Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Loaders/IFetchingStrategy.h @ 1928:c73e696967b0 StoneWebViewer-2.3
StoneWebViewer-2.3
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 24 Mar 2022 09:08:51 +0100 |
| parents | 7053b8a0aaec |
| children | 07964689cb0b |
| rev | line source |
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| 708 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 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 |
| 708 | 7 * |
| 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 |
| 708 | 10 * as published by the Free Software Foundation, either version 3 of |
| 11 * the License, or (at your option) any later version. | |
| 12 * | |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 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/>. |
| 708 | 21 **/ |
| 22 | |
| 23 | |
| 24 #pragma once | |
| 25 | |
| 26 #include <boost/noncopyable.hpp> | |
| 27 | |
| 28 namespace OrthancStone | |
| 29 { | |
| 30 class IFetchingStrategy : public boost::noncopyable | |
| 31 { | |
| 32 public: | |
| 33 virtual ~IFetchingStrategy() | |
| 34 { | |
| 35 } | |
| 36 | |
| 37 virtual unsigned int GetItemsCount() const = 0; | |
| 38 | |
| 39 virtual unsigned int GetMaxQuality() const = 0; | |
| 40 | |
| 41 virtual bool GetNext(unsigned int& item, | |
| 42 unsigned int& quality) = 0; | |
| 43 | |
| 44 virtual void SetCurrent(unsigned int item) = 0; | |
| 45 | |
| 46 // Ask the strategy to re-schedule the item with the lowest | |
| 47 // priority in the fetching order. This allows to know which item | |
| 48 // should be dropped from a cache. | |
| 49 virtual void RecycleFurthest(unsigned int& item) = 0; | |
| 50 }; | |
| 51 }; |