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@ -25,6 +25,8 @@ public class JobScheduleHelper {
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return instance;
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}
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public static final long PRE_READ_MS = 5000; // pre read
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private Thread scheduleThread;
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private Thread ringThread;
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private volatile boolean scheduleThreadToStop = false;
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@ -47,11 +49,11 @@ public class JobScheduleHelper {
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}
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logger.info(">>>>>>>>> init xxl-job admin scheduler success.");
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Connection conn = null;
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while (!scheduleThreadToStop) {
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// 扫描任务
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long start = System.currentTimeMillis();
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Connection conn = null;
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PreparedStatement preparedStatement = null;
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try {
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if (conn==null || conn.isClosed()) {
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@ -65,16 +67,16 @@ public class JobScheduleHelper {
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// tx start
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// 1、预读5s内调度任务
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long maxNextTime = System.currentTimeMillis() + 5000;
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List<XxlJobInfo> scheduleList = XxlJobAdminConfig.getAdminConfig().getXxlJobInfoDao().scheduleJobQuery(maxNextTime);
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List<XxlJobInfo> scheduleList = XxlJobAdminConfig.getAdminConfig().getXxlJobInfoDao().scheduleJobQuery(System.currentTimeMillis() + PRE_READ_MS);
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if (scheduleList!=null && scheduleList.size()>0) {
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// 2、推送时间轮
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for (XxlJobInfo jobInfo: scheduleList) {
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// 时间轮刻度计算
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if (System.currentTimeMillis() > jobInfo.getTriggerNextTime() + 5000) {
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if (System.currentTimeMillis() > jobInfo.getTriggerNextTime() + PRE_READ_MS) {
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// 过期超5s:本地忽略,当前时间开始计算下次触发时间
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// fresh next
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jobInfo.setTriggerLastTime(jobInfo.getTriggerNextTime());
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jobInfo.setTriggerNextTime(
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new CronExpression(jobInfo.getJobCron())
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@ -82,28 +84,29 @@ public class JobScheduleHelper {
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.getTime()
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);
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// pass
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continue;
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} else if (System.currentTimeMillis() > jobInfo.getTriggerNextTime()) {
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// 过期5s内 :立即触发一次,当前时间开始计算下次触发时间
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// 过期5s内 :立即触发一次,当前时间开始计算下次触发时间;一旦过期,预读一次;
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jobInfo.setTriggerLastTime(jobInfo.getTriggerNextTime());
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jobInfo.setTriggerNextTime(
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new CronExpression(jobInfo.getJobCron())
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.getNextValidTimeAfter(new Date())
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.getTime()
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);
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CronExpression cronExpression = new CronExpression(jobInfo.getJobCron());
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long nextTime = cronExpression.getNextValidTimeAfter(new Date()).getTime();
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// do trigger
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// 1、trigger
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JobTriggerPoolHelper.trigger(jobInfo.getId(), TriggerTypeEnum.CRON, -1, null, null);
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logger.debug(">>>>>>>>>>> xxl-job, push trigger : jobId = " + jobInfo.getId() );
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} else {
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// 未过期:正常触发,递增计算下次触发时间
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// 2、fresh next
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jobInfo.setTriggerLastTime(jobInfo.getTriggerNextTime());
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jobInfo.setTriggerNextTime(nextTime);
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// 3、check pre read
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if (jobInfo.getTriggerNextTime() - System.currentTimeMillis() < PRE_READ_MS) {
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// 1、make ring second
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int ringSecond = (int)((jobInfo.getTriggerNextTime()/1000)%60);
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// 2、push time ring
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pushTimeRing(ringSecond, jobInfo.getId());
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// 3、fresh next
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jobInfo.setTriggerLastTime(jobInfo.getTriggerNextTime());
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jobInfo.setTriggerNextTime(
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new CronExpression(jobInfo.getJobCron())
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@ -111,15 +114,25 @@ public class JobScheduleHelper {
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.getTime()
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);
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// push async ring
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List<Integer> ringItemData = ringData.get(ringSecond);
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if (ringItemData == null) {
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ringItemData = new ArrayList<Integer>();
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ringData.put(ringSecond, ringItemData);
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}
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ringItemData.add(jobInfo.getId());
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logger.debug(">>>>>>>>>>> xxl-job, push time-ring : " + ringSecond + " = " + Arrays.asList(ringItemData) );
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logger.debug(">>>>>>>>>>> xxl-job, push trigger : jobId = " + jobInfo.getId() );
