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 | #include "knn_task.h" |
22 | #include "common/error_code.h" |
23 | |
24 | namespace proxima { |
25 | namespace be { |
26 | namespace query { |
27 | |
28 | KNNTask::KNNTask(index::SegmentPtr segment, KNNQueryContext *context) |
29 | : BthreadTask("KNNTask" ), segment_(std::move(segment)), context_(context) {} |
30 | |
31 | KNNTask::KNNTask(const std::string &name_val, index::SegmentPtr segment, |
32 | KNNQueryContext *context) |
33 | : BthreadTask(name_val), segment_(std::move(segment)), context_(context) {} |
34 | |
35 | KNNTask::~KNNTask() = default; |
36 | |
37 | const std::vector<index::QueryResultList> &KNNTask::result() const { |
38 | return result_; |
39 | } |
40 | |
41 | int KNNTask::do_run() { |
42 | if (!segment_ || !context_) { |
43 | return PROXIMA_BE_ERROR_CODE(InvalidSegment); |
44 | } |
45 | |
46 | LOG_DEBUG("KNNTask start to run, query_id[%zu], segment_id[%zu]" , |
47 | (size_t)context_->query_params().query_id, |
48 | (size_t)segment_->segment_id()); |
49 | return segment_->knn_search(context_->column(), context_->features(), |
50 | context_->query_params(), context_->batch_count(), |
51 | &result_); |
52 | } |
53 | |
54 | } // namespace query |
55 | } // namespace be |
56 | } // namespace proxima |
57 | |