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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 "blueprint.h"
#include <vespa/searchlib/fef/matchdatalayout.h>
namespace search::queryeval {
class EquivBlueprint : public ComplexLeafBlueprint
{
private:
HitEstimate _estimate;
fef::MatchDataLayout _layout;
std::vector<Blueprint::UP> _terms;
std::vector<double> _exactness;
public:
EquivBlueprint(FieldSpecBaseList fields, fef::MatchDataLayout subtree_mdl);
~EquivBlueprint() override;
// used by create visitor
EquivBlueprint& addTerm(Blueprint::UP term, double exactness);
void sort(InFlow in_flow, const Options &opts) override;
FlowStats calculate_flow_stats(uint32_t docid_limit) const override;
SearchIteratorUP createLeafSearch(const fef::TermFieldMatchDataArray &tfmda) const override;
SearchIteratorUP createFilterSearch(FilterConstraint constraint) const override;
void visitMembers(vespalib::ObjectVisitor &visitor) const override;
void fetchPostings(const ExecuteInfo &execInfo) override;
bool isEquiv() const noexcept final { return true; }
};
}
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