Refs #11101 Initial commit with some of the class structure.

Code/Mantid/Framework/API/CMakeLists.txt

@@ -31,6 +31,7 @@ set ( SRC_FILES
 	src/ExperimentInfo.cpp
 	src/Expression.cpp
 	src/FermiChopperModel.cpp
+	src/FileBackedExperimentInfo.cpp
 	src/FileFinder.cpp
 	src/FileLoaderRegistry.cpp
 	src/FileProperty.cpp
@@ -170,6 +171,7 @@ set ( INC_FILES
 	inc/MantidAPI/ExperimentInfo.h
 	inc/MantidAPI/Expression.h
 	inc/MantidAPI/FermiChopperModel.h
+	inc/MantidAPI/FileBackedExperimentInfo.h
 	inc/MantidAPI/FileFinder.h
 	inc/MantidAPI/FileLoaderRegistry.h
 	inc/MantidAPI/FileProperty.h
@@ -309,6 +311,7 @@ set ( TEST_FILES
 	ExperimentInfoTest.h
 	ExpressionTest.h
 	FermiChopperModelTest.h
+	FileBackedExperimentInfoTest.h
 	FileFinderTest.h
 	FilePropertyTest.h
 	FrameworkManagerTest.h

Code/Mantid/Framework/API/inc/MantidAPI/FileBackedExperimentInfo.h

@@ -0,0 +1,58 @@
+#ifndef MANTID_API_FILEBACKEDEXPERIMENTINFO_H_
+#define MANTID_API_FILEBACKEDEXPERIMENTINFO_H_
+
+#include "MantidKernel/System.h"
+#include "MantidAPI/ExperimentInfo.h"
+
+#if defined(__GLIBCXX__) && __GLIBCXX__ >= 20100121 // libstdc++-4.4.3
+typedef std::unique_ptr< ::NeXus::File> file_holder_type;
+#else
+typedef std::auto_ptr< ::NeXus::File> file_holder_type;
+#endif
+
+namespace Mantid
+{
+namespace API
+{
+
+  /** FileBackedExperimentInfo : TODO: DESCRIPTION
+
+    Copyright &copy; 2015 ISIS Rutherford Appleton Laboratory, NScD Oak Ridge National Laboratory & European Spallation Source
+
+    This file is part of Mantid.
+
+    Mantid 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.
+
+    Mantid 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/>.
+
+    File change history is stored at: <https://github.com/mantidproject/mantid>
+    Code Documentation is available at: <http://doxygen.mantidproject.org>
+  */
+  class DLLExport FileBackedExperimentInfo : public ExperimentInfo
+  {
+  public:
+    /// Constructor
+    FileBackedExperimentInfo(::NeXus::File file, std::string groupName);
+    /// Virtual destructor
+    virtual ~FileBackedExperimentInfo();
+
+  private:
+     void intialise();
+     ::NeXus::File *file;
+     std::string groupName;
+  };
+
+
+} // namespace API
+} // namespace Mantid
+
+#endif  /* MANTID_API_FILEBACKEDEXPERIMENTINFO_H_ */

Code/Mantid/Framework/API/src/FileBackedExperimentInfo.cpp

@@ -0,0 +1,47 @@
+#include "MantidAPI/FileBackedExperimentInfo.h"
+
+namespace Mantid
+{
+namespace API
+{
+namespace {
+/// static logger object
+Kernel::Logger g_log("FileBackedExperimentInfo");
+}
+
+  //----------------------------------------------------------------------------------------------
+  /** Constructor
+   */
+  FileBackedExperimentInfo::FileBackedExperimentInfo(::NeXus::File file, std::string groupName)
+  {
+  }
+
+  //----------------------------------------------------------------------------------------------
+  /** Destructor
+   */
+  FileBackedExperimentInfo::~FileBackedExperimentInfo()
+  {
+  }
+
+  //------------------------------------------------------------------------------------------------------
+  // Private members
+  //------------------------------------------------------------------------------------------------------
+  /**
+   * Here we actually load the data
+   */
+  void FileBackedExperimentInfo::intialise() {
+      std::string parameterStr;
+      try {
+        // Get the sample, logs, instrument
+        this->loadExperimentInfoNexus(file, parameterStr);
+        // Now do the parameter map
+        this->readParameterMap(parameterStr);
+      } catch (std::exception &e) {
+        g_log.information("Error loading section '" + groupName +
+                          "' of nxs file.");
+        g_log.information(e.what());
+      }
+  }
+
+} // namespace API
+} // namespace Mantid

Code/Mantid/Framework/API/test/FileBackedExperimentInfoTest.h

@@ -0,0 +1,29 @@
+#ifndef MANTID_API_FILEBACKEDEXPERIMENTINFOTEST_H_
+#define MANTID_API_FILEBACKEDEXPERIMENTINFOTEST_H_
+
+#include <cxxtest/TestSuite.h>
+
+#include "MantidAPI/FileBackedExperimentInfo.h"
+
+using Mantid::API::FileBackedExperimentInfo;
+using namespace Mantid::API;
+
+class FileBackedExperimentInfoTest : public CxxTest::TestSuite
+{
+public:
+  // This pair of boilerplate methods prevent the suite being created statically
+  // This means the constructor isn't called when running other tests
+  static FileBackedExperimentInfoTest *createSuite() { return new FileBackedExperimentInfoTest(); }
+  static void destroySuite( FileBackedExperimentInfoTest *suite ) { delete suite; }
+
+
+  void test_Something()
+  {
+    TSM_ASSERT( "You forgot to write a test!", 0);
+  }
+
+
+};
+
+
+#endif /* MANTID_API_FILEBACKEDEXPERIMENTINFOTEST_H_ */