Filter.h

00001 //
00002 // Copyright(C) 2005--2006 Institute of Computing Tech, Chinese Academy of Sciences. 
00003 // All rights reserved.
00004 // This file is part of FirteX (www.firtex.org)
00005 //
00006 // Use of the FirteX is subject to the terms of the software license set forth in 
00007 // the LICENSE file included with this software, and also available at
00008 // http://www.firtex.org/license.html
00009 //
00010 // Author       : 郭瑞杰(GuoRuijie)
00011 // Email        : ruijieguo@software.ict.ac.cn,ruijieguo@gmail.com
00012 // Created      : 2006/7/12
00013 //
00014 #ifndef _FILTER_H
00015 #define _FILTER_H
00016 
00017 #if _MSC_VER > 1000
00018 #pragma once
00019 #endif // _MSC_VER > 1000
00020 
00021 #include "../utility/BitVector.h"
00022 #include "../index/IndexReader.h"
00023 
00024 using namespace firtex::utility;
00025 using namespace firtex::index;
00026 
00027 namespace firtex
00028 {
00029         namespace search
00030         {
00031                 class CFilter
00032                 {
00033                 public:
00034 
00035                         CFilter(void){}
00036                         virtual ~CFilter(void){}
00037                 public:
00038                         
00045                         virtual const CBitVector* bits(CIndexReader* pReader) = 0;
00046                 };
00047         }
00048 }
00049 
00050 #endif