/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/AsgTools/AsgTools/SgTEvent.h

// Dear emacs, this is -*- c++ -*-
// $Id: SgTEvent.h 669898 2015-05-26 13:49:13Z krasznaa $
#ifndef ASGTOOLS_SGTEVENT_H
#define ASGTOOLS_SGTEVENT_H

// System include(s):
#include <string>

// Local include(s):
#include "AsgTools/AsgToolsConf.h"
#include "AsgTools/StatusCode.h"

// Complain if we try using this header in Athena:
#ifndef ASGTOOL_STANDALONE
#   error( "This header should only be used for standalone ASG" )
#endif

// Forward declaration(s):
namespace xAOD {
   class TEvent;
   class TStore;
} // namespace xAOD

namespace asg {

   class SgTEvent {

   public:
      SgTEvent( xAOD::TEvent* pevm = 0, xAOD::TStore* ptds = 0 );

      xAOD::TEvent* event() const;

      xAOD::TStore* tds() const;


      template< typename T >
      bool contains( const std::string& name ) const;
      template< typename T >
      bool transientContains( const std::string& name ) const;

      template< typename T >
      T* retrieve( const std::string& name ) const;

      template< typename T >
      StatusCode retrieve( T*& pobj, const std::string& name );
      template< typename T >
      StatusCode retrieve( const T*& pobj, const std::string& name ) const;

      template< typename T >
      StatusCode record( T* pobj, const std::string& cname );

      template< typename T >
      StatusCode overwrite( T* pobj, const std::string& name,
                            bool allowMods, bool resetOnly = true,
                            bool noHist = false );


   private:
      StatusCode initialize() const;

      mutable xAOD::TEvent* m_pevm;
      mutable xAOD::TStore* m_ptds;

   }; // class SgTEvent

} // namespace asg

// Include the template implementation:
#include "AsgTools/SgTEvent.icc"

#endif // ASGTOOLS_SGTEVENT_H

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