--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Toolbox/ParsedDicomFileCache.cpp	Mon Nov 04 15:54:35 2019 +0100
@@ -0,0 +1,69 @@
+/**
+ * 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 "ParsedDicomFileCache.h"
+
+namespace OrthancStone
+{
+  class ParsedDicomFileCache::Item : public Orthanc::ICacheable
+  {
+  private:
+    std::auto_ptr<Orthanc::ParsedDicomFile>  dicom_;
+    size_t                                   fileSize_;
+
+  public:
+    Item(Orthanc::ParsedDicomFile* dicom,
+         size_t fileSize) :
+      dicom_(dicom),
+      fileSize_(fileSize)
+    {
+      if (dicom == NULL)
+      {
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
+      }
+    }           
+           
+    virtual size_t GetMemoryUsage() const
+    {
+      return fileSize_;
+    }
+
+    const Orthanc::ParsedDicomFile& GetDicom() const
+    {
+      assert(dicom_.get() != NULL);
+      return *dicom_;
+    }
+  };
+    
+
+  void ParsedDicomFileCache::Acquire(const std::string& sopInstanceUid,
+                                     Orthanc::ParsedDicomFile* dicom,
+                                     size_t fileSize)
+  {
+    cache_.Acquire(sopInstanceUid, new Item(dicom, fileSize));
+  }
+
+  
+  const Orthanc::ParsedDicomFile& ParsedDicomFileCache::Reader::GetDicom() const
+  {
+    return dynamic_cast<const Item&>(reader_.GetValue()).GetDicom();
+  }
+}