Mercurial > hg > orthanc-stone
diff Framework/Toolbox/ParsedDicomCache.cpp @ 1149:2da8b4d6f8c1 broker
renamed ParsedDicomFileCache as ParsedDicomCache
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Fri, 15 Nov 2019 12:35:35 +0100 |
parents | Framework/Toolbox/ParsedDicomFileCache.cpp@6333e6f7248e |
children | 48befc2bf66d |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Toolbox/ParsedDicomCache.cpp Fri Nov 15 12:35:35 2019 +0100 @@ -0,0 +1,137 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2019 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Affero General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * 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 + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "ParsedDicomCache.h" + +namespace OrthancStone +{ + class ParsedDicomCache::Item : public Orthanc::ICacheable + { + private: + boost::mutex mutex_; + std::auto_ptr<Orthanc::ParsedDicomFile> dicom_; + size_t fileSize_; + bool hasPixelData_; + + public: + Item(Orthanc::ParsedDicomFile* dicom, + size_t fileSize, + bool hasPixelData) : + dicom_(dicom), + fileSize_(fileSize), + hasPixelData_(hasPixelData) + { + if (dicom == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); + } + } + + boost::mutex& GetMutex() + { + return mutex_; + } + + virtual size_t GetMemoryUsage() const + { + return fileSize_; + } + + Orthanc::ParsedDicomFile& GetDicom() const + { + assert(dicom_.get() != NULL); + return *dicom_; + } + + bool HasPixelData() const + { + return hasPixelData_; + } + }; + + + void ParsedDicomCache::Acquire(const std::string& key, + Orthanc::ParsedDicomFile* dicom, + size_t fileSize, + bool hasPixelData) + { + cache_.Acquire(key, new Item(dicom, fileSize, hasPixelData)); + } + + + ParsedDicomCache::Reader::Reader(ParsedDicomCache& cache, + const std::string& key) : + /** + * The "DcmFileFormat" object cannot be accessed from multiple + * threads, even if using only getters. An unique lock (mutex) is + * mandatory. + **/ + accessor_(cache.cache_, key, true /* unique */) + { + if (accessor_.IsValid()) + { + item_ = &dynamic_cast<Item&>(accessor_.GetValue()); + } + else + { + item_ = NULL; + } + } + + + bool ParsedDicomCache::Reader::HasPixelData() const + { + if (item_ == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); + } + else + { + return item_->HasPixelData(); + } + } + + + Orthanc::ParsedDicomFile& ParsedDicomCache::Reader::GetDicom() const + { + if (item_ == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); + } + else + { + return item_->GetDicom(); + } + } + + + size_t ParsedDicomCache::Reader::GetFileSize() const + { + if (item_ == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); + } + else + { + return item_->GetMemoryUsage(); + } + } +}