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 "index/index_service.h"
24#include "proto/proxima_be.pb.h"
25#include "meta_wrapper.h"
26
27namespace proxima {
28namespace be {
29namespace query {
30
31/*!
32 * Helper object for forward serialization
33 */
34class ForwardSerializer {
35 public:
36 //! Deserialized forward buf
37 static bool Deserialize(const std::string &buf,
38 proto::GenericValueList *values);
39
40 //! Fill forward field
41 static int FillForward(const index::QueryResult &forward,
42 const ColumnNameList &columns, proto::Document *doc);
43};
44
45
46} // namespace query
47} // namespace be
48} // namespace proxima
49