linwe
2024-08-09 8b7258c9427882bb1798f1502eaa35184c6e374e
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package org.springblade.xxljob.service.impl;
 
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xxl.job.core.biz.model.ReturnT;
import org.springblade.core.log.exception.ServiceException;
import org.springblade.xxljob.cron.CronExpression;
import org.springblade.xxljob.entity.JobInfoEntity;
import org.springblade.xxljob.vo.JobInfoVO;
import org.springblade.xxljob.mapper.JobInfoMapper;
import org.springblade.xxljob.service.IJobInfoService;
import org.springframework.stereotype.Service;
import com.baomidou.mybatisplus.core.metadata.IPage;
import java.util.Date;
 
/**
 * 调度任务信息表 服务实现类
 *
 * @author BladeX
 * @since 2024-01-10
 */
@Service
public class JobInfoServiceImpl extends ServiceImpl<JobInfoMapper, JobInfoEntity> implements IJobInfoService {
 
 
    public static final long PRE_READ_MS = 5000;    // pre read
 
 
    @Override
    public IPage<JobInfoVO> selectJobInfoPage(IPage<JobInfoVO> page, JobInfoVO jobInfo) {
        return page.setRecords(baseMapper.selectJobInfoPage(page, jobInfo));
    }
 
    /**
     * 更新任务
     * @param jobInfo
     * @return
     */
    @Override
    public boolean updateJob(JobInfoEntity jobInfo) {
        boolean flag = false;
        // 获取最新任务信息
        JobInfoEntity exists_jobInfo = getById(jobInfo.getId());
        // next trigger time (5s后生效,避开预读周期)
        long nextTriggerTime = jobInfo.getTriggerNextTime();
        boolean scheduleDataNotChanged = jobInfo.getScheduleType().equals(exists_jobInfo.getScheduleType()) && jobInfo.getScheduleConf().equals(exists_jobInfo.getScheduleConf());
        if (exists_jobInfo.getTriggerStatus() == 1 && !scheduleDataNotChanged) {
            try {
                Date nextValidTime = generateNextValidTime(jobInfo, new Date(System.currentTimeMillis() + PRE_READ_MS));
                if (nextValidTime == null) {
                    return false;
                }
                nextTriggerTime = nextValidTime.getTime();
            } catch (Exception e) {
                return false;
            }
        }
 
        exists_jobInfo.setJobGroup(jobInfo.getJobGroup());
        exists_jobInfo.setJobDesc(jobInfo.getJobDesc());
        exists_jobInfo.setAuthor(jobInfo.getAuthor());
        exists_jobInfo.setAlarmEmail(jobInfo.getAlarmEmail());
        exists_jobInfo.setScheduleType(jobInfo.getScheduleType());
        exists_jobInfo.setScheduleConf(jobInfo.getScheduleConf());
        exists_jobInfo.setMisfireStrategy(jobInfo.getMisfireStrategy());
        exists_jobInfo.setExecutorRouteStrategy(jobInfo.getExecutorRouteStrategy());
        exists_jobInfo.setExecutorHandler(jobInfo.getExecutorHandler());
        exists_jobInfo.setExecutorParam(jobInfo.getExecutorParam());
        exists_jobInfo.setExecutorBlockStrategy(jobInfo.getExecutorBlockStrategy());
        exists_jobInfo.setExecutorTimeout(jobInfo.getExecutorTimeout());
        exists_jobInfo.setExecutorFailRetryCount(jobInfo.getExecutorFailRetryCount());
        exists_jobInfo.setChildJobid(jobInfo.getChildJobid());
        exists_jobInfo.setTriggerNextTime(nextTriggerTime);
        exists_jobInfo.setUpdateTime(new Date());
        // 更新
        flag = updateById(exists_jobInfo);
        // 返回
        return flag;
    }
 
    // ---------------------- tools ----------------------
    public Date generateNextValidTime(JobInfoEntity jobInfo, Date fromTime) throws Exception {
        Date nextValidTime = new CronExpression(jobInfo.getScheduleConf()).getNextValidTimeAfter(fromTime);
        return nextValidTime;
    }
 
    /**
     * 调度任务信息表 新增
     * @param jobInfo
     * @return
     */
    @Override
    public boolean addJob(JobInfoEntity jobInfo) {
        boolean flag = false;
        // add in db
        jobInfo.setAddTime(new Date());
        jobInfo.setUpdateTime(new Date());
        jobInfo.setGlueUpdatetime(new Date());
        // 新增
        flag = save(jobInfo);
        // 返回
        return flag;
    }
 
    /**
     * 调度任务信息表 启动
     * @param jobInfo
     * @return
     */
    @Override
    public boolean start(JobInfoEntity jobInfo) {
        // next trigger time (5s后生效,避开预读周期)
        long nextTriggerTime = 0;
        try {
            Date nextValidTime = generateNextValidTime(jobInfo, new Date(System.currentTimeMillis() + PRE_READ_MS));
            if (nextValidTime == null) {
                return false;
            }
            nextTriggerTime = nextValidTime.getTime();
        } catch (Exception e) {
            return false;
        }
        byte b = 1;
        jobInfo.setTriggerStatus(b);
        jobInfo.setTriggerLastTime(0L);
        jobInfo.setTriggerNextTime(nextTriggerTime);
 
        jobInfo.setUpdateTime(new Date());
        boolean update = updateById(jobInfo);
        // 返回
        return update;
    }
 
    /**
     * 调度任务信息表 停止
     * @param jobInfo
     * @return
     */
    @Override
    public boolean stop(JobInfoEntity jobInfo) {
        byte b = 0;
        jobInfo.setTriggerStatus(b);
        jobInfo.setTriggerLastTime(0L);
        jobInfo.setTriggerNextTime(0L);
        jobInfo.setUpdateTime(new Date());
        boolean update = updateById(jobInfo);
        // 返回
        return update;
    }
}