Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Cache/MemoryStringCache.cpp @ 4268:0ae2ca210077
new macro TLOG() to replace VLOG() for trace logs with a category
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 02 Nov 2020 14:48:15 +0100 |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
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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) 2017-2020 Osimis S.A., Belgium |
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6 * |
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7 * This program is free software: you can redistribute it and/or |
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8 * modify it under the terms of the GNU Lesser General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, but |
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
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20 **/ |
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21 |
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22 |
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23 #include "../PrecompiledHeaders.h" |
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24 #include "MemoryStringCache.h" |
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25 |
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26 namespace Orthanc |
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27 { |
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28 class MemoryStringCache::StringValue : public ICacheable |
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29 { |
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30 private: |
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31 std::string content_; |
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32 |
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33 public: |
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35 content_(content) |
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36 { |
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37 } |
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38 |
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39 const std::string& GetContent() const |
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40 { |
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41 return content_; |
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42 } |
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43 |
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44 virtual size_t GetMemoryUsage() const |
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45 { |
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46 return content_.size(); |
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47 } |
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48 }; |
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49 |
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50 |
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51 void MemoryStringCache::Add(const std::string& key, |
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52 const std::string& value) |
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53 { |
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54 cache_.Acquire(key, new StringValue(value)); |
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55 } |
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56 |
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58 bool MemoryStringCache::Fetch(std::string& value, |
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59 const std::string& key) |
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60 { |
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61 MemoryObjectCache::Accessor reader(cache_, key, false /* multiple readers are allowed */); |
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62 |
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63 if (reader.IsValid()) |
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64 { |
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65 value = dynamic_cast<StringValue&>(reader.GetValue()).GetContent(); |
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66 return true; |
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67 } |
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68 else |
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69 { |
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70 return false; |
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71 } |
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72 } |
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73 } |