queryAnalyzerContextInterface.hpp

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/*
 * Copyright (c) 2014 Patrick P. Frey
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
#ifndef _STRUS_ANALYZER_QUERY_ANALYZER_CONTEXT_INTERFACE_HPP_INCLUDED
#define _STRUS_ANALYZER_QUERY_ANALYZER_CONTEXT_INTERFACE_HPP_INCLUDED
#include "strus/analyzer/queryTermExpression.hpp"
#include <vector>
#include <string>

namespace strus
{

class QueryAnalyzerContextInterface
{
public:
        virtual ~QueryAnalyzerContextInterface(){}

        virtual void putField( int fieldno, const std::string& fieldtype, const std::string& content)=0;

        enum GroupBy
        {
                GroupByPosition,        
                GroupEvery,             
                GroupAll,               
                GroupUnique             
        };

        virtual void groupElements( int groupid, const std::vector<int>& fieldnoList, const GroupBy& groupBy, bool groupSingle)=0;

        virtual analyzer::QueryTermExpression analyze()=0;
};

}//namespace
#endif