/* 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.internal.freespace;
import com.db4o.foundation.*;
import com.db4o.internal.slots.*;
import com.db4o.marshall.*;
/**
* @exclude
*/
public class LengthKeySlotHandler extends SlotHandler{
public int compareTo(Object obj) {
return _current.compareByLength((Slot)obj);
}
public PreparedComparison prepareComparison(Context context, Object slot) {
final Slot sourceSlot = (Slot)slot;
return new PreparedComparison() {
public int compareTo(Object obj) {
final Slot targetSlot = (Slot)obj;
// FIXME: The comparison method in #compareByLength is the wrong way around.
// Fix there and here after other references are fixed.
return - sourceSlot.compareByLength(targetSlot);
}
};
}
}