Mercurial > hg > orthanc-databases
annotate Framework/Plugins/StorageBackend.h @ 233:7d46c99523a2
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 06 Apr 2021 15:07:27 +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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3236894320d6
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5 * Copyright (C) 2017-2021 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 Affero 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 * Affero 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 Affero General Public License |
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 **/ |
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20 |
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21 |
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22 #pragma once |
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23 |
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24 #include "../Common/DatabaseManager.h" |
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25 |
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26 #include <orthanc/OrthancCDatabasePlugin.h> |
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27 |
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28 #include <boost/thread/mutex.hpp> |
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29 |
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30 |
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31 namespace OrthancDatabases |
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32 { |
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33 class StorageBackend : public boost::noncopyable |
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34 { |
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35 private: |
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36 boost::mutex mutex_; |
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37 std::unique_ptr<DatabaseManager> manager_; |
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38 |
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39 DatabaseManager& GetManager(); |
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40 |
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41 protected: |
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42 void SetDatabase(IDatabase* database); // Takes ownership |
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43 |
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44 public: |
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45 class IFileContentVisitor : public boost::noncopyable |
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46 { |
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47 public: |
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48 virtual ~IFileContentVisitor() |
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49 { |
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50 } |
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51 |
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52 virtual void Assign(const std::string& content) = 0; |
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53 |
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54 virtual bool IsSuccess() const = 0; |
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55 }; |
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56 |
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57 class Accessor : public boost::noncopyable |
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58 { |
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59 private: |
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60 boost::mutex::scoped_lock lock_; |
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61 DatabaseManager& manager_; |
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62 |
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63 public: |
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64 Accessor(StorageBackend& backend) : |
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65 lock_(backend.mutex_), |
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66 manager_(backend.GetManager()) |
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67 { |
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68 } |
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69 |
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70 void Create(const std::string& uuid, |
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71 const void* content, |
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72 size_t size, |
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73 OrthancPluginContentType type); |
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74 |
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75 void Read(IFileContentVisitor& visitor, |
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76 const std::string& uuid, |
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77 OrthancPluginContentType type); |
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78 |
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79 void Remove(const std::string& uuid, |
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80 OrthancPluginContentType type); |
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81 |
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82 // For unit tests |
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83 void ReadToString(std::string& target, |
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84 const std::string& uuid, |
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85 OrthancPluginContentType type); |
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86 }; |
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87 |
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88 virtual ~StorageBackend() |
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89 { |
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90 } |
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92 static void Register(OrthancPluginContext* context, |
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93 StorageBackend* backend); // Takes ownership |
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94 |
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95 static void Finalize(); |
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96 }; |
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97 } |