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     enum Origin : int32_t {
23         LOCAL,
24         REMOTE_RECEIVED,
25         REMOTE_CONSISTENT,
26     };
27 
28     static constexpr uint32_t DEFAULT_VERSION = 0;
29     static constexpr uint32_t DEFAULT_LEVEL = 0x0;
30     uint32_t version = DEFAULT_VERSION;
31     uint16_t dynamic = DEFAULT_LEVEL;
32     uint16_t statics = DEFAULT_LEVEL;
33     int32_t origin = Origin::LOCAL;
34     std::string deviceId;
35     std::vector<std::string> dynamicInfo;
36     std::vector<std::string> staticsInfo;
37 
38     bool Marshal(json &node) const override;
39     bool Unmarshal(const json &node) override;
40     std::string GetKey() const;
41     std::string GetConsistentKey() const;
42     API_EXPORT bool operator==(const MatrixMetaData &meta) const;
43     API_EXPORT bool operator!=(const MatrixMetaData &meta) const;
44     API_EXPORT static std::string GetPrefix(const std::initializer_list<std::string> &fields);
45 
46 private:
47     static constexpr const char *KEY_PREFIX = "MatrixMeta";
48     static constexpr const char *RMOTE_CONSISTENT = "Consistent";
49 };
50 } // namespace OHOS::DistributedData
51 #endif // OHOS_DISTRIBUTED_DATA_SERVICES_FRAMEWORK_METADATA_MATRIX_META_DATA_H