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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/iindexenvironment.h>
#include <vespa/searchlib/fef/itablemanager.h>
#include <vespa/searchlib/fef/properties.h>
#include <vespa/searchlib/fef/fieldinfo.h>
#include <vespa/searchlib/fef/fieldtype.h>
#include <vespa/eval/eval/value_cache/constant_value.h>
#include <vespa/vespalib/stllike/string.h>
#include <vespa/vespalib/stllike/hash_map.h>
#include <set>
namespace search::fef { struct IRankingAssetsRepo; }
namespace streaming {
/**
* Implementation of the feature execution framework
* index environment API for the search visitor.
**/
class IndexEnvironment : public search::fef::IIndexEnvironment
{
private:
using StringInt32Map = vespalib::hash_map<vespalib::string, uint32_t>;
const search::fef::ITableManager * _tableManager;
search::fef::Properties _properties;
std::vector<search::fef::FieldInfo> _fields;
StringInt32Map _fieldNames;
mutable FeatureMotivation _motivation;
std::shared_ptr<const search::fef::IRankingAssetsRepo> _ranking_assets_repo;
public:
IndexEnvironment(const search::fef::ITableManager & tableManager);
IndexEnvironment(IndexEnvironment &&) noexcept;
IndexEnvironment(const IndexEnvironment &);
~IndexEnvironment() override;
const search::fef::Properties & getProperties() const override { return _properties; }
uint32_t getNumFields() const override { return _fields.size(); }
const search::fef::FieldInfo * getField(uint32_t id) const override {
if (id >= _fields.size()) {
return nullptr;
}
return &_fields[id];
}
const search::fef::FieldInfo * getFieldByName(const string & name) const override {
auto itr = _fieldNames.find(name);
if (itr == _fieldNames.end()) {
return nullptr;
}
return getField(itr->second);
}
const search::fef::ITableManager & getTableManager() const override {
return *_tableManager;
}
FeatureMotivation getFeatureMotivation() const override {
return _motivation;
}
void hintFeatureMotivation(FeatureMotivation motivation) const override {
_motivation = motivation;
}
vespalib::eval::ConstantValue::UP getConstantValue(const vespalib::string& name) const override;
vespalib::string getRankingExpression(const vespalib::string& name) const override;
const search::fef::OnnxModel *getOnnxModel(const vespalib::string& name) const override;
bool addField(const vespalib::string& name,
bool isAttribute,
search::fef::FieldInfo::DataType data_type);
search::fef::Properties & getProperties() { return _properties; }
void set_ranking_assets_repo(std::shared_ptr<const search::fef::IRankingAssetsRepo> ranking_assets_repo);
//TODO Wire in proper distribution key
uint32_t getDistributionKey() const override { return 0; }
};
} // namespace streaming
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