public
Created

  • Download Gist
collect_subclasses.rb
Ruby
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
class BusinessEvent
def self.inherited(clazz)
subclasses << clazz
end
def self.subclasses
@@subclasses ||= []
end
end
 
class OrderEvent < BusinessEvent
end
 
class PurchaseEvent < BusinessEvent
end
 
class CustomerEvent < BusinessEvent
end
 
puts BusinessEvent.subclasses.inspect
# => [OrderEvent, PurchaseEvent, CustomerEvent]

Please sign in to comment on this gist.

Something went wrong with that request. Please try again.