/*------------------------------------------------------------------------------ | |
* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team | |
* | |
* Distributable under the terms of either the Apache License (Version 2.0) or | |
* the GNU Lesser General Public License, as specified in the COPYING file. | |
------------------------------------------------------------------------------*/ | |
#ifndef _lucene_search_RangeFilter_ | |
#define _lucene_search_RangeFilter_ | |
#include "CLucene/document/DateField.h" | |
#include "CLucene/index/Term.h" | |
#include "CLucene/index/Terms.h" | |
#include "CLucene/index/IndexReader.h" | |
#include "CLucene/util/BitSet.h" | |
#include "CLucene/search/Filter.h" | |
CL_NS_DEF(search) | |
class RangeFilter: public Filter | |
{ | |
private: | |
const TCHAR* field; | |
TCHAR* lowerValue; | |
TCHAR* upperValue; | |
bool includeLower; | |
bool includeUpper; | |
protected: | |
RangeFilter( const RangeFilter& copy ); | |
public: | |
RangeFilter( const TCHAR* fieldName, const TCHAR* lowerValue, const TCHAR* upperValue, bool includeLower, bool includeUpper ); | |
static RangeFilter* Less( TCHAR* fieldName, TCHAR* upperTerm ); | |
static RangeFilter* More( TCHAR* fieldName, TCHAR* lowerTerm ); | |
~RangeFilter(); | |
/** Returns a BitSet with true for documents which should be permitted in | |
search results, and false for those that should not. */ | |
CL_NS(util)::BitSet* bits( CL_NS(index)::IndexReader* reader ); | |
Filter* clone() const; | |
TCHAR* toString(); | |
}; | |
CL_NS_END | |
#endif |