/**
* 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.server.ejbd;
import org.apache.openejb.OpenEJB;
import org.apache.openejb.jee.EjbJar;
import org.apache.openejb.jee.StatelessBean;
import org.apache.openejb.config.ConfigurationFactory;
import org.apache.openejb.loader.SystemInstance;
import org.apache.openejb.assembler.classic.Assembler;
import org.apache.openejb.server.ServiceDaemon;
import org.apache.openejb.server.ServicePool;
import org.apache.openejb.core.ServerFederation;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.ejb.Remote;
import java.util.Properties;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import junit.framework.Assert;
import junit.framework.TestCase;
/**
* @version $Rev$ $Date$
*/
public class MultithreadTest extends TestCase {
public void test() throws Exception {
EjbServer ejbServer = new EjbServer();
KeepAliveServer keepAliveServer = new KeepAliveServer(ejbServer);
Properties initProps = new Properties();
initProps.setProperty("openejb.deployments.classpath.include", "");
initProps.setProperty("openejb.deployments.classpath.filter.descriptors", "true");
OpenEJB.init(initProps, new ServerFederation());
ejbServer.init(new Properties());
ServicePool pool = new ServicePool(keepAliveServer, "ejbd", 10);
ServiceDaemon serviceDaemon = new ServiceDaemon(pool, 0, "localhost");
serviceDaemon.start();
try {
int port = serviceDaemon.getPort();
Assembler assembler = SystemInstance.get().getComponent(Assembler.class);
ConfigurationFactory config = new ConfigurationFactory();
EjbJar ejbJar = new EjbJar();
ejbJar.addEnterpriseBean(new StatelessBean(EchoBean.class));
assembler.createApplication(config.configureApplication(ejbJar));
// good creds
int threads = 20;
CountDownLatch latch = new CountDownLatch(threads);
for (int i = 0; i < threads; i++) {
Client client = new Client(latch, i, port);
thread(client, false);
}
assertTrue(latch.await(60, TimeUnit.SECONDS));
} finally {
serviceDaemon.stop();
OpenEJB.destroy();
}
}
public static void thread(Runnable runnable, boolean daemon) {
Thread thread = new Thread(runnable);
thread.setDaemon(daemon);
thread.start();
}
public static class Client implements Runnable {
private final Echo echo;
private final CountDownLatch latch;
private final int id;
public Client(CountDownLatch latch, int i, int port) throws NamingException {
this.latch = latch;
this.id = i;
Properties props = new Properties();
props.put("java.naming.factory.initial", "org.apache.openejb.client.RemoteInitialContextFactory");
props.put("java.naming.provider.url", "ejbd://127.0.0.1:" + port +"?"+id);
Context context = new InitialContext(props);
this.echo = (Echo) context.lookup("EchoBeanRemote");
}
public void run() {
try {
int count = 250;
for (; count >= 0; count--){
String message = count + " bottles of beer on the wall";
// Thread.currentThread().setName("client-"+id+": "+count);
String response = echo.echo(message);
Assert.assertEquals(message, reverse(response));
}
} finally {
latch.countDown();
}
}
private Object reverse(String s) {
return new StringBuilder(s).reverse().toString();
}
}
public static class EchoBean implements Echo {
public String echo(String s) {
// System.out.println(s);
return new StringBuilder(s).reverse().toString();
}
}
@Remote
public static interface Echo {
public String echo(String s);
}
}