it.unimi.dsi.logging

Class NullLogger

java.lang.Object

org.apache.log4j.Category

org.apache.log4j.Logger

it.unimi.dsi.logging.NullLogger

All Implemented Interfaces:

AppenderAttachable

Deprecated.

Use SLF4J, which provides NOPLogger.

@Deprecated
public final class NullLogger
extends Logger

Logs to /dev/null (metaphorically speaking).

This logger is mainly useful to speed up unit tests and avoid out-of-memory errors in junit tasks caused by too large error logs.

Author:

Sebastiano Vigna

Field Summary

Fields inherited from class org.apache.log4j.Category

additive, level, name, parent, repository, resourceBundle

Method Summary

Methods

Modifier and Type	Method and Description
void	addAppender(Appender newAppender) Deprecated.
void	assertLog(boolean assertion, String msg) Deprecated.
void	callAppenders(LoggingEvent event) Deprecated.
void	debug(Object message) Deprecated.
void	debug(Object message, Throwable t) Deprecated.
void	error(Object message) Deprecated.
void	error(Object message, Throwable t) Deprecated.
void	fatal(Object message) Deprecated.
void	fatal(Object message, Throwable t) Deprecated.
static Logger	getInstance() Deprecated. Returns the only null logger.
void	info(Object message) Deprecated.
void	info(Object message, Throwable t) Deprecated.
boolean	isAttached(Appender appender) Deprecated.
boolean	isDebugEnabled() Deprecated.
boolean	isEnabledFor(Priority level) Deprecated.
boolean	isInfoEnabled() Deprecated.
boolean	isTraceEnabled() Deprecated.
void	l7dlog(Priority priority, String key, Object[] params, Throwable t) Deprecated.
void	l7dlog(Priority priority, String key, Throwable t) Deprecated.
void	log(Priority priority, Object message) Deprecated.
void	log(Priority priority, Object message, Throwable t) Deprecated.
void	log(String callerFQCN, Priority level, Object message, Throwable t) Deprecated.
void	removeAllAppenders() Deprecated.
void	removeAppender(Appender appender) Deprecated.
void	removeAppender(String name) Deprecated.
void	setAdditivity(boolean additive) Deprecated.
void	setLevel(Level level) Deprecated.
void	setPriority(Priority priority) Deprecated.
void	trace(Object message) Deprecated.
void	trace(Object message, Throwable t) Deprecated.
void	warn(Object message) Deprecated.
void	warn(Object message, Throwable t) Deprecated.

Methods inherited from class org.apache.log4j.Logger

getLogger, getLogger, getLogger, getRootLogger

Methods inherited from class org.apache.log4j.Category

exists, forcedLog, getAdditivity, getAllAppenders, getAppender, getChainedPriority, getCurrentCategories, getDefaultHierarchy, getEffectiveLevel, getHierarchy, getInstance, getInstance, getLevel, getLoggerRepository, getName, getParent, getPriority, getResourceBundle, getResourceBundleString, getRoot, setResourceBundle, shutdown

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static Logger getInstance()

Deprecated.

Returns the only null logger.

Returns:

the only null logger.

trace

public void trace(Object message)

Deprecated.

Overrides:

trace in class Logger

trace

public void trace(Object message,
         Throwable t)

Deprecated.

Overrides:

trace in class Logger

isTraceEnabled

public boolean isTraceEnabled()

Deprecated.

Overrides:

isTraceEnabled in class Logger

addAppender

public void addAppender(Appender newAppender)

Deprecated.

Specified by:

addAppender in interface AppenderAttachable

Overrides:

addAppender in class Category

assertLog

public void assertLog(boolean assertion,
             String msg)

Deprecated.

Overrides:

assertLog in class Category

callAppenders

public void callAppenders(LoggingEvent event)

Deprecated.

Overrides:

callAppenders in class Category

debug

public void debug(Object message)

Deprecated.

Overrides:

debug in class Category

debug

public void debug(Object message,
         Throwable t)

Deprecated.

Overrides:

debug in class Category

error

public void error(Object message)

Deprecated.

Overrides:

error in class Category

error

public void error(Object message,
         Throwable t)

Deprecated.

Overrides:

error in class Category

fatal

public void fatal(Object message)

Deprecated.

Overrides:

fatal in class Category

fatal

public void fatal(Object message,
         Throwable t)

Deprecated.

Overrides:

fatal in class Category

info

public void info(Object message)

Deprecated.

Overrides:

info in class Category

info

public void info(Object message,
        Throwable t)

Deprecated.

Overrides:

info in class Category

isAttached

public boolean isAttached(Appender appender)

Deprecated.

Specified by:

isAttached in interface AppenderAttachable

Overrides:

isAttached in class Category

isDebugEnabled

public boolean isDebugEnabled()

Deprecated.

Overrides:

isDebugEnabled in class Category

isEnabledFor

public boolean isEnabledFor(Priority level)

Deprecated.

Overrides:

isEnabledFor in class Category

isInfoEnabled

public boolean isInfoEnabled()

Deprecated.

Overrides:

isInfoEnabled in class Category

l7dlog

public void l7dlog(Priority priority,
          String key,
          Throwable t)

Deprecated.

Overrides:

l7dlog in class Category

l7dlog

public void l7dlog(Priority priority,
          String key,
          Object[] params,
          Throwable t)

Deprecated.

Overrides:

l7dlog in class Category

log

public void log(Priority priority,
       Object message,
       Throwable t)

Deprecated.

Overrides:

log in class Category

log

public void log(Priority priority,
       Object message)

Deprecated.

Overrides:

log in class Category

log

public void log(String callerFQCN,
       Priority level,
       Object message,
       Throwable t)

Deprecated.

Overrides:

log in class Category

removeAllAppenders

public void removeAllAppenders()

Deprecated.

Specified by:

removeAllAppenders in interface AppenderAttachable

Overrides:

removeAllAppenders in class Category

removeAppender

public void removeAppender(Appender appender)

Deprecated.

Specified by:

removeAppender in interface AppenderAttachable

Overrides:

removeAppender in class Category

removeAppender

public void removeAppender(String name)

Deprecated.

Specified by:

removeAppender in interface AppenderAttachable

Overrides:

removeAppender in class Category

setAdditivity

public void setAdditivity(boolean additive)

Deprecated.

Overrides:

setAdditivity in class Category

setLevel

public void setLevel(Level level)

Deprecated.

Overrides:

setLevel in class Category

setPriority

public void setPriority(Priority priority)

Deprecated.

Overrides:

setPriority in class Category

warn

public void warn(Object message)

Deprecated.

Overrides:

warn in class Category

warn

public void warn(Object message,
        Throwable t)

Deprecated.

Overrides:

warn in class Category