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IMessageSvc.h

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// $Header: /local/reps/Gaudi/GaudiKernel/GaudiKernel/IMessageSvc.h,v 1.8 2008/10/01 14:39:27 marcocle Exp $
#ifndef GAUDIKERNEL_IMESSAGESVC_H
#define GAUDIKERNEL_IMESSAGESVC_H

// Include files
#include "GaudiKernel/IInterface.h"
#include <iostream>
#include <string>

// Forward declarations
class StatusCode;
class Message;

// Declaration of the interface ID ( interface id, major version, minor version) 
static const InterfaceID IID_IMessageSvc(30, 1 , 1); 

namespace MSG   {
  enum Level   {
        NIL = 0,
        VERBOSE,
        DEBUG,
        INFO,
        WARNING,
        ERROR,
        FATAL,
        ALWAYS,
        NUM_LEVELS
  };
  enum Color   {
        BLACK = 0,
        RED,
        GREEN,
        YELLOW,
        BLUE,
        PURPLE,
        CYAN,
        WHITE,
        NUM_COLORS
  };
}

class IMessageSvc : virtual public IInterface {
public:

  static const InterfaceID& interfaceID() { return IID_IMessageSvc; }

  virtual void reportMessage( const Message& msg, int outputLevel ) = 0;

  virtual void reportMessage( const Message& message ) = 0;

  virtual void reportMessage( const StatusCode& code, 
                              const std::string& source = "" ) = 0;
  
  virtual void reportMessage( const std::string& source, 
                              int type, 
                              const std::string& message ) = 0;

  virtual void reportMessage( const char* source,
                              int type,
                              const char* message = "" ) = 0;
  
  virtual void insertMessage( const StatusCode& code,
                              const Message& message ) = 0;

  virtual void eraseMessage() = 0;

  virtual void eraseMessage( const StatusCode& code ) = 0;

  virtual void eraseMessage( const StatusCode& code,
                             const Message& message  ) = 0;

  virtual void insertStream( int type,
                             const std::string& name, 
                             std::ostream* stream ) = 0;

  virtual void eraseStream() = 0;
  
  virtual void eraseStream( int message_type ) = 0;
  
  virtual void eraseStream( int type,
                            std::ostream* stream ) = 0;

  virtual void eraseStream( std::ostream* stream ) = 0;

  virtual std::ostream* defaultStream() const = 0;

  virtual void setDefaultStream( std::ostream* stream ) = 0;

  virtual int outputLevel()   const = 0;

  virtual int outputLevel( const std::string& source ) const = 0;

  virtual void setOutputLevel( int new_level )  = 0;

  virtual void setOutputLevel( const std::string& source, 
                               int new_level)  = 0;


  virtual bool useColor() const = 0;

  virtual std::string getLogColor(int logLevel) const = 0;

  virtual int messageCount( MSG::Level level ) const = 0;


};

#endif // GAUDIKERNEL_IMESSAGESVC_H

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