#ifndef MANTID_API_FRAMEWORKMANAGER_H_
#define MANTID_API_FRAMEWORKMANAGER_H_

//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
#include <string>

#ifdef MPI_BUILD
#include <boost/mpi/environment.hpp>
#endif

#include "MantidAPI/DllConfig.h"
#include "MantidAPI/FileLoaderRegistry.h"
#include "MantidKernel/SingletonHolder.h"
#include <boost/shared_ptr.hpp>

namespace Mantid
{

  namespace API
  {
    //----------------------------------------------------------------------
    // Forward declarations
    //----------------------------------------------------------------------
    class IAlgorithm;
    class Workspace;

    /** The main public API via which users interact with the Mantid framework.

        @author Russell Taylor, Tessella Support Services plc
        @date 05/10/2007

        Copyright &copy; 2007-2011 ISIS Rutherford Appleton Laboratory & NScD Oak Ridge National Laboratory

        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 MANTID_API_DLL FrameworkManagerImpl
    {
    public:
      /// Set the number of OpenMP threads to use based on the config value
      void setNumOMPThreadsToConfigValue();
      /// Set the number of OpenMP threads to the given value
      void setNumOMPThreads(const int nthreads);
      /// Returns the number of OpenMP threads that will be used
      int getNumOMPThreads() const;

      /// Clears all memory associated with the AlgorithmManager, ADS & IDS 
      void clear();

      /// Clear memory associated with the AlgorithmManager
      void clearAlgorithms();

      /// Clear memory associated with the ADS
      void clearData();

      /// Clear memory associated with the IDS
      void clearInstruments();

      /// Creates and instance of an algorithm
      IAlgorithm* createAlgorithm(const std::string& algName, const int& version=-1);

      /// Creates an instance of an algorithm and sets the properties provided
      IAlgorithm* createAlgorithm(const std::string& algName, const std::string& propertiesArray,const int& version=-1);

      /// Creates an instance of an algorithm, sets the properties provided & then executes it.
      IAlgorithm* exec(const std::string& algName, const std::string& propertiesArray,const int& version=-1);

      /// Creates an algorithm and runs it, with variadic arguments
      boost::shared_ptr<IAlgorithm> exec(const std::string& algorithmName, int count, ...);

      /// Returns a shared pointer to the workspace requested
      Workspace* getWorkspace(const std::string& wsName);

      /// Deletes a workspace from the framework
      bool deleteWorkspace(const std::string& wsName);

    private:
      friend struct Mantid::Kernel::CreateUsingNew<FrameworkManagerImpl>;

      ///Private Constructor
      FrameworkManagerImpl();
      ///Private Destructor
      ~FrameworkManagerImpl();
      /// Private copy constructor - NO COPY ALLOWED
      FrameworkManagerImpl(const FrameworkManagerImpl&);
      /// Private assignment operator - NO ASSIGNMENT ALLOWED
      FrameworkManagerImpl& operator = (const FrameworkManagerImpl&);
      
      /// Set up the global locale
      void setGlobalLocaleToAscii();
      /// Load the plugins
      void loadAllPlugins();
      /// Load a set of plugins
      void loadPluginsUsingKey(const std::string & key);
      /// Silence NeXus output
      void disableNexusOutput();

      #ifdef MPI_BUILD
      /** Member variable that initialises the MPI environment on construction (in the
       *  FrameworkManager constructor) and finalises it on destruction.
       *  The class has no non-static member functions, so is not exposed in the class interface.
       */
      boost::mpi::environment m_mpi_environment;
#endif
    };

    ///Forward declaration of a specialisation of SingletonHolder for AlgorithmFactoryImpl (needed for dllexport/dllimport) and a typedef for it.
#ifdef _WIN32
    // this breaks new namespace declaration rules; need to find a better fix
    template class MANTID_API_DLL Mantid::Kernel::SingletonHolder<FrameworkManagerImpl>;
#endif /* _WIN32 */
    typedef MANTID_API_DLL Mantid::Kernel::SingletonHolder<FrameworkManagerImpl> FrameworkManager;

  } // namespace Kernel
} // namespace Mantid

#endif /*MANTID_API_FRAMEWORKMANAGER_H_*/