package org.hibernate.test.perf;
import java.io.Serializable;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import junit.framework.Test;
import junit.textui.TestRunner;
import org.hibernate.cfg.Environment;
import org.hibernate.classic.Session;
import org.hibernate.connection.ConnectionProvider;
import org.hibernate.connection.ConnectionProviderFactory;
import org.hibernate.testing.junit.functional.FunctionalTestCase;
import org.hibernate.testing.junit.functional.FunctionalTestClassTestSuite;
import org.hibernate.test.legacy.Simple;
public class NewerPerformanceTest extends FunctionalTestCase {
public NewerPerformanceTest(String name) {
super( name );
}
public String[] getMappings() {
return new String[] { "legacy/Simple.hbm.xml" };
}
public static Test suite() {
return new FunctionalTestClassTestSuite( NewerPerformanceTest.class );
}
public static void main(String[] args) throws Exception {
TestRunner.run( suite() );
}
public void testMany() throws Exception {
ConnectionProvider cp = ConnectionProviderFactory.newConnectionProvider( Environment.getProperties() );
long hiber=0;
long jdbc=0;
for ( int n=0; n<20; n++ ) {
Session s = openSession();
s.delete("from Simple");
s.flush();
Simple[] simples = new Simple[n];
Serializable[] ids = new Serializable[n];
for ( int i=0; i<n; i++ ) {
simples[i] = new Simple();
simples[i].init();
simples[i].setCount(i);
ids[i] = new Long(i);
s.save(simples[i], ids[i]);
}
s.flush();
s.connection().commit();
s.close();
//allow cache to settle
s = openSession();
hibernate(s, simples, ids, n, "h0");
s.close();
Connection c = cp.getConnection();
directJDBC( c, simples, ids, n, "j0" );
cp.closeConnection(c);
s = openSession();
hibernate(s, simples, ids, n, "h0");
s.close();
c = cp.getConnection();
directJDBC( c, simples, ids, n, "j0" );
cp.closeConnection(c);
//Now do timings
int N=30;
long time = System.currentTimeMillis();
for (int i=0; i<N; i++) {
s = openSession();
hibernate(s, simples, ids, n, "h1");
s.close();
}
hiber += System.currentTimeMillis() - time;
time = System.currentTimeMillis();
for (int i=0; i<N; i++) {
c = cp.getConnection();
directJDBC( c, simples, ids, n, "j1" );
cp.closeConnection(c);
}
jdbc += System.currentTimeMillis() - time;
time = System.currentTimeMillis();
for (int i=0; i<N; i++) {
s = openSession();
hibernate(s, simples, ids, n, "h2");
s.close();
}
hiber += System.currentTimeMillis() - time;
time = System.currentTimeMillis();
for (int i=0; i<N; i++) {
c = cp.getConnection();
directJDBC( c, simples, ids, n, "j2" );
cp.closeConnection(c);
}
jdbc += System.currentTimeMillis() - time;
time = System.currentTimeMillis();
for (int i=0; i<N; i++) {
s = openSession();
hibernate(s, simples, ids, n, "h1");
s.close();
}
hiber += System.currentTimeMillis() - time;
time = System.currentTimeMillis();
for (int i=0; i<N; i++) {
c = cp.getConnection();
directJDBC( c, simples, ids, n, "j1" );
cp.closeConnection(c);
}
jdbc += System.currentTimeMillis() - time;
}
System.out.println( "Hibernate: " + hiber + "ms / Direct JDBC: " + jdbc + "ms = Ratio: " + ( (float) hiber )/jdbc );
cp.close();
System.gc();
}
public void testSimultaneous() throws Exception {
ConnectionProvider cp = ConnectionProviderFactory.newConnectionProvider( Environment.getProperties() );
for ( int n=2; n<4000; n*=2 ) {
Session s = openSession();
s.delete("from Simple");
s.flush();
Simple[] simples = new Simple[n];
Serializable[] ids = new Serializable[n];
for ( int i=0; i<n; i++ ) {
simples[i] = new Simple();
simples[i].init();
simples[i].setCount(i);
ids[i] = new Long(i);
s.save(simples[i], ids[i]);
}
s.flush();
s.connection().commit();
s.close();
//allow cache to settle
s = openSession();
hibernate(s, simples, ids, n, "h0");
s.close();
Connection c = cp.getConnection();
directJDBC( c, simples, ids, n, "j0" );
cp.closeConnection(c);
s = openSession();
hibernate(s, simples, ids, n, "h0");
s.close();
c = cp.getConnection();
directJDBC( c, simples, ids, n, "j0" );
cp.closeConnection(c);
//Now do timings
s = openSession();
long time = System.currentTimeMillis();
hibernate(s, simples, ids, n, "h1");
long hiber = System.currentTimeMillis() - time;
s.close();
c = cp.getConnection();
time = System.currentTimeMillis();
directJDBC( c, simples, ids, n, "j1" );
long jdbc = System.currentTimeMillis() - time;
cp.closeConnection(c);
s = openSession();
time = System.currentTimeMillis();
hibernate(s, simples, ids, n, "h2");
hiber += System.currentTimeMillis() - time;
s.close();
c = cp.getConnection();
time = System.currentTimeMillis();
directJDBC( c, simples, ids, n, "j2" );
jdbc += System.currentTimeMillis() - time;
cp.closeConnection(c);
s = openSession();
time = System.currentTimeMillis();
hibernate(s, simples, ids, n, "h2");
hiber += System.currentTimeMillis() - time;
s.close();
c = cp.getConnection();
