-
Notifications
You must be signed in to change notification settings - Fork 2.7k
/
SnapshotVisitor.cpp
88 lines (72 loc) · 2.71 KB
/
SnapshotVisitor.cpp
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
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// 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 "db/SnapshotVisitor.h"
#include <sstream>
#include "db/SnapshotHandlers.h"
#include "db/meta/MetaTypes.h"
#include "db/snapshot/Snapshots.h"
namespace milvus {
namespace engine {
SnapshotVisitor::SnapshotVisitor(snapshot::ScopedSnapshotT ss) : ss_(ss) {
}
SnapshotVisitor::SnapshotVisitor(const std::string& collection_name) {
status_ = snapshot::Snapshots::GetInstance().GetSnapshot(ss_, collection_name);
}
SnapshotVisitor::SnapshotVisitor(snapshot::ID_TYPE collection_id) {
status_ = snapshot::Snapshots::GetInstance().GetSnapshot(ss_, collection_id);
}
Status
SnapshotVisitor::SegmentsToSearch(meta::FilesHolder& files_holder) {
STATUS_CHECK(status_);
auto handler = std::make_shared<SegmentsToSearchCollector>(ss_, files_holder);
handler->Iterate();
return handler->GetStatus();
}
SegmentFileVisitor::Ptr
SegmentFileVisitor::Build(snapshot::ScopedSnapshotT ss, snapshot::ID_TYPE segment_file_id) {
if (!ss) {
return nullptr;
}
auto file = ss->GetResource<snapshot::SegmentFile>(segment_file_id);
if (!file) {
return nullptr;
}
auto visitor = std::make_shared<SegmentFileVisitor>();
visitor->SetFile(file);
auto field_element = ss->GetResource<snapshot::FieldElement>(file->GetFieldElementId());
auto field = ss->GetResource<snapshot::Field>(field_element->GetFieldId());
visitor->SetField(field);
visitor->SetFieldElement(field_element);
return visitor;
}
SegmentVisitor::Ptr
SegmentVisitor::Build(snapshot::ScopedSnapshotT ss, snapshot::ID_TYPE segment_id) {
if (!ss) {
return nullptr;
}
auto segment = ss->GetResource<snapshot::Segment>(segment_id);
if (!segment) {
return nullptr;
}
auto visitor = std::make_shared<SegmentVisitor>();
visitor->SetSegment(segment);
auto& file_ids = ss->GetSegmentFileIds(segment_id);
for (auto id : file_ids) {
auto file_visitor = SegmentFileVisitor::Build(ss, id);
if (!file_visitor) {
return nullptr;
}
visitor->InsertSegmentFile(file_visitor);
}
return visitor;
}
} // namespace engine
} // namespace milvus