DbPrint.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
//====================================================================
//  APR Printer object
//--------------------------------------------------------------------
 
#ifndef POOL_DBPRINT_H
#define POOL_DBPRINT_H 1
 
#include <atomic>
#include "AthenaKernel/getMessageSvc.h"
#include "AthenaBaseComps/AthMessaging.h"
#include "SystemTools.h"
 
namespace pool {
 
   struct  DbPrintLvl {
      typedef   MSG::Level      MsgLevel;
      static const MsgLevel None        = MsgLevel::NIL;
      static const MsgLevel Verbose     = MsgLevel::VERBOSE;
      static const MsgLevel Debug       = MsgLevel::DEBUG;
      static const MsgLevel Info        = MsgLevel::INFO;
      static const MsgLevel Warning     = MsgLevel::WARNING;
      static const MsgLevel Error       = MsgLevel::ERROR;
      static const MsgLevel Fatal       = MsgLevel::FATAL;
      static const MsgLevel Always      = MsgLevel::ALWAYS;
 
      static std::atomic<MsgLevel>   outputLvl;
      inline static void       setLevel( MsgLevel l )  { outputLvl=l; }
   };
 
 
   class DbPrint : public MsgStream
   {
   public:
     DbPrint( const std::string& name )
         // 'quiet=true' option only works with 'Eager' creation
         : MsgStream( Athena::getMessageSvc(Athena::Options::Eager,true), name )
     {
        if( DbPrintLvl::outputLvl != DbPrintLvl::None ) {
           setLevel( DbPrintLvl::outputLvl );
        }
     }
 
     static MsgStream& endmsg( MsgStream& s ) { return ::endmsg(s); }
   };
 
   class APRMessaging : public AthMessaging {
   public:
      APRMessaging(const std::string& name) : AthMessaging(name) {
         auto lvl = SystemTools::GetOutputLvl();
         // an output line needed to initialize AthMessaging or setLevel will not work
         ATH_MSG_VERBOSE("Setting the loglevel to " << (int) lvl );
         setLevel( lvl );
      }
 
      APRMessaging(const APRMessaging&) = delete;
      APRMessaging& operator=(const APRMessaging&) = delete;
      APRMessaging(APRMessaging&&) = delete;
      APRMessaging& operator=(APRMessaging&&) = delete;
   };
 
}       // End namespace pool
#endif  // POOL_DBPRINT_H