time = System.currentTimeMillis();
directJDBC( c, simples, ids, n, "j2" );
jdbc += System.currentTimeMillis() - time;
cp.closeConnection(c);
System.out.println( "Objects: " + n + " - Hibernate: " + hiber + "ms / Direct JDBC: " + jdbc + "ms = Ratio: " + ( (float) hiber )/jdbc );
}
cp.close();
System.gc();
}
public void testHibernateOnly() throws Exception {
for ( int n=2; n<4000; n*=2 ) {
Session s = openSession();
Simple[] simples = new Simple[n];
s.delete("from Simple");
s.flush();
Serializable[] ids = new Serializable[n];
for ( int i=0; i<n; i++ ) {
simples[i] = new Simple();
simples[i].init();
simples[i].setCount(i);
ids[i] = new Long(i);
s.save(simples[i], ids[i]);
}
s.flush();
s.connection().commit();
s.close();
//Now do timings
s = openSession();
long time = System.currentTimeMillis();
hibernate(s, simples, ids, n, "h1");
long hiber = System.currentTimeMillis() - time;
s.close();
s = openSession();
time = System.currentTimeMillis();
hibernate(s, simples, ids, n, "h2");
hiber += System.currentTimeMillis() - time;
s.close();
s = openSession();
time = System.currentTimeMillis();
hibernate(s, simples, ids, n, "h2");
hiber += System.currentTimeMillis() - time;
s.close();
System.out.println( "Objects: " + n + " - Hibernate: " + hiber );
}
System.gc();
}
public void testJdbcOnly() throws Exception {
ConnectionProvider cp = ConnectionProviderFactory.newConnectionProvider( Environment.getProperties() );
for ( int n=2; n<4000; n*=2 ) {
Session s = openSession();
Simple[] simples = new Simple[n];
s.delete("from Simple");
s.flush();
Serializable[] ids = new Serializable[n];
for ( int i=0; i<n; i++ ) {
simples[i] = new Simple();
simples[i].init();
simples[i].setCount(i);
ids[i] = new Long(i);
s.save(simples[i], ids[i]);
}
s.flush();
s.connection().commit();
s.close();
//Now do timings
Connection c = cp.getConnection();
long time = System.currentTimeMillis();
directJDBC( c, simples, ids, n, "j1" );
long jdbc = System.currentTimeMillis() - time;
cp.closeConnection(c);
c = cp.getConnection();
time = System.currentTimeMillis();
directJDBC( c, simples, ids, n, "j2" );
jdbc += System.currentTimeMillis() - time;
cp.closeConnection(c);
c = cp.getConnection();
time = System.currentTimeMillis();
directJDBC( c, simples, ids, n, "j2" );
jdbc += System.currentTimeMillis() - time;
cp.closeConnection(c);
System.out.println( "Objects: " + n + " Direct JDBC: " + jdbc );
}
cp.close();
System.gc();
}
/*private void hibernate(Session s, Simple[] simples, Serializable[] ids, int N, String runname) throws Exception {
for ( int i=0; i<N; i++ ) {
s.get( Simple.class, ids[i] );
//s.find("from Simple s where s.id = ?", ids[i], Hibernate.LONG);
}
//s.flush();
s.connection().commit();
}
private void directJDBC(Connection c, Simple[] simples, Serializable[] ids, int N, String runname) throws SQLException {
for ( int i=0; i<N; i++ ) {
PreparedStatement select = c.prepareStatement("SELECT s.id_, s.name, s.address, s.count_, s.date_, s.pay, s.other FROM Simple s where s.id_=?");
select.setLong( 1, ( (Long) ids[i] ).longValue() );
ResultSet rs = select.executeQuery();
rs.next();
/*new Long( rs.getLong(1) );
rs.getString(2);
rs.getString(3);
rs.getInt(4);
rs.getDate(5);
rs.getFloat(6);
rs.getLong(7);*/
/*Simple s = new Simple();
new Long( rs.getLong("id_") ); rs.wasNull();
s.setName( rs.getString("name") ); rs.wasNull();
s.setAddress( rs.getString("address") ); rs.wasNull();
s.setCount( rs.getInt("count_") ); rs.wasNull();
s.setDate( rs.getTimestamp("date_") ); rs.wasNull();
s.setPay( new Float( rs.getFloat("pay") ) ); rs.wasNull();
rs.getLong("other"); rs.wasNull(); s.setOther(null);
rs.close();
select.close();
}
c.commit();
}*/
private void hibernate(Session s, Simple[] simples, Serializable[] ids, int N, String runname) throws Exception {
s.createQuery("from Simple s").list();
s.connection().commit();
}
private void directJDBC(Connection c, Simple[] simples, Serializable[] ids, int N, String runname) throws SQLException {
List result=new ArrayList();
PreparedStatement select = c.prepareStatement("SELECT s.id_ as id_, s.name as name, s.address as address, s.count_ as count_, s.date_ as date_, s.pay as pay, s.other as other FROM Simple s");
ResultSet rs = select.executeQuery();
while ( rs.next() ) {
/*new Long( rs.getLong(1) );
rs.getString(2);
rs.getString(3);
rs.getInt(4);
rs.getDate(5);
rs.getFloat(6);
rs.getLong(7);*/
Simple s = new Simple();
new Long( rs.getLong("id_") ); rs.wasNull();
s.setName( rs.getString("name") ); rs.wasNull();
s.setAddress( rs.getString("address") ); rs.wasNull();
s.setCount( rs.getInt("count_") ); rs.wasNull();
s.setDate( rs.getTimestamp("date_") ); rs.wasNull();
s.setPay( new Float( rs.getFloat("pay") ) ); rs.wasNull();
rs.getLong("other"); rs.wasNull(); s.setOther(null);
result.add(s);
}
rs.close();
select.close();
c.commit();
}
}