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
25namespace proxima {
26namespace be {
27namespace query {
28
29//! Predefine class
30class Executor;
31//! Alias for Executor
32using ExecutorPtr = std::shared_ptr<Executor>;
33
34/*!
35 * Task executor
36 */
37class 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