Implementing the Business Tier with Session Beans - Java EE 5 Development with NetBeans 6 - page 277

package com.ensode.ejbtimer.ejb;
import java.io.Serializable;
import java.util.Collection;
import java.util.Date;
import javax.annotation.Resource;
import javax.ejb.Stateless;
import javax.ejb.Timeout;
import javax.ejb.Timer;
import javax.ejb.TimerService;
@Stateless
public class EJBTimerDemoBean implements EJBTimerDemoRemote {
@Resource
TimerService timerService;
public void startTimer(Serializable info) {
System.out.println("Starting timer " + info);
timerService.createTimer(0, 5000, info);
}
public void stopTimer(Serializable info) {
System.out.println("Stopping timer " + info);
Collection<Timer> timers = timerService.getTimers();
for (Timer timer : timers) {
if (timer.getInfo().equals(info)) {
timer.cancel();
break;
}
}
}
@Timeout
public void executeOnTimeout(Timer timer) {
System.out.println(this.getClass().getName() +
".executeOnTimeout() invoked at" +
new Date() +
"by timer " + timer.getInfo());
}
}