Mercurial > hg > orthanc-databases
annotate Framework/Common/ResultBase.cpp @ 580:35d2df9572b1 find-refactoring tip
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author | Alain Mazy <am@orthanc.team> |
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date | Tue, 15 Oct 2024 15:52:39 +0200 |
parents | 54d518dcd74a |
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rev | line source |
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0 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
0 | 8 * |
9 * This program is free software: you can redistribute it and/or | |
10 * modify it under the terms of the GNU Affero General Public License | |
11 * as published by the Free Software Foundation, either version 3 of | |
12 * the License, or (at your option) any later version. | |
13 * | |
14 * This program is distributed in the hope that it will be useful, but | |
15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 * Affero General Public License for more details. | |
18 * | |
19 * You should have received a copy of the GNU Affero General Public License | |
20 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
21 **/ | |
22 | |
23 | |
24 #include "ResultBase.h" | |
25 | |
26 #include "../Common/BinaryStringValue.h" | |
27 #include "../Common/Integer64Value.h" | |
28 #include "../Common/NullValue.h" | |
29 #include "../Common/Utf8StringValue.h" | |
30 | |
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31 #include <Compatibility.h> // For std::unique_ptr<> |
152 | 32 #include <Logging.h> |
33 #include <OrthancException.h> | |
0 | 34 |
35 #include <cassert> | |
36 #include <memory> | |
37 | |
38 namespace OrthancDatabases | |
39 { | |
40 void ResultBase::ClearFields() | |
41 { | |
42 for (size_t i = 0; i < fields_.size(); i++) | |
43 { | |
44 if (fields_[i] != NULL) | |
45 { | |
46 delete fields_[i]; | |
47 fields_[i] = NULL; | |
48 } | |
49 } | |
50 } | |
51 | |
52 | |
53 void ResultBase::ConvertFields() | |
54 { | |
55 assert(expectedType_.size() == fields_.size() && | |
56 hasExpectedType_.size() == fields_.size()); | |
57 | |
58 for (size_t i = 0; i < fields_.size(); i++) | |
59 { | |
60 ValueType sourceType = fields_[i]->GetType(); | |
61 ValueType targetType = expectedType_[i]; | |
62 | |
63 if (hasExpectedType_[i] && | |
64 sourceType != ValueType_Null && | |
65 sourceType != targetType) | |
66 { | |
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67 std::unique_ptr<IValue> converted(fields_[i]->Convert(targetType)); |
0 | 68 |
69 if (converted.get() == NULL) | |
70 { | |
71 LOG(ERROR) << "Cannot convert between data types from a database"; | |
72 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadParameterType); | |
73 } | |
74 else | |
75 { | |
76 assert(fields_[i] != NULL); | |
77 delete fields_[i]; | |
78 fields_[i] = converted.release(); | |
79 } | |
80 } | |
81 } | |
82 } | |
83 | |
84 | |
85 void ResultBase::FetchFields() | |
86 { | |
87 ClearFields(); | |
88 | |
89 if (!IsDone()) | |
90 { | |
91 for (size_t i = 0; i < fields_.size(); i++) | |
92 { | |
93 fields_[i] = FetchField(i); | |
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94 } |
0 | 95 |
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96 if (fields_.size() == 1 && fields_[0] == NULL) // this is a "void" result |
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97 { |
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98 return; |
0 | 99 } |
100 | |
101 ConvertFields(); | |
102 } | |
103 } | |
104 | |
105 | |
106 void ResultBase::SetFieldsCount(size_t count) | |
107 { | |
108 if (!fields_.empty()) | |
109 { | |
110 // This method can only be invoked once | |
111 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
112 } | |
113 | |
114 fields_.resize(count); | |
115 expectedType_.resize(count, ValueType_Null); | |
116 hasExpectedType_.resize(count, false); | |
117 } | |
118 | |
119 | |
120 void ResultBase::SetExpectedType(size_t field, | |
121 ValueType type) | |
122 { | |
123 assert(expectedType_.size() == fields_.size() && | |
124 hasExpectedType_.size() == fields_.size()); | |
125 | |
126 if (field < fields_.size()) | |
127 { | |
128 expectedType_[field] = type; | |
129 hasExpectedType_[field] = true; | |
130 | |
131 if (!IsDone()) | |
132 { | |
133 ConvertFields(); | |
134 } | |
135 } | |
136 } | |
137 | |
138 | |
139 const IValue& ResultBase::GetField(size_t index) const | |
140 { | |
141 if (IsDone()) | |
142 { | |
143 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
144 } | |
145 else if (index >= fields_.size()) | |
146 { | |
147 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
148 } | |
149 else if (fields_[index] == NULL) | |
150 { | |
151 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
152 } | |
153 else | |
154 { | |
155 return *fields_[index]; | |
156 } | |
157 } | |
158 } |