初始化

zhaowenxuan

2025-02-06 06c12d2b42c343798d9476be66031b48967df639

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package com.ltkj.quartz.util;
 
import com.ltkj.quartz.domain.SysJob;
import org.quartz.CronScheduleBuilder;
import org.quartz.CronTrigger;
import org.quartz.Job;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.JobKey;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.TriggerBuilder;
import org.quartz.TriggerKey;
import com.ltkj.common.constant.Constants;
import com.ltkj.common.constant.ScheduleConstants;
import com.ltkj.common.exception.job.TaskException;
import com.ltkj.common.exception.job.TaskException.Code;
import com.ltkj.common.utils.StringUtils;
import com.ltkj.common.utils.spring.SpringUtils;
 
/**
 * 定时任务工具类
 *
 * @author ltkj
 */
public class ScheduleUtils {
    /**
     * 得到quartz任务类
     *
     * @param sysJob 执行计划
     * @return 具体执行任务类
     */
    private static Class<? extends Job> getQuartzJobClass(SysJob sysJob) {
        boolean isConcurrent = "0".equals(sysJob.getConcurrent());
        return isConcurrent ? QuartzJobExecution.class : QuartzDisallowConcurrentExecution.class;
    }
 
    /**
     * 构建任务触发对象
     */
    public static TriggerKey getTriggerKey(Long jobId, String jobGroup) {
        return TriggerKey.triggerKey(ScheduleConstants.TASK_CLASS_NAME + jobId, jobGroup);
    }
 
    /**
     * 构建任务键对象
     */
    public static JobKey getJobKey(Long jobId, String jobGroup) {
        return JobKey.jobKey(ScheduleConstants.TASK_CLASS_NAME + jobId, jobGroup);
    }
 
    /**
     * 创建定时任务
     */
    public static void createScheduleJob(Scheduler scheduler, SysJob job) throws SchedulerException, TaskException {
        Class<? extends Job> jobClass = getQuartzJobClass(job);
        // 构建job信息
        Long jobId = job.getJobId();
        String jobGroup = job.getJobGroup();
        JobDetail jobDetail = JobBuilder.newJob(jobClass).withIdentity(getJobKey(jobId, jobGroup)).build();
 
        // 表达式调度构建器
        CronScheduleBuilder cronScheduleBuilder = CronScheduleBuilder.cronSchedule(job.getCronExpression());
        cronScheduleBuilder = handleCronScheduleMisfirePolicy(job, cronScheduleBuilder);
 
        // 按新的cronExpression表达式构建一个新的trigger
        CronTrigger trigger = TriggerBuilder.newTrigger().withIdentity(getTriggerKey(jobId, jobGroup))
                .withSchedule(cronScheduleBuilder).build();
 
        // 放入参数，运行时的方法可以获取
        jobDetail.getJobDataMap().put(ScheduleConstants.TASK_PROPERTIES, job);
 
        // 判断是否存在
        if (scheduler.checkExists(getJobKey(jobId, jobGroup))) {
            // 防止创建时存在数据问题 先移除，然后在执行创建操作
            scheduler.deleteJob(getJobKey(jobId, jobGroup));
        }
 
        // 判断任务是否过期
        if (StringUtils.isNotNull(CronUtils.getNextExecution(job.getCronExpression()))) {
            // 执行调度任务
            scheduler.scheduleJob(jobDetail, trigger);
        }
 
        // 暂停任务
        if (job.getStatus().equals(ScheduleConstants.Status.PAUSE.getValue())) {
            scheduler.pauseJob(ScheduleUtils.getJobKey(jobId, jobGroup));
        }
    }
 
    /**
     * 设置定时任务策略
     */
    public static CronScheduleBuilder handleCronScheduleMisfirePolicy(SysJob job, CronScheduleBuilder cb)
            throws TaskException {
        switch (job.getMisfirePolicy()) {
            case ScheduleConstants.MISFIRE_DEFAULT:
                return cb;
            case ScheduleConstants.MISFIRE_IGNORE_MISFIRES:
                return cb.withMisfireHandlingInstructionIgnoreMisfires();
            case ScheduleConstants.MISFIRE_FIRE_AND_PROCEED:
                return cb.withMisfireHandlingInstructionFireAndProceed();
            case ScheduleConstants.MISFIRE_DO_NOTHING:
                return cb.withMisfireHandlingInstructionDoNothing();
            default:
                throw new TaskException("The task misfire policy '" + job.getMisfirePolicy()
                        + "' cannot be used in cron schedule tasks", Code.CONFIG_ERROR);
        }
    }
 
    /**
     * 检查包名是否为白名单配置
     *
     * @param invokeTarget 目标字符串
     * @return 结果
     */
    public static boolean whiteList(String invokeTarget) {
        String packageName = StringUtils.substringBefore(invokeTarget, "(");
        int count = StringUtils.countMatches(packageName, ".");
        if (count > 1) {
            return StringUtils.containsAnyIgnoreCase(invokeTarget, Constants.JOB_WHITELIST_STR);
        }
        Object obj = SpringUtils.getBean(StringUtils.split(invokeTarget, ".")[0]);
        return StringUtils.containsAnyIgnoreCase(obj.getClass().getPackage().getName(), Constants.JOB_WHITELIST_STR);
    }
}