/**
* 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.threads;
import org.apache.openejb.resource.thread.ManagedScheduledExecutorServiceImplFactory;
import org.apache.openejb.loader.SystemInstance;
import org.apache.openejb.ri.sp.PseudoSecurityService;
import org.apache.openejb.spi.SecurityService;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import javax.enterprise.concurrent.LastExecution;
import javax.enterprise.concurrent.ManagedScheduledExecutorService;
import javax.enterprise.concurrent.Trigger;
import java.util.Date;
import java.util.concurrent.Callable;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Future;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class ManagedScheduledExecutorServiceTest {
@BeforeClass
public static void forceSecurityService() {
SystemInstance.get().setComponent(SecurityService.class, new PseudoSecurityService());
}
@AfterClass
public static void reset() {
SystemInstance.reset();
}
@Test
public void triggerCallableSchedule() throws Exception {
final ManagedScheduledExecutorService es = new ManagedScheduledExecutorServiceImplFactory().create();
final CountDownLatch counter = new CountDownLatch(5);
final FutureAwareCallable callable = new FutureAwareCallable(counter);
final Future<Long> future = es.schedule((Callable<Long>) callable,
new Trigger() {
@Override
public Date getNextRunTime(final LastExecution lastExecutionInfo, final Date taskScheduledTime) {
if (lastExecutionInfo == null) {
return new Date();
}
return new Date(System.currentTimeMillis() + 100
/*lastExecutionInfo.getRunEnd().getTime() + 100 // can already be passed */);
}
@Override
public boolean skipRun(final LastExecution lastExecutionInfo, final Date scheduledRunTime) {
return false;
}
}
);
assertFalse(future.isDone());
assertFalse(future.isCancelled());
counter.await(1, TimeUnit.SECONDS);
assertEquals("Future was not called", 0L, future.get().longValue());
future.cancel(true);
assertEquals("Counter did not count down in time", 0L, counter.getCount());
assertTrue(future.isDone());
assertTrue(future.isCancelled());
}
@Test
public void triggerRunnableSchedule() throws Exception {
final ManagedScheduledExecutorService es = new ManagedScheduledExecutorServiceImplFactory().create();
final CountDownLatch counter = new CountDownLatch(5);
final FutureAwareCallable callable = new FutureAwareCallable(counter);
final ScheduledFuture<?> future = es.schedule(Runnable.class.cast(callable),
new Trigger() {
@Override
public Date getNextRunTime(final LastExecution lastExecutionInfo, final Date taskScheduledTime) {
if (lastExecutionInfo == null) {
return new Date();
}
return new Date(lastExecutionInfo.getRunEnd().getTime() + 200);
}
@Override
public boolean skipRun(final LastExecution lastExecutionInfo, final Date scheduledRunTime) {
return false;
}
}
);
assertFalse(future.isDone());
assertFalse(future.isCancelled());
//Should easily get 5 invocations within 1 second
counter.await(2, TimeUnit.SECONDS);
future.cancel(true);
assertEquals("Counter did not count down in time", 0L, counter.getCount());
final boolean done = future.isDone();
assertTrue(done);
final boolean cancelled = future.isCancelled();
assertTrue(cancelled);
}
@Test
public void simpleSchedule() throws Exception {
final ManagedScheduledExecutorService es = new ManagedScheduledExecutorServiceImplFactory().create();
final long start = System.currentTimeMillis();
final ScheduledFuture<Long> future = es.schedule(new Callable<Long>() {
@Override
public Long call() throws Exception {
Thread.sleep(4000);
return System.currentTimeMillis();
}
}, 2, TimeUnit.SECONDS);
assertEquals(6, TimeUnit.MILLISECONDS.toSeconds(future.get() - start), 1);
}
protected static class FutureAwareCallable implements Callable<Long>, Runnable {
private final CountDownLatch counter;
public FutureAwareCallable(final CountDownLatch counter) {
this.counter = counter;
}
@Override
public Long call() throws Exception {
this.run();
return counter.getCount();
}
@Override
public void run() {
counter.countDown();
}
}
}