1/*
2 * Copyright (c) 2023 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 JS_CONCURRENT_MODULE_TASKPOOL_MESSAGE_QUEUE_H
17#define JS_CONCURRENT_MODULE_TASKPOOL_MESSAGE_QUEUE_H
18
19#include <mutex>
20#include <queue>
21
22namespace Commonlibrary::Concurrent::TaskPoolModule {
23template <typename MessageDataType>
24class MessageQueue final {
25public:
26    void EnQueue(MessageDataType data)
27    {
28        std::lock_guard<std::mutex> lock(queueLock_);
29        queue_.push(data);
30    }
31
32    MessageDataType DeQueue()
33    {
34        std::lock_guard<std::mutex> lock(queueLock_);
35        if (queue_.empty()) {
36            return nullptr;
37        }
38
39        auto data = queue_.front();
40        queue_.pop();
41        return data;
42    }
43
44    bool IsEmpty()
45    {
46        std::lock_guard<std::mutex> lock(queueLock_);
47        return queue_.empty();
48    }
49
50private:
51    std::mutex queueLock_;
52    std::queue<MessageDataType> queue_;
53};
54}  // namespace Commonlibrary::Concurrent::TaskPoolModule
55#endif // JS_CONCURRENT_MODULE_TASKPOOL_MESSAGE_QUEUE_H