mirror of
https://github.com/openharmony/device_manager.git
synced 2026-07-18 16:24:27 -04:00
pengguanqi
555eec86c2
Signed-off-by: pengguanqi <pengguanqi@huawei.com> Change-Id: I5b96b2965cd881c0e86bdb42c831815ea2c48baf
46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2021 Huawei Device Co., Ltd.
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef OHOS_DEVICE_MANAGER_SINGLE_INSTANCE_H
|
|
#define OHOS_DEVICE_MANAGER_SINGLE_INSTANCE_H
|
|
|
|
namespace OHOS {
|
|
namespace DistributedHardware {
|
|
#define DECLARE_SINGLE_INSTANCE_BASE(className) \
|
|
public: \
|
|
static className & GetInstance(); \
|
|
private: \
|
|
className(const className&) = delete; \
|
|
className& operator= (const className&) = delete; \
|
|
className(className&&) = delete; \
|
|
className& operator= (className&&) = delete; \
|
|
|
|
|
|
#define DECLARE_SINGLE_INSTANCE(className) \
|
|
DECLARE_SINGLE_INSTANCE_BASE(className) \
|
|
private: \
|
|
className() = default; \
|
|
~className() = default; \
|
|
|
|
#define IMPLEMENT_SINGLE_INSTANCE(className) \
|
|
className & className::GetInstance() \
|
|
{ \
|
|
static auto instance = new className(); \
|
|
return *instance; \
|
|
}
|
|
}; // namespace DistributedHardware
|
|
}; // namespace OHOS
|
|
|
|
#endif // OHOS_DEVICE_MANAGER_SINGLE_INSTANCE_H
|