ClickHouse/src/Interpreters/ExternalModelsLoader.h
2021-10-02 10:13:14 +03:00

41 lines
1.0 KiB
C++

#pragma once
#include <Interpreters/CatBoostModel.h>
#include <Interpreters/Context_fwd.h>
#include <Interpreters/ExternalLoader.h>
#include <base/logger_useful.h>
#include <memory>
namespace DB
{
/// Manages user-defined models.
class ExternalModelsLoader : public ExternalLoader, WithContext
{
public:
using ModelPtr = std::shared_ptr<const IModel>;
/// Models will be loaded immediately and then will be updated in separate thread, each 'reload_period' seconds.
explicit ExternalModelsLoader(ContextPtr context_);
ModelPtr getModel(const std::string & model_name) const
{
return std::static_pointer_cast<const IModel>(load(model_name));
}
void reloadModel(const std::string & model_name) const
{
loadOrReload(model_name);
}
protected:
LoadablePtr create(const std::string & name, const Poco::Util::AbstractConfiguration & config,
const std::string & config_prefix, const std::string & repository_name) const override;
friend class StorageSystemModels;
};
}