Panda

gistfile1.rb

class Rule
  def self.add_reaction(reaction)
    @reactions << reaction
  end
end

class DuplicateFound < Rule
  def match(records)
    #dup logic
  end
end

class DeleteRecord
  def perform(record)
    #del
  end
end

class NotifyEng
  def perform(record)
    #send email
  end
end

# in initializer
DuplicateFound.add_reaction(DeleteRecord)
DuplicateFound.add_reaction(NotifyEng)