Mercurial > hg > orthanc
comparison OrthancFramework/Sources/FileStorage/StorageCache.cpp @ 4792:434843934307 storage-cache
Added a StorageCache in the StorageAccessor
author | Alain Mazy <am@osimis.io> |
---|---|
date | Thu, 30 Sep 2021 12:14:19 +0200 |
parents | |
children | 6c276fac0cc0 |
comparison
equal
deleted
inserted
replaced
4790:9754d5f2f38a | 4792:434843934307 |
---|---|
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) 2017-2021 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 Lesser 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 * Lesser General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Lesser General Public | |
18 * License along with this program. If not, see | |
19 * <http://www.gnu.org/licenses/>. | |
20 **/ | |
21 | |
22 | |
23 #include "../PrecompiledHeaders.h" | |
24 #include "StorageCache.h" | |
25 | |
26 #include "../Compatibility.h" | |
27 #include "../OrthancException.h" | |
28 | |
29 | |
30 | |
31 namespace Orthanc | |
32 { | |
33 bool IsAcceptedContentType(FileContentType contentType) | |
34 { | |
35 return contentType == FileContentType_Dicom || | |
36 contentType == FileContentType_DicomUntilPixelData || | |
37 contentType == FileContentType_DicomAsJson; | |
38 } | |
39 | |
40 const char* ToString(FileContentType contentType) | |
41 { | |
42 switch (contentType) | |
43 { | |
44 case FileContentType_Dicom: | |
45 return "dicom"; | |
46 case FileContentType_DicomUntilPixelData: | |
47 return "dicom-header"; | |
48 case FileContentType_DicomAsJson: | |
49 return "dicom-json"; | |
50 default: | |
51 throw OrthancException(ErrorCode_InternalError, | |
52 "ContentType not supported in StorageCache"); | |
53 } | |
54 } | |
55 | |
56 void GetCacheKey(std::string& key, const std::string& uuid, FileContentType contentType) | |
57 { | |
58 key = uuid + ":" + std::string(ToString(contentType)); | |
59 } | |
60 | |
61 void StorageCache::SetMaximumSize(size_t size) | |
62 { | |
63 cache_.SetMaximumSize(size); | |
64 } | |
65 | |
66 void StorageCache::Add(const std::string& uuid, | |
67 FileContentType contentType, | |
68 const std::string& value) | |
69 { | |
70 if (!IsAcceptedContentType(contentType)) | |
71 { | |
72 return; | |
73 } | |
74 | |
75 std::string key; | |
76 GetCacheKey(key, uuid, contentType); | |
77 cache_.Add(key, value); | |
78 } | |
79 | |
80 void StorageCache::Add(const std::string& uuid, | |
81 FileContentType contentType, | |
82 const void* buffer, | |
83 size_t size) | |
84 { | |
85 if (!IsAcceptedContentType(contentType)) | |
86 { | |
87 return; | |
88 } | |
89 | |
90 std::string key; | |
91 GetCacheKey(key, uuid, contentType); | |
92 cache_.Add(key, buffer, size); | |
93 } | |
94 | |
95 void StorageCache::Invalidate(const std::string& uuid, FileContentType contentType) | |
96 { | |
97 std::string key; | |
98 GetCacheKey(key, uuid, contentType); | |
99 cache_.Invalidate(key); | |
100 } | |
101 | |
102 bool StorageCache::Fetch(std::string& value, | |
103 const std::string& uuid, | |
104 FileContentType contentType) | |
105 { | |
106 if (!IsAcceptedContentType(contentType)) | |
107 { | |
108 return false; | |
109 } | |
110 | |
111 std::string key; | |
112 GetCacheKey(key, uuid, contentType); | |
113 | |
114 return cache_.Fetch(value, key); | |
115 } | |
116 | |
117 | |
118 } |