/**
* 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.core.singleton;
import org.apache.openejb.OpenEJB;
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.AfterClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import javax.ejb.AsyncResult;
import javax.ejb.Asynchronous;
import javax.ejb.EJB;
import javax.ejb.SessionContext;
import javax.ejb.Singleton;
import javax.ejb.Startup;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;
import static org.testng.Assert.assertSame;
import static org.testng.Assert.assertTrue;
@RunWith(ApplicationComposer.class)
public class AsyncPostContructTest {
@AfterClass
public static void afterClass() throws Exception {
OpenEJB.destroy();
}
@EJB
private BuildMeAsync buildMeAsync;
@Module
public EnterpriseBean asyncConstructBean() {
final SingletonBean singletonBean = new SingletonBean(BuildMeAsync.class);
singletonBean.setInitOnStartup(true);
return singletonBean.localBean();
}
@Test
public void postConstructShouldEndsBeforeAsyncCall() {
final long constructed = buildMeAsync.getStartEnd();
final long async = buildMeAsync.getAsyncStart();
assertTrue(async >= constructed);
assertSame(buildMeAsync.getAsyncInstance(), buildMeAsync.getAsyncInstance());
}
@Startup
@Singleton
public static class BuildMeAsync {
@Resource
private SessionContext sc;
private Future<Boolean> future;
private final AtomicLong startEnd = new AtomicLong();
private final AtomicLong asyncStart = new AtomicLong();
private final AtomicReference<Object> startInstance = new AtomicReference<Object>();
private final AtomicReference<Object> asyncInstance = new AtomicReference<Object>();
@PostConstruct
public void start() {
startInstance.set(this);
future = sc.getBusinessObject(BuildMeAsync.class).async();
try {
Thread.sleep(100);
} catch (final InterruptedException e) {
// no-op
}
startEnd.set(System.nanoTime());
}
@Asynchronous
public Future<Boolean> async() {
asyncStart.set(System.nanoTime());
asyncInstance.set(this);
return new AsyncResult<Boolean>(true);
}
public void waitFuture() {
try {
future.get();
} catch (final Exception e) {
// no-op
}
}
public long getStartEnd() {
return startEnd.get();
}
public long getAsyncStart() {
return asyncStart.get();
}
public Object getStartInstance() {
return startInstance.get();
}
public Object getAsyncInstance() {
return asyncInstance.get();
}
}
}