org.datanucleus.util

Class Log4JLogger

java.lang.Object

org.datanucleus.util.NucleusLogger

org.datanucleus.util.Log4JLogger

public class Log4JLogger
extends NucleusLogger

Log4J implementation of a NucleusLogger. See http://logging.apache.org/log4j for details of Log4J. Assumes that all configuration of the loggers are done by external configuration (System property "log4j.configuration"). Maps logging levels as follows :

• debug maps to Log4J DEBUG
• info maps to Log4J INFO
• warn maps to Log4J WARN
• error maps to Log4J ERROR
• fatal maps to Log4J FATAL

Field Summary

Fields inherited from class org.datanucleus.util.NucleusLogger

CACHE, CONNECTION, DATASTORE, DATASTORE_NATIVE, DATASTORE_PERSIST, DATASTORE_RETRIEVE, DATASTORE_SCHEMA, GENERAL, LIFECYCLE, METADATA, PERSISTENCE, QUERY, TRANSACTION, VALUEGENERATION

Constructor Summary

Constructors

Constructor and Description
Log4JLogger(String logName) Constructor using Log4J.

Method Summary

Modifier and Type	Method and Description
void	debug(Object msg) Log a debug message.
void	debug(Object msg, Throwable thr) Log a debug message with throwable.
void	error(Object msg) Log an error message.
void	error(Object msg, Throwable thr) Log an error message with throwable.
void	fatal(Object msg) Log an fatal message.
void	fatal(Object msg, Throwable thr) Log a fatal message with throwable.
Object	getNativeLogger() Accessor for the native logger object.
void	info(Object msg) Log an info message.
void	info(Object msg, Throwable thr) Log an info message with throwable.
boolean	isDebugEnabled() Accessor for whether debug logging is enabled
boolean	isInfoEnabled() Accessor for whether info logging is enabled
void	warn(Object msg) Log a warning message.
void	warn(Object msg, Throwable thr) Log a warning message with throwable.

Methods inherited from class org.datanucleus.util.NucleusLogger

getLoggerInstance

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Log4JLogger

public Log4JLogger(String logName)

Constructor using Log4J.

Parameters:

logName - Name of the logging category

Method Detail

getNativeLogger

public Object getNativeLogger()

Description copied from class: NucleusLogger

Accessor for the native logger object.

Specified by:

getNativeLogger in class NucleusLogger

Returns:

The native logger object

debug

public void debug(Object msg)

Log a debug message.

Specified by:

debug in class NucleusLogger

Parameters:

msg - The message

debug

public void debug(Object msg,
                  Throwable thr)

Log a debug message with throwable.

Specified by:

debug in class NucleusLogger

Parameters:

msg - The message

thr - A throwable

info

public void info(Object msg)

Log an info message.

Specified by:

info in class NucleusLogger

Parameters:

msg - The message

info

public void info(Object msg,
                 Throwable thr)

Log an info message with throwable.

Specified by:

info in class NucleusLogger

Parameters:

msg - The message

thr - A throwable

warn

public void warn(Object msg)

Log a warning message.

Specified by:

warn in class NucleusLogger

Parameters:

msg - The message

warn

public void warn(Object msg,
                 Throwable thr)

Log a warning message with throwable.

Specified by:

warn in class NucleusLogger

Parameters:

msg - The message

thr - A throwable

error

public void error(Object msg)

Log an error message.

Specified by:

error in class NucleusLogger

Parameters:

msg - The message

error

public void error(Object msg,
                  Throwable thr)

Log an error message with throwable.

Specified by:

error in class NucleusLogger

Parameters:

msg - The message

thr - A throwable

fatal

public void fatal(Object msg)

Log an fatal message.

Specified by:

fatal in class NucleusLogger

Parameters:

msg - The message

fatal

public void fatal(Object msg,
                  Throwable thr)

Log a fatal message with throwable.

Specified by:

fatal in class NucleusLogger

Parameters:

msg - The message

thr - A throwable

isDebugEnabled

public boolean isDebugEnabled()

Accessor for whether debug logging is enabled

Specified by:

isDebugEnabled in class NucleusLogger

Returns:

Whether it is enabled

isInfoEnabled

public boolean isInfoEnabled()

Accessor for whether info logging is enabled

Specified by:

isInfoEnabled in class NucleusLogger

Returns:

Whether it is enabled