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abbuu
58 lines
1.7 KiB
C++
58 lines
1.7 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_DELEGATOR_H
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#define OHOS_SINGLETON_DELEGATOR_H
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#include "singleton_container.h"
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#define MOCKABLE virtual
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namespace OHOS {
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namespace Rosen {
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template<class T>
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class SingletonDelegator {
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public:
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SingletonDelegator()
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{
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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()->AddSingleton(nameT, T::GetInstance());
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}
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~SingletonDelegator() = default;
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template<class S>
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sptr<S> Dep()
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{
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std::string nameS = __PRETTY_FUNCTION__;
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nameS = nameS.substr(nameS.find("S = "));
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nameS = nameS.substr(sizeof("S ="), nameS.length() - sizeof("S = "));
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auto ret = SingletonContainer::Get<S>();
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if (ret != nullptr) {
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SingletonContainer::GetInstance()->DependOn(nameT, nameS);
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}
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return ret;
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}
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private:
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std::string nameT;
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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_DELEGATOR_H
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