TermSequenceVector.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
00012 // Created      : 2006/7/3
00013 //
00014 #ifndef _TERMSEQUENCEVECTOR_H
00015 #define _TERMSEQUENCEVECTOR_H
00016 
00017 #if _MSC_VER > 1000
00018 #pragma once
00019 #endif // _MSC_VER > 1000
00020 
00021 #include "../utility/StdHeader.h"
00022 #include "../utility/FXString.h"
00023 #include "../store/IndexOutput.h"
00024 #include "../store/IndexInput.h"
00025 #include "../document/Field.h"
00026 
00027 using namespace firtex::store;
00028 using namespace firtex::document;
00029 
00030 namespace firtex
00031 {
00032         namespace index
00033         {
00034                 class CTermSequenceVector
00035                 {
00036                 public:
00037 
00038                         CTermSequenceVector()
00039                         {
00040                         }
00041                         CTermSequenceVector(const tchar* field) : m_field(field)
00042                         {
00043                         }                       
00044                         virtual ~CTermSequenceVector(void)
00045                         {
00046                         }
00047                 public:
00048 
00054                         virtual void    open(const tchar* field,CIndexInput* pInput) = 0;
00058                         virtual const tchar*    getField(){return m_field.c_str();}
00059 
00063                         virtual count_t                 numTerms() = 0;
00064 
00070                         virtual const termid_t* getTermIDs() = 0;
00071                 protected:
00077                         virtual void    addField(CIndexOutput*  pOutput,CField* pField) = 0;
00078                 protected:
00079                         CFXString               m_field;
00080 
00081                         friend class CTermVectorWriter;
00082                 };
00083         }
00084 }
00085 #endif