[英]Dynamic Job Data using Quartz
当我的进程收到消息时,它需要启动一个计时器并在X秒内执行一些逻辑。 这些作业需要存储在JDBC存储中,据我所知,这可能与此问题无关。
根据我读过的内容,我应该能够为一个Job类分配一个具有不同类似属性值的JobDataMap,但是我无法找到任何文档或示例来支持这个用例。 也许我的Google-fu很弱。
那有意义吗? 有一个Job类,并以某种方式存储JobDataMap来填充该Job类并在每个消息的基础上运行它?
org.quartz.Trigger
既有getJobDataMap()
(必要时会new
一个)和setJobDataMap()
来获取触发器的JobDataMap 。
最简单的用法是:
Trigger t = new SimpleTrigger(...);
t.getJobDataMap().put("foo", "bar");
要使用现有的值映射进行初始化:
Map data = new HashMap();
data.put("foo", "bar");
t.setJobDataMap(new JobDataMap(data));
在作业执行时获取数据
public void execute(JobExecutionContext context) throws JobExecutionException
{
String fooValue = context.getMergedJobDataMap().get("foo");
}
本教程中有关JobDataMap的文档 。
嗨cansando(你说西班牙语???)。 我将举例说明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;
}
}
在这一行中SimpleTrigger trigger2 = new SimpleTrigger(“lanzador principal”,“lanzadores”,“instruccion”,“instrucciones”,Calendar.getInstance()。getTime(),null,100,10000);
你能设定执行和重复的时间吗?
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