database::integrated::adapters::backends::logger_backend Class Reference

Abstract base class for logger backends. More...

#include <logger_backend.h>

Inheritance diagram for database::integrated::adapters::backends::logger_backend:

Collaboration diagram for database::integrated::adapters::backends::logger_backend:

Public Member Functions
virtual	~logger_backend ()=default
virtual common::VoidResult	initialize ()=0
	Initialize the logger backend.
virtual common::VoidResult	shutdown ()=0
	Shutdown the logger backend gracefully.
virtual bool	is_initialized () const =0
	Check if backend is initialized.
virtual void	log (db_log_level level, const std::string &message)=0
	Log a message.
virtual void	flush ()=0
	Flush pending log messages.

Detailed Description

Abstract base class for logger backends.

All logger backends (system, fallback, null) must implement this interface. This enables runtime polymorphism and eliminates conditional compilation.

Definition at line 37 of file logger_backend.h.

Constructor & Destructor Documentation

~logger_backend()

virtual database::integrated::adapters::backends::logger_backend::~logger_backend ( )

virtualdefault

Member Function Documentation

flush()

virtual void database::integrated::adapters::backends::logger_backend::flush ( )

pure virtual

Flush pending log messages.

Implemented in database::integrated::adapters::backends::common_logger_backend, database::integrated::adapters::backends::fallback_logger_backend, and database::integrated::adapters::backends::null_logger_backend.

initialize()

virtual common::VoidResult database::integrated::adapters::backends::logger_backend::initialize ( )

pure virtual

Initialize the logger backend.

Returns

VoidResult::ok() on success, error on failure

Implemented in database::integrated::adapters::backends::common_logger_backend, database::integrated::adapters::backends::fallback_logger_backend, and database::integrated::adapters::backends::null_logger_backend.

is_initialized()

virtual bool database::integrated::adapters::backends::logger_backend::is_initialized ( ) const

pure virtual

Check if backend is initialized.

Returns

true if initialized and ready to log

Implemented in database::integrated::adapters::backends::common_logger_backend, database::integrated::adapters::backends::fallback_logger_backend, and database::integrated::adapters::backends::null_logger_backend.

log()

virtual void database::integrated::adapters::backends::logger_backend::log ( db_log_level level, const std::string & message )

pure virtual

Log a message.

Parameters

level	Log level
message	Message to log

Implemented in database::integrated::adapters::backends::common_logger_backend, database::integrated::adapters::backends::fallback_logger_backend, and database::integrated::adapters::backends::null_logger_backend.

shutdown()

virtual common::VoidResult database::integrated::adapters::backends::logger_backend::shutdown ( )

pure virtual

Shutdown the logger backend gracefully.

Returns

VoidResult::ok() on success, error on failure

Implemented in database::integrated::adapters::backends::common_logger_backend, database::integrated::adapters::backends::fallback_logger_backend, and database::integrated::adapters::backends::null_logger_backend.

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The documentation for this class was generated from the following file:

• database/integrated/adapters/backends/logger_backend.h