很久沒有用Quartz了，居然忘記如何使用了，這里趕緊記錄下
對Quartz就不說明了，直接上代碼
注：這里使用的是Quartz1.5.2版本(包：quartz-1.5.2.jar)
簡單的任務管理類
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管理類
*
* @Description:
*
* @Copyright:
* @author zz 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";
/** *//**
* 添加一個定時任務，使用默認的任務組名，觸發器名，觸發器組名
* @param jobName 任務名
* @param job 任務
* @param time 時間設置，參考quartz說明文檔
* @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());//任務名，任務組，任務執行類
//觸發器
CronTrigger trigger =
new CronTrigger(jobName, TRIGGER_GROUP_NAME);//觸發器名,觸發器組
trigger.setCronExpression(time);//觸發器時間設定
sched.scheduleJob(jobDetail,trigger);
//啟動
if(!sched.isShutdown())
sched.start();
}
/** *//**
* 添加一個定時任務
* @param jobName 任務名
* @param jobGroupName 任務組名
* @param triggerName 觸發器名
* @param triggerGroupName 觸發器組名
* @param job 任務
* @param time 時間設置，參考quartz說明文檔
* @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());//任務名，任務組，任務執行類
//觸發器
CronTrigger trigger =
new CronTrigger(triggerName, triggerGroupName);//觸發器名,觸發器組
trigger.setCronExpression(time);//觸發器時間設定
sched.scheduleJob(jobDetail,trigger);
if(!sched.isShutdown())
sched.start();
}
/** *//**
* 修改一個任務的觸發時間(使用默認的任務組名，觸發器名，觸發器組名)
* @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);
}
}
/** *//**
* 修改一個任務的觸發時間
* @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;
//修改時間
ct.setCronExpression(time);
//重啟觸發器
sched.resumeTrigger(triggerName,triggerGroupName);
}
}
/** *//**
* 移除一個任務(使用默認的任務組名，觸發器名，觸發器組名)
* @param jobName
* @throws SchedulerException
*/
public static void removeJob(String jobName)
throws SchedulerException{
Scheduler sched = sf.getScheduler();
sched.pauseTrigger(jobName,TRIGGER_GROUP_NAME);//停止觸發器
sched.unscheduleJob(jobName,TRIGGER_GROUP_NAME);//移除觸發器
sched.deleteJob(jobName,JOB_GROUP_NAME);//刪除任務
}
/** *//**
* 移除一個任務
* @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);//停止觸發器
sched.unscheduleJob(triggerName,triggerGroupName);//移除觸發器
sched.deleteJob(jobName,jobGroupName);//刪除任務
}
}
測試工作類
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
public class TestJob implements Job {
public void execute(JobExecutionContext arg0) throws JobExecutionException {
// TODO Auto-generated method stub
System.out.println("★★★★★★★★★★★");
}
}
測試類
public class QuartzTest {
/** *//**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
TestJob job = new TestJob();
String job_name ="11";
try {
System.out.println("【系統啟動】");
QuartzManager.addJob(job_name,job,"0/5 * * * * ?");
Thread.sleep(10000);
System.out.println("【修改時間】");
QuartzManager.modifyJobTime(job_name,"0/10 * * * * ?");
Thread.sleep(20000);
System.out.println("【移除定時】");
QuartzManager.removeJob(job_name);
Thread.sleep(10000);
System.out.println("\n【添加定時任務】");
QuartzManager.addJob(job_name,job,"0/5 * * * * ?");
} catch (Exception e) {
e.printStackTrace();
}
}
}