THistWrite.h

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* (c) Copyright 1998-2025 CERN for the benefit of the LHCb and ATLAS collaborations *
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* This software is distributed under the terms of the Apache version 2 licence,     *
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#pragma once
 
// Include files
#include <GaudiKernel/Algorithm.h>
#include <GaudiKernel/ServiceHandle.h>
 
class TH1F;
class ITHistSvc;
class TDirectory;
 
class THistWrite : public Algorithm {
 
public:
  // Constructor of this form must be provided
  THistWrite( const std::string& name, ISvcLocator* pSvcLocator );
 
  // Three mandatory member functions of any algorithm
  StatusCode initialize() override;
  StatusCode execute() override;
  StatusCode finalize() override;
 
private:
  ServiceHandle<ITHistSvc> m_ths{ this, "HistSvc", "THistSvc" };
 
  void listKeys( TDirectory* td );
};