[英]Dynamic Job Data using Quartz
當我的進程收到消息時,它需要啟動一個計時器並在X秒內執行一些邏輯。 這些作業需要存儲在JDBC存儲中,據我所知,這可能與此問題無關。
根據我讀過的內容,我應該能夠為一個Job類分配一個具有不同類似屬性值的JobDataMap,但是我無法找到任何文檔或示例來支持這個用例。 也許我的Google-fu很弱。
那有意義嗎? 有一個Job類,並以某種方式存儲JobDataMap來填充該Job類並在每個消息的基礎上運行它?
org.quartz.Trigger
既有getJobDataMap()
(必要時會new
一個)和setJobDataMap()
來獲取觸發器的JobDataMap 。
最簡單的用法是:
Trigger t = new SimpleTrigger(...);
t.getJobDataMap().put("foo", "bar");
要使用現有的值映射進行初始化:
Map data = new HashMap();
data.put("foo", "bar");
t.setJobDataMap(new JobDataMap(data));
在作業執行時獲取數據
public void execute(JobExecutionContext context) throws JobExecutionException
{
String fooValue = context.getMergedJobDataMap().get("foo");
}
本教程中有關JobDataMap的文檔 。
嗨cansando(你說西班牙語???)。 我將舉例說明Quartz。
public static void main(String[] args) {
SchedulerFactory schedFact = new org.quartz.impl.StdSchedulerFactory();
try {
Scheduler sched;
sched = schedFact.getScheduler();
sched.start();
JobDetail jobd = new JobDetail("instruccion", "instrucciones",
Mensaje.class);
// TriggerExample trigger = new TriggerExample("instruccion",
// "instrucciones");
jobd.setRequestsRecovery(true);
SimpleTrigger trigger2 = new SimpleTrigger("lanzador principal", "lanzadores", "instruccion","instrucciones" , Calendar.getInstance().getTime(), null, 100, 10000);
trigger2.setMisfireInstruction(SimpleTrigger.MISFIRE_INSTRUCTION_FIRE_NOW);
sched.scheduleJob(jobd, trigger2);
//
// }
} catch (SchedulerException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
};
public class Mensaje implements Job {
@Override
public void execute(JobExecutionContext arg0) throws JobExecutionException {
System.out.println("Hola Mundo");
}
}
public class TriggerExample extends Trigger {
/**
*
*/
private static final long serialVersionUID = -4926331843008217753L;
Date fechaAEjecutar;
public TriggerExample(){
super();
}
public TriggerExample(String name){
super(name);
}
public TriggerExample(String name, String group){
super(name, group);
}
public TriggerExample(String name, String group,String jobname, String jobgroup){
super(name,group,jobname,jobgroup);
}
@Override
public Date computeFirstFireTime(Calendar arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
public int executionComplete(JobExecutionContext arg0,
JobExecutionException arg1) {
// TODO Auto-generated method stub
return 0;
}
@Override
public Date getEndTime() {
// TODO Auto-generated method stub
return null;
}
@Override
public Date getFinalFireTime() {
// TODO Auto-generated method stub
return null;
}
@Override
public Date getFireTimeAfter(Date arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
public Date getNextFireTime() {
// TODO Auto-generated method stub
return null;
}
@Override
public Date getPreviousFireTime() {
// TODO Auto-generated method stub
return null;
}
@Override
public Date getStartTime() {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean mayFireAgain() {
// TODO Auto-generated method stub
return false;
}
@Override
public void setEndTime(Date arg0) {
// TODO Auto-generated method stub
}
@Override
public void setStartTime(Date arg0) {
this.fechaAEjecutar = arg0;
System.out.println("Cargue la fecha el data con valor\n");
System.out.println(this.fechaAEjecutar.getTime());
}
@Override
public void triggered(Calendar arg0) {
// TODO Auto-generated method stub
}
@Override
public void updateAfterMisfire(Calendar arg0) {
// TODO Auto-generated method stub
}
@Override
public void updateWithNewCalendar(Calendar arg0, long arg1) {
// TODO Auto-generated method stub
}
@Override
protected boolean validateMisfireInstruction(int arg0) {
// TODO Auto-generated method stub
return false;
}
}
在這一行中SimpleTrigger trigger2 = new SimpleTrigger(“lanzador principal”,“lanzadores”,“instruccion”,“instrucciones”,Calendar.getInstance()。getTime(),null,100,10000);
你能設定執行和重復的時間嗎?
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