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comparison OrthancFramework/Sources/Cache/SharedArchive.h @ 4044:d25f4c0fa160 framework

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splitting code into OrthancFramework and OrthancServer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 10 Jun 2020 20:30:34 +0200
parents Core/Cache/SharedArchive.h@94f4a18a79cc
children e00f3d089991
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4043:6c6239aec462 4044:d25f4c0fa160
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 * 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 General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
11 *
12 * In addition, as a special exception, the copyright holders of this
13 * program give permission to link the code of its release with the
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
15 * that use the same license as the "OpenSSL" library), and distribute
16 * the linked executables. You must obey the GNU General Public License
17 * in all respects for all of the code used other than "OpenSSL". If you
18 * modify file(s) with this exception, you may extend this exception to
19 * your version of the file(s), but you are not obligated to do so. If
20 * you do not wish to do so, delete this exception statement from your
21 * version. If you delete this exception statement from all source files
22 * in the program, then also delete it here.
23 *
24 * This program is distributed in the hope that it will be useful, but
25 * WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 * General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 **/
32
33
34 #pragma once
35
36 #if !defined(ORTHANC_SANDBOXED)
37 # error The macro ORTHANC_SANDBOXED must be defined
38 #endif
39
40 #if ORTHANC_SANDBOXED == 1
41 # error The class SharedArchive cannot be used in sandboxed environments
42 #endif
43
44 #include "LeastRecentlyUsedIndex.h"
45 #include "../IDynamicObject.h"
46
47 #include <map>
48 #include <boost/thread.hpp>
49
50 namespace Orthanc
51 {
52 class SharedArchive : public boost::noncopyable
53 {
54 private:
55 typedef std::map<std::string, IDynamicObject*> Archive;
56
57 size_t maxSize_;
58 boost::mutex mutex_;
59 Archive archive_;
60 LeastRecentlyUsedIndex<std::string> lru_;
61
62 void RemoveInternal(const std::string& id);
63
64 public:
65 class Accessor : public boost::noncopyable
66 {
67 private:
68 boost::mutex::scoped_lock lock_;
69 IDynamicObject* item_;
70
71 public:
72 Accessor(SharedArchive& that,
73 const std::string& id);
74
75 bool IsValid() const
76 {
77 return item_ != NULL;
78 }
79
80 IDynamicObject& GetItem() const;
81 };
82
83
84 SharedArchive(size_t maxSize);
85
86 ~SharedArchive();
87
88 std::string Add(IDynamicObject* obj); // Takes the ownership
89
90 void Remove(const std::string& id);
91
92 void List(std::list<std::string>& items);
93 };
94 }
95
96