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annotate OrthancFramework/Sources/DicomParsing/ParsedDicomCache.h @ 5381:be0b9c407985

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simplifying new signature of Toolbox::ComputeMD5()
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 04 Sep 2023 07:44:52 +0200
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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) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2023 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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22
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23
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24 #pragma once
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25
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26 #include "../Cache/MemoryObjectCache.h"
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27 #include "ParsedDicomFile.h"
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28
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29 namespace Orthanc
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30 {
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31 class ORTHANC_PUBLIC ParsedDicomCache : public boost::noncopyable
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32 {
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33 private:
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34 class Item;
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35
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36 #if !defined(__EMSCRIPTEN__)
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37 boost::mutex mutex_;
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38 #endif
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39
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40 size_t cacheSize_;
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41 std::unique_ptr<MemoryObjectCache> cache_;
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42 std::unique_ptr<ParsedDicomFile> largeDicom_;
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43 std::string largeId_;
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44 size_t largeSize_;
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45
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46 public:
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47 explicit ParsedDicomCache(size_t size);
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48
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49 size_t GetNumberOfItems(); // For unit tests only
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50
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51 size_t GetCurrentSize(); // For unit tests only
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52
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53 void Invalidate(const std::string& id);
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54
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55 void Acquire(const std::string& id,
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56 ParsedDicomFile* dicom, // Takes ownership
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57 size_t fileSize);
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58
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59 class ORTHANC_PUBLIC Accessor : public boost::noncopyable
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60 {
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61 private:
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62 #if !defined(__EMSCRIPTEN__)
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63 boost::mutex::scoped_lock lock_;
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64 #endif
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65
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66 std::string id_;
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67 ParsedDicomFile* file_;
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68 size_t fileSize_;
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69
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70 std::unique_ptr<MemoryObjectCache::Accessor> accessor_;
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71
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72 public:
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73 Accessor(ParsedDicomCache& that,
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74 const std::string& id);
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75
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76 bool IsValid() const;
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77
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78 ParsedDicomFile& GetDicom() const;
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79
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80 size_t GetFileSize() const;
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81 };
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82 };
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83 }