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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"
namespace search::streaming {
/**
N-ary phrase operator. All terms must be satisfied and have the correct order
with distance to next term equal to 1.
*/
class PhraseQueryNode : public MultiTerm
{
public:
PhraseQueryNode(std::unique_ptr<QueryNodeResultBase> result_base, const string& index, uint32_t num_terms);
~PhraseQueryNode() override;
bool evaluate() const override;
const HitList & evaluateHits(HitList & hl) const override;
void unpack_match_data(uint32_t docid, const fef::ITermData& td, fef::MatchData& match_data, const fef::IIndexEnvironment& index_env) override;
size_t width() const override;
};
}
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