plug-ins/include/SSummedVar.h

Go to the documentation of this file.

// Dear emacs, this is -*- c++ -*-
// $Id: SSummedVar.h 229 2010-12-01 11:35:33Z krasznaa $
/***************************************************************************
 * @Project: SFrame - ROOT-based analysis framework for ATLAS
 * @Package: Plug-ins
 *
 * @author Stefan Ask       <Stefan.Ask@cern.ch>           - Manchester
 * @author David Berge      <David.Berge@cern.ch>          - CERN
 * @author Johannes Haller  <Johannes.Haller@cern.ch>      - Hamburg
 * @author A. Krasznahorkay <Attila.Krasznahorkay@cern.ch> - CERN/Debrecen
 *
 ***************************************************************************/

#ifndef SFRAME_PLUGINS_SSummedVar_H
#define SFRAME_PLUGINS_SSummedVar_H

// STL include(s):
#include <map>

// ROOT include(s):
#include <TNamed.h>
#include <TString.h>

// SFrame include(s):
#include "core/include/SError.h"

// Forward declaration(s):
class TCollection;
class ISCycleBaseHist;

template< class Type >
class ProofSummedVar : public TNamed {

public:
   ProofSummedVar( const char* name = 0, const char* title = 0 );
   virtual Int_t Merge( TCollection* coll );
   Type m_member;

#ifndef DOXYGEN_IGNORE
   ClassDef( ProofSummedVar, 1 );
#endif // DOXYGEN_IGNORE

}; // class ProofSummedVar

template< class Type >
class SSummedVar {

public:
   typedef Type ValueType;

   SSummedVar( const char* name, ISCycleBaseHist* parent );

   operator Type&();
   operator const Type&() const;

   Type& operator*();
   Type* operator->();

   Type& GetReference();
   Type* GetPointer();

   const Type& operator*() const;
   const Type* operator->() const;

   const Type& GetReference() const;
   const Type* GetPointer() const;

private:
   ProofSummedVar< Type >* GetObject() const throw( SError );

   TString                         m_objName; 
   ISCycleBaseHist*                m_parent; 
   mutable ProofSummedVar< Type >* m_object; 

}; // class SSummedVar

//
// Include template implementation:
//
#ifndef __CINT__
#include "SSummedVar.icc"
#endif // __CINT__

#endif // SFRAME_PLUGINS_SSummedVar_H