Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Loaders/IFetchingStrategy.h @ 1716:6aadc7cbb8ea
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 01 Dec 2020 08:58:53 +0100 |
parents | 8563ea5d8ae4 |
children | 9ac2a65d4172 |
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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) 2017-2020 Osimis S.A., Belgium |
708 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
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8 * modify it under the terms of the GNU Lesser General Public License |
708 | 9 * as published by the Free Software Foundation, either version 3 of |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
708 | 20 **/ |
21 | |
22 | |
23 #pragma once | |
24 | |
25 #include <boost/noncopyable.hpp> | |
26 | |
27 namespace OrthancStone | |
28 { | |
29 class IFetchingStrategy : public boost::noncopyable | |
30 { | |
31 public: | |
32 virtual ~IFetchingStrategy() | |
33 { | |
34 } | |
35 | |
36 virtual unsigned int GetItemsCount() const = 0; | |
37 | |
38 virtual unsigned int GetMaxQuality() const = 0; | |
39 | |
40 virtual bool GetNext(unsigned int& item, | |
41 unsigned int& quality) = 0; | |
42 | |
43 virtual void SetCurrent(unsigned int item) = 0; | |
44 | |
45 // Ask the strategy to re-schedule the item with the lowest | |
46 // priority in the fetching order. This allows to know which item | |
47 // should be dropped from a cache. | |
48 virtual void RecycleFurthest(unsigned int& item) = 0; | |
49 }; | |
50 }; |