HistoryObj.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,     *
* copied verbatim in the file "LICENSE".                                            *
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#pragma once
 
#include <GaudiKernel/ClassID.h>
#include <GaudiKernel/DataObject.h>
 
#include <ostream>
#include <string>
 
class IVersHistoryObj;
 
class GAUDI_API HistoryObj : public DataObject {
public:
  virtual ~HistoryObj() = default;
 
  const CLID&        clID() const override { return classID(); }
  static const CLID& classID();
  static std::string convert_string( const std::string& );
 
  virtual std::ostream& dump( std::ostream&, bool isXML = false, int indent = 0 ) const = 0;
 
  // Output stream.
  friend std::ostream& operator<<( std::ostream& lhs, const HistoryObj& rhs ) { return rhs.dump( lhs, false, 0 ); }
 
protected:
  virtual void indent( std::ostream&, int ) const;
};