Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/Loaders/BasicFetchingStrategy.h @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Loaders/BasicFetchingStrategy.h@30deba7bc8e2 |
children | 85e117739eca |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/Loaders/BasicFetchingStrategy.h Tue Jul 07 16:21:02 2020 +0200 @@ -0,0 +1,96 @@ +/** + * Stone of Orthanc + * 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 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/>. + **/ + + +#pragma once + +#include "IFetchingItemsSorter.h" +#include "IFetchingStrategy.h" + +#include <Compatibility.h> + +#include <memory> + +namespace OrthancStone +{ + class BasicFetchingStrategy : public IFetchingStrategy + { + private: + class ContentItem + { + private: + unsigned int item_; + unsigned int quality_; + + public: + ContentItem(unsigned int item, + unsigned int quality) : + item_(item), + quality_(quality) + { + } + + unsigned int GetItem() const + { + return item_; + } + + unsigned int GetQuality() const + { + return quality_; + } + }; + + std::unique_ptr<IFetchingItemsSorter> sorter_; + std::vector<unsigned int> nextQuality_; + unsigned int maxQuality_; + std::vector<ContentItem> content_; + size_t position_; + unsigned int blockSize_; + + void Schedule(unsigned int item, + unsigned int quality); + + public: + BasicFetchingStrategy(IFetchingItemsSorter* sorter, // Takes ownership + unsigned int maxQuality); + + virtual unsigned int GetItemsCount() const + { + return sorter_->GetItemsCount(); + } + + virtual unsigned int GetMaxQuality() const + { + return maxQuality_; + } + + // WARNING - This parameters is only considered during the next + // call to SetCurrent(). + void SetBlockSize(unsigned int size); + + virtual bool GetNext(unsigned int& item, + unsigned int& quality); + + virtual void SetCurrent(unsigned int item); + + virtual void RecycleFurthest(unsigned int& item); + }; +}