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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 <vespa/searchlib/common/serialnum.h>
#include <vespa/vespalib/stllike/string.h>
#include <memory>
#include <optional>
namespace search { class AttributeVector; }
namespace search::attribute { class Config; }
namespace proton {
/**
* Interface for a factory for creating and setting up attribute vectors used by
* an attribute manager.
*/
struct IAttributeFactory
{
using SP = std::shared_ptr<IAttributeFactory>;
using AttributeVectorSP = std::shared_ptr<search::AttributeVector>;
virtual ~IAttributeFactory() {}
virtual AttributeVectorSP create(const vespalib::string &name,
const search::attribute::Config &cfg) const = 0;
virtual void setupEmpty(const AttributeVectorSP &vec,
std::optional<search::SerialNum> serialNum) const = 0;
};
} // namespace proton
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