1 /*
2 * Copyright (c) 2023 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_ABILITY_RUNTIME_DATAOBS_MGR_CHANGENOTIFICATION_H
16 #define OHOS_ABILITY_RUNTIME_DATAOBS_MGR_CHANGENOTIFICATION_H
17 
18 #include <list>
19 #include <map>
20 #include "uri.h"
21 #include "message_parcel.h"
22 
23 namespace OHOS {
24 namespace AAFwk {
25 struct ChangeInfo {
26     enum ChangeType : uint32_t {
27         INSERT = 0,
28         DELETE,
29         UPDATE,
30         OTHER,
31         INVAILD,
32     };
33     using Value = std::variant<std::monostate, int64_t, double, std::string, bool, std::vector<uint8_t>>;
34     using VBucket = std::map<std::string, Value>;
35     using VBuckets = std::vector<VBucket>;
36 
37     static bool Marshalling(const ChangeInfo &input, MessageParcel &parcel);
38     static bool Unmarshalling(ChangeInfo &output, MessageParcel &parcel);
39 
40     ChangeType changeType_ = INVAILD;
41     mutable std::list<Uri> uris_ = {};
42     void *data_ = nullptr;
43     uint32_t size_ = 0;
44     VBuckets valueBuckets_ = {};
45     static constexpr int LIST_MAX_COUNT = 3000;
46 };
47 } // namespace AAFwk
48 } // namespace OHOS
49 #endif //OHOS_ABILITY_RUNTIME_DATAOBS_MGR_CHANGENOTIFICATION_H
50