TTreeMgr.h

Go to the documentation of this file.

// Dear emacs, this is -*- c++ -*-
//
// Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
//
#ifndef XAODROOTACCESS_TTREEMGR_H
#define XAODROOTACCESS_TTREEMGR_H
 
// System include(s):
#include <memory>
#include <string>
#include <vector>
 
// Local include(s):
#include "xAODRootAccess/TEvent.h"
#include "AsgMessaging/StatusCode.h"
#include "xAODRootAccess/tools/xAODTEventTree.h"
#include "xAODRootAccess/tools/xAODTMetaTree.h"
 
// Forward declaration(s):
class TTree;
class TFile;
 
namespace xAOD {

   class TTreeMgr {
 
   public:
      TTreeMgr( TEvent::EAuxMode mode = TEvent::kClassAccess );


      StatusCode readFrom( ::TFile* file, ::Bool_t useTreeCache = kTRUE,
                            const char* treeName = "CollectionTree" );



      StatusCode enableEventObj( const std::vector< std::string >& names );
      StatusCode suppressEventObj( const std::vector< std::string >& names );

      StatusCode enableMetaObj( const std::vector< std::string >& names );
      StatusCode suppressMetaObj( const std::vector< std::string >& names );



      ::TTree* eventTree();

      ::TTree* metaTree();


      TEvent& event();
 
   private:
      std::unique_ptr< xAODTEventTree > m_eventTree;
      std::unique_ptr< xAODTMetaTree > m_metaTree;

      TEvent m_event;

      std::string m_eventTreeName;

      std::vector< std::string > m_enableEventObj;
      std::vector< std::string > m_suppressEventObj;

      std::vector< std::string > m_enableMetaObj;
      std::vector< std::string > m_suppressMetaObj;
 
   }; // class TTreeMgr
 
} // namespace xAOD
 
#endif // XAODROOTACCESS_TTREEMGR_H