Class: NullLogger

Inherits:
Object
  • Object
show all
Defined in:
lib/null_logger.rb,
lib/null_logger/version.rb

Overview

Null logger class. This is essentially the same as sending data down the ‘/dev/null` black hole.

Examples:

Basic Usage


logger = NullLogger.new
Rails.logger = logger

Basic Pattern Usage

class SomeService
  def initialize(options = {})
    @logger = options[:logger] || NullLogger.new
  end

  def perform
    @logger.debug -> { "do some work here" }
    # .. ..
    @logger.info -> { "finished working" }
  end
end

service = SomeService.new(logger: Logger.new(STDOUT))
service.perform

silent = SomeService.new(logger: NullLogger.new
silent.perform

Constant Summary collapse

VERSION =

null-logger gem Version

'0.1.7'

Instance Method Summary collapse

Instance Method Details

#debug(*_args) ⇒ nil

Parameters:

  • _args —

    Anything that we want to ignore

Returns:

  • (nil) 


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# File 'lib/null_logger.rb', line 84

def debug(*_args)
  nil
end

#debug? ⇒ FALSE

Returns:

  • (FALSE) 


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# File 'lib/null_logger.rb', line 89

def debug?
  false
end

#error(*_args) ⇒ nil

Parameters:

  • _args —

    Anything that we want to ignore

Returns:

  • (nil) 


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# File 'lib/null_logger.rb', line 51

def error(*_args)
  nil
end

#error? ⇒ FALSE

Returns:

  • (FALSE) 


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# File 'lib/null_logger.rb', line 56

def error?
  false
end

#fatal(*_args) ⇒ nil

Parameters:

  • _args —

    Anything that we want to ignore

Returns:

  • (nil) 


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# File 'lib/null_logger.rb', line 40

def fatal(*_args)
  nil
end

#fatal? ⇒ FALSE

Returns:

  • (FALSE) 


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# File 'lib/null_logger.rb', line 45

def fatal?
  false
end

#info(*_args) ⇒ nil

Parameters:

  • _args —

    Anything that we want to ignore

Returns:

  • (nil) 


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# File 'lib/null_logger.rb', line 73

def info(*_args)
  nil
end

#info? ⇒ FALSE

Returns:

  • (FALSE) 


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# File 'lib/null_logger.rb', line 78

def info?
  false
end

#unknown(*_args) ⇒ nil

Parameters:

  • _args —

    Anything that we want to ignore

Returns:

  • (nil) 


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# File 'lib/null_logger.rb', line 34

def unknown(*_args)
  nil
end

#warn(*_args) ⇒ nil

Parameters:

  • _args —

    Anything that we want to ignore

Returns:

  • (nil) 


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# File 'lib/null_logger.rb', line 62

def warn(*_args)
  nil
end

#warn? ⇒ FALSE

Returns:

  • (FALSE) 


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# File 'lib/null_logger.rb', line 67

def warn?
  false
end