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// Copyright Yahoo. 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::fef { class TermFieldMatchData; }
namespace search::queryeval {
class SameElementSearch;
class SameElementBlueprint : public ComplexLeafBlueprint
{
private:
HitEstimate _estimate;
fef::MatchDataLayout _layout;
std::vector<Blueprint::UP> _terms;
vespalib::string _field_name;
public:
SameElementBlueprint(const FieldSpec &field, bool expensive);
SameElementBlueprint(const SameElementBlueprint &) = delete;
SameElementBlueprint &operator=(const SameElementBlueprint &) = delete;
~SameElementBlueprint() override;
// no match data
bool isWhiteList() const override { return true; }
// used by create visitor
FieldSpec getNextChildField(const vespalib::string &field_name, uint32_t field_id);
// used by create visitor
void addTerm(Blueprint::UP term);
void optimize_self() override;
void fetchPostings(const ExecuteInfo &execInfo) override;
std::unique_ptr<SameElementSearch> create_same_element_search(search::fef::TermFieldMatchData& tfmd, bool strict) const;
SearchIteratorUP createLeafSearch(const search::fef::TermFieldMatchDataArray &tfmda,
bool strict) const override;
SearchIteratorUP createFilterSearch(bool strict, FilterConstraint constraint) const override;
void visitMembers(vespalib::ObjectVisitor &visitor) const override;
const std::vector<Blueprint::UP> &terms() const { return _terms; }
const vespalib::string &field_name() const { return _field_name; }
};
}
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