ILoggerFactory instances manufacture Logger instances by name. Most users retrieve Logger instances through the ActorSystem) method. An instance of of this interface is bound internally with LoggerFactory class at compile time.
Return an appropriate Logger instance as specified by the name parameter. If the name parameter is equal to Logger.ROOT_LOGGER_NAME, that is the string value "ROOT" (case insensitive), then the root logger of the underlying logging system is returned. Null-valued name arguments are considered invalid. Certain extremely simple logging systems, e.g. NOP, may always return the same logger instance regardless of the requested name.
Return an appropriate Logger instance as specified by the name parameter. If the name parameter is equal to Logger.ROOT_LOGGER_NAME, that is the string value "ROOT" (case insensitive), then the root logger of the underlying logging system is returned. Null-valued name arguments are considered invalid. Certain extremely simple logging systems, e.g. NOP, may always return the same logger instance regardless of the requested name.