Module: Dimensional::Enum::ClassMethods

Defined in:
lib/dimensional/enum.rb

Instance Method Summary collapse

Instance Method Details

#def_enum(enum_key) ⇒ Object 



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# File 'lib/dimensional/enum.rb', line 21

def def_enum( enum_key )
  if @enum_attributes.nil?
    raise ::Dimensional::Enum::InvalidDefinition, "Undefined @enum_attributes on #{self}"
  end

  unless @enum_attributes.include? enum_key
    raise ::Dimensional::Enum::InvalidDefinition, "Undefined enum_key #{enum_key} in @enum_attributes"
  end
  
  enum_values     = @enum_attributes.to_value_h( enum_key )
  enum_attribute  = @enum_attributes.to_attribute_h( enum_key )

  self.class_eval do
    enum enum_key => enum_values

    define_method enum_key do
      return nil unless attr_key = super()
      ::Dimensional::Enum::Attribute.new attr_key, enum_attribute
    end
  end
end

#set_enum_attributes(enum_attributes) ⇒ Object 



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# File 'lib/dimensional/enum.rb', line 17

def set_enum_attributes( enum_attributes )
  @enum_attributes = enum_attributes
end