From f7c2e5e8a336ef4861bb1fffdb1fcbddbfb501e4 Mon Sep 17 00:00:00 2001 From: xuxueli <931591021@qq.com> Date: Fri, 19 Jul 2019 16:19:59 +0800 Subject: [PATCH] update document --- .../job/admin/core/thread/JobScheduleHelper.java | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobScheduleHelper.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobScheduleHelper.java index d3c51b82..cb4433c7 100644 --- a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobScheduleHelper.java +++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobScheduleHelper.java @@ -67,16 +67,16 @@ public class JobScheduleHelper { // tx start - // 1、预读5s内调度任务 + // 1、pre read long nowTime = System.currentTimeMillis(); List scheduleList = XxlJobAdminConfig.getAdminConfig().getXxlJobInfoDao().scheduleJobQuery(nowTime + PRE_READ_MS); if (scheduleList!=null && scheduleList.size()>0) { - // 2、推送时间轮 + // 2、push time-ring for (XxlJobInfo jobInfo: scheduleList) { - // 时间轮刻度计算 + // time-ring jump if (nowTime > jobInfo.getTriggerNextTime() + PRE_READ_MS) { - // 过期超5s:本地忽略,当前时间开始计算下次触发时间 + // 2.1、trigger-expire > 5s:pass && make next-trigger-time // fresh next Date nextValidTime = new CronExpression(jobInfo.getJobCron()).getNextValidTimeAfter(new Date()); @@ -90,7 +90,7 @@ public class JobScheduleHelper { } } else if (nowTime > jobInfo.getTriggerNextTime()) { - // 过期5s内 :立即触发一次,当前时间开始计算下次触发时间; + // 2.2、trigger-expire < 5s:direct-trigger && make next-trigger-time CronExpression cronExpression = new CronExpression(jobInfo.getJobCron()); long nextTime = cronExpression.getNextValidTimeAfter(new Date()).getTime(); @@ -104,7 +104,7 @@ public class JobScheduleHelper { jobInfo.setTriggerNextTime(nextTime); - // 下次5s内:预读一次; + // next-trigger-time in 5s, pre-read again if (jobInfo.getTriggerNextTime() - nowTime < PRE_READ_MS) { // 1、make ring second @@ -127,7 +127,7 @@ public class JobScheduleHelper { } } else { - // 未过期:正常触发,递增计算下次触发时间 + // 2.3、trigger-pre-read:time-ring trigger && make next-trigger-time // 1、make ring second int ringSecond = (int)((jobInfo.getTriggerNextTime()/1000)%60); @@ -150,7 +150,7 @@ public class JobScheduleHelper { } - // 3、更新trigger信息 + // 3、update trigger info for (XxlJobInfo jobInfo: scheduleList) { XxlJobAdminConfig.getAdminConfig().getXxlJobInfoDao().scheduleUpdate(jobInfo); }