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81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
#include "CatBoostLibraryHandlerFactory.h"
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#include <Common/logger_useful.h>
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namespace DB
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{
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CatBoostLibraryHandlerFactory & CatBoostLibraryHandlerFactory::instance()
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{
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static CatBoostLibraryHandlerFactory instance;
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return instance;
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}
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CatBoostLibraryHandlerFactory::CatBoostLibraryHandlerFactory()
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: log(getLogger("CatBoostLibraryHandlerFactory"))
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{
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}
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CatBoostLibraryHandlerPtr CatBoostLibraryHandlerFactory::tryGetModel(const String & model_path, const String & library_path, bool create_if_not_found)
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{
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std::lock_guard lock(mutex);
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auto handler = library_handlers.find(model_path);
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bool found = (handler != library_handlers.end());
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if (found)
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return handler->second;
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else
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{
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if (create_if_not_found)
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{
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auto new_handler = std::make_shared<CatBoostLibraryHandler>(library_path, model_path);
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library_handlers.emplace(model_path, new_handler);
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LOG_DEBUG(log, "Loaded catboost library handler for model path '{}'", model_path);
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return new_handler;
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}
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return nullptr;
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}
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}
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void CatBoostLibraryHandlerFactory::removeModel(const String & model_path)
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{
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std::lock_guard lock(mutex);
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bool deleted = library_handlers.erase(model_path);
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if (!deleted)
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{
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LOG_DEBUG(log, "Cannot unload catboost library handler for model path '{}'", model_path);
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return;
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}
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LOG_DEBUG(log, "Unloaded catboost library handler for model path '{}'", model_path);
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}
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void CatBoostLibraryHandlerFactory::removeAllModels()
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{
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std::lock_guard lock(mutex);
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library_handlers.clear();
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LOG_DEBUG(log, "Unloaded all catboost library handlers");
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}
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ExternalModelInfos CatBoostLibraryHandlerFactory::getModelInfos()
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{
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std::lock_guard lock(mutex);
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ExternalModelInfos result;
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for (const auto & handler : library_handlers)
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result.push_back({
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.model_path = handler.first,
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.model_type = "catboost",
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.loading_start_time = handler.second->getLoadingStartTime(),
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.loading_duration = handler.second->getLoadingDuration()
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});
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return result;
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}
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}
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