1 /*
2  * Copyright (c) 2023-2023 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 OHOS_DEFERRED_PROCESSING_SERVICE_I_TASK_GROUP_H
17 #define OHOS_DEFERRED_PROCESSING_SERVICE_I_TASK_GROUP_H
18 
19 #include <any>
20 #include <cstdint>
21 #include <functional>
22 #include <string>
23 
24 namespace OHOS {
25 namespace CameraStandard {
26 namespace DeferredProcessing {
27 using TaskGroupHandle = uint64_t;
28 using TaskFunc = std::function<void(std::any param)>;
29 using TaskCallback = std::function<void(std::any param)>;
30 
31 class ITaskGroup {
32 public:
33     ITaskGroup() = default;
34     virtual ~ITaskGroup() = default;
35     virtual const std::string& GetName() = 0;
36     virtual TaskGroupHandle GetHandle() = 0;
37     virtual bool SubmitTask(std::any param) = 0;
38     virtual void CancelAllTasks() = 0;
39     virtual size_t GetTaskCount() = 0;
40 };
41 constexpr TaskGroupHandle INVALID_TASK_GROUP_HANDLE = 0;
42 } //namespace DeferredProcessing
43 } // namespace CameraStandard
44 } // namespace OHOS
45 #endif // OHOS_DEFERRED_PROCESSING_SERVICE_I_TASK_GROUP_H
46