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abbuu
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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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 OHOS_SINGLETON_CONTAINER_H
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#define OHOS_SINGLETON_CONTAINER_H
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#include <any>
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#include <cstdint>
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#include <map>
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#include <set>
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#include <string>
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#include <refbase.h>
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namespace OHOS {
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namespace Rosen {
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class SingletonContainer : public RefBase {
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public:
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static sptr<SingletonContainer> GetInstance();
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void AddSingleton(const std::string &name, const std::any &instance);
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void SetSingleton(const std::string &name, const std::any &instance);
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const std::any &GetSingleton(const std::string &name);
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const std::any &DependOn(const std::string &instance, const std::string &name);
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template<class T>
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static sptr<T> Get()
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{
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std::string nameT = __PRETTY_FUNCTION__;
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nameT = nameT.substr(nameT.find("T = "));
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nameT = nameT.substr(sizeof("T ="), nameT.length() - sizeof("T = "));
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using sptrT = sptr<T>;
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sptrT ret = nullptr;
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const std::any &instance = SingletonContainer::GetInstance()->GetSingleton(nameT);
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auto pRet = std::any_cast<sptrT>(&instance);
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if (pRet != nullptr) {
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ret = *pRet;
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}
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return ret;
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}
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template<class T>
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static void Set(const sptr<T> &ptr)
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{
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std::string nameT = __PRETTY_FUNCTION__;
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nameT = nameT.substr(nameT.find("T = "));
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nameT = nameT.substr(sizeof("T ="), nameT.length() - sizeof("T = "));
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SingletonContainer::GetInstance()->SetSingleton(nameT, ptr);
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}
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private:
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SingletonContainer() = default;
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virtual ~SingletonContainer() override;
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static inline sptr<SingletonContainer> instance = nullptr;
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struct Singleton {
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std::any value;
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int32_t refCount;
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};
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std::map<std::string, int32_t> stringMap;
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std::map<int32_t, SingletonContainer::Singleton> singletonMap;
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std::map<int32_t, std::set<int32_t>> dependencySetMap;
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};
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} // namespace Rosen
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} // namespace OHOS
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#endif // FRAMEWORKS_WM_INCLUDE_SINGLETON_CONTAINER_H
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