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Class: ActiveSupport::CachingKeyGenerator

Relationships & Source Files
Inherits: Object
Defined in: activesupport/lib/active_support/key_generator.rb

Overview

Caching Key Generator

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.

Class Method Summary

Instance Method Summary

Constructor Details

.new(key_generator) ⇒ CachingKeyGenerator

[ GitHub ]

  
# File 'activesupport/lib/active_support/key_generator.rb', line 56

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

Instance Method Details

#generate_key(*args)

Returns a derived key suitable for use.

[ GitHub ]

  
# File 'activesupport/lib/active_support/key_generator.rb', line 62

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