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_SERVICES_FRAMEWORK_METADATA_SWITCHES_META_DATA_H 17 #define OHOS_DISTRIBUTED_DATA_SERVICES_FRAMEWORK_METADATA_SWITCHES_META_DATA_H 18 19 #include <string> 20 #include "serializable/serializable.h" 21 22 namespace OHOS::DistributedData { 23 class API_EXPORT SwitchesMetaData final : public Serializable { 24 public: 25 static constexpr uint32_t DEFAULT_VERSION = 0; 26 static constexpr uint32_t INVALID_VALUE = 0xFFFFFFFF; 27 static constexpr uint16_t INVALID_LENGTH = 0; 28 uint32_t version = DEFAULT_VERSION; 29 uint32_t value = INVALID_VALUE; 30 uint16_t length = INVALID_LENGTH; 31 std::string deviceId; 32 33 bool Marshal(json &node) const override; 34 bool Unmarshal(const json &node) override; 35 std::string GetKey() const; 36 API_EXPORT bool operator==(const SwitchesMetaData &meta) const; 37 API_EXPORT bool operator!=(const SwitchesMetaData &meta) const; 38 API_EXPORT static std::string GetPrefix(const std::initializer_list<std::string> &fields); 39 40 private: 41 static constexpr const char *KEY_PREFIX = "SwitchesMeta"; 42 }; 43 } // namespace OHOS::DistributedData 44 45 #endif // OHOS_DISTRIBUTED_DATA_SERVICES_FRAMEWORK_METADATA_SWITCHES_META_DATA_H 46