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annotate OrthancStone/Sources/Toolbox/ParsedDicomCache.h @ 2077:07964689cb0b

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 12 Jul 2023 21:20:22 +0200
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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) 2017-2023 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 <DicomParsing/ParsedDicomFile.h>
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28
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29 namespace OrthancStone
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30 {
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31 class 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 static std::string GetIndex(unsigned int bucket,
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37 const std::string& bucketKey);
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38
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39 Orthanc::MemoryObjectCache cache_;
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40 size_t lowCacheSizeWarning_;
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41
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42 public:
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43 explicit ParsedDicomCache(size_t size) :
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44 lowCacheSizeWarning_(0)
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45 {
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46 cache_.SetMaximumSize(size);
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47 }
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48
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49 void Invalidate(unsigned int bucket,
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50 const std::string& bucketKey)
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51 {
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52 cache_.Invalidate(GetIndex(bucket, bucketKey));
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53 }
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54
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55 void Acquire(unsigned int bucket,
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56 const std::string& bucketKey,
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57 Orthanc::ParsedDicomFile* dicom,
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58 size_t fileSize,
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59 bool hasPixelData);
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60
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61 class Reader : public boost::noncopyable
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62 {
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63 private:
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64 Orthanc::MemoryObjectCache::Accessor accessor_;
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65 Item* item_;
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66
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67 public:
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68 Reader(ParsedDicomCache& cache,
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69 unsigned int bucket,
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70 const std::string& bucketKey);
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71
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72 bool IsValid() const
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73 {
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74 return item_ != NULL;
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75 }
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76
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77 bool HasPixelData() const;
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78
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79 Orthanc::ParsedDicomFile& GetDicom() const;
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80
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81 size_t GetFileSize() const;
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82 };
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83 };
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84 }