程序包 com.mysql.cj.log

类 NullLogger

java.lang.Object

com.mysql.cj.log.NullLogger

所有已实现的接口:

Log

public class NullLogger
extends Object
implements Log

A logger that does nothing. Used before the log is configured via the URL or properties.

字段概要

从接口继承的字段 com.mysql.cj.log.Log

LOGGER_INSTANCE_NAME

构造器概要

构造器

构造器	说明
NullLogger(String instanceName)	Creates a new NullLogger with the given name

方法概要

修饰符和类型	方法	说明
boolean	isDebugEnabled()	Is the 'debug' log level enabled?
boolean	isErrorEnabled()	Is the 'error' log level enabled?
boolean	isFatalEnabled()	Is the 'fatal' log level enabled?
boolean	isInfoEnabled()	Is the 'info' log level enabled?
boolean	isTraceEnabled()	Is the 'trace' log level enabled?
boolean	isWarnEnabled()	Is the 'warn' log level enabled?
void	logDebug(Object msg)	Logs the given message instance using the 'debug' level
void	logDebug(Object msg, Throwable thrown)	Logs the given message and Throwable at the 'debug' level.
void	logError(Object msg)	Logs the given message instance using the 'error' level
void	logError(Object msg, Throwable thrown)	Logs the given message and Throwable at the 'error' level.
void	logFatal(Object msg)	Logs the given message instance using the 'fatal' level
void	logFatal(Object msg, Throwable thrown)	Logs the given message and Throwable at the 'fatal' level.
void	logInfo(Object msg)	Logs the given message instance using the 'info' level
void	logInfo(Object msg, Throwable thrown)	Logs the given message and Throwable at the 'info' level.
void	logTrace(Object msg)	Logs the given message instance using the 'trace' level
void	logTrace(Object msg, Throwable thrown)	Logs the given message and Throwable at the 'trace' level.
void	logWarn(Object msg)	Logs the given message instance using the 'warn' level
void	logWarn(Object msg, Throwable thrown)	Logs the given message and Throwable at the 'warn' level.

从类继承的方法 java.lang.Object

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

构造器详细资料

NullLogger

public NullLogger(String instanceName)

Creates a new NullLogger with the given name

参数:

instanceName - (ignored)

方法详细资料

isDebugEnabled

public boolean isDebugEnabled()

从接口复制的说明: Log

Is the 'debug' log level enabled?

指定者:

isDebugEnabled 在接口中 Log

返回:

true if so.

isErrorEnabled

public boolean isErrorEnabled()

从接口复制的说明: Log

Is the 'error' log level enabled?

指定者:

isErrorEnabled 在接口中 Log

返回:

true if so.

isFatalEnabled

public boolean isFatalEnabled()

从接口复制的说明: Log

Is the 'fatal' log level enabled?

指定者:

isFatalEnabled 在接口中 Log

返回:

true if so.

isInfoEnabled

public boolean isInfoEnabled()

从接口复制的说明: Log

Is the 'info' log level enabled?

指定者:

isInfoEnabled 在接口中 Log

返回:

true if so.

isTraceEnabled

public boolean isTraceEnabled()

从接口复制的说明: Log

Is the 'trace' log level enabled?

指定者:

isTraceEnabled 在接口中 Log

返回:

true if so.

isWarnEnabled

public boolean isWarnEnabled()

从接口复制的说明: Log

Is the 'warn' log level enabled?

指定者:

isWarnEnabled 在接口中 Log

返回:

true if so.

logDebug

public void logDebug(Object msg)

从接口复制的说明: Log

Logs the given message instance using the 'debug' level

指定者:

logDebug 在接口中 Log

参数:

msg - the message to log

logDebug

public void logDebug(Object msg,
                     Throwable thrown)

从接口复制的说明: Log

Logs the given message and Throwable at the 'debug' level.

指定者:

logDebug 在接口中 Log

参数:

msg - the message to log

thrown - the throwable to log (may be null)

logError

public void logError(Object msg)

从接口复制的说明: Log

Logs the given message instance using the 'error' level

指定者:

logError 在接口中 Log

参数:

msg - the message to log

logError

public void logError(Object msg,
                     Throwable thrown)

从接口复制的说明: Log

Logs the given message and Throwable at the 'error' level.

指定者:

logError 在接口中 Log

参数:

msg - the message to log

thrown - the throwable to log (may be null)

logFatal

public void logFatal(Object msg)

从接口复制的说明: Log

Logs the given message instance using the 'fatal' level

指定者:

logFatal 在接口中 Log

参数:

msg - the message to log

logFatal

public void logFatal(Object msg,
                     Throwable thrown)

从接口复制的说明: Log

Logs the given message and Throwable at the 'fatal' level.

指定者:

logFatal 在接口中 Log

参数:

msg - the message to log

thrown - the throwable to log (may be null)

logInfo

public void logInfo(Object msg)

从接口复制的说明: Log

Logs the given message instance using the 'info' level

指定者:

logInfo 在接口中 Log

参数:

msg - the message to log

logInfo

public void logInfo(Object msg,
                    Throwable thrown)

从接口复制的说明: Log

Logs the given message and Throwable at the 'info' level.

指定者:

logInfo 在接口中 Log

参数:

msg - the message to log

thrown - the throwable to log (may be null)

logTrace

public void logTrace(Object msg)

从接口复制的说明: Log

Logs the given message instance using the 'trace' level

指定者:

logTrace 在接口中 Log

参数:

msg - the message to log

logTrace

public void logTrace(Object msg,
                     Throwable thrown)

从接口复制的说明: Log

Logs the given message and Throwable at the 'trace' level.

指定者:

logTrace 在接口中 Log

参数:

msg - the message to log

thrown - the throwable to log (may be null)

logWarn

public void logWarn(Object msg)

从接口复制的说明: Log

Logs the given message instance using the 'warn' level

指定者:

logWarn 在接口中 Log

参数:

msg - the message to log

logWarn

public void logWarn(Object msg,
                    Throwable thrown)

从接口复制的说明: Log

Logs the given message and Throwable at the 'warn' level.

指定者:

logWarn 在接口中 Log

参数:

msg - the message to log

thrown - the throwable to log (may be null)