method

instantiate

v3.2.13 - Show latest stable - Class: ActiveRecord::Inheritance::ClassMethods

instantiate(record)

public

Finder methods must instantiate through this method to work with the single-table inheritance model that makes it possible to create objects of different types from the same table.

# File activerecord/lib/active_record/inheritance.rb, line 61
      def instantiate(record)
        sti_class = find_sti_class(record[inheritance_column])
        record_id = sti_class.primary_key && record[sti_class.primary_key]

        if ActiveRecord::IdentityMap.enabled? && record_id
          instance = use_identity_map(sti_class, record_id, record)
        else
          instance = sti_class.allocate.init_with('attributes' => record)
        end

        instance
      end

instantiate

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