Class: ActiveSupport::CachingKeyGenerator

Inherits:
Object
  • Object
show all
Defined in:
activesupport/lib/active_support/key_generator.rb

Overview

CachingKeyGenerator is a wrapper around KeyGenerator which allows users to avoid re-executing the key generation process when it’s called using the same salt and key_size.

Instance Method Summary collapse

Constructor Details

#initialize(key_generator) ⇒ CachingKeyGenerator

Returns a new instance of CachingKeyGenerator.



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# File 'activesupport/lib/active_support/key_generator.rb', line 31

def initialize(key_generator)
  @key_generator = key_generator
  @cache_keys = Concurrent::Map.new
end

Instance Method Details

#generate_key(*args) ⇒ Object

Returns a derived key suitable for use.



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# File 'activesupport/lib/active_support/key_generator.rb', line 37

def generate_key(*args)
  @cache_keys[args.join] ||= @key_generator.generate_key(*args)
end