Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Loaders/GenericLoadersContext.cpp @ 1939:efed41b76dc7
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author | Alain Mazy <am@osimis.io> |
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date | Tue, 10 May 2022 15:58:58 +0200 |
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children | 07964689cb0b |
rev | line source |
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1 /** |
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2 * Stone of Orthanc |
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
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7 * |
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8 * This program is free software: you can redistribute it and/or |
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9 * modify it under the terms of the GNU Lesser General Public License |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
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12 * |
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13 * This program is distributed in the hope that it will be useful, but |
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * Lesser General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
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21 **/ |
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23 |
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24 #include "GenericLoadersContext.h" |
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25 |
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26 namespace OrthancStone |
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27 { |
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28 class GenericLoadersContext::Locker : public ILoadersContext::ILock |
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29 { |
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30 private: |
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31 GenericLoadersContext& that_; |
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32 boost::recursive_mutex::scoped_lock lock_; |
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33 |
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34 public: |
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36 that_(that), |
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37 lock_(that.mutex_) |
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38 { |
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39 if (!that_.scheduler_) |
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40 { |
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41 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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42 } |
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43 } |
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44 |
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45 virtual ILoadersContext& GetContext() const ORTHANC_OVERRIDE |
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46 { |
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47 return that_; |
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48 }; |
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49 |
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50 virtual void AddLoader(boost::shared_ptr<IObserver> loader) ORTHANC_OVERRIDE |
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51 { |
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52 that_.loaders_.push_back(loader); |
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53 } |
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54 |
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55 virtual IObservable& GetOracleObservable() const ORTHANC_OVERRIDE |
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56 { |
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57 return that_.oracleObservable_; |
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58 } |
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59 |
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60 virtual void Schedule(boost::shared_ptr<IObserver> receiver, |
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61 int priority, |
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62 IOracleCommand* command /* Takes ownership */) ORTHANC_OVERRIDE |
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63 { |
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64 that_.scheduler_->Schedule(receiver, priority, command); |
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65 }; |
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66 |
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67 virtual void CancelRequests(boost::shared_ptr<IObserver> receiver) ORTHANC_OVERRIDE |
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68 { |
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69 that_.scheduler_->CancelRequests(receiver); |
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70 } |
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71 |
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72 virtual void CancelAllRequests() ORTHANC_OVERRIDE |
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73 { |
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74 that_.scheduler_->CancelAllRequests(); |
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75 } |
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76 |
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77 virtual void GetStatistics(uint64_t& scheduledCommands, |
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78 uint64_t& processedCommands) ORTHANC_OVERRIDE |
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79 { |
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80 scheduledCommands = that_.scheduler_->GetTotalScheduled(); |
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81 processedCommands = that_.scheduler_->GetTotalProcessed(); |
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82 } |
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83 }; |
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84 |
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85 |
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86 void GenericLoadersContext::EmitMessage(boost::weak_ptr<IObserver> observer, |
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87 const IMessage& message) |
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88 { |
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89 boost::recursive_mutex::scoped_lock lock(mutex_); |
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90 //LOG(INFO) << " inside emit lock: " << message.GetIdentifier().AsString(); |
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91 oracleObservable_.EmitMessage(observer, message); |
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92 //LOG(INFO) << " outside emit lock"; |
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93 } |
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94 |
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95 |
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96 GenericLoadersContext::GenericLoadersContext(unsigned int maxHighPriority, |
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97 unsigned int maxStandardPriority, |
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98 unsigned int maxLowPriority) |
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99 { |
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100 oracle_.reset(new ThreadedOracle(*this)); |
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101 scheduler_ = OracleScheduler::Create(*oracle_, oracleObservable_, *this, |
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102 maxHighPriority, maxStandardPriority, maxLowPriority); |
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103 |
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104 if (!scheduler_) |
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105 { |
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106 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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107 } |
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108 } |
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109 |
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110 |
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111 GenericLoadersContext::~GenericLoadersContext() |
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112 { |
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113 LOG(INFO) << "scheduled commands: " << scheduler_->GetTotalScheduled() |
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114 << ", processed commands: " << scheduler_->GetTotalProcessed(); |
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115 scheduler_.reset(); |
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116 //LOG(INFO) << "counter: " << scheduler_.use_count(); |
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117 } |
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118 |
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119 |
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120 void GenericLoadersContext::SetOrthancParameters(const Orthanc::WebServiceParameters& parameters) |
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121 { |
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122 boost::recursive_mutex::scoped_lock lock(mutex_); |
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123 oracle_->SetOrthancParameters(parameters); |
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124 } |
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125 |
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126 |
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127 void GenericLoadersContext::SetRootDirectory(const std::string& root) |
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128 { |
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129 boost::recursive_mutex::scoped_lock lock(mutex_); |
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130 oracle_->SetRootDirectory(root); |
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131 } |
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132 |
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133 |
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134 void GenericLoadersContext::SetDicomCacheSize(size_t size) |
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135 { |
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136 boost::recursive_mutex::scoped_lock lock(mutex_); |
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137 oracle_->SetDicomCacheSize(size); |
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138 } |
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139 |
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140 |
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141 void GenericLoadersContext::StartOracle() |
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142 { |
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143 boost::recursive_mutex::scoped_lock lock(mutex_); |
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144 oracle_->Start(); |
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145 //LOG(INFO) << "STARTED ORACLE"; |
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146 } |
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147 |
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148 |
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149 void GenericLoadersContext::StopOracle() |
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150 { |
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151 /** |
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152 * DON'T lock "mutex_" here, otherwise Stone won't be able to |
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153 * stop if one command being executed by the oracle has to emit |
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154 * a message (method "EmitMessage()" would have to lock the |
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155 * mutex too). |
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156 **/ |
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157 |
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158 //LOG(INFO) << "STOPPING ORACLE"; |
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159 oracle_->Stop(); |
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160 //LOG(INFO) << "STOPPED ORACLE"; |
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161 } |
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162 |
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163 |
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164 void GenericLoadersContext::WaitUntilComplete() |
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165 { |
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166 for (;;) |
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167 { |
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168 { |
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169 boost::recursive_mutex::scoped_lock lock(mutex_); |
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170 if (scheduler_ && |
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171 scheduler_->GetTotalScheduled() == scheduler_->GetTotalProcessed()) |
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172 { |
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173 return; |
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174 } |
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175 } |
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176 |
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177 boost::this_thread::sleep(boost::posix_time::milliseconds(100)); |
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178 } |
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179 } |
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180 |
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181 ILoadersContext::ILock* GenericLoadersContext::Lock() |
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182 { |
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183 return new Locker(*this); |
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184 } |
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185 } |