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attributes_accessor.rb
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attributes_accessor.rb
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module Virtus
# Host attribute accessor methods
class AttributesAccessor < Module
# Initialize a module for hosting Attribute access methods
#
# @param [Symbol, String] name
#
# @api private
def initialize(name)
super()
@name = name
end
# Defines an attribute reader method
#
# @param [Attribute] attribute
# @param [Symbol] method_name
# @param [Symbol] visibility
#
# @return [self]
#
# @api private
def define_reader_method(attribute, method_name, visibility)
define_method(method_name) { attribute.get(self) }
send(visibility, method_name)
self
end
# Defines an attribute writer method
#
# @param [Attribute] attribute
# @param [Symbol] method_name
# @param [Symbol] visibility
#
# @return [self]
#
# @api private
def define_writer_method(attribute, method_name, visibility)
define_method(method_name) { |value| attribute.set(self, value) }
send(visibility, method_name)
self
end
# The inspect value of this Module
#
# This provides meaningful output when inspecting the ancestors
# of a class/module that includes this module
#
# @example
#
# class ClassWithAttributes
# include Virtus
# end
#
# mod = ClassWithAttributes.send(:virtus_setup_attributes_accessor_module)
# mod.inspect
#
# @return [String]
#
# @api public
def inspect
"#{@name}::AttributesAccessor"
end
end
end