1e0e9324cSopenharmony_ci/*
2e0e9324cSopenharmony_ci * Copyright (c) 2023 Shenzhen Kaihong Digital Industry Development Co., Ltd.
3e0e9324cSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
4e0e9324cSopenharmony_ci * you may not use this file except in compliance with the License.
5e0e9324cSopenharmony_ci * You may obtain a copy of the License at
6e0e9324cSopenharmony_ci *
7e0e9324cSopenharmony_ci *     http://www.apache.org/licenses/LICENSE-2.0
8e0e9324cSopenharmony_ci *
9e0e9324cSopenharmony_ci * Unless required by applicable law or agreed to in writing, software
10e0e9324cSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
11e0e9324cSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12e0e9324cSopenharmony_ci * See the License for the specific language governing permissions and
13e0e9324cSopenharmony_ci * limitations under the License.
14e0e9324cSopenharmony_ci */
15e0e9324cSopenharmony_ci
16e0e9324cSopenharmony_ci#ifndef OHOS_SHARING_IDENTIFIER_H
17e0e9324cSopenharmony_ci#define OHOS_SHARING_IDENTIFIER_H
18e0e9324cSopenharmony_ci
19e0e9324cSopenharmony_ci#include <atomic>
20e0e9324cSopenharmony_ci#include <singleton.h>
21e0e9324cSopenharmony_ci#include <string>
22e0e9324cSopenharmony_cinamespace OHOS {
23e0e9324cSopenharmony_cinamespace Sharing {
24e0e9324cSopenharmony_ci
25e0e9324cSopenharmony_ciclass Identifier : public Singleton<Identifier> {
26e0e9324cSopenharmony_ci    friend class Singleton<Identifier>;
27e0e9324cSopenharmony_ci
28e0e9324cSopenharmony_cipublic:
29e0e9324cSopenharmony_ci    Identifier() {}
30e0e9324cSopenharmony_ci    ~Identifier() {}
31e0e9324cSopenharmony_ci
32e0e9324cSopenharmony_ci    uint32_t MakeIdentifier()
33e0e9324cSopenharmony_ci    {
34e0e9324cSopenharmony_ci        return ++key_;
35e0e9324cSopenharmony_ci    }
36e0e9324cSopenharmony_ci
37e0e9324cSopenharmony_ciprivate:
38e0e9324cSopenharmony_ci    std::atomic<uint32_t> key_ = 0;
39e0e9324cSopenharmony_ci};
40e0e9324cSopenharmony_ci
41e0e9324cSopenharmony_ciclass IdentifierInfo {
42e0e9324cSopenharmony_cipublic:
43e0e9324cSopenharmony_ci    IdentifierInfo()
44e0e9324cSopenharmony_ci    {
45e0e9324cSopenharmony_ci        id_ = Identifier::GetInstance().MakeIdentifier();
46e0e9324cSopenharmony_ci    }
47e0e9324cSopenharmony_ci
48e0e9324cSopenharmony_ci    std::string GetIdentifier()
49e0e9324cSopenharmony_ci    {
50e0e9324cSopenharmony_ci        return std::to_string(id_);
51e0e9324cSopenharmony_ci    }
52e0e9324cSopenharmony_ci
53e0e9324cSopenharmony_ci    uint32_t GetId()
54e0e9324cSopenharmony_ci    {
55e0e9324cSopenharmony_ci        return id_;
56e0e9324cSopenharmony_ci    }
57e0e9324cSopenharmony_ci
58e0e9324cSopenharmony_ciprivate:
59e0e9324cSopenharmony_ci    uint32_t id_ = -1;
60e0e9324cSopenharmony_ci};
61e0e9324cSopenharmony_ci
62e0e9324cSopenharmony_ci} // namespace Sharing
63e0e9324cSopenharmony_ci} // namespace OHOS
64e0e9324cSopenharmony_ci#endif
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