aasm/lib/state_transition.rb

28 lines
516 B
Ruby

module AASM
module SupportingClasses
class StateTransition
attr_reader :from, :to, :opts
def initialize(opts)
@from, @to, @guard = opts[:from], opts[:to], opts[:guard]
@opts = opts
end
def perform(obj)
case @guard
when Symbol, String
obj.send(@guard)
when Proc
@guard.call(obj)
else
true
end
end
def ==(obj)
@from == obj.from && @to == obj.to
end
end
end
end