/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.envers.test.performance;
import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.envers.test.entities.StrTestEntity;
import org.junit.Ignore;
import javax.persistence.EntityManager;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
/**
* @author Adam Warski (adam at warski dot org)
*/
@Ignore
public class UpdatesPerformance extends AbstractPerformanceTest {
public void configure(Ejb3Configuration cfg) {
cfg.addAnnotatedClass(StrTestEntity.class);
}
private final static int NUMBER_UPDATES = 5000;
private final static int NUMBER_ENTITIES = 10;
private Random random = new Random();
private List<Integer> ids = new ArrayList<Integer>();
private void setup() {
EntityManager entityManager = getEntityManager();
entityManager.getTransaction().begin();
for (int i=0; i<NUMBER_ENTITIES; i++) {
StrTestEntity testEntity = new StrTestEntity("x" + i);
entityManager.persist(testEntity);
ids.add(testEntity.getId());
}
entityManager.getTransaction().commit();
}
protected void doTest() {
setup();
for (int i=0; i<NUMBER_UPDATES; i++) {
newEntityManager();
EntityManager entityManager = getEntityManager();
entityManager.getTransaction().begin();
Integer id = ids.get(random.nextInt(NUMBER_ENTITIES));
start();
StrTestEntity testEntity = entityManager.find(StrTestEntity.class, id);
testEntity.setStr("z" + i);
entityManager.getTransaction().commit();
stop();
}
}
public static void main(String[] args) throws IOException {
UpdatesPerformance updatesPerformance = new UpdatesPerformance();
updatesPerformance.test(3);
}
}