1 | /** |
2 | * Copyright 2021 Alibaba, Inc. and its affiliates. All Rights Reserved. |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | * |
16 | * \author guonix |
17 | * \date Nov 2020 |
18 | * \brief |
19 | */ |
20 | |
21 | #pragma once |
22 | |
23 | #include "executor.h" |
24 | #include "scheduler.h" |
25 | |
26 | namespace proxima { |
27 | namespace be { |
28 | namespace query { |
29 | |
30 | /*! |
31 | * Parallel Executor |
32 | */ |
33 | class ParallelExecutor : public Executor { |
34 | public: |
35 | //! Constructor |
36 | explicit ParallelExecutor(SchedulerPtr scheduler); |
37 | |
38 | //! Destructor |
39 | ~ParallelExecutor() override; |
40 | |
41 | public: |
42 | //! Execute one task |
43 | int execute_task(const TaskPtr &task) override; |
44 | |
45 | //! Execute tasks |
46 | int execute_tasks(const TaskPtrList &tasks) override; |
47 | |
48 | private: |
49 | //! Wait all task finish and collect execution status, |
50 | //! return value 0 for success, otherwise failed |
51 | int wait_finish(const TaskPtrList &tasks); |
52 | |
53 | private: |
54 | //! Scheduler handle |
55 | SchedulerPtr scheduler_{nullptr}; |
56 | }; |
57 | |
58 | |
59 | } // namespace query |
60 | } // namespace be |
61 | } // namespace proxima |
62 | |