instance method subclass_from_attributes

Ruby on Rails 5.0.7.2

Since v4.0.13 Private — implementation detail, not part of the public API

Available in: v4.0.13 v4.1.16 v4.2.11.3 v5.0.7.2 v5.1.7 v5.2.8.1 v6.0.6.1 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3.2 v8.0.5.1 v8.1.3.1 edge

Signature

subclass_from_attributes(attrs)

Detect the subclass from the inheritance column of attrs. If the inheritance column value is not self or a valid subclass, raises ActiveRecord::SubclassNotFound

Parameters

attrs req
Source
# File activerecord/lib/active_record/inheritance.rb, line 203
      def subclass_from_attributes(attrs)
        attrs = attrs.to_h if attrs.respond_to?(:permitted?)
        if attrs.is_a?(Hash)
          subclass_name = attrs.with_indifferent_access[inheritance_column]

          if subclass_name.present?
            find_sti_class(subclass_name)
          end
        end
      end

Defined in activerecord/lib/active_record/inheritance.rb line 203 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Inheritance::ClassMethods

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