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Contents
module Dynflow
module Stateful
def self.included(base)
base.extend ClassMethods
end
module ClassMethods
def states
raise NotImplementedError
end
def state_transitions
raise NotImplementedError
end
end
def states
self.class.states
end
def state_transitions
self.class.state_transitions
end
attr_reader :state
def state=(state)
set_state state, false
end
def set_state(state, skip_transition_check)
state = state.to_sym if state.is_a?(String) && states.map(&:to_s).include?(state)
raise "unknown state #{state}" unless states.include? state
unless self.state.nil? || skip_transition_check || state_transitions.fetch(self.state).include?(state)
raise "invalid state transition #{self.state} >> #{state} in #{self}"
end
@state = state
end
end
end
Version data entries
76 entries across 76 versions & 1 rubygems