class ProvidedState attr_accessor :transient_store, :persisted_store include AASM aasm do state :alpha, :initial => true state :beta state :gamma event :release do transitions :from => [:alpha, :beta, :gamma], :to => :beta end end def aasm_read_state :beta end def aasm_write_state(new_state) @persisted_store = new_state end def aasm_write_state_without_persistence(new_state) @transient_store = new_state end end