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 "task.h" |
24 | |
25 | namespace proxima { |
26 | namespace be { |
27 | namespace query { |
28 | |
29 | //! Predefine class |
30 | class Executor; |
31 | //! Alias for Executor |
32 | using ExecutorPtr = std::shared_ptr<Executor>; |
33 | |
34 | /*! |
35 | * Task executor |
36 | */ |
37 | class Executor { |
38 | public: |
39 | //! Destructor |
40 | virtual ~Executor() = default; |
41 | |
42 | public: |
43 | //! Execute one task |
44 | virtual int execute_task(const TaskPtr &task) = 0; |
45 | |
46 | //! Execute tasks |
47 | virtual int execute_tasks(const TaskPtrList &tasks) = 0; |
48 | }; |
49 | |
50 | |
51 | } // namespace query |
52 | } // namespace be |
53 | } // namespace proxima |
54 | |