ITreeWorker.h

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// Dear emacs, this is -*- c++ -*-
//
// Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
//
#ifndef ANAALGORITHM_ITREEWORKER_H
#define ANAALGORITHM_ITREEWORKER_H
 
// Bail right away if somebody tries to use this from the wrong environment:
#ifndef XAOD_STANDALONE
#   error only include this header in AnalysisBase
#endif
 
// System include(s):
#include <string>
 
// Framework include(s):
#include "AsgMessaging/StatusCode.h"
 
// Local include(s):
#include "AnaAlgorithm/Global.h"
 
// Forward declaration(s):
class TTree;
 
namespace EL {

   class ITreeWorker {
 
   public:
      virtual ~ITreeWorker () noexcept = default;

      virtual ::StatusCode addTree( const TTree& tree,
                                    const std::string& stream ) = 0;

      virtual TTree* getOutputTree( const std::string& name,
                                    const std::string& stream ) const = 0;
 
   }; // class ITreeWorker
 
} // namespace EL
 
#endif // ANAALGORITHM_ITREEWORKER_H