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annotate OrthancFramework/Sources/FileStorage/StorageCache.h @ 4984:c8cdf5163cd2

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author Alain Mazy <am@osimis.io>
date Mon, 25 Apr 2022 18:54:45 +0200
parents f656fb878b50
children 0ea402b4d901
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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 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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22
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23
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24 #pragma once
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25
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26 #include "../Cache/MemoryStringCache.h"
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27
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28 #include "../Compatibility.h" // For ORTHANC_OVERRIDE
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29
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30 #include <boost/thread/mutex.hpp>
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31 #include <map>
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32
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33 namespace Orthanc
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34 {
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35 /**
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36 * Note: this class is thread safe
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37 **/
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38 class ORTHANC_PUBLIC StorageCache : public boost::noncopyable
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39 {
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40 private:
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41 MemoryStringCache cache_;
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42
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43 public:
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44 void SetMaximumSize(size_t size);
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45
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46 void Add(const std::string& uuid,
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47 FileContentType contentType,
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48 const std::string& value);
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49
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50 void AddStartRange(const std::string& uuid,
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51 FileContentType contentType,
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52 const std::string& value);
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53
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54 void Add(const std::string& uuid,
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55 FileContentType contentType,
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56 const void* buffer,
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57 size_t size);
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58
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59 void Invalidate(const std::string& uuid,
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60 FileContentType contentType);
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61
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62 bool Fetch(std::string& value,
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63 const std::string& uuid,
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64 FileContentType contentType);
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65
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66 bool FetchStartRange(std::string& value,
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67 const std::string& uuid,
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68 FileContentType contentType,
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69 uint64_t end /* exclusive */);
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70
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71 };
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72 }