SortFieldCacheImpl.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      : 2006/7/14
00013 //
00014 #ifndef _SORTFIELDCACHEIMPL_H
00015 #define _SORTFIELDCACHEIMPL_H
00016 
00017 #if _MSC_VER > 1000
00018 #pragma once
00019 #endif // _MSC_VER > 1000
00020 
00021 #include "SortFieldCache.h"
00022 #include <map>
00023 using namespace std;
00024 
00025 namespace firtex
00026 {
00027         namespace search
00028         {
00029                 class CSortFieldCacheImpl :     public CSortFieldCache
00030                 {
00031                 public:
00032                         CSortFieldCacheImpl(void);
00033                         virtual ~CSortFieldCacheImpl(void);
00034                 public:
00035                         CSortFieldCompArray*    getCompArray(CIndexReader* pReader, const tchar* field);
00036                 protected:
00037                         CSortFieldCompArray*    getI1(CIndexReader* pReader, CFieldInfo* pFieldInfo);
00038                         CSortFieldCompArray*    getUI1(CIndexReader* pReader, CFieldInfo* pFieldInfo);
00039                         CSortFieldCompArray*    getI2(CIndexReader* pReader, CFieldInfo* pFieldInfo);
00040                         CSortFieldCompArray*    getUI2(CIndexReader* pReader, CFieldInfo* pFieldInfo);
00041                         CSortFieldCompArray*    getI4(CIndexReader* pReader, CFieldInfo* pFieldInfo);
00042                         CSortFieldCompArray*    getUI4(CIndexReader* pReader, CFieldInfo* pFieldInfo);
00043                         CSortFieldCompArray*    getI8(CIndexReader* pReader, CFieldInfo* pFieldInfo);
00044                         CSortFieldCompArray*    getUI8(CIndexReader* pReader, CFieldInfo* pFieldInfo);
00045                         CSortFieldCompArray*    getR4(CIndexReader* pReader, CFieldInfo* pFieldInfo);
00046                         CSortFieldCompArray*    getR8(CIndexReader* pReader, CFieldInfo* pFieldInfo);
00047 
00048                         CSortFieldCompArray*    getCachedArray(const tstring& field);
00049                         void                                    storeInCache(const tstring& field,CSortFieldCompArray* pArray);
00050                 private:
00051                         map<tstring,CSortFieldCompArray*>       m_cacheArray;
00052                 };
00054                 //inline functions
00055                 inline CSortFieldCompArray* CSortFieldCacheImpl::getCachedArray(const tstring& field)
00056                 {
00057                         map<tstring,CSortFieldCompArray*>::iterator iter = m_cacheArray.find(field);
00058                         if(iter != m_cacheArray.end())
00059                         {
00060                                 return iter->second;
00061                         }
00062                         return NULL;
00063                 }
00064                 inline void CSortFieldCacheImpl::storeInCache(const tstring& field,CSortFieldCompArray* pArray)
00065                 {
00066                         m_cacheArray.insert(make_pair(field,pArray));
00067                 }
00068 
00069         }
00070 }
00071 
00072 #endif