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_INTERFACE_IDERIVED_H 17 #define META_INTERFACE_IDERIVED_H 18 19 #include <meta/interface/intf_object.h> 20 21 META_BEGIN_NAMESPACE() 22 23 META_REGISTER_INTERFACE(IDerived, "d471a8d7-16fe-4b3e-9ff9-fa8787271e3f"); 24 /** 25 * @brief Defines that the object type is derived from another object type. 26 * This is part of the ObjectRegistry object construction machinery. 27 */ 28 class IDerived : public CORE_NS::IInterface { 29 META_INTERFACE(CORE_NS::IInterface, IDerived) 30 public: 31 /** 32 * @brief Called by the framework. (part of the aggregate part creation). Implementer receives the actual object 33 * "aggr" and the requested superclass implementation "impl". 34 */ 35 virtual void SetSuperInstance(const IObject::Ptr& aggr, const IObject::Ptr& impl) = 0; 36 37 /** 38 * @brief Called by the framework. (part of the aggregate part creation), if implementer does not need a super class 39 * return "empty". 40 */ 41 virtual BASE_NS::Uid GetSuperClassUid() const = 0; 42 }; 43 44 META_END_NAMESPACE() 45 46 #endif 47