Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Cache/MemoryStringCache.h @ 5031:eec3e4a91663 delayed-deletion
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author | Alain Mazy <am@osimis.io> |
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date | Tue, 21 Jun 2022 17:29:36 +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) 2017-2022 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 "MemoryObjectCache.h" |
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27 |
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28 namespace Orthanc |
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29 { |
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30 /** |
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31 * Facade object around "MemoryObjectCache" that caches a dictionary |
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32 * of strings, using the "fetch/add" paradigm of memcached. |
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33 * |
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34 * Note: this class is thread safe |
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35 **/ |
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36 class ORTHANC_PUBLIC MemoryStringCache : public boost::noncopyable |
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37 { |
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38 private: |
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39 class StringValue; |
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40 |
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41 MemoryObjectCache cache_; |
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42 |
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43 public: |
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44 size_t GetMaximumSize(); |
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45 |
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46 void SetMaximumSize(size_t size); |
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47 |
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48 void Add(const std::string& key, |
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49 const std::string& value); |
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50 |
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51 void Add(const std::string& key, |
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52 const void* buffer, |
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53 size_t size); |
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54 |
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55 void Invalidate(const std::string& key); |
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56 |
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57 bool Fetch(std::string& value, |
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58 const std::string& key); |
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59 }; |
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60 } |