-
Notifications
You must be signed in to change notification settings - Fork 1.2k
/
NebulaCodecImpl.cpp
126 lines (118 loc) · 4.3 KB
/
NebulaCodecImpl.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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
/* Copyright (c) 2018 vesoft inc. All rights reserved.
*
* This source code is licensed under Apache 2.0 License,
* attached with Common Clause Condition 1.0, found in the LICENSES directory.
*/
#include <string>
#include "base/Base.h"
#include "dataman/RowReader.h"
#include "dataman/RowWriter.h"
#include "dataman/SchemaWriter.h"
#include "NebulaCodecImpl.h"
/**
* Report error message
*/
#define PRINT_ERROR_MESSAGE(code, value) \
if (ResultType::SUCCEEDED == code) { \
result[field] = value; \
} else { \
LOG(ERROR) << "ResultType : " << static_cast<int>(code) \
<< " Value " << value << std::endl; \
}
namespace nebula {
namespace dataman {
std::string NebulaCodecImpl::encode(std::vector<Value> values,
std::shared_ptr<const meta::SchemaProviderIf> schema) {
RowWriter writer(schema);
for (auto& value : values) {
if (value.type() == typeid(int32_t)) {
writer << boost::any_cast<int32_t>(value);
} else if (value.type() == typeid(int64_t)) {
writer << boost::any_cast<int64_t>(value);
} else if (value.type() == typeid(std::string)) {
writer << boost::any_cast<std::string>(value);
} else if (value.type() == typeid(double)) {
writer << boost::any_cast<double>(value);
} else if (value.type() == typeid(float)) {
writer << boost::any_cast<float>(value);
} else if (value.type() == typeid(bool)) {
writer << boost::any_cast<bool>(value);
} else {
LOG(ERROR) << "Value Type :" << value.type().name() << std::endl;
}
}
std::string result = writer.encode();
return result;
}
StatusOr<std::unordered_map<std::string, Value>>
NebulaCodecImpl::decode(std::string encoded,
std::shared_ptr<const meta::SchemaProviderIf> schema) {
if (encoded.empty()) {
return Status::Error("encoded string is empty");
}
if (!schema) {
return Status::Error("schema is not set");
}
folly::StringPiece piece;
ResultType code;
auto reader = RowReader::getRowReader(encoded, schema);
std::unordered_map<std::string, Value> result;
for (size_t index = 0; index < schema->getNumFields(); index++) {
auto field = schema->getFieldName(index);
switch (schema->getFieldType(index).get_type()) {
case cpp2::SupportedType::BOOL:
bool b;
code = reader->getBool(field, b);
PRINT_ERROR_MESSAGE(code, b);
break;
case cpp2::SupportedType::INT:
int32_t i;
code = reader->getInt(field, i);
PRINT_ERROR_MESSAGE(code, i);
break;
case cpp2::SupportedType::STRING:
code = reader->getString(field, piece);
PRINT_ERROR_MESSAGE(code, piece.toString());
break;
case cpp2::SupportedType::VID:
int64_t v;
code = reader->getVid(field, v);
PRINT_ERROR_MESSAGE(code, v);
break;
case cpp2::SupportedType::FLOAT:
float f;
code = reader->getFloat(field, f);
PRINT_ERROR_MESSAGE(code, f);
break;
case cpp2::SupportedType::DOUBLE:
double d;
code = reader->getDouble(field, d);
PRINT_ERROR_MESSAGE(code, d)
break;
case cpp2::SupportedType::TIMESTAMP:
// TODO(darion) Support TIMESTAMP
break;
case cpp2::SupportedType::YEAR:
// TODO(darion) Support YEAR
break;
case cpp2::SupportedType::YEARMONTH:
// TODO(darion) Support YEARMONTH
break;
case cpp2::SupportedType::DATE:
// TODO(darion) Support DATE
break;
case cpp2::SupportedType::DATETIME:
// TODO(darion) Support DATETIME
break;
case cpp2::SupportedType::PATH:
// TODO(darion) Support PATH
break;
default:
// UNKNOWN
break;
}
}
return result;
}
} // namespace dataman
} // namespace nebula