/*
* 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;
import org.exoplatform.services.jcr.datamodel.InternalQName;
import org.exoplatform.services.jcr.datamodel.PropertyData;
import org.exoplatform.services.jcr.impl.Constants;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import java.util.Comparator;
/**
* @author <a href="mailto:Sergey.Kabashnyuk@gmail.com">Sergey Kabashnyuk</a>
* @version
*/
public class PropertyDataOrderComparator implements Comparator<PropertyData>
{
/**
* Logger.
*/
protected static final Log LOG = ExoLogger.getLogger("exo.jcr.component.core.PropertyDataOrderComparator");
public int compare(PropertyData p1, PropertyData p2)
{
int r = 0;
InternalQName qname1 = p1.getQPath().getName();
InternalQName qname2 = p2.getQPath().getName();
if (qname1.equals(Constants.JCR_PRIMARYTYPE))
{
r = Integer.MIN_VALUE;
}
else if (qname2.equals(Constants.JCR_PRIMARYTYPE))
{
r = Integer.MAX_VALUE;
}
else if (qname1.equals(Constants.JCR_MIXINTYPES))
{
r = Integer.MIN_VALUE + 1;
}
else if (qname2.equals(Constants.JCR_MIXINTYPES))
{
r = Integer.MAX_VALUE - 1;
}
else if (qname1.equals(Constants.JCR_UUID))
{
r = Integer.MIN_VALUE + 2;
}
else if (qname2.equals(Constants.JCR_UUID))
{
r = Integer.MAX_VALUE - 2;
}
else
{
r = qname1.getAsString().compareTo(qname2.getAsString());
}
return r;
}
}