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annotate ViewerPlugin/DicomPyramidCache.h @ 79:304a5dc5b8ec

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 28 Nov 2016 18:44:09 +0100
parents a8c90aa32ca6
children ff0ef01c332c
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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 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU Affero General Public License
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8 * as published by the Free Software Foundation, either version 3 of
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9 * the License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Affero General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Affero General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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19
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20
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21 #pragma once
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22
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23 #include "../Framework/Inputs/DicomPyramid.h"
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24 #include "../Resources/Orthanc/Core/Cache/LeastRecentlyUsedIndex.h"
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25
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26 #include <boost/thread/mutex.hpp>
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27
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28 namespace OrthancWSI
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29 {
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30 class DicomPyramidCache : public boost::noncopyable
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31 {
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32 private:
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33 typedef Orthanc::LeastRecentlyUsedIndex<std::string, DicomPyramid*> Cache;
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34
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35 boost::mutex mutex_;
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36 OrthancPlugins::IOrthancConnection& orthanc_;
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37 size_t maxSize_;
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38 Cache cache_;
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39
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40
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41 DicomPyramid* GetCachedPyramid(const std::string& seriesId);
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42
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43 DicomPyramid& GetPyramid(const std::string& seriesId,
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44 boost::mutex::scoped_lock& lock);
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45
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46 public:
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47 DicomPyramidCache(OrthancPlugins::IOrthancConnection& orthanc,
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48 size_t maxSize);
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49
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50 ~DicomPyramidCache();
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51
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52 void Invalidate(const std::string& seriesId);
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53
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54 class Locker : public boost::noncopyable
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55 {
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56 private:
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57 boost::mutex::scoped_lock lock_;
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58 DicomPyramid& pyramid_;
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59
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60 public:
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61 Locker(DicomPyramidCache& cache,
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62 const std::string& seriesId);
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63
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64 DicomPyramid& GetPyramid() const
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65 {
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66 return pyramid_;
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67 }
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68 };
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69 };
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70 }