001 /* 002 * hammurapi-rules @mesopotamia.version@ 003 * Hammurapi rules engine. 004 * Copyright (C) 2005 Hammurapi Group 005 * 006 * This program is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 2 of the License, or (at your option) any later version. 010 * 011 * This program is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with this library; if not, write to the Free Software 018 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 019 * 020 * URL: http://http://www.hammurapi.biz 021 * e-Mail: support@hammurapi.biz 022 */ 023 package biz.hammurapi.rules; 024 025 import java.util.List; 026 027 /** 028 * Implementations of this interface preprocess object collections before returning them from 029 * RuleSession.getObjects(). Unlike ObjectFilter this method works on entire collection of facts 030 * and conclusions. 031 * @author Pavel Vlasov 032 * @revision $Revision$ 033 */ 034 public interface KnowledgeCompactor { 035 036 /** 037 * Removes unnecessary items from the collection. 038 * @param source 039 * @return 040 */ 041 List compact(List source); 042 043 }