1f8af9c48Sopenharmony_ci/*
2f8af9c48Sopenharmony_ci * Copyright (c) 2021 Huawei Device Co., Ltd.
3f8af9c48Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
4f8af9c48Sopenharmony_ci * you may not use this file except in compliance with the License.
5f8af9c48Sopenharmony_ci * You may obtain a copy of the License at
6f8af9c48Sopenharmony_ci *
7f8af9c48Sopenharmony_ci *     http://www.apache.org/licenses/LICENSE-2.0
8f8af9c48Sopenharmony_ci *
9f8af9c48Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software
10f8af9c48Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
11f8af9c48Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12f8af9c48Sopenharmony_ci * See the License for the specific language governing permissions and
13f8af9c48Sopenharmony_ci * limitations under the License.
14f8af9c48Sopenharmony_ci */
15f8af9c48Sopenharmony_ci
16f8af9c48Sopenharmony_ci#ifndef OHOS_DEVICE_PROFILE_SINGLE_INSTANCE_H
17f8af9c48Sopenharmony_ci#define OHOS_DEVICE_PROFILE_SINGLE_INSTANCE_H
18f8af9c48Sopenharmony_ci
19f8af9c48Sopenharmony_cinamespace OHOS {
20f8af9c48Sopenharmony_cinamespace DeviceProfile {
21f8af9c48Sopenharmony_ci#define DECLARE_SINGLE_INSTANCE_BASE(className)       \
22f8af9c48Sopenharmony_cipublic:                                               \
23f8af9c48Sopenharmony_ci    static className& GetInstance();                  \
24f8af9c48Sopenharmony_ciprivate:                                              \
25f8af9c48Sopenharmony_ci    className(const className&) = delete;             \
26f8af9c48Sopenharmony_ci    className& operator= (const className&) = delete; \
27f8af9c48Sopenharmony_ci    className(className&&) = delete;                  \
28f8af9c48Sopenharmony_ci    className& operator= (className&&) = delete;      \
29f8af9c48Sopenharmony_ci
30f8af9c48Sopenharmony_ci#define DECLARE_SINGLE_INSTANCE(className)  \
31f8af9c48Sopenharmony_ci    DECLARE_SINGLE_INSTANCE_BASE(className) \
32f8af9c48Sopenharmony_ciprivate:                                    \
33f8af9c48Sopenharmony_ci    className() = default;                  \
34f8af9c48Sopenharmony_ci    ~className() = default;                 \
35f8af9c48Sopenharmony_ci
36f8af9c48Sopenharmony_ci#define IMPLEMENT_SINGLE_INSTANCE(className) \
37f8af9c48Sopenharmony_ciclassName& className::GetInstance()          \
38f8af9c48Sopenharmony_ci{                                            \
39f8af9c48Sopenharmony_ci    static auto instance = new className();  \
40f8af9c48Sopenharmony_ci    return *instance;                        \
41f8af9c48Sopenharmony_ci}
42f8af9c48Sopenharmony_ci} // namespace DeviceProfile
43f8af9c48Sopenharmony_ci} // namespace OHOS
44f8af9c48Sopenharmony_ci#endif // OHOS_DEVICE_PROFILE_SINGLE_INSTANCE_H