.put("org.quartz.jobStore.selectWithLockSQL", "SELECT * FROM {0}LOCKS UPDLOCK WHERE LOCK_NAME = ?");

 // 定時器工廠配置
 SchedulerFactoryBean factory = new SchedulerFactoryBean();
 factory.setDataSource(dataSource);
 factory.setQuartzProperties(prop);
 factory.setSchedulerName("HuskyScheduler");
 factory.setStartupDelay(30);
 factory.setApplicationContextSchedulerContextKey("applicationContextKey");
 // 可選，QuartzScheduler 啟動時更新己存在的Job
 factory.setOverwriteExistingJobs(true);
 // 設(shè)置自動啟動，默認為true
 factory.setAutoStartup(true);
 return factory;
 }
}

3、定時器管理工具

import com.quart.job.entity.ScheduleJobBean;
import org.quartz.*;
/**
 * 定時器工具類
 */
public class ScheduleUtil {
 private ScheduleUtil (){}
 private static final String SCHEDULE_NAME = "HUSKY_" ;
 /**
 * 觸發(fā)器 KEY
 */
 public static TriggerKey getTriggerKey(Long jobId){
 return TriggerKey.triggerKey(SCHEDULE_NAME+jobId) ;
 }
 /**
 * 定時器 Key
 */
 public static JobKey getJobKey (Long jobId){
 return JobKey.jobKey(SCHEDULE_NAME+jobId) ;
 }
 /**
 * 表達式觸發(fā)器
 */
 public static CronTrigger getCronTrigger (Scheduler scheduler,Long jobId){
 try {
  return (CronTrigger)scheduler.getTrigger(getTriggerKey(jobId)) ;
 } catch (SchedulerException e){
  throw new RuntimeException("getCronTrigger Fail",e) ;
 }
 }
 /**
 * 創(chuàng)建定時器
 */
 public static void createJob (Scheduler scheduler, ScheduleJobBean scheduleJob){
 try {
  // 構(gòu)建定時器
  JobDetail jobDetail = JobBuilder.newJob(TaskJobLog.class).withIdentity(getJobKey(scheduleJob.getJobId())).build() ;
  CronScheduleBuilder scheduleBuilder = CronScheduleBuilder
   .cronSchedule(scheduleJob.getCronExpression())
   .withMisfireHandlingInstructionDoNothing() ;
  CronTrigger trigger = TriggerBuilder.newTrigger()
   .withIdentity(getTriggerKey(scheduleJob.getJobId()))
   .withSchedule(scheduleBuilder).build() ;
  jobDetail.getJobDataMap().put(ScheduleJobBean.JOB_PARAM_KEY,scheduleJob);
  scheduler.scheduleJob(jobDetail,trigger) ;
  // 如果該定時器處于暫停狀態(tài)
  if (scheduleJob.getStatus() == 1){
  pauseJob(scheduler,scheduleJob.getJobId()) ;
  }
 } catch (SchedulerException e){
  throw new RuntimeException("createJob Fail",e) ;
 }
 }
 /**
 * 更新定時任務(wù)
 */
 public static void updateJob(Scheduler scheduler, ScheduleJobBean scheduleJob) {
 try {
  // 構(gòu)建定時器
  TriggerKey triggerKey = getTriggerKey(scheduleJob.getJobId());
  CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(scheduleJob.getCronExpression())
   .withMisfireHandlingInstructionDoNothing();
  CronTrigger trigger = getCronTrigger(scheduler, scheduleJob.getJobId());
  trigger = trigger.getTriggerBuilder().withIdentity(triggerKey).withSchedule(scheduleBuilder).build();
  trigger.getJobDataMap().put(ScheduleJobBean.JOB_PARAM_KEY, scheduleJob);
  scheduler.rescheduleJob(triggerKey, trigger);
  // 如果該定時器處于暫停狀態(tài)
  if(scheduleJob.getStatus() == 1){
  pauseJob(scheduler, scheduleJob.getJobId());
  }
 } catch (SchedulerException e) {
  throw new RuntimeException("updateJob Fail",e) ;
 }
 }
 /**
 * 停止定時器
 */
 public static void pauseJob (Scheduler scheduler,Long jobId){
 try {
  scheduler.pauseJob(getJobKey(jobId));
 } catch (SchedulerException e){
  throw new RuntimeException("pauseJob Fail",e) ;
 }
 }
 /**
 * 恢復(fù)定時器
 */
 public static void resumeJob (Scheduler scheduler,Long jobId){
 try {
  scheduler.resumeJob(getJobKey(jobId));
 } catch (SchedulerException e){
  throw new RuntimeException("resumeJob Fail",e) ;
 }
 }
 /**
 * 刪除定時器
 */
 public static void deleteJob (Scheduler scheduler,Long jobId){
 try {
  scheduler.deleteJob(getJobKey(jobId));
 } catch (SchedulerException e){
  throw new RuntimeException("deleteJob Fail",e) ;
 }
 }
 /**
 * 執(zhí)行定時器
 */
 public static void run (Scheduler scheduler, ScheduleJobBean scheduleJob){
 try {
  JobDataMap dataMap = new JobDataMap() ;
  dataMap.put(ScheduleJobBean.JOB_PARAM_KEY,scheduleJob);
  scheduler.triggerJob(getJobKey(scheduleJob.getJobId()),dataMap);
 } catch (SchedulerException e){
  throw new RuntimeException("run Fail",e) ;
 }
 }
}

