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_TASK_GROUP_H
17#define JS_CONCURRENT_MODULE_TASKPOOL_TASK_GROUP_H
18
19#include <list>
20
21#include "task.h"
22#include "task_manager.h"
23
24namespace Commonlibrary::Concurrent::TaskPoolModule {
25struct GroupInfo {
26    uint32_t finishedTask {};
27    napi_ref resArr = nullptr;
28    Priority priority {Priority::DEFAULT};
29    napi_deferred deferred = nullptr;
30};
31
32class TaskGroup {
33public:
34    TaskGroup() = default;
35    ~TaskGroup() = default;
36
37    static napi_value TaskGroupConstructor(napi_env env, napi_callback_info cbinfo);
38    static napi_value AddTask(napi_env env, napi_callback_info cbinfo);
39
40    uint32_t GetTaskIndex(uint32_t taskId);
41    void NotifyGroupTask(napi_env env);
42    void CancelPendingGroup(napi_env env);
43
44private:
45    TaskGroup(const TaskGroup &) = delete;
46    TaskGroup& operator=(const TaskGroup &) = delete;
47    TaskGroup(TaskGroup &&) = delete;
48    TaskGroup& operator=(TaskGroup &&) = delete;
49
50    static void TaskGroupDestructor(napi_env env, void* data, void* hint);
51
52    friend class NativeEngineTest;
53public:
54    uint64_t groupId_ {};
55    GroupInfo* currentGroupInfo_ {};
56    std::list<GroupInfo*> pendingGroupInfos_ {};
57    std::list<napi_ref> taskRefs_ {};
58    std::list<uint64_t> taskIds_ {};
59    uint32_t taskNum_ {};
60    std::atomic<ExecuteState> groupState_ {ExecuteState::NOT_FOUND};
61    napi_ref groupRef_ {};
62    RECURSIVE_MUTEX taskGroupMutex_ {};
63};
64} // namespace Commonlibrary::Concurrent::TaskPoolModule
65#endif // JS_CONCURRENT_MODULE_TASKPOOL_TASK_GROUP_H