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} else {
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// 未过期:正常触发,递增计算下次触发时间
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// 1、make ring second
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int ringSecond = (int)((jobInfo.getTriggerNextTime()/1000)%60);
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// 2、push time ring
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pushTimeRing(ringSecond, jobInfo.getId());
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// 3、fresh next
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jobInfo.setTriggerLastTime(jobInfo.getTriggerNextTime());
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jobInfo.setTriggerNextTime(
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new CronExpression(jobInfo.getJobCron())
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.getNextValidTimeAfter(new Date(jobInfo.getTriggerNextTime()))
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.getTime()
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);
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}
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}
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@ -139,12 +152,6 @@ public class JobScheduleHelper {
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logger.error(">>>>>>>>>>> xxl-job, JobScheduleHelper#scheduleThread error:{}", e);
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}
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} finally {
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if (conn != null) {
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try {
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conn.close();
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} catch (SQLException e) {
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}
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}
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if (null != preparedStatement) {
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try {
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preparedStatement.close();
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@ -166,6 +173,12 @@ public class JobScheduleHelper {
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}
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}
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if (conn != null) {
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try {
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conn.close();
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} catch (SQLException e) {
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}
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}
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logger.info(">>>>>>>>>>> xxl-job, JobScheduleHelper#scheduleThread stop");
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}
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});
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@ -235,6 +248,18 @@ public class JobScheduleHelper {
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ringThread.start();
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}
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private void pushTimeRing(int ringSecond, int jobId){
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// push async ring
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List<Integer> ringItemData = ringData.get(ringSecond);
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if (ringItemData == null) {
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ringItemData = new ArrayList<Integer>();
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ringData.put(ringSecond, ringItemData);
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}
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ringItemData.add(jobId);
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logger.debug(">>>>>>>>>>> xxl-job, push time-ring : " + ringSecond + " = " + Arrays.asList(ringItemData) );
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}
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public void toStop(){
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// 1、stop schedule
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@ -4,6 +4,7 @@ import com.xxl.job.admin.core.model.XxlJobGroup;
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import com.xxl.job.admin.core.model.XxlJobInfo;
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import com.xxl.job.admin.core.cron.CronExpression;
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import com.xxl.job.admin.core.route.ExecutorRouteStrategyEnum;
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import com.xxl.job.admin.core.thread.JobScheduleHelper;
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import com.xxl.job.admin.core.util.I18nUtil;
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import com.xxl.job.admin.dao.XxlJobGroupDao;
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import com.xxl.job.admin.dao.XxlJobInfoDao;
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@ -193,7 +194,7 @@ public class XxlJobServiceImpl implements XxlJobService {
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long nextTriggerTime = exists_jobInfo.getTriggerNextTime();
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if (exists_jobInfo.getTriggerStatus() == 1 && !jobInfo.getJobCron().equals(exists_jobInfo.getJobCron()) ) {
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try {
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nextTriggerTime = new CronExpression(jobInfo.getJobCron()).getNextValidTimeAfter(new Date(System.currentTimeMillis() + 5000)).getTime();
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nextTriggerTime = new CronExpression(jobInfo.getJobCron()).getNextValidTimeAfter(new Date(System.currentTimeMillis() + JobScheduleHelper.PRE_READ_MS)).getTime();
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} catch (ParseException e) {
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logger.error(e.getMessage(), e);
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return new ReturnT<String>(ReturnT.FAIL_CODE, I18nUtil.getString("jobinfo_field_cron_unvalid")+" | "+ e.getMessage());
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@ -239,7 +240,7 @@ public class XxlJobServiceImpl implements XxlJobService {
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// next trigger time (5s后生效,避开预读周期)
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long nextTriggerTime = 0;
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try {
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nextTriggerTime = new CronExpression(xxlJobInfo.getJobCron()).getNextValidTimeAfter(new Date(System.currentTimeMillis() + 5000)).getTime();
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nextTriggerTime = new CronExpression(xxlJobInfo.getJobCron()).getNextValidTimeAfter(new Date(System.currentTimeMillis() + JobScheduleHelper.PRE_READ_MS)).getTime();
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} catch (ParseException e) {
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logger.error(e.getMessage(), e);
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return new ReturnT<String>(ReturnT.FAIL_CODE, I18nUtil.getString("jobinfo_field_cron_unvalid")+" | "+ e.getMessage());
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