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#ifndef _OrQuery_h_
#define _OrQuery_h_
//
// OrQuery.h
//
// OrQuery: an operator query that merges all the results of its operands
// i.e. does 'or' combination
//
// Part of the ht://Dig package <http://www.htdig.org/>
// Copyright (c) 1995-2004 The ht://Dig Group
// For copyright details, see the file COPYING in your distribution
// or the GNU Library General Public License (LGPL) version 2 or later
// <http://www.gnu.org/copyleft/lgpl.html>
//
// $Id: OrQuery.h,v 1.4 2004/05/28 13:15:24 lha Exp $
//
#ifdef HAVE_CONFIG_H
#include "htconfig.h"
#endif
#include "OperatorQuery.h"
class OrQuery : public OperatorQuery
{
public:
private:
// evaluate operands and join results
ResultList *Evaluate();
// create a union of the operand results
ResultList *Union(const ResultList &longer, const List &shorter);
String OperatorString() const { return String("or"); }
};
#endif
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