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

// Dear emacs, this is -*- c++ -*-
// $Id: AsgMetadataTool.h 771072 2016-08-31 14:50:22Z krasznaa $
#ifndef ASGTOOLS_ASGMETADATATOOL_H
#define ASGTOOLS_ASGMETADATATOOL_H

// Local include(s):
#include "AsgTools/AsgTool.h"
#ifdef ASGTOOL_STANDALONE
#   include "AsgTools/SgTEventMeta.h"
#   include "xAODRootAccess/TVirtualIncidentListener.h"
#elif defined(ASGTOOL_ATHENA)
#   include "GaudiKernel/IIncidentListener.h"
#else
#   error "What environment are we in?!?"
#endif // Environment selection

// Forward declaration(s):
class Incident;

namespace asg {

#ifdef ASGTOOL_STANDALONE
   typedef xAOD::TVirtualIncidentListener IIncidentListener;
   typedef xAOD::TIncident Incident;
#endif // ASGTOOL_STANDALONE

   class AsgMetadataTool : public AsgTool,
                           public virtual IIncidentListener {

   public:
      AsgMetadataTool( const std::string& name );
      ~AsgMetadataTool();


#ifdef ASGTOOL_STANDALONE
      typedef SgTEventMeta  MetaStore_t;
      typedef SgTEventMeta* MetaStorePtr_t;
#elif defined(ASGTOOL_ATHENA)
      typedef ServiceHandle< StoreGateSvc > MetaStore_t;
      typedef ServiceHandle< StoreGateSvc >& MetaStorePtr_t;
#else
#   error "What environment are we in?!?"
#endif // Environment selection



      MetaStorePtr_t inputMetaStore() const;
      MetaStorePtr_t outputMetaStore() const;


      virtual StatusCode sysInitialize();


      template< typename T >
      StatusCode retrieveMetadata( const std::string& folder,
                                   const std::string& key,
                                   T& out ) __attribute__ ((deprecated));

   protected:

      virtual void handle( const Incident& inc );

      virtual StatusCode beginInputFile();

      virtual StatusCode endInputFile();

      virtual StatusCode beginEvent();

      virtual StatusCode metaDataStop();


   private:
      mutable MetaStore_t m_inputMetaStore;
      mutable MetaStore_t m_outputMetaStore;

      bool m_beginInputFileCalled;

   }; // class AsgMetadataTool

} // namespace asg

// Include the template implementation(s):
#include "AsgTools/AsgMetadataTool.icc"

#endif // ASGTOOLS_ASGMETADATATOOL_H

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