Mercurial > hg > orthanc
annotate OrthancServer/OrthancFindRequestHandler.cpp @ 1851:d364926389e0
OrthancFindRequestHandler::FilterQueryTag
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 01 Dec 2015 14:53:52 +0100 |
parents | 30e97a1f4093 |
children | b7d3d3b182cf |
rev | line source |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * |
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6 * This program is free software: you can redistribute it and/or |
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7 * modify it under the terms of the GNU General Public License as |
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8 * published by the Free Software Foundation, either version 3 of the |
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9 * License, or (at your option) any later version. |
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10 * |
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11 * In addition, as a special exception, the copyright holders of this |
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12 * program give permission to link the code of its release with the |
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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14 * that use the same license as the "OpenSSL" library), and distribute |
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15 * the linked executables. You must obey the GNU General Public License |
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16 * in all respects for all of the code used other than "OpenSSL". If you |
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17 * modify file(s) with this exception, you may extend this exception to |
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18 * your version of the file(s), but you are not obligated to do so. If |
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19 * you do not wish to do so, delete this exception statement from your |
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20 * version. If you delete this exception statement from all source files |
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21 * in the program, then also delete it here. |
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22 * |
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23 * This program is distributed in the hope that it will be useful, but |
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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26 * General Public License for more details. |
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27 * |
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28 * You should have received a copy of the GNU General Public License |
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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30 **/ |
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31 |
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32 |
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33 #include "PrecompiledHeadersServer.h" |
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34 #include "OrthancFindRequestHandler.h" |
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35 |
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36 #include "../Core/DicomFormat/DicomArray.h" |
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37 #include "../Core/Logging.h" |
795 | 38 #include "FromDcmtkBridge.h" |
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39 #include "OrthancInitialization.h" |
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40 #include "Search/LookupResource.h" |
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41 #include "ServerToolbox.h" |
608 | 42 |
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43 #include <boost/regex.hpp> |
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44 |
608 | 45 |
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46 namespace Orthanc |
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47 { |
608 | 48 static void AddAnswer(DicomFindAnswers& answers, |
49 const Json::Value& resource, | |
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50 const DicomArray& query) |
608 | 51 { |
52 DicomMap result; | |
53 | |
54 for (size_t i = 0; i < query.GetSize(); i++) | |
55 { | |
1332 | 56 // Fix issue 30 (QR response missing "Query/Retrieve Level" (008,0052)) |
1346 | 57 if (query.GetElement(i).GetTag() == DICOM_TAG_QUERY_RETRIEVE_LEVEL) |
58 { | |
59 result.SetValue(query.GetElement(i).GetTag(), query.GetElement(i).GetValue()); | |
60 } | |
61 else if (query.GetElement(i).GetTag() == DICOM_TAG_SPECIFIC_CHARACTER_SET) | |
62 { | |
63 } | |
64 else | |
608 | 65 { |
66 std::string tag = query.GetElement(i).GetTag().Format(); | |
67 std::string value; | |
68 if (resource.isMember(tag)) | |
69 { | |
70 value = resource.get(tag, Json::arrayValue).get("Value", "").asString(); | |
71 result.SetValue(query.GetElement(i).GetTag(), value); | |
72 } | |
722 | 73 else |
74 { | |
75 result.SetValue(query.GetElement(i).GetTag(), ""); | |
76 } | |
608 | 77 } |
78 } | |
79 | |
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80 if (result.GetSize() == 0) |
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81 { |
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82 LOG(WARNING) << "The C-FIND request does not return any DICOM tag"; |
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83 } |
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84 else |
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85 { |
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86 answers.Add(result); |
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87 } |
608 | 88 } |
89 | |
90 | |
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91 |
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92 bool OrthancFindRequestHandler::FilterQueryTag(std::string& value /* can be modified */, |
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93 ResourceType level, |
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94 const DicomTag& tag, |
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95 ModalityManufacturer manufacturer) |
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96 { |
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97 return true; |
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98 } |
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99 |
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100 |
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101 void OrthancFindRequestHandler::Handle(DicomFindAnswers& answers, |
665 | 102 const DicomMap& input, |
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103 const std::string& remoteIp, |
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104 const std::string& remoteAet, |
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105 const std::string& calledAet) |
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106 { |
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107 /** |
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108 * Ensure that the remote modality is known to Orthanc. |
665 | 109 **/ |
110 | |
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111 RemoteModalityParameters modality; |
665 | 112 |
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113 if (!Configuration::LookupDicomModalityUsingAETitle(modality, remoteAet)) |
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114 { |
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115 throw OrthancException(ErrorCode_UnknownModality); |
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116 } |
806 | 117 |
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118 bool caseSensitivePN = Configuration::GetGlobalBoolParameter("CaseSensitivePN", false); |
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119 |
665 | 120 |
121 /** | |
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122 * Retrieve the query level. |
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123 **/ |
