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 16 #ifndef META_SRC_PROPERTY_DEPENDENCIES_H 17 #define META_SRC_PROPERTY_DEPENDENCIES_H 18 19 #include "property.h" 20 META_BEGIN_NAMESPACE()21META_BEGIN_NAMESPACE() 22 namespace Internal { 23 24 // changing this will disable the check in property GetValue 25 constexpr bool ENABLE_DEPENDENCY_CHECK = true; 26 27 class Dependencies { 28 public: 29 bool IsActive() const; 30 31 void Start(); 32 void End(); 33 34 ReturnError AddDependency(const IProperty::ConstPtr& prop); 35 ReturnError GetImmediateDependencies(BASE_NS::vector<IProperty::ConstPtr>& deps) const; 36 bool HasDependency(const IProperty*) const; 37 38 private: 39 bool active_ {}; 40 uint32_t depth_ {}; 41 42 ReturnError state_ { GenericError::SUCCESS }; 43 44 struct Dependancy { 45 IProperty::ConstPtr property; 46 uint64_t depth {}; 47 }; 48 BASE_NS::vector<Dependancy> deps_; 49 BASE_NS::vector<Dependancy> deps_branch_; 50 }; 51 52 Dependencies& GetDeps(); 53 54 } // namespace Internal 55 META_END_NAMESPACE() 56 57 #endif