kieker.common.logging
Interface Log

All Known Implementing Classes:

LogImplCommonsLogging, LogImplJDK14, LogImplJUnit, LogImplNone, LogImplSLF4JLogging, LogImplWebguiLogging

public interface Log

A simple logging interface abstracting logging APIs.

The four logging levels used by Log are (in order):

1. debug (the least serious)
2. info
3. warn
4. error (the most serious)

Since:

1.5

Author:

Jan Waller

Method Summary

void	debug(String message) Log a message with debug log level.
void	debug(String message, Throwable t) Log an error with debug log level.
void	error(String message) Log a message with error log level.
void	error(String message, Throwable t) Log an error with error log level.
void	info(String message) Log a message with info log level.
void	info(String message, Throwable t) Log an error with info log level.
boolean	isDebugEnabled() Is debug logging currently enabled?
void	warn(String message) Log a message with warn log level.
void	warn(String message, Throwable t) Log an error with warn log level.

Method Detail

isDebugEnabled

boolean isDebugEnabled()

Is debug logging currently enabled?

Call this method to prevent having to perform expensive operations (for example, String concatenation) when the log level is more than debug.

Returns:

true if debug is enabled in the underlying logger.

Since:

1.5

debug

void debug(String message)

Log a message with debug log level.

Parameters:

message - log this message

Since:

1.5

debug

void debug(String message,
           Throwable t)

Log an error with debug log level.

Parameters:

message - log this message

t - log this cause

Since:

1.5

info

void info(String message)

Log a message with info log level.

Parameters:

message - log this message

Since:

1.5

info

void info(String message,
          Throwable t)

Log an error with info log level.

Parameters:

message - log this message

t - log this cause

Since:

1.5

warn

void warn(String message)

Log a message with warn log level.

Parameters:

message - log this message

Since:

1.5

warn

void warn(String message,
          Throwable t)

Log an error with warn log level.

Parameters:

message - log this message

t - log this cause

Since:

1.5

error

void error(String message)

Log a message with error log level.

Parameters:

message - log this message

Since:

1.5

error

void error(String message,
           Throwable t)

Log an error with error log level.

Parameters:

message - log this message

t - log this cause

Since:

1.5