Mercurial > hg > orthanc-databases
annotate Framework/Common/ResultBase.cpp @ 152:063aa53b5917
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 01 Jul 2020 08:54:32 +0200 |
| parents | 4cd7e45b671e |
| children | 275e14f57f1e |
| rev | line source |
|---|---|
| 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) 2017-2020 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "ResultBase.h" | |
| 23 | |
| 24 #include "../Common/BinaryStringValue.h" | |
| 25 #include "../Common/Integer64Value.h" | |
| 26 #include "../Common/NullValue.h" | |
| 27 #include "../Common/Utf8StringValue.h" | |
| 28 | |
| 152 | 29 #include <Logging.h> |
| 30 #include <OrthancException.h> | |
| 0 | 31 |
| 32 #include <cassert> | |
| 33 #include <memory> | |
| 34 | |
| 35 namespace OrthancDatabases | |
| 36 { | |
| 37 void ResultBase::ClearFields() | |
| 38 { | |
| 39 for (size_t i = 0; i < fields_.size(); i++) | |
| 40 { | |
| 41 if (fields_[i] != NULL) | |
| 42 { | |
| 43 delete fields_[i]; | |
| 44 fields_[i] = NULL; | |
| 45 } | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 | |
| 50 void ResultBase::ConvertFields() | |
| 51 { | |
| 52 assert(expectedType_.size() == fields_.size() && | |
| 53 hasExpectedType_.size() == fields_.size()); | |
| 54 | |
| 55 for (size_t i = 0; i < fields_.size(); i++) | |
| 56 { | |
| 57 if (fields_[i] == NULL) | |
| 58 { | |
| 59 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 60 } | |
| 61 | |
| 62 ValueType sourceType = fields_[i]->GetType(); | |
| 63 ValueType targetType = expectedType_[i]; | |
| 64 | |
| 65 if (hasExpectedType_[i] && | |
| 66 sourceType != ValueType_Null && | |
| 67 sourceType != targetType) | |
| 68 { | |
| 69 std::auto_ptr<IValue> converted(fields_[i]->Convert(targetType)); | |
| 70 | |
| 71 if (converted.get() == NULL) | |
| 72 { | |
| 73 LOG(ERROR) << "Cannot convert between data types from a database"; | |
| 74 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadParameterType); | |
| 75 } | |
| 76 else | |
| 77 { | |
| 78 assert(fields_[i] != NULL); | |
| 79 delete fields_[i]; | |
| 80 fields_[i] = converted.release(); | |
| 81 } | |
| 82 } | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 | |
| 87 void ResultBase::FetchFields() | |
| 88 { | |
| 89 ClearFields(); | |
| 90 | |
| 91 if (!IsDone()) | |
| 92 { | |
| 93 for (size_t i = 0; i < fields_.size(); i++) | |
| 94 { | |
| 95 fields_[i] = FetchField(i); | |
| 96 | |
| 97 if (fields_[i] == NULL) | |
| 98 { | |
| 99 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 ConvertFields(); | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 | |
| 108 void ResultBase::SetFieldsCount(size_t count) | |
| 109 { | |
| 110 if (!fields_.empty()) | |
| 111 { | |
| 112 // This method can only be invoked once | |
| 113 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 114 } | |
| 115 | |
| 116 fields_.resize(count); | |
| 117 expectedType_.resize(count, ValueType_Null); | |
| 118 hasExpectedType_.resize(count, false); | |
| 119 } | |
| 120 | |
| 121 | |
| 122 void ResultBase::SetExpectedType(size_t field, | |
| 123 ValueType type) | |
| 124 { | |
| 125 assert(expectedType_.size() == fields_.size() && | |
| 126 hasExpectedType_.size() == fields_.size()); | |
| 127 | |
| 128 if (field < fields_.size()) | |
| 129 { | |
| 130 expectedType_[field] = type; | |
| 131 hasExpectedType_[field] = true; | |
| 132 | |
| 133 if (!IsDone()) | |
| 134 { | |
| 135 ConvertFields(); | |
| 136 } | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 | |
| 141 const IValue& ResultBase::GetField(size_t index) const | |
| 142 { | |
| 143 if (IsDone()) | |
| 144 { | |
| 145 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 146 } | |
| 147 else if (index >= fields_.size()) | |
| 148 { | |
| 149 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 150 } | |
| 151 else if (fields_[index] == NULL) | |
| 152 { | |
| 153 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 154 } | |
| 155 else | |
| 156 { | |
| 157 return *fields_[index]; | |
| 158 } | |
| 159 } | |
| 160 } |