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annotate OrthancFramework/Sources/Cache/SharedArchive.h @ 5344:f41e1f635c4d

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 28 Jun 2023 12:24:52 +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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24 #pragma once
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25
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26 #if !defined(ORTHANC_SANDBOXED)
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27 # error The macro ORTHANC_SANDBOXED must be defined
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28 #endif
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29
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30 #if ORTHANC_SANDBOXED == 1
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31 # error The class SharedArchive cannot be used in sandboxed environments
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32 #endif
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33
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34 #include "LeastRecentlyUsedIndex.h"
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35 #include "../IDynamicObject.h"
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36
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37 #include <map>
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38 #include <boost/thread.hpp>
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39
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40 namespace Orthanc
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41 {
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42 class ORTHANC_PUBLIC SharedArchive : public boost::noncopyable
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43 {
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44 private:
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45 typedef std::map<std::string, IDynamicObject*> Archive;
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46
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47 size_t maxSize_;
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48 boost::recursive_mutex mutex_;
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49 Archive archive_;
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50 LeastRecentlyUsedIndex<std::string> lru_;
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52 void RemoveInternal(const std::string& id);
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53
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54 public:
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55 class ORTHANC_PUBLIC Accessor : public boost::noncopyable
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56 {
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57 private:
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58 boost::recursive_mutex::scoped_lock lock_;
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59 IDynamicObject* item_;
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61 public:
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62 Accessor(SharedArchive& that,
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63 const std::string& id);
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64
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65 bool IsValid() const;
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67 IDynamicObject& GetItem() const;
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68 };
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71 explicit SharedArchive(size_t maxSize);
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73 ~SharedArchive();
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75 std::string Add(IDynamicObject* obj); // Takes the ownership
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76
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77 void Remove(const std::string& id);
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79 void List(std::list<std::string>& items);
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80 };
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81 }
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