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/*------------------------------------------------------------------------------
* 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
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