Interface Logger


  • public interface Logger
    This class is not part of the public API. It may be removed or changed at any time.
    • Method Summary

      All Methods Instance Methods Abstract Methods Default Methods 
      Modifier and Type Method Description
      default void debug​(String msg)
      Log a message at the DEBUG level.
      default void debug​(String msg, Throwable t)
      Log an exception (throwable) at the DEBUG level with an accompanying message.
      default void error​(String msg)
      Log a message at the ERROR level.
      default void error​(String msg, Throwable t)
      Log an exception (throwable) at the ERROR level with an accompanying message.
      String getName()
      Return the name of this Logger instance.
      default void info​(String msg)
      Log a message at the INFO level.
      default void info​(String msg, Throwable t)
      Log an exception (throwable) at the INFO level with an accompanying message.
      default boolean isDebugEnabled()
      Is the logger instance enabled for the DEBUG level?
      default boolean isErrorEnabled()
      Is the logger instance enabled for the ERROR level?
      default boolean isInfoEnabled()
      Is the logger instance enabled for the INFO level?
      default boolean isTraceEnabled()
      Is the logger instance enabled for the TRACE level?
      default boolean isWarnEnabled()
      Is the logger instance enabled for the WARN level?
      default void trace​(String msg)
      Log a message at the TRACE level.
      default void trace​(String msg, Throwable t)
      Log an exception (throwable) at the TRACE level with an accompanying message.
      default void warn​(String msg)
      Log a message at the WARN level.
      default void warn​(String msg, Throwable t)
      Log an exception (throwable) at the WARN level with an accompanying message.
    • Method Detail

      • getName

        String getName()
        Return the name of this Logger instance.
        Returns:
        name of this logger instance
      • isTraceEnabled

        default boolean isTraceEnabled()
        Is the logger instance enabled for the TRACE level?
        Returns:
        True if this Logger is enabled for the TRACE level, false otherwise.
        Since:
        1.4
      • trace

        default void trace​(String msg)
        Log a message at the TRACE level.
        Parameters:
        msg - the message string to be logged
        Since:
        1.4
      • trace

        default void trace​(String msg,
                           Throwable t)
        Log an exception (throwable) at the TRACE level with an accompanying message.
        Parameters:
        msg - the message accompanying the exception
        t - the exception (throwable) to log
        Since:
        1.4
      • isDebugEnabled

        default boolean isDebugEnabled()
        Is the logger instance enabled for the DEBUG level?
        Returns:
        True if this Logger is enabled for the DEBUG level, false otherwise.
      • debug

        default void debug​(String msg)
        Log a message at the DEBUG level.
        Parameters:
        msg - the message string to be logged
      • debug

        default void debug​(String msg,
                           Throwable t)
        Log an exception (throwable) at the DEBUG level with an accompanying message.
        Parameters:
        msg - the message accompanying the exception
        t - the exception (throwable) to log
      • isInfoEnabled

        default boolean isInfoEnabled()
        Is the logger instance enabled for the INFO level?
        Returns:
        True if this Logger is enabled for the INFO level, false otherwise.
      • info

        default void info​(String msg)
        Log a message at the INFO level.
        Parameters:
        msg - the message string to be logged
      • info

        default void info​(String msg,
                          Throwable t)
        Log an exception (throwable) at the INFO level with an accompanying message.
        Parameters:
        msg - the message accompanying the exception
        t - the exception (throwable) to log
      • isWarnEnabled

        default boolean isWarnEnabled()
        Is the logger instance enabled for the WARN level?
        Returns:
        True if this Logger is enabled for the WARN level, false otherwise.
      • warn

        default void warn​(String msg)
        Log a message at the WARN level.
        Parameters:
        msg - the message string to be logged
      • warn

        default void warn​(String msg,
                          Throwable t)
        Log an exception (throwable) at the WARN level with an accompanying message.
        Parameters:
        msg - the message accompanying the exception
        t - the exception (throwable) to log
      • isErrorEnabled

        default boolean isErrorEnabled()
        Is the logger instance enabled for the ERROR level?
        Returns:
        True if this Logger is enabled for the ERROR level, false otherwise.
      • error

        default void error​(String msg)
        Log a message at the ERROR level.
        Parameters:
        msg - the message string to be logged
      • error

        default void error​(String msg,
                           Throwable t)
        Log an exception (throwable) at the ERROR level with an accompanying message.
        Parameters:
        msg - the message accompanying the exception
        t - the exception (throwable) to log