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annotate Framework/Plugins/IndexConnectionsPool.h @ 416:6b16914b6655

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author Alain Mazy <am@osimis.io>
date Thu, 22 Jun 2023 21:15:50 +0200
parents de6de66d70b2
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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 Affero 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 * Affero 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 Affero General Public License
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19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 **/
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21
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22
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23 #pragma once
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25 #include "IdentifierTag.h"
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26 #include "IndexBackend.h"
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28 #include <MultiThreading/SharedMessageQueue.h>
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30 #include <list>
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31
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32 namespace OrthancDatabases
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33 {
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34 class IndexConnectionsPool : public boost::noncopyable
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35 {
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36 private:
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37 class ManagerReference;
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38
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39 std::unique_ptr<IndexBackend> backend_;
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40 OrthancPluginContext* context_;
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41 boost::shared_mutex connectionsMutex_;
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42 size_t countConnections_;
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43 std::list<DatabaseManager*> connections_;
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44 Orthanc::SharedMessageQueue availableConnections_;
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46 public:
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47 IndexConnectionsPool(IndexBackend* backend /* takes ownership */,
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48 size_t countConnections);
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50 ~IndexConnectionsPool();
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51
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52 OrthancPluginContext* GetContext() const
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53 {
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54 return context_;
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55 }
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56
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57 void OpenConnections(bool hasIdentifierTags,
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58 const std::list<IdentifierTag>& identifierTags);
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60 void CloseConnections();
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61
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62 class Accessor : public boost::noncopyable
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63 {
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64 private:
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65 boost::shared_lock<boost::shared_mutex> lock_;
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66 IndexConnectionsPool& pool_;
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67 DatabaseManager* manager_;
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68
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69 public:
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70 explicit Accessor(IndexConnectionsPool& pool);
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72 ~Accessor();
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73
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74 IndexBackend& GetBackend() const;
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76 DatabaseManager& GetManager() const;
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77 };
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78 };
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79 }