1 /*
2  * Copyright (c) 2021 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 
16 #include "ikvdb_factory.h"
17 
18 namespace DistributedDB {
19 IKvDBFactory *IKvDBFactory::factory_ = nullptr;
20 std::mutex IKvDBFactory::instanceLock_;
21 
22 // Get current factory object.
GetCurrent()23 IKvDBFactory *IKvDBFactory::GetCurrent()
24 {
25     std::lock_guard<std::mutex> lockGuard(IKvDBFactory::instanceLock_);
26     return IKvDBFactory::factory_;
27 }
28 
29 // Set the factory object to 'current'
Register(IKvDBFactory * factory)30 void IKvDBFactory::Register(IKvDBFactory *factory)
31 {
32     std::lock_guard<std::mutex> lockGuard(IKvDBFactory::instanceLock_);
33     IKvDBFactory::factory_ = factory;
34 }
35 } // namespace DistributedDB