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comparison ViewerPlugin/DicomPyramidCache.h @ 73:a8c90aa32ca6

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LRU caching of pyramids, OrthancWSIClearCache script
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 28 Nov 2016 16:51:19 +0100
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children ff0ef01c332c
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72:ea6309f70f1f 73:a8c90aa32ca6
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU Affero General Public License
8 * as published by the Free Software Foundation, either version 3 of
9 * the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Affero General Public License for more details.
15 *
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 **/
19
20
21 #pragma once
22
23 #include "../Framework/Inputs/DicomPyramid.h"
24 #include "../Resources/Orthanc/Core/Cache/LeastRecentlyUsedIndex.h"
25
26 #include <boost/thread/mutex.hpp>
27
28 namespace OrthancWSI
29 {
30 class DicomPyramidCache : public boost::noncopyable
31 {
32 private:
33 typedef Orthanc::LeastRecentlyUsedIndex<std::string, DicomPyramid*> Cache;
34
35 boost::mutex mutex_;
36 OrthancPlugins::IOrthancConnection& orthanc_;
37 size_t maxSize_;
38 Cache cache_;
39
40
41 DicomPyramid* GetCachedPyramid(const std::string& seriesId);
42
43 DicomPyramid& GetPyramid(const std::string& seriesId,
44 boost::mutex::scoped_lock& lock);
45
46 public:
47 DicomPyramidCache(OrthancPlugins::IOrthancConnection& orthanc,
48 size_t maxSize);
49
50 ~DicomPyramidCache();
51
52 void Invalidate(const std::string& seriesId);
53
54 class Locker : public boost::noncopyable
55 {
56 private:
57 boost::mutex::scoped_lock lock_;
58 DicomPyramid& pyramid_;
59
60 public:
61 Locker(DicomPyramidCache& cache,
62 const std::string& seriesId);
63
64 DicomPyramid& GetPyramid() const
65 {
66 return pyramid_;
67 }
68 };
69 };
70 }