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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "attributeguard.h"
#include <vespa/searchlib/queryeval/blueprint.h>
#include <vespa/searchlib/queryeval/searchiterator.h>
#include <vector>
namespace search {
namespace attribute { class ISearchContext; }
class AttributeWeightedSetBlueprint : public queryeval::ComplexLeafBlueprint
{
private:
using ISearchContext = attribute::ISearchContext;
using IAttributeVector = attribute::IAttributeVector;
size_t _numDocs;
size_t _estHits;
std::vector<int32_t> _weights;
const IAttributeVector & _attr;
std::vector<ISearchContext*> _contexts;
AttributeWeightedSetBlueprint(const AttributeWeightedSetBlueprint &); // disabled
AttributeWeightedSetBlueprint &operator=(const AttributeWeightedSetBlueprint &); // disabled
public:
AttributeWeightedSetBlueprint(const queryeval::FieldSpec &field, const IAttributeVector & attr);
~AttributeWeightedSetBlueprint();
void addToken(std::unique_ptr<ISearchContext> context, int32_t weight);
queryeval::SearchIterator::UP createLeafSearch(const fef::TermFieldMatchDataArray &tfmda, bool strict) const override;
void fetchPostings(bool strict, const BitVector * filter) override;
};
} // namespace search
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