/* 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.foundation; /** * a prepared comparison, to compare multiple objects * with one single object. */ public interface PreparedComparison<T> { /** * return a negative int, zero or a positive int if * the object being held in 'this' is smaller, equal * or greater than the passed object.<br><br> * * Typical implementation: return this.object - obj; */ public int compareTo(T obj); }