Trigger/TrigAnalysis/TrigDecisionTool/TrigDecisionTool/Logger.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TrigDecisionTool_Logger_h
#define TrigDecisionTool_Logger_h
 
#include "AsgTools/AsgTool.h"
#include "CxxUtils/checker_macros.h"
#include <stdexcept>
 
namespace Trig{
  class Logger {
  public:
    Logger() = default;
    Logger(asg::AsgTool* logger) { s_logger = logger; }
 
    MsgStream& msg() const {
      if (s_logger) return s_logger->msg();
      else throw std::runtime_error("TrigDecisionTool Logger not initialized.");
    }
    MsgStream& msg(const MSG::Level lvl) const { return msg() << lvl; }
    bool msgLvl(const MSG::Level lvl) const { return s_logger && s_logger->msgLvl(lvl); }
 
  private:
    // we rely on the AsgTool logging being thread-safe
    inline static asg::AsgTool* s_logger ATLAS_THREAD_SAFE {nullptr};
  };
}
 
#endif