AsgMessagingForward.h

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
 
 
#ifndef ASG_MESSAGING_ASG_MESSAGING_FORWARD_H
#define ASG_MESSAGING_ASG_MESSAGING_FORWARD_H
 
// Local include(s):
#include "AsgMessaging/MsgStream.h"
#include "AsgMessaging/MsgStreamMacros.h"
 
#include <functional>
 
namespace asg
{
 
  class AsgMessagingForward
  {
    //
    // public interface
    //
 
  public:
    template<typename T> explicit AsgMessagingForward( T *owner );
 
 
    bool msgLvl( const MSG::Level lvl ) const;
 
    MsgStream& msg() const;
 
    MsgStream& msg( const MSG::Level lvl ) const;
 
 
 
    //
    // private interface
    //
 
  private:
    std::function<MsgStream& ()> m_msg;
  };
 
 
 
  template<typename T>  AsgMessagingForward ::
  AsgMessagingForward( T *owner )
    : m_msg ([owner] () -> MsgStream& {return owner->msg();})
  {}
}
 
#endif