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Class: ActiveRecord::AttributeMethods::AttributeMethodCache

Relationships & Source Files
Inherits: Object
Defined in: activerecord/lib/active_record/attribute_methods.rb

Class Method Summary

Instance Method Summary

Constructor Details

.new ⇒ AttributeMethodCache

[ GitHub ] 

  


# File 'activerecord/lib/active_record/attribute_methods.rb', line 38



def initialize
  @module = Module.new
  @method_cache = ThreadSafe::Cache.new
end


  







Instance Method Details



  

    #[](name)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/attribute_methods.rb', line 43



def [](name)
  @method_cache.compute_if_absent(name) do
    safe_name = name.unpack('h*').first
    temp_method = "__temp__#{safe_name}"
    ActiveRecord::AttributeMethods::AttrNames.set_name_cache safe_name, name
    @module.module_eval method_body(temp_method, safe_name), __FILE__, __LINE__
    @module.instance_method temp_method
  end
end