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 OHOS_DISTRIBUTED_DATA_INTERFACE_GDB_GRAPH_VERTEX_H 17 #define OHOS_DISTRIBUTED_DATA_INTERFACE_GDB_GRAPH_VERTEX_H 18 #include <cstdint> 19 #include <functional> 20 #include <memory> 21 #include <string> 22 #include <variant> 23 #include <vector> 24 25 #include "nlohmann/json.hpp" 26 #include "rdb_visibility.h" 27 28 namespace OHOS::DistributedDataAip { 29 using PropType = std::variant<int64_t, double, std::string, bool, std::nullptr_t>; 30 class Vertex { 31 public: 32 API_EXPORT Vertex(); 33 API_EXPORT Vertex(std::string id, std::string label); 34 API_EXPORT Vertex(std::string id, std::string label, const std::unordered_map<std::string, PropType> &properties); 35 static std::shared_ptr<Vertex> Parse(const nlohmann::json &json, int32_t &errCode); 36 37 API_EXPORT std::string GetId() const; 38 API_EXPORT void SetId(std::string id); 39 40 API_EXPORT const std::string &GetLabel() const; 41 API_EXPORT const std::vector<std::string> &GetLabels() const; 42 API_EXPORT void SetLabel(const std::string &label); 43 44 API_EXPORT const std::unordered_map<std::string, PropType> &GetProperties() const; 45 API_EXPORT void SetProperty(const std::string &key, PropType value); 46 47 static constexpr const char *ID = "identity"; 48 static constexpr const char *LABEL = "label"; 49 static constexpr const char *PROPERTIES = "properties"; 50 51 protected: 52 std::string id_; 53 std::string label_; 54 std::vector<std::string> labels_; 55 std::unordered_map<std::string, PropType> properties_; 56 }; 57 } // namespace OHOS::DistributedDataAip 58 #endif //OHOS_DISTRIBUTED_DATA_INTERFACE_GDB_GRAPH_VERTEX_H 59