1 /* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef META_SRC_PROPERTY_DEPENDENCIES_H 16 #define META_SRC_PROPERTY_DEPENDENCIES_H 17 18 #include "property.h" 19 META_BEGIN_NAMESPACE()20META_BEGIN_NAMESPACE() 21 namespace Internal { 22 23 // changing this will disable the check in property GetValue 24 constexpr bool ENABLE_DEPENDENCY_CHECK = true; 25 26 class Dependencies { 27 public: 28 bool IsActive() const; 29 30 void Start(); 31 void End(); 32 33 ReturnError AddDependency(const IProperty::ConstPtr& prop); 34 ReturnError GetImmediateDependencies(BASE_NS::vector<IProperty::ConstPtr>& deps) const; 35 bool HasDependency(const IProperty*) const; 36 37 private: 38 bool active_ {}; 39 uint32_t depth_ {}; 40 41 ReturnError state_ { GenericError::SUCCESS }; 42 43 struct Dependancy { 44 IProperty::ConstPtr property; 45 uint64_t depth {}; 46 }; 47 BASE_NS::vector<Dependancy> deps_; 48 BASE_NS::vector<Dependancy> deps_branch_; 49 }; 50 51 Dependencies& GetDeps(); 52 53 } // namespace Internal 54 META_END_NAMESPACE() 55 56 #endif