Package com.mysql.cj.log

Class NullLogger

java.lang.Object
com.mysql.cj.log.NullLogger
All Implemented Interfaces:
Log
public class NullLogger
extends java.lang.Object
implements Log
A logger that does nothing. Used before the log is configured via the URL or properties.

  • Field Summary

    Fields inherited from interface com.mysql.cj.log.Log

    LOGGER_INSTANCE_NAME

  • Constructor Summary

    Constructors 
    Constructor Description
    NullLogger​(java.lang.String instanceName)
    Creates a new NullLogger with the given name

  • Method Summary

    Modifier and Type Method Description
    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​(java.lang.Object msg)
    Logs the given message instance using the 'debug' level
    void logDebug​(java.lang.Object msg, java.lang.Throwable thrown)
    Logs the given message and Throwable at the 'debug' level.
    void logError​(java.lang.Object msg)
    Logs the given message instance using the 'error' level
    void logError​(java.lang.Object msg, java.lang.Throwable thrown)
    Logs the given message and Throwable at the 'error' level.
    void logFatal​(java.lang.Object msg)
    Logs the given message instance using the 'fatal' level
    void logFatal​(java.lang.Object msg, java.lang.Throwable thrown)
    Logs the given message and Throwable at the 'fatal' level.
    void logInfo​(java.lang.Object msg)
    Logs the given message instance using the 'info' level
    void logInfo​(java.lang.Object msg, java.lang.Throwable thrown)
    Logs the given message and Throwable at the 'info' level.
    void logTrace​(java.lang.Object msg)
    Logs the given message instance using the 'trace' level
    void logTrace​(java.lang.Object msg, java.lang.Throwable thrown)
    Logs the given message and Throwable at the 'trace' level.
    void logWarn​(java.lang.Object msg)
    Logs the given message instance using the 'warn' level
    void logWarn​(java.lang.Object msg, java.lang.Throwable thrown)
    Logs the given message and Throwable at the 'warn' level.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • NullLogger

      public NullLogger​(java.lang.String instanceName)
      Creates a new NullLogger with the given name
      Parameters:
      instanceName - (ignored)

  • Method Details

    • isDebugEnabled

      public boolean isDebugEnabled()
      Description copied from interface: Log
      Is the 'debug' log level enabled?
      Specified by:
      isDebugEnabled in interface Log
      Returns:
      true if so.

    • isErrorEnabled

      public boolean isErrorEnabled()
      Description copied from interface: Log
      Is the 'error' log level enabled?
      Specified by:
      isErrorEnabled in interface Log
      Returns:
      true if so.

    • isFatalEnabled

      public boolean isFatalEnabled()
      Description copied from interface: Log
      Is the 'fatal' log level enabled?
      Specified by:
      isFatalEnabled in interface Log
      Returns:
      true if so.

    • isInfoEnabled

      public boolean isInfoEnabled()
      Description copied from interface: Log
      Is the 'info' log level enabled?
      Specified by:
      isInfoEnabled in interface Log
      Returns:
      true if so.

    • isTraceEnabled

      public boolean isTraceEnabled()
      Description copied from interface: Log
      Is the 'trace' log level enabled?
      Specified by:
      isTraceEnabled in interface Log
      Returns:
      true if so.

    • isWarnEnabled

      public boolean isWarnEnabled()
      Description copied from interface: Log
      Is the 'warn' log level enabled?
      Specified by:
      isWarnEnabled in interface Log
      Returns:
      true if so.

    • logDebug

      public void logDebug​(java.lang.Object msg)
      Description copied from interface: Log
      Logs the given message instance using the 'debug' level
      Specified by:
      logDebug in interface Log
      Parameters:
      msg - the message to log

    • logDebug

      public void logDebug​(java.lang.Object msg, java.lang.Throwable thrown)
      Description copied from interface: Log
      Logs the given message and Throwable at the 'debug' level.
      Specified by:
      logDebug in interface Log
      Parameters:
      msg - the message to log
      thrown - the throwable to log (may be null)

    • logError

      public void logError​(java.lang.Object msg)
      Description copied from interface: Log
      Logs the given message instance using the 'error' level
      Specified by:
      logError in interface Log
      Parameters:
      msg - the message to log

    • logError

      public void logError​(java.lang.Object msg, java.lang.Throwable thrown)
      Description copied from interface: Log
      Logs the given message and Throwable at the 'error' level.
      Specified by:
      logError in interface Log
      Parameters:
      msg - the message to log
      thrown - the throwable to log (may be null)

    • logFatal

      public void logFatal​(java.lang.Object msg)
      Description copied from interface: Log
      Logs the given message instance using the 'fatal' level
      Specified by:
      logFatal in interface Log
      Parameters:
      msg - the message to log

    • logFatal

      public void logFatal​(java.lang.Object msg, java.lang.Throwable thrown)
      Description copied from interface: Log
      Logs the given message and Throwable at the 'fatal' level.
      Specified by:
      logFatal in interface Log
      Parameters:
      msg - the message to log
      thrown - the throwable to log (may be null)

    • logInfo

      public void logInfo​(java.lang.Object msg)
      Description copied from interface: Log
      Logs the given message instance using the 'info' level
      Specified by:
      logInfo in interface Log
      Parameters:
      msg - the message to log

    • logInfo

      public void logInfo​(java.lang.Object msg, java.lang.Throwable thrown)
      Description copied from interface: Log
      Logs the given message and Throwable at the 'info' level.
      Specified by:
      logInfo in interface Log
      Parameters:
      msg - the message to log
      thrown - the throwable to log (may be null)

    • logTrace

      public void logTrace​(java.lang.Object msg)
      Description copied from interface: Log
      Logs the given message instance using the 'trace' level
      Specified by:
      logTrace in interface Log
      Parameters:
      msg - the message to log

    • logTrace

      public void logTrace​(java.lang.Object msg, java.lang.Throwable thrown)
      Description copied from interface: Log
      Logs the given message and Throwable at the 'trace' level.
      Specified by:
      logTrace in interface Log
      Parameters:
      msg - the message to log
      thrown - the throwable to log (may be null)

    • logWarn

      public void logWarn​(java.lang.Object msg)
      Description copied from interface: Log
      Logs the given message instance using the 'warn' level
      Specified by:
      logWarn in interface Log
      Parameters:
      msg - the message to log

    • logWarn

      public void logWarn​(java.lang.Object msg, java.lang.Throwable thrown)
      Description copied from interface: Log
      Logs the given message and Throwable at the 'warn' level.
      Specified by:
      logWarn in interface Log
      Parameters:
      msg - the message to log
      thrown - the throwable to log (may be null)