/* 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.qlin;
/**
* Internal implementation class, access should not be necessary,
* except for implementors.
* Use the static methods in {@link QLinSupport} {@link QLinSupport#ascending()}
* and {@link QLinSupport#descending()}
* @exclude
*/
public class QLinOrderByDirection {
private final String _direction;
private final boolean _ascending;
private QLinOrderByDirection(String direction, boolean ascending) {
_direction = direction;
_ascending = ascending;
}
final static QLinOrderByDirection ASCENDING = new QLinOrderByDirection("ascending", true);
final static QLinOrderByDirection DESCENDING = new QLinOrderByDirection("descending", false);
public boolean isAscending(){
return _ascending;
}
public boolean isDescending(){
return ! _ascending;
}
@Override
public String toString() {
return _direction;
}
}