/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.impl.dataflow.serialization;
import org.exoplatform.services.jcr.impl.dataflow.AbstractPersistedValueData;
import org.exoplatform.services.jcr.impl.dataflow.TransientValueData;
import org.exoplatform.services.jcr.impl.dataflow.persistent.FilePersistedValueData;
import org.exoplatform.services.jcr.impl.dataflow.persistent.StreamPersistedValueData;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
/**
* Created by The eXo Platform SAS. <br/>Date:
*
* @author <a href="karpenko.sergiy@gmail.com">Karpenko Sergiy</a>
* @version $Id: JCRSerializationVSJavaSerializationTest.java 111 2008-11-11
* 11:11:11Z serg $
*/
public class JCRSerializationVSJavaSerializationTestLoad extends JcrImplSerializationBaseTest
{
private final static int nodes = 1000;
private final static int iterations = 50;
public void testSerialization() throws Exception
{
List<AbstractPersistedValueData> list = new ArrayList<AbstractPersistedValueData>();
// Random random = new Random();
ByteArrayInputStream bin;
for (int i = 0; i < nodes; i++)
{
bin = new ByteArrayInputStream(createBLOBTempData(20));
list.add(new StreamPersistedValueData(0, bin));
}
Iterator<AbstractPersistedValueData> it;
// Serialize with JCR
long jcrwrite = 0;
long jcrread = 0;
for (int j = 0; j < iterations; j++)
{
it = list.iterator();
File jcrfile = File.createTempFile("jcr", "test");
ObjectWriterImpl jcrout = new ObjectWriterImpl(new FileOutputStream(jcrfile));
long t1 = System.currentTimeMillis();
PersistedValueDataWriter wr = new PersistedValueDataWriter();
while (it.hasNext())
{
wr.write(jcrout, it.next());
}
t1 = System.currentTimeMillis() - t1;
jcrwrite += t1;
jcrout.close();
// deserialize
ObjectReaderImpl jcrin = new ObjectReaderImpl(new FileInputStream(jcrfile));
long t3 = System.currentTimeMillis();
PersistedValueDataReader rdr = new PersistedValueDataReader(fileCleaner, maxBufferSize, holder);
for (int i = 0; i < nodes; i++)
{
AbstractPersistedValueData obj = rdr.read(jcrin);
}
t3 = System.currentTimeMillis() - t3;
jcrread += t3;
jcrin.close();
jcrfile.delete();
}
// java
long javaWrite = 0;
long javaRead = 0;
for (int j = 0; j < iterations; j++)
{
File jfile = File.createTempFile("java", "test");
ObjectOutputStream jout = new ObjectOutputStream(new FileOutputStream(jfile));
it = list.iterator();
long t2 = System.currentTimeMillis();
while (it.hasNext())
{
jout.writeObject(it.next());
}
t2 = System.currentTimeMillis() - t2;
javaWrite += t2;
jout.close();
// deserialize
ObjectInputStream jin = new ObjectInputStream(new FileInputStream(jfile));
it = list.iterator();
long t4 = System.currentTimeMillis();
for (int i = 0; i < nodes; i++)
{
TransientValueData obj = (TransientValueData)jin.readObject();
}
t4 = System.currentTimeMillis() - t4;
javaRead += t4;
jin.close();
jfile.delete();
}
System.out.println(" JCR s- " + (jcrwrite / iterations));
System.out.println(" Java s- " + (javaWrite / iterations));
// System.out.println(" JCR file size - " + jcrfile.length());
// System.out.println(" Java file size - " + jfile.length());
System.out.println(" JCR des- " + (jcrread / iterations));
System.out.println(" Java des- " + (javaRead / iterations));
}
protected byte[] createBLOBTempData(int size) throws IOException
{
byte[] data = new byte[size * 1024]; // 1Kb
Random random = new Random();
random.nextBytes(data);
return data;
}
}