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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 "attributesaver.h"
#include <vespa/vespalib/stllike/allocator.h>
#include <memory>
namespace search::predicate { class ISaver; }
namespace search {
/**
* Class for saving a predicate attribute.
*/
class PredicateAttributeSaver : public AttributeSaver
{
public:
using GenerationHandler = vespalib::GenerationHandler;
using MinFeatureVector = std::vector<uint8_t, vespalib::allocator_large<uint8_t>>;
using IntervalRangeVector = std::vector<uint16_t, vespalib::allocator_large<uint16_t>>;
private:
uint32_t _version;
std::unique_ptr<predicate::ISaver> _index_saver;
MinFeatureVector _min_feature;
IntervalRangeVector _interval_range_vector;
uint16_t _max_interval_range;
public:
PredicateAttributeSaver(GenerationHandler::Guard&& guard,
const attribute::AttributeHeader& header,
uint32_t version,
std::unique_ptr<predicate::ISaver> index_saver,
MinFeatureVector min_feature,
IntervalRangeVector interval_range_vector,
uint16_t max_interval_range);
~PredicateAttributeSaver() override;
bool onSave(IAttributeSaveTarget& save_target) override;
};
}
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