Quartz初试
最近需要用到Quartz，网上找了一些文章大多数都是E文，虽然E文不好，但还是将就写了一个
/*
* Created on 2005-4-25
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*/
package fox.rison;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.quartz.CronTrigger;
import org.quartz.Job;
import org.quartz.JobDetail;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.impl.StdSchedulerFactory;
/**
* @author Administrator
*
* TODO To change the template for this generated type comment go to
* Window - Preferences - Java - Code Style - Code Templates
*/
public class QuartzWorker implements Job {//需要继承Job接口
/* (non-Javadoc)
* @see org.quartz.Job#execute(org.quartz.JobExecutionContext)
*/
private Connection conn;
private Connection getConn(){
Connection conn =null;
String url = "jdbc:mysql://192.168.1.20/iwapdb?user=root&password=&useUnicode=true&characterEncoding=utf-8";
try{
Class.forName("org.gjt.mm.mysql.Driver");
conn = DriverManager.getConnection(url,"","");
}catch(Exception g){
g.printStackTrace();
}
return conn;
}
private String getYMD(Date d){
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMd");
return String.valueOf(sdf.format(d));
}
private String getHHMM(Date d){
int h = d.getHours();
int mt = d.getMinutes();
int hm = h * 100 + mt;
return String.valueOf(hm);
}
private void doTimerList(){
// ArrayList list = new ArrayList();
try{
if(conn==null || conn.isClosed()){
conn = getConn();
}
Date d = new Date();
String ymd = getYMD(d);
String hm = getHHMM(d);
String sql = "select * from time_column where Status ='0' AND ActionDate=" + ymd + " AND ActionTime=" + hm;
System.out.println(sql);
Statement stmt = conn.createStatement();
ResultSet rs =stmt.executeQuery(sql);
while(rs.next()){
int pid = rs.getInt("PageMainID");
String tmpsql = "";
if(rs.getString("ActionMode").equals("0")){
tmpsql = "update page_main set status='1' where id = " + pid+"";
}else{
tmpsql = "update page_main set status='0' where id = " + pid+"";
}
Statement st = conn.createStatement();
boolean count = st.execute(tmpsql);
st.close();
System.out.print(d.toLocaleString() + ":" + tmpsql + " ");
if(!count){
System.out.println("SUCCESS");
}else{
System.out.println("FAILURE");
}
}
stmt.close();
}catch(Exception g){
g.printStackTrace();
}
// return list;
}
//重载该函数
public void execute(JobExecutionContext jCxt) throws JobExecutionException {
// TODO Auto-generated method stub
System.out.println(
"Generating report - " +
jCxt.getJobDetail().getJobDataMap().get("type") + new Date()
);
doTimerList();
}
public static void main(String[] args) {
try{
SchedulerFactory shFact = new StdSchedulerFactory();
Scheduler shed = shFact.getScheduler();
shed.start();
JobDetail jobDetail = new JobDetail("Quartz","Example",QuartzWorker.class);
jobDetail.getJobDataMap().put("type","FULL");
CronTrigger trigger = new CronTrigger("Quartz","Example");
trigger.setCronExpression("0 0/5 * * * ?");//每5分钟执行一次
shed.scheduleJob(jobDetail,trigger);
}catch(Exception g){
g.printStackTrace();
}
}
}
然后写在同一目录下新建一个quartz.properties文件
#
# Configure Main Scheduler Properties
#
org.quartz.scheduler.instanceName = TestScheduler
org.quartz.scheduler.instanceId = one
#
# Configure ThreadPool 线程池数量
#
org.quartz.threadPool.class = org.quartz.simpl.SimpleThreadPool
org.quartz.threadPool.threadCount = 5
org.quartz.threadPool.threadPriority = 4
#
# Configure JobStore
#
org.quartz.jobStore.misfireThreshold = 5000
org.quartz.jobStore.class = org.quartz.simpl.RAMJobStore #保存在内存里，如果重新启动，那么所有的信息会消失，如果要做成持久化对象的话，可以保存到数据库里面。具体可以看
http://www.onjava.com/pub/a/onjava/2004/03/10/quartz.html?page=1
我也是照着这个写的，呵呵，可惜是E文的
