排除每年的7.4这一天,AnnualCalendar_annualcalendar quartz-优快云博客

本文介绍如何使用Quartz调度器配置作业，并通过AnnualCalendar排除特定日期进行任务调度。文章详细展示了创建排除7月4日的AnnualCalendar并将其与调度器关联的过程。

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package com.cavaness.quartzbook.chapter3;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.SimpleTrigger;
import org.quartz.Trigger;
import org.quartz.TriggerUtils;
import org.quartz.impl.StdSchedulerFactory;
import org.quartz.impl.calendar.AnnualCalendar;

/**
 * 编程式调度器,排除某些日子后执行作业
 * @author Kevin
 *
 */
public class Listing_4_9 {
	private static Log log = LogFactory.getLog(Listing_3_5.class);
	
	/**
	 * 创建,启动调度器
	 * @throws SchedulerException 
	 */
	public void startScheduler() throws SchedulerException {
		Scheduler scheduler = null;
		try {
			scheduler = StdSchedulerFactory.getDefaultScheduler();
		} catch (SchedulerException e) {
			log.error("调度器创建失败!", e);
			throw e;
		}
		
		try {
			scheduler.start();
		} catch (SchedulerException e) {
			log.error("调度器启动失败!", e);
			throw e;
		}
		log.info("调度器启动时间:" + new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date()));
		
		scheduleJob(scheduler, PrintInfoJob.class);
		
	}
	
	/**
	 * 配置作业,创建触发器 
	 * @param scheduler 调度器
	 * @param jobClass 作业所在的类
	 * @throws SchedulerException 
	 */
	public void scheduleJob(Scheduler scheduler, Class jobClass) throws SchedulerException {
		AnnualCalendar annualCalendar = new AnnualCalendar(); // 排除7.4,注意:调度器最好不要在排除的那一天启动,否则,调度作业的时间是不确定的
		
		Calendar calendar = Calendar.getInstance();
		calendar.set(Calendar.MONTH, Calendar.JULY);
		calendar.set(Calendar.DAY_OF_MONTH, 4);
		
		annualCalendar.setDayExcluded(calendar, true); // true表示要排除此日期
		
		try {
			scheduler.addCalendar("bankHolidays", annualCalendar, true, true); // 两个true分别表示替换和更新原来的AnnualCalendar
		} catch (SchedulerException e) {
			log.error("为调度器关联annualCalendar失败!", e);
			throw e;
		} 
		
		Trigger printInfoTrigger = TriggerUtils.makeSecondlyTrigger("printInfoTrigger", 
				100, SimpleTrigger.REPEAT_INDEFINITELY);
		printInfoTrigger.setStartTime(new Date()); // 创建触发器
		printInfoTrigger.setCalendarName("bankHolidays"); // 关联触发器和calendar
		
		JobDetail printInfoJobDetail = new JobDetail("printInfoJobDetail", Scheduler.DEFAULT_GROUP, jobClass);
		
		try {
			scheduler.scheduleJob(printInfoJobDetail, printInfoTrigger); // 关联触发器和调度器
		} catch (SchedulerException e) {
			log.error("关联触发器printInfoTrigger和调度器scheduler失败!", e);
			throw e;
		} 
		
		
	}
	
	public static void main(String[] args) throws SchedulerException {
		Listing_4_9 listing_4_9 = new Listing_4_9();
		listing_4_9.startScheduler();
		
	}
}