/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.openejb.timer;
import org.apache.openejb.jee.EnterpriseBean;
import org.apache.openejb.jee.SingletonBean;
import org.apache.openejb.junit.ApplicationComposer;
import org.apache.openejb.testing.Module;
import org.junit.Test;
import org.junit.runner.RunWith;
import javax.annotation.PreDestroy;
import javax.annotation.Resource;
import javax.ejb.EJB;
import javax.ejb.Lock;
import javax.ejb.LockType;
import javax.ejb.Schedule;
import javax.ejb.ScheduleExpression;
import javax.ejb.Singleton;
import javax.ejb.Startup;
import javax.ejb.Timeout;
import javax.ejb.Timer;
import javax.ejb.TimerConfig;
import javax.ejb.TimerService;
import java.util.Calendar;
import java.util.Collection;
import java.util.concurrent.Semaphore;
import static org.junit.Assert.assertEquals;
@RunWith(ApplicationComposer.class)
public class GetTimerTest {
@Module
public EnterpriseBean bean() {
return new SingletonBean(TimerLister.class).localBean();
}
@EJB
private TimerLister bean;
@Test
public void test() throws InterruptedException {
assertEquals(0, bean.timers().size());
bean.newTimer();
assertEquals(1, bean.timers().size());
bean.awaitTimeout();
assertEquals(1, bean.timers().size());
}
@Singleton
@Startup
@Lock(LockType.READ)
public static class TimerLister {
@Resource
private TimerService timerService;
private Timer timer = null;
private final Semaphore sema = new Semaphore(0);
@Timeout
public void timeout(final Timer timer) {
System.out.println("@Timeout");
sema.release();
}
public void awaitTimeout() {
try {
sema.acquire();
} catch (final InterruptedException e) {
// no-op
}
}
public Collection<Timer> timers() {
return timerService.getTimers();
}
@PreDestroy
public void stop() {
if (timer != null) {
timer.cancel();
}
}
@Schedule
public void justToCheckZeroTimersInListAtStartup() {
// no-op
}
public void newTimer() {
final TimerConfig tc = new TimerConfig("my-timer", true);
final ScheduleExpression se = new ScheduleExpression();
final Calendar calendar = Calendar.getInstance();
calendar.add(Calendar.SECOND, 2);
se.second(calendar.get(Calendar.SECOND) + "/3");
se.minute("*");
se.hour("*");
se.dayOfMonth("*");
se.dayOfWeek("*");
se.month("*");
timer = timerService.createCalendarTimer(se, tc);
}
}
}