Mercurial > hg > orthanc
view Core/Cache/MemoryStringCache.cpp @ 3686:a79aecf1f9ae
cont
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 24 Feb 2020 18:09:38 +0100 |
parents | 94f4a18a79cc |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "../PrecompiledHeaders.h" #include "MemoryStringCache.h" namespace Orthanc { class MemoryStringCache::StringValue : public ICacheable { private: std::string content_; public: StringValue(const std::string& content) : content_(content) { } const std::string& GetContent() const { return content_; } virtual size_t GetMemoryUsage() const { return content_.size(); } }; void MemoryStringCache::Add(const std::string& key, const std::string& value) { cache_.Acquire(key, new StringValue(value)); } bool MemoryStringCache::Fetch(std::string& value, const std::string& key) { MemoryObjectCache::Accessor reader(cache_, key, false /* multiple readers are allowed */); if (reader.IsValid()) { value = dynamic_cast<StringValue&>(reader.GetValue()).GetContent(); return true; } else { return false; } } }