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 #ifndef TASK_QUEUE_H
17 #define TASK_QUEUE_H
18 
19 #include <thread>
20 #include <queue>
21 #include "task_pool.h"
22 
23 namespace DistributedDB {
24 class TaskQueue {
25 public:
26     explicit TaskQueue(bool lockable = true);
27     ~TaskQueue();
28     void PutTask(const Task &task);
29     Task GetTaskAutoLock();
30     void ReleaseLock();
31     bool IsEmptyAndUnlocked() const;
32     bool CanGetTask() const;
33 private:
34     bool lockable_;
35     std::thread::id lockThread_;
36     std::queue<Task> tasks_;
37 };
38 } // namespace DistributedDB
39 
40 #endif // TASK_QUEUE_H
41