Mercurial > hg > orthanc
annotate Plugins/Samples/ModalityWorklists/Plugin.cpp @ 2244:a3a65de1840f
shared copyright with osimis
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 04 Jan 2017 12:09:40 +0100 |
parents | 55843d0139d3 |
children | ce5c13b95dac |
rev | line source |
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1802 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1802 | 4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017 Osimis, Belgium |
1802 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * 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 * General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
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22 #include "../Common/OrthancPluginCppWrapper.h" |
1802 | 23 |
24 #include <boost/filesystem.hpp> | |
25 #include <json/value.h> | |
26 #include <json/reader.h> | |
27 #include <string.h> | |
28 #include <iostream> | |
1814 | 29 #include <algorithm> |
1802 | 30 |
31 static OrthancPluginContext* context_ = NULL; | |
32 static std::string folder_; | |
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33 static bool filterIssuerAet_ = false; |
1802 | 34 |
35 /** | |
36 * This is the main function for matching a DICOM worklist against a query. | |
37 **/ | |
2214 | 38 static void MatchWorklist(OrthancPluginWorklistAnswers* answers, |
39 const OrthancPluginWorklistQuery* query, | |
40 const OrthancPlugins::FindMatcher& matcher, | |
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41 const std::string& path) |
1802 | 42 { |
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43 OrthancPlugins::MemoryBuffer dicom(context_); |
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44 dicom.ReadFile(path); |
1802 | 45 |
2214 | 46 if (matcher.IsMatch(dicom)) |
1802 | 47 { |
48 // This DICOM file matches the worklist query, add it to the answers | |
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49 OrthancPluginErrorCode code = OrthancPluginWorklistAddAnswer |
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50 (context_, answers, query, dicom.GetData(), dicom.GetSize()); |
1802 | 51 |
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52 if (code != OrthancPluginErrorCode_Success) |
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53 { |
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54 OrthancPlugins::LogError(context_, "Error while adding an answer to a worklist request"); |
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55 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(code); |
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56 } |
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57 } |
1814 | 58 } |
59 | |
60 | |
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61 static OrthancPlugins::FindMatcher* CreateMatcher(const OrthancPluginWorklistQuery* query, |
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62 const char* issuerAet) |
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63 { |
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64 // Extract the DICOM instance underlying the C-Find query |
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65 OrthancPlugins::MemoryBuffer dicom(context_); |
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66 dicom.GetDicomQuery(query); |
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67 |
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68 // Convert the DICOM as JSON, and dump it to the user in "--verbose" mode |
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69 Json::Value json; |
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70 dicom.DicomToJson(json, OrthancPluginDicomToJsonFormat_Short, |
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71 static_cast<OrthancPluginDicomToJsonFlags>(0), 0); |
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72 |
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73 OrthancPlugins::LogInfo(context_, "Received worklist query from remote modality " + |
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74 std::string(issuerAet) + ":\n" + json.toStyledString()); |
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75 |
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76 if (!filterIssuerAet_) |
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77 { |
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78 return new OrthancPlugins::FindMatcher(context_, query); |
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79 } |
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80 else |
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81 { |
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82 // Alternative sample showing how to fine-tune an incoming C-Find |
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83 // request, before matching it against the worklist database. The |
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84 // code below will restrict the original DICOM request by |
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85 // requesting the ScheduledStationAETitle to correspond to the AET |
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86 // of the C-Find issuer. This code will make the integration test |
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87 // "test_filter_issuer_aet" succeed (cf. the orthanc-tests repository). |
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88 |
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89 static const char* SCHEDULED_PROCEDURE_STEP_SEQUENCE = "0040,0100"; |
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90 static const char* SCHEDULED_STATION_AETITLE = "0040,0001"; |
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91 |
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92 if (!json.isMember(SCHEDULED_PROCEDURE_STEP_SEQUENCE)) |
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93 { |
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94 // Create a ScheduledProcedureStepSequence sequence, with one empty element |
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95 json[SCHEDULED_PROCEDURE_STEP_SEQUENCE] = Json::arrayValue; |
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96 json[SCHEDULED_PROCEDURE_STEP_SEQUENCE].append(Json::objectValue); |
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97 } |
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98 |
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99 Json::Value& v = json[SCHEDULED_PROCEDURE_STEP_SEQUENCE]; |
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100 |
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101 if (v.type() != Json::arrayValue || |
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102 v.size() != 1 || |
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103 v[0].type() != Json::objectValue) |
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104 { |
2236 | 105 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); |
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106 } |
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107 |
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108 // Set the ScheduledStationAETitle if none was provided |
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109 if (!v[0].isMember(SCHEDULED_STATION_AETITLE) || |
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110 v[0].type() != Json::stringValue || |
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111 v[0][SCHEDULED_STATION_AETITLE].asString().size() == 0 || |
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112 v[0][SCHEDULED_STATION_AETITLE].asString() == "*") |
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113 { |
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114 v[0][SCHEDULED_STATION_AETITLE] = issuerAet; |
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115 } |
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116 |
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117 if (json.isMember("0010,21c0") && |
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118 json["0010,21c0"].asString().size() == 0) |
