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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 "logarithmcalculator.h"
#include <vespa/searchlib/fef/blueprint.h>
namespace search::features {
/**
* Implements the executor for the freshness feature.
*/
class FreshnessExecutor : public fef::FeatureExecutor {
private:
feature_t _maxAge;
LogarithmCalculator _logCalc;
public:
FreshnessExecutor(feature_t maxAge, feature_t scaleAge);
void execute(uint32_t docId) override;
};
/**
* Implements the blueprint for the freshness executor.
*/
class FreshnessBlueprint : public fef::Blueprint {
private:
feature_t _maxAge;
feature_t _halfResponse;
feature_t _scaleAge;
public:
FreshnessBlueprint();
void visitDumpFeatures(const fef::IIndexEnvironment & env, fef::IDumpFeatureVisitor & visitor) const override;
fef::Blueprint::UP createInstance() const override;
fef::ParameterDescriptions getDescriptions() const override;
bool setup(const fef::IIndexEnvironment & env, const fef::ParameterList & params) override;
fef::FeatureExecutor &createExecutor(const fef::IQueryEnvironment &env, vespalib::Stash &stash) const override;
};
}
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