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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
/* $Id$ */
#pragma once
/* Juniper internal interface */
class Matcher;
class MatchObject;
#include <vector>
#include "queryvisitor.h"
#include "expcache.h"
using queryterm_vector = std::vector<QueryTerm*>;
using querynode_vector = std::vector<QueryNode*>;
namespace juniper
{
/** Juniper internal definition of the query handle
* The query handle keeps a (default) match object for that query
* and possibly a set of additional match objects for expanded queries
* based on available expanders.
* Which matchobject to use for a result is then determined
* by the language ID.
*/
class QueryHandle
{
public:
QueryHandle(const IQuery& fquery, const char* options, QueryModifier & modifier);
~QueryHandle();
void SetSimpleQuery(Matcher* m);
inline void SetPrivileged(bool priv) { _privileged_port = priv; }
inline bool Privileged() { return _privileged_port; }
inline void SetLog(uint32_t mask) { _log_mask = mask; }
/** Find the currect match object to use for this language and query */
MatchObject* MatchObj(uint32_t langid);
/** Inform handle that there are expansions */
void SetExpansions();
/** Inform handle that there are reductions */
void SetReductions();
protected:
void parse_parameters(const char* options);
private:
MatchObject* _mo; // The default MatcherObject
bool _privileged_port;
QueryHandle(QueryHandle &);
QueryHandle &operator=(QueryHandle &);
public:
// optional per query parameter override settings
// (default (-1) means use configured value, other value forces override)
int _dynsum_len;
int _max_matches;
int _surround_max;
int _stem_extend;
int _stem_min;
int64_t _winsize;
double _winsize_fallback_multiplier;
int64_t _max_match_candidates;
std::string _querytext; // an optional query string to use to override the input query
ExpansionCache* _expansion_cache;
// parameter settings that are taken directly from
// this handle (eg. not overrides for config settings)
uint32_t _log_mask;
int _options; // query constraint bitmap as defined in querynode.h
int _limit; // WITHIN/NEAR limit by parameter
bool _has_expansions; // If set, the query must be replaced by a language dependent expansion (?)
bool _has_reductions;
};
void SetDebug(unsigned int mask);
} // end namespace juniper
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