blob: 05d25a322dbe72cb49f2616c7ebdec6cf67d01fd (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "handle.h"
#include "matchdata.h"
namespace search::fef {
/**
* This class is used to describe the layout of term match data and
* features within MatchData objects for a single query.
**/
class MatchDataLayout
{
private:
uint32_t _numTermFields;
std::vector<uint32_t> _fieldIds;
public:
/**
* Create an empty object.
**/
MatchDataLayout();
~MatchDataLayout();
/**
* Allocate space for a term field match data structure.
*
* @param fieldId the field ID the space will be used for
* @return handle to be used with match data objects
**/
TermFieldHandle allocTermField(uint32_t fieldId) {
_fieldIds.push_back(fieldId);
return _numTermFields++;
}
/**
* Create a match data object with the layout described by this
* object. Note that this method should only be invoked after all
* terms and features have been allocated.
*
* @return auto-pointer to a match data object
**/
MatchData::UP createMatchData() const;
};
}
|
