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comparison OrthancStone/Sources/Loaders/IFetchingStrategy.h @ 1512:244ad1e4e76a

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reorganization of folders
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jul 2020 16:21:02 +0200
parents Framework/Loaders/IFetchingStrategy.h@2d8ab34c8c91
children 4fb8fdf03314
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1511:9dfeee74c1e6 1512:244ad1e4e76a
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
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
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #pragma once
23
24 #include <boost/noncopyable.hpp>
25
26 namespace OrthancStone
27 {
28 class IFetchingStrategy : public boost::noncopyable
29 {
30 public:
31 virtual ~IFetchingStrategy()
32 {
33 }
34
35 virtual unsigned int GetItemsCount() const = 0;
36
37 virtual unsigned int GetMaxQuality() const = 0;
38
39 virtual bool GetNext(unsigned int& item,
40 unsigned int& quality) = 0;
41
42 virtual void SetCurrent(unsigned int item) = 0;
43
44 // Ask the strategy to re-schedule the item with the lowest
45 // priority in the fetching order. This allows to know which item
46 // should be dropped from a cache.
47 virtual void RecycleFurthest(unsigned int& item) = 0;
48 };
49 };