4、定時器執(zhí)行和日志

import com.quart.job.entity.ScheduleJobBean;
import com.quart.job.entity.ScheduleJobLogBean;
import com.quart.job.service.ScheduleJobLogService;
import org.quartz.JobExecutionContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.scheduling.quartz.QuartzJobBean;
import java.lang.reflect.Method;
import java.util.Date;
/**
 * 定時器執(zhí)行日志記錄
 */
public class TaskJobLog extends QuartzJobBean {
 private static final Logger LOG = LoggerFactory.getLogger(TaskJobLog.class) ;
 @Override
 protected void executeInternal(JobExecutionContext context) {
 ScheduleJobBean jobBean = (ScheduleJobBean)context.getMergedJobDataMap().get(ScheduleJobBean.JOB_PARAM_KEY) ;
 ScheduleJobLogService scheduleJobLogService = (ScheduleJobLogService)SpringContextUtil.getBean("scheduleJobLogService") ;
 // 定時器日志記錄
 ScheduleJobLogBean logBean = new ScheduleJobLogBean () ;
 logBean.setJobId(jobBean.getJobId());
 logBean.setBeanName(jobBean.getBeanName());
 logBean.setParams(jobBean.getParams());
 logBean.setCreateTime(new Date());
 long beginTime = System.currentTimeMillis() ;
 try {
  // 加載并執(zhí)行定時器的 run 方法
  Object target = SpringContextUtil.getBean(jobBean.getBeanName());
  Method method = target.getClass().getDeclaredMethod("run", String.class);
  method.invoke(target, jobBean.getParams());
  long executeTime = System.currentTimeMillis() - beginTime;
  logBean.setTimes((int)executeTime);
  logBean.setStatus(0);
  LOG.info("定時器 === >> "+jobBean.getJobId()+"執(zhí)行成功,耗時 === >> " + executeTime);
 } catch (Exception e){
  // 異常信息
  long executeTime = System.currentTimeMillis() - beginTime;
  logBean.setTimes((int)executeTime);
  logBean.setStatus(1);
  logBean.setError(e.getMessage());
 } finally {
  scheduleJobLogService.insert(logBean) ;
 }
 }
}

三、定時器服務(wù)封裝

1、定時器初始化

@Service
public class ScheduleJobServiceImpl implements ScheduleJobService {

 @Resource
 private Scheduler scheduler ;
 @Resource
 private ScheduleJobMapper scheduleJobMapper ;

