Method: Arrow::Cache#initialize

Defined in:
lib/arrow/cache.rb

#initialize(name, config = {}, &cleanup) ⇒ Cache

Create a new cache. This merges the DefaultConfig with the specified values and transforms camelCased keys into under_barred ones.



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# File 'lib/arrow/cache.rb', line 53

def initialize( name, config={}, &cleanup )
  @name = name

  # Merge defaults and specified values
  merged = DefaultConfig.merge( config )

  # Transform the config hash into the form the superclass expects
  merged.each_key do |key|
    lckey = key.to_s.gsub( /(.)([A-Z])/ ) {|match|
      match[0,1] + "_" + match[1,1].downcase
    }.to_sym

    next if key == lckey
    merged[ lckey ] = merged.delete( key )
  end

  # Register this instance with the class for introspection (costs
  # much less than ObjectSpace.each_object).
  obj = super( merged, &cleanup )
  self.class.extent << obj

  return obj
end