Quartz管理类

package com.sihuatech.project.task.manager;import java.text.parseexception;import org.quartz.crontrigger;import org.quartz.job;import org.quartz.jobdetail;import org.quartz.scheduler;import org.quartz.schedulerexception;import org.quartz.schedulerfactory;import org.quartz.trigger;import org.quartz.impl.stdschedulerfactory;/** * @title:quartz管理类 *  * @description: *  * @copyright: * @author lei 2008-10-8 14:19:01 * @version 1.00.000 *  */public class quartzmanager {	private static schedulerfactory sf = new stdschedulerfactory();	private static string job_group_name = "group1";	private static string trigger_group_name = "trigger1";	private static quartzmanager quartzmanager;	public static quartzmanager getinstance() {		if (quartzmanager == null) {			quartzmanager = new quartzmanager();		}		return quartzmanager;	}	private quartzmanager() {	}	/**	 * 添加一个定时任务，使用默认的任务组名，触发器名，触发器组名	 * 	 * @param jobname	 *            任务名	 * @param job	 *            任务	 * @param time	 *            时间设置，参考quartz说明文档	 * @throws schedulerexception	 * @throws parseexception	 */	public static void addjob(string jobname, job job, string time) throws schedulerexception, parseexception {		scheduler sched = sf.getscheduler();		jobdetail jobdetail = new jobdetail(jobname, job_group_name, job.getclass());// 任务名，任务组，任务执行类		// 触发器		crontrigger trigger = new crontrigger(jobname, trigger_group_name);// 触发器名,触发器组		trigger.setcronexpression(time);// 触发器时间设定		sched.schedulejob(jobdetail, trigger);		// 启动		if (!sched.isshutdown())			sched.start();	}	/**	 * 添加一个定时任务	 * 	 * @param jobname	 *            任务名	 * @param jobgroupname	 *            任务组名	 * @param triggername	 *            触发器名	 * @param triggergroupname	 *            触发器组名	 * @param job	 *            任务	 * @param time	 *            时间设置，参考quartz说明文档	 * @throws schedulerexception	 * @throws parseexception	 */	public static void addjob(string jobname, string jobgroupname, string triggername, string triggergroupname, job job, string time) throws schedulerexception, parseexception {		scheduler sched = sf.getscheduler();		jobdetail jobdetail = new jobdetail(jobname, jobgroupname, job.getclass());// 任务名，任务组，任务执行类		// 触发器		crontrigger trigger = new crontrigger(triggername, triggergroupname);// 触发器名,触发器组		trigger.setcronexpression(time);// 触发器时间设定		sched.schedulejob(jobdetail, trigger);		if (!sched.isshutdown())			sched.start();	}	/**	 * 修改一个任务的触发时间(使用默认的任务组名，触发器名，触发器组名)	 * 	 * @param jobname	 * @param time	 * @throws schedulerexception	 * @throws parseexception	 */	public static void modifyjobtime(string jobname, string time) throws schedulerexception, parseexception {		scheduler sched = sf.getscheduler();		trigger trigger = sched.gettrigger(jobname, trigger_group_name);		if (trigger != null) {			crontrigger ct = (crontrigger) trigger;			ct.setcronexpression(time);			sched.resumetrigger(jobname, trigger_group_name);		}	}	/**	 * 修改一个任务的触发时间	 * 	 * @param triggername	 * @param triggergroupname	 * @param time	 * @throws schedulerexception	 * @throws parseexception	 */	public static void modifyjobtime(string triggername, string triggergroupname, string time) throws schedulerexception, parseexception {		scheduler sched = sf.getscheduler();		trigger trigger = sched.gettrigger(triggername, triggergroupname);		if (trigger != null) {			crontrigger ct = (crontrigger) trigger;			// 修改时间			ct.setcronexpression(time);			// 重启触发器			sched.resumetrigger(triggername, triggergroupname);		}	}	/**	 * 移除一个任务(使用默认的任务组名，触发器名，触发器组名)	 * 	 * @param jobname	 * @throws schedulerexception	 */	public static void removejob(string jobname) throws schedulerexception {		scheduler sched = sf.getscheduler();		sched.pausetrigger(jobname, trigger_group_name);// 停止触发器		sched.unschedulejob(jobname, trigger_group_name);// 移除触发器		sched.deletejob(jobname, job_group_name);// 删除任务	}	/**	 * 移除一个任务	 * 	 * @param jobname	 * @param jobgroupname	 * @param triggername	 * @param triggergroupname	 * @throws schedulerexception	 */	public static void removejob(string jobname, string jobgroupname, string triggername, string triggergroupname) throws schedulerexception {		scheduler sched = sf.getscheduler();		sched.pausetrigger(triggername, triggergroupname);// 停止触发器		sched.unschedulejob(triggername, triggergroupname);// 移除触发器		sched.deletejob(jobname, jobgroupname);// 删除任务	}}