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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>
#include <vespa/searchlib/query/weight.h>
#include <algorithm>
namespace search::features {
class NativeDotProductExecutor : public fef::FeatureExecutor
{
private:
using Pair = std::pair<fef::TermFieldHandle,query::Weight>;
std::vector<Pair> _pairs;
const fef::MatchData *_md;
void handle_bind_match_data(const fef::MatchData &md) override;
public:
NativeDotProductExecutor(const fef::IQueryEnvironment &env);
NativeDotProductExecutor(const fef::IQueryEnvironment &env, uint32_t fieldId);
void execute(uint32_t docId) override;
};
//-----------------------------------------------------------------------------
class NativeDotProductBlueprint : public fef::Blueprint
{
private:
const fef::FieldInfo *_field;
public:
NativeDotProductBlueprint() : Blueprint("nativeDotProduct"), _field(nullptr) {}
~NativeDotProductBlueprint() override;
void visitDumpFeatures(const fef::IIndexEnvironment &, fef::IDumpFeatureVisitor &) const override {}
fef::Blueprint::UP createInstance() const override {
return Blueprint::UP(new NativeDotProductBlueprint());
}
fef::ParameterDescriptions getDescriptions() const override {
return fef::ParameterDescriptions().desc().field().desc();
}
bool setup(const fef::IIndexEnvironment &env, const fef::ParameterList ¶ms) override;
fef::FeatureExecutor &createExecutor(const fef::IQueryEnvironment &env, vespalib::Stash &stash) const override;
};
}
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