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Versions: 37
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Contents
# frozen_string_literal: true
module ActiveRecord
module AttributeMethods
module Read
extend ActiveSupport::Concern
module ClassMethods # :nodoc:
private
def define_method_attribute(name, owner:)
ActiveModel::AttributeMethods::AttrNames.define_attribute_accessor_method(
owner, name
) do |temp_method_name, attr_name_expr|
owner <<
"def #{temp_method_name}" <<
" _read_attribute(#{attr_name_expr}) { |n| missing_attribute(n, caller) }" <<
"end"
end
end
end
# Returns the value of the attribute identified by <tt>attr_name</tt> after
# it has been typecast (for example, "2004-12-12" in a date column is cast
# to a date object, like Date.new(2004, 12, 12)).
def read_attribute(attr_name, &block)
name = attr_name.to_s
name = self.class.attribute_aliases[name] || name
name = @primary_key if name == "id" && @primary_key
@attributes.fetch_value(name, &block)
end
# This method exists to avoid the expensive primary_key check internally, without
# breaking compatibility with the read_attribute API
def _read_attribute(attr_name, &block) # :nodoc
@attributes.fetch_value(attr_name, &block)
end
alias :attribute :_read_attribute
private :attribute
end
end
end
Version data entries
37 entries across 37 versions & 4 rubygems