instance method `subclass_from_attributes?`

Ruby on Rails 4.1.16

Since v4.0.13 Last seen in v4.2.9 Private

Available in: v4.0.13 v4.1.16 v4.2.9

Compare with:

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 If this is a StrongParameters hash, and access to inheritance_column is not permitted, this will ignore the inheritance column and return nil

Parameters

attrs req

Source

# File activerecord/lib/active_record/inheritance.rb, line 179
      def subclass_from_attributes?(attrs)
        columns_hash.include?(inheritance_column) && attrs.is_a?(Hash)
      end

Defined in activerecord/lib/active_record/inheritance.rb line 179 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Inheritance::ClassMethods

Signature

Parameters