/* This file is part of the db4o object database http://www.db4o.com
Copyright (C) 2004 - 2011 Versant Corporation http://www.versant.com
db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.
db4o 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 General Public License
for more details.
You should have received a copy of the GNU General Public License along
with this program. If not, see http://www.gnu.org/licenses/. */
package com.db4o.ext;
import com.db4o.internal.*;
/**
*
* intended for future virtual fields on classes. Currently only
* the constant for the virtual version field is found here.
*
* @exclude
*/
public class VirtualField {
/**
* the field name of the virtual version field, to be used
* for querying.
*/
public static final String VERSION = Const4.VIRTUAL_FIELD_PREFIX + "version";
public static final String COMMIT_TIMESTAMP = Const4.VIRTUAL_FIELD_PREFIX + "commitTimestamp";
}