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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "multi_term.h"
#include <vespa/vespalib/stllike/hash_map.h>
#include <optional>
namespace search::streaming {
/*
* A dot product query term for streaming search.
*/
class DotProductTerm : public MultiTerm {
protected:
using Scores = vespalib::hash_map<uint32_t,double>;
void build_scores(Scores& scores) const;
void unpack_scores(Scores& scores, std::optional<double> score_threshold, uint32_t docid, const fef::ITermData& td, fef::MatchData& match_data);
public:
DotProductTerm(std::unique_ptr<QueryNodeResultBase> result_base, const string& index, uint32_t num_terms);
~DotProductTerm() override;
void unpack_match_data(uint32_t docid, const fef::ITermData& td, fef::MatchData& match_data, const fef::IIndexEnvironment& index_env) override;
};
}
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