/* 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;
import com.db4o.foundation.*;
import com.db4o.marshall.*;
/**
* Interface for comparison support in queries.
*/
public interface Comparable4<T> {
/**
* creates a prepared comparison to compare multiple objects
* against one single object.
* @param context the context of the comparison
* @param obj the object that is to be compared
* against multiple other objects
* @return the prepared comparison
*/
PreparedComparison prepareComparison(Context context, T obj);
}