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124 |
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125 const DicomValue* levelTmp = input.TestAndGetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL); |
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126 if (levelTmp == NULL || |
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127 levelTmp->IsNull() || |
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128 levelTmp->IsBinary()) |
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129 { |
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130 LOG(ERROR) << "C-FIND request without the tag 0008,0052 (QueryRetrieveLevel)"; |
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131 throw OrthancException(ErrorCode_BadRequest); |
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132 } |
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133 |
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134 ResourceType level = StringToResourceType(levelTmp->GetContent().c_str()); |
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135 |
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136 if (level != ResourceType_Patient && |
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137 level != ResourceType_Study && |
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138 level != ResourceType_Series && |
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139 level != ResourceType_Instance) |
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140 { |
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141 throw OrthancException(ErrorCode_NotImplemented); |
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142 } |
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143 |
665 | 144 |
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145 DicomArray query(input); |
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146 LOG(INFO) << "DICOM C-Find request at level: " << EnumerationToString(level); |
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147 |
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148 for (size_t i = 0; i < query.GetSize(); i++) |
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149 { |
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150 if (!query.GetElement(i).GetValue().IsNull()) |
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151 { |
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152 LOG(INFO) << " " << query.GetElement(i).GetTag() |
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153 << " " << FromDcmtkBridge::GetName(query.GetElement(i).GetTag()) |
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154 << " = " << query.GetElement(i).GetValue().GetContent(); |
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155 } |
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156 } |
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157 |
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158 |
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159 /** |
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160 * Build up the query object. |
608 | 161 **/ |
162 | |
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163 LookupResource finder(level); |
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164 |
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165 for (size_t i = 0; i < query.GetSize(); i++) |
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166 { |
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167 const DicomTag tag = query.GetElement(i).GetTag(); |
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168 |
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169 if (query.GetElement(i).GetValue().IsNull() || |
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170 tag == DICOM_TAG_QUERY_RETRIEVE_LEVEL || |
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171 tag == DICOM_TAG_SPECIFIC_CHARACTER_SET) |
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172 { |
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173 continue; |
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174 } |
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175 |
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176 std::string value = query.GetElement(i).GetValue().GetContent(); |
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177 if (value.size() == 0) |
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178 { |
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179 // An empty string corresponds to a "*" wildcard constraint, so we ignore it |
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180 continue; |
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181 } |
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182 |
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183 if (FilterQueryTag(value, level, tag, modality.GetManufacturer())) |
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184 { |
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185 ValueRepresentation vr = FromDcmtkBridge::GetValueRepresentation(tag); |
1758 | 186 |
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187 // DICOM specifies that searches must be case sensitive, except |
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188 // for tags with a PN value representation |
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189 bool sensitive = true; |
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190 if (vr == ValueRepresentation_PatientName) |
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191 { |
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192 sensitive = caseSensitivePN; |
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193 } |
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194 |
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195 finder.AddDicomConstraint(tag, value, sensitive); |
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196 } |
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197 else |
1758 | 198 { |
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199 LOG(INFO) << "Because of a patch for the manufacturer of the remote modality, " |
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200 << "ignoring constraint on tag (" << tag.Format() << ") " << FromDcmtkBridge::GetName(tag); |
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201 } |
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202 } |
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203 |
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204 |
608 | 205 /** |
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206 * Run the query. |
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207 **/ |
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208 |
1753 | 209 size_t maxResults = (level == ResourceType_Instance) ? maxInstances_ : maxResults_; |
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210 |
1753 | 211 std::vector<std::string> resources, instances; |
212 context_.GetIndex().FindCandidates(resources, instances, finder); | |
1752 | 213 |
1753 | 214 assert(resources.size() == instances.size()); |
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215 bool complete = true; |
1753 | 216 |
217 for (size_t i = 0; i < instances.size(); i++) | |
1752 | 218 { |
1753 | 219 Json::Value dicom; |
220 context_.ReadJson(dicom, instances[i]); | |
221 | |
222 if (finder.IsMatch(dicom)) | |
223 { | |
224 if (maxResults != 0 && | |
225 answers.GetSize() >= maxResults) | |
226 { | |
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227 complete = false; |
1753 | 228 break; |
229 } | |
230 else | |
231 { | |
232 AddAnswer(answers, dicom, query); | |
233 } | |
234 } | |
1752 | 235 } |
236 | |
1753 | 237 LOG(INFO) << "Number of matching resources: " << answers.GetSize(); |
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238 |
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239 answers.SetComplete(complete); |
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240 } |
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241 } |