 /**
 * 定時器初始化
 */
 @PostConstruct
 public void init (){
 ScheduleJobExample example = new ScheduleJobExample() ;
 List<ScheduleJobBean> scheduleJobBeanList = scheduleJobMapper.selectByExample(example) ;
 for (ScheduleJobBean scheduleJobBean : scheduleJobBeanList) {
  CronTrigger cronTrigger = ScheduleUtil.getCronTrigger(scheduler,scheduleJobBean.getJobId()) ;
  if (cronTrigger == null){
  ScheduleUtil.createJob(scheduler,scheduleJobBean);
  } else {
  ScheduleUtil.updateJob(scheduler,scheduleJobBean);
  }
 }
 }
}

2、添加定時器

@Override
@Transactional(rollbackFor = Exception.class)
public int insert(ScheduleJobBean record) {
 ScheduleUtil.createJob(scheduler,record);
 return scheduleJobMapper.insert(record);
}

3、立即執(zhí)行一次定時器

@Override
@Transactional(rollbackFor = Exception.class)
public void run(Long jobId) {
 ScheduleJobBean scheduleJobBean = scheduleJobMapper.selectByPrimaryKey(jobId) ;
 ScheduleUtil.run(scheduler,scheduleJobBean);
}

4、更新定時器

@Override
@Transactional(rollbackFor = Exception.class)
public int updateByPrimaryKeySelective(ScheduleJobBean record) {
 ScheduleUtil.updateJob(scheduler,record);
 return scheduleJobMapper.updateByPrimaryKeySelective(record);
}

5、停止定時器

@Override
@Transactional(rollbackFor = Exception.class)
public void pauseJob(Long jobId) {
 ScheduleJobBean scheduleJobBean = scheduleJobMapper.selectByPrimaryKey(jobId) ;
 ScheduleUtil.pauseJob(scheduler,jobId);
 scheduleJobBean.setStatus(1);
 scheduleJobMapper.updateByPrimaryKeySelective(scheduleJobBean) ;
}

6、恢復(fù)定時器

@Override
@Transactional(rollbackFor = Exception.class)
public void resumeJob(Long jobId) {
 ScheduleJobBean scheduleJobBean = scheduleJobMapper.selectByPrimaryKey(jobId) ;
 ScheduleUtil.resumeJob(scheduler,jobId);
 scheduleJobBean.setStatus(0);
 scheduleJobMapper.updateByPrimaryKeySelective(scheduleJobBean) ;
}

7、刪除定時器

@Override
@Transactional(rollbackFor = Exception.class)
public void delete(Long jobId) {
 ScheduleUtil.deleteJob(scheduler, jobId);
 scheduleJobMapper.deleteByPrimaryKey(jobId) ;
}

四、配置一個測試的定時器

1、定時接口封裝

public interface TaskService {
 void run(String params);
}

2、測試定時器

@Component("getTimeTask")
public class GetTimeTask implements TaskService {
 private static final Logger LOG = LoggerFactory.getLogger(GetTimeTask.class.getName()) ;
 private static final SimpleDateFormat format =
  new SimpleDateFormat("yyyy-MM-dd HH:mm:ss") ;
 @Override
 public void run(String params) {
 LOG.info("Params === >> " + params);
 LOG.info("當前時間::::"+format.format(new Date()));
 }
}

五、源代碼

GitHub：知了一笑

https://github.com/cicadasmile/middle-ware-parent

總結(jié)

以上所述是小編給大家介紹的Spring Boot 2 整合 QuartJob 實現(xiàn)定時器實時管理功能，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復(fù)大家的。在此也非常感謝大家對腳本之家網(wǎng)站的支持！
如果你覺得本文對你有幫助，歡迎轉(zhuǎn)載，煩請注明出處，謝謝！

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