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annotate Framework/Plugins/IndexConnectionsPool.h @ 374:4a3985088723 db-protobuf

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moved class IndexConnectionsPool out of DatabaseBackendAdapterV3
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 28 Mar 2023 14:51:17 +0200
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children 824d70ce85ff
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374
4a3985088723 moved class IndexConnectionsPool out of DatabaseBackendAdapterV3
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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) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 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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24
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25 #include "IndexBackend.h"
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26
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27 #include <MultiThreading/SharedMessageQueue.h>
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28
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29 namespace OrthancDatabases
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30 {
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31 class IndexConnectionsPool : public boost::noncopyable
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32 {
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33 private:
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34 class ManagerReference;
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35
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36 std::unique_ptr<IndexBackend> backend_;
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37 OrthancPluginContext* context_;
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38 boost::shared_mutex connectionsMutex_;
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39 size_t countConnections_;
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40 std::list<DatabaseManager*> connections_;
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41 Orthanc::SharedMessageQueue availableConnections_;
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42
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43 public:
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44 IndexConnectionsPool(IndexBackend* backend,
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45 size_t countConnections);
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46
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47 ~IndexConnectionsPool();
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48
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49 OrthancPluginContext* GetContext() const
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50 {
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51 return context_;
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52 }
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53
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54 void OpenConnections();
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55
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56 void CloseConnections();
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57
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58 class Accessor : public boost::noncopyable
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59 {
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60 private:
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61 boost::shared_lock<boost::shared_mutex> lock_;
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62 IndexConnectionsPool& pool_;
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63 DatabaseManager* manager_;
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64
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65 public:
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66 Accessor(IndexConnectionsPool& pool);
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67
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68 ~Accessor();
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69
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70 IndexBackend& GetBackend() const;
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71
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72 DatabaseManager& GetManager() const;
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73 };
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74 };
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75 }