/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.test.stats;
import java.util.HashSet;
import org.junit.Test;
import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.stat.SessionStatistics;
import org.hibernate.stat.Statistics;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertEquals;
/**
* @author Emmanuel Bernard
*/
public class SessionStatsTest extends BaseCoreFunctionalTestCase {
@Override
public String[] getMappings() {
return new String[] { "stats/Continent2.hbm.xml" };
}
@Test
public void testSessionStatistics() throws Exception {
Session s = openSession();
Transaction tx = s.beginTransaction();
Statistics stats = sessionFactory().getStatistics();
stats.clear();
boolean isStats = stats.isStatisticsEnabled();
stats.setStatisticsEnabled(true);
Continent europe = fillDb(s);
tx.commit();
s.clear();
tx = s.beginTransaction();
SessionStatistics sessionStats = s.getStatistics();
assertEquals( 0, sessionStats.getEntityKeys().size() );
assertEquals( 0, sessionStats.getEntityCount() );
assertEquals( 0, sessionStats.getCollectionKeys().size() );
assertEquals( 0, sessionStats.getCollectionCount() );
europe = (Continent) s.get( Continent.class, europe.getId() );
Hibernate.initialize( europe.getCountries() );
Hibernate.initialize( europe.getCountries().iterator().next() );
assertEquals( 2, sessionStats.getEntityKeys().size() );
assertEquals( 2, sessionStats.getEntityCount() );
assertEquals( 1, sessionStats.getCollectionKeys().size() );
assertEquals( 1, sessionStats.getCollectionCount() );
tx.commit();
s.close();
stats.setStatisticsEnabled( isStats);
}
private Continent fillDb(Session s) {
Continent europe = new Continent();
europe.setName("Europe");
Country france = new Country();
france.setName("France");
europe.setCountries( new HashSet() );
europe.getCountries().add(france);
s.persist(france);
s.persist(europe);
return europe;
}
}