forked from mindspore-Ecosystem/mindspore
98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
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/**
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* Copyright 2019 Huawei Technologies Co., Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef PREDICT_COMMON_MODULE_REGISTRY_H_
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#define PREDICT_COMMON_MODULE_REGISTRY_H_
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include "common/mslog.h"
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#define MSPREDICT_API __attribute__((visibility("default")))
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namespace mindspore {
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namespace predict {
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class ModuleBase {
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public:
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virtual ~ModuleBase() = default;
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};
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template <typename T>
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class Module;
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class ModuleRegistry {
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public:
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ModuleRegistry() = default;
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virtual ~ModuleRegistry() = default;
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template <class T>
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bool Register(const std::string &name, const T &t) {
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modules[name] = &t;
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return true;
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}
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template <class T>
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std::shared_ptr<T> Create(const std::string &name) {
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auto it = modules.find(name);
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if (it == modules.end()) {
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return nullptr;
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}
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auto *module = (Module<T> *)it->second;
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if (module == nullptr) {
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return nullptr;
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} else {
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return module->Create();
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}
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}
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template <class T>
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T *GetInstance(const std::string &name) {
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auto it = modules.find(name);
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if (it == modules.end()) {
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return nullptr;
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}
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auto *module = (Module<T> *)it->second;
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if (module == nullptr) {
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return nullptr;
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} else {
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return module->GetInstance();
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}
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}
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protected:
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std::unordered_map<std::string, const ModuleBase *> modules;
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};
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ModuleRegistry *GetRegistryInstance() MSPREDICT_API;
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template <class T>
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class ModuleRegistrar {
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public:
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ModuleRegistrar(const std::string &name, const T &module) {
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auto registryInstance = GetRegistryInstance();
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if (registryInstance == nullptr) {
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MS_LOGW("registryInstance is nullptr.");
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} else {
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registryInstance->Register(name, module);
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}
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}
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};
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} // namespace predict
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} // namespace mindspore
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#endif // PREDICT_COMMON_MODULE_REGISTRY_H_
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