Class: Logging::Filters::Level

Inherits:

Logging::Filter

• Object
• Logging::Filter
• Logging::Filters::Level

Defined in:

lib/logging/filters/level.rb

Overview

The ‘Level` filter class provides a simple level-based filtering mechanism that filters messages to only include those from an enumerated list of levels to log.

Instance Method Summary

• #allow(event) ⇒ Object
• #initialize(*levels) ⇒ Level constructor

  Creates a new level filter that will only allow the given levels to propagate through to the logging destination.

Constructor Details

#initialize(*levels) ⇒ Level

Creates a new level filter that will only allow the given levels to propagate through to the logging destination. The levels should be given in symbolic form.

Examples

Logging::Filters::Level.new(:debug, :info)

# File 'lib/logging/filters/level.rb', line 18

def initialize( *levels )
  levels  = levels.map { |level| ::Logging::level_num(level) }
  @levels = Set.new levels
end

Instance Method Details

#allow(event) ⇒ Object

# File 'lib/logging/filters/level.rb', line 23

def allow( event )
  @levels.include?(event.level) ? event : nil
end