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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
// Copyright (C) 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "icing/index/integer-section-indexing-handler.h"
#include <cstdint>
#include <memory>
#include "icing/text_classifier/lib3/utils/base/status.h"
#include "icing/text_classifier/lib3/utils/base/statusor.h"
#include "icing/schema/section.h"
#include "icing/store/document-id.h"
#include "icing/util/logging.h"
#include "icing/util/tokenized-document.h"
namespace icing {
namespace lib {
/* static */ libtextclassifier3::StatusOr<
std::unique_ptr<IntegerSectionIndexingHandler>>
IntegerSectionIndexingHandler::Create(const Clock* clock,
NumericIndex<int64_t>* integer_index) {
ICING_RETURN_ERROR_IF_NULL(clock);
ICING_RETURN_ERROR_IF_NULL(integer_index);
return std::unique_ptr<IntegerSectionIndexingHandler>(
new IntegerSectionIndexingHandler(clock, integer_index));
}
libtextclassifier3::Status IntegerSectionIndexingHandler::Handle(
const TokenizedDocument& tokenized_document, DocumentId document_id,
bool recovery_mode, PutDocumentStatsProto* put_document_stats) {
// TODO(b/259744228): set integer indexing latency and other stats
if (integer_index_.last_added_document_id() != kInvalidDocumentId &&
document_id <= integer_index_.last_added_document_id()) {
if (recovery_mode) {
// Skip the document if document_id <= last_added_document_id in recovery
// mode without returning an error.
return libtextclassifier3::Status::OK;
}
return absl_ports::InvalidArgumentError(IcingStringUtil::StringPrintf(
"DocumentId %d must be greater than last added document_id %d",
document_id, integer_index_.last_added_document_id()));
}
integer_index_.set_last_added_document_id(document_id);
libtextclassifier3::Status status;
// We have to add integer sections into integer index in reverse order because
// sections are sorted by SectionId in ascending order, but BasicHit should be
// added in descending order of SectionId (posting list requirement).
for (auto riter = tokenized_document.integer_sections().rbegin();
riter != tokenized_document.integer_sections().rend(); ++riter) {
const Section<int64_t>& section = *riter;
std::unique_ptr<NumericIndex<int64_t>::Editor> editor = integer_index_.Edit(
section.metadata.path, document_id, section.metadata.id);
for (int64_t key : section.content) {
status = editor->BufferKey(key);
if (!status.ok()) {
ICING_LOG(WARNING)
<< "Failed to buffer keys into integer index due to: "
<< status.error_message();
break;
}
}
if (!status.ok()) {
break;
}
// Add all the seen keys to the integer index.
status = std::move(*editor).IndexAllBufferedKeys();
if (!status.ok()) {
ICING_LOG(WARNING) << "Failed to add keys into integer index due to: "
<< status.error_message();
break;
}
}
return status;
}
} // namespace lib
} // namespace icing
|