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17 package org.jboss.as.quickstarts.cluster.hasingleton.service.ejb;
18
19 import javax.annotation.Resource;
20 import javax.ejb.ScheduleExpression;
21 import javax.ejb.Singleton;
22 import javax.ejb.Timeout;
23 import javax.ejb.Timer;
24 import javax.ejb.TimerConfig;
25 import javax.ejb.TimerService;
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27 import org.jboss.logging.Logger;
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35 @Singleton
36 public class SchedulerBean implements Scheduler {
37 private static Logger LOGGER = Logger.getLogger(SchedulerBean.class);
38 @Resource
39 private TimerService timerService;
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41 @Timeout
42 public void scheduler(Timer timer) {
43 LOGGER.info("HASingletonTimer: Info=" + timer.getInfo());
44 }
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46 @Override
47 public void initialize(String info) {
48 ScheduleExpression sexpr = new ScheduleExpression();
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50 sexpr.hour("*").minute("*").second("0/10");
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52 timerService.createCalendarTimer(sexpr, new TimerConfig(info, false));
53 }
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55 @Override
56 public void stop() {
57 LOGGER.info("Stop all existing HASingleton timers");
58 for (Timer timer : timerService.getTimers()) {
59 LOGGER.trace("Stop HASingleton timer: " + timer.getInfo());
60 timer.cancel();
61 }
62 }
63 }