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119 { |
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120 json.removeMember("0010,21c0"); |
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121 } |
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122 |
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123 // Encode the modified JSON as a DICOM instance, then convert it to a C-Find matcher |
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124 OrthancPlugins::MemoryBuffer modified(context_); |
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125 modified.CreateDicom(json, OrthancPluginCreateDicomFlags_None); |
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126 return new OrthancPlugins::FindMatcher(context_, modified); |
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127 } |
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128 } |
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129 |
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130 |
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131 |
1802 | 132 OrthancPluginErrorCode Callback(OrthancPluginWorklistAnswers* answers, |
133 const OrthancPluginWorklistQuery* query, | |
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134 const char* issuerAet, |
1802 | 135 const char* calledAet) |
136 { | |
137 try | |
138 { | |
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139 // Construct an object to match the worklists in the database against the C-Find query |
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140 std::auto_ptr<OrthancPlugins::FindMatcher> matcher(CreateMatcher(query, issuerAet)); |
1911 | 141 |
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142 // Loop over the regular files in the database folder |
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143 namespace fs = boost::filesystem; |
2214 | 144 |
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145 fs::path source(folder_); |
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146 fs::directory_iterator end; |
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147 |
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148 try |
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149 { |
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150 for (fs::directory_iterator it(source); it != end; ++it) |
1802 | 151 { |
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152 fs::file_type type(it->status().type()); |
1814 | 153 |
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154 if (type == fs::regular_file || |
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155 type == fs::reparse_file) // cf. BitBucket issue #11 |
1802 | 156 { |
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157 std::string extension = fs::extension(it->path()); |
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158 std::transform(extension.begin(), extension.end(), extension.begin(), tolower); // Convert to lowercase |
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159 |
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160 if (extension == ".wl") |
1802 | 161 { |
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162 // We found a worklist (i.e. a DICOM find with extension ".wl"), match it against the query |
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163 MatchWorklist(answers, query, *matcher, it->path().string()); |
1802 | 164 } |
165 } | |
166 } | |
167 } | |
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168 catch (fs::filesystem_error&) |
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169 { |
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170 OrthancPlugins::LogError(context_, "Inexistent folder while scanning for worklists: " + source.string()); |
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171 return OrthancPluginErrorCode_DirectoryExpected; |
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172 } |
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173 |
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174 // Uncomment the following line if too many answers are to be returned |
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175 // OrthancPluginMarkWorklistAnswersIncomplete(context_, answers); |
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176 |
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177 return OrthancPluginErrorCode_Success; |
1802 | 178 } |
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179 catch (OrthancPlugins::PluginException& e) |
1802 | 180 { |
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181 return e.GetErrorCode(); |
1802 | 182 } |
183 } | |
184 | |
185 | |
186 extern "C" | |
187 { | |
188 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* c) | |
189 { | |
190 context_ = c; | |
191 | |
192 /* Check the version of the Orthanc core */ | |
193 if (OrthancPluginCheckVersion(c) == 0) | |
194 { | |
195 char info[1024]; | |
196 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", | |
197 context_->orthancVersion, | |
198 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, | |
199 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, | |
200 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); | |
201 OrthancPluginLogError(context_, info); | |
202 return -1; | |
203 } | |
204 | |
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205 OrthancPlugins::LogWarning(context_, "Sample worklist plugin is initializing"); |
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206 OrthancPluginSetDescription(context_, "Serve DICOM modality worklists from a folder with Orthanc."); |
1802 | 207 |
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208 OrthancPlugins::OrthancConfiguration configuration(context_); |
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209 |
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210 OrthancPlugins::OrthancConfiguration worklists; |
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211 configuration.GetSection(worklists, "Worklists"); |
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212 |
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213 bool enabled = worklists.GetBooleanValue("Enable", false); |
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214 if (enabled) |
1802 | 215 { |
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216 if (worklists.LookupStringValue(folder_, "Database")) |
1802 | 217 { |
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218 OrthancPlugins::LogWarning(context_, "The database of worklists will be read from folder: " + folder_); |
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219 OrthancPluginRegisterWorklistCallback(context_, Callback); |
1802 | 220 } |
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221 else |
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222 { |
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223 OrthancPlugins::LogError(context_, "The configuration option \"Worklists.Database\" must contain a path"); |
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224 return -1; |
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225 } |
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226 |
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227 filterIssuerAet_ = worklists.GetBooleanValue("FilterIssuerAet", false); |
1802 | 228 } |
229 else | |
230 { | |
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231 OrthancPlugins::LogWarning(context_, "Worklist server is disabled by the configuration file"); |
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232 } |
1802 | 233 |
234 return 0; | |
235 } | |
236 | |
237 | |
238 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
239 { | |
240 OrthancPluginLogWarning(context_, "Sample worklist plugin is finalizing"); | |
241 } | |
242 | |
243 | |
244 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
245 { | |
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246 return "worklists"; |
1802 | 247 } |
248 | |
249 | |
250 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
251 { | |
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252 return MODALITY_WORKLISTS_VERSION; |
1802 | 253 } |
254 } |