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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/fef/blueprint.h>
namespace search::features {
/**
* Implements the executor for term feature.
*/
class TermExecutor : public fef::FeatureExecutor {
public:
/**
* Constructs an executor for term feature.
*
* @param env The query environment.
* @param termId The id of the query term to evaluate.
*/
TermExecutor(const fef::IQueryEnvironment &env, uint32_t termId);
void execute(uint32_t docId) override;
private:
const fef::ITermData *_termData;
feature_t _connectedness;
feature_t _significance;
};
/**
* Implements the blueprint for term feature.
*/
class TermBlueprint : public fef::Blueprint {
public:
TermBlueprint();
void visitDumpFeatures(const fef::IIndexEnvironment &env, fef::IDumpFeatureVisitor &visitor) const override;
fef::Blueprint::UP createInstance() const override;
fef::ParameterDescriptions getDescriptions() const override {
return fef::ParameterDescriptions().desc().number();
}
bool setup(const fef::IIndexEnvironment & env, const fef::ParameterList & params) override;
fef::FeatureExecutor &createExecutor(const fef::IQueryEnvironment &env, vespalib::Stash &stash) const override;
private:
uint32_t _termId;
};
}
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