1 /* 2 * Copyright (c) 2022 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 OHOS_DISTRIBUTED_DATA_SERVICES_FRAMEWORK_METADATA_MATRIX_META_DATA_H 16 #define OHOS_DISTRIBUTED_DATA_SERVICES_FRAMEWORK_METADATA_MATRIX_META_DATA_H 17 #include <string> 18 #include "serializable/serializable.h" 19 namespace OHOS::DistributedData { 20 class API_EXPORT MatrixMetaData final : public Serializable { 21 public: 22 static constexpr uint32_t DEFAULT_VERSION = 0; 23 static constexpr uint32_t DEFAULT_MASK = 0xFFFF; 24 uint32_t version = DEFAULT_VERSION; 25 uint32_t mask = DEFAULT_MASK; 26 std::string deviceId; 27 std::vector<std::string> maskInfo; 28 bool Marshal(json &node) const override; 29 bool Unmarshal(const json &node) override; 30 std::string GetKey() const; 31 API_EXPORT static std::string GetPrefix(const std::initializer_list<std::string> &fields); 32 33 private: 34 static constexpr const char *KEY_PREFIX = "MatrixMeta"; 35 }; 36 } // namespace OHOS::DistributedData 37 #endif // OHOS_DISTRIBUTED_DATA_SERVICES_FRAMEWORK_METADATA_MATRIX_META_DATA_H 38