method

subclasses_of

v2.3.2 - Show latest stable - 0 notes - Class: Object

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What's this?

subclasses_of(*superclasses) public

JRuby and any implementations which cannot handle the objectspace traversal above fall back to this implementation

# File activesupport/lib/active_support/core_ext/object/extending.rb, line 29
    def subclasses_of(*superclasses) #:nodoc:
      subclasses = []

      superclasses.each do |sup|
        ObjectSpace.each_object(Class) do |k|
          if superclasses.any? { |superclass| k < superclass } &&
            (k.name.blank? || eval("defined?(::#{k}) && ::#{k}.object_id == k.object_id"))
            subclasses << k
          end
        end
        subclasses.uniq!
      end
      subclasses
    end

subclasses_of

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