Module: ScottBarron::Acts::StateMachine::InstanceMethods

Defined in:
lib/acts_as_state_machine.rb

Instance Method Summary collapse

Instance Method Details

#current_state ⇒ Object

Returns the current state the object is in, as a Ruby symbol.



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# File 'lib/acts_as_state_machine.rb', line 150

def current_state
  self.send(self.class.state_column).to_sym
end

#next_state_for_event(event) ⇒ Object

Returns what the next state for a given event would be, as a Ruby symbol.



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# File 'lib/acts_as_state_machine.rb', line 155

def next_state_for_event(event)
  ns = next_states_for_event(event)
  ns.empty? ? nil : ns.first.to.to_sym
end

#next_states_for_event(event) ⇒ Object 



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# File 'lib/acts_as_state_machine.rb', line 160

def next_states_for_event(event)
  self.class.read_inheritable_attribute(:transition_table)[event.to_sym].select do |s|
    s.from == current_state.to_s
  end
end

#run_initial_state_actions ⇒ Object 



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# File 'lib/acts_as_state_machine.rb', line 143

def run_initial_state_actions
  initial = self.class.read_inheritable_attribute(:states)[self.class.initial_state.to_s]
  initial.entering(self)
  initial.entered(self)
end

#set_initial_state ⇒ Object

:nodoc:



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# File 'lib/acts_as_state_machine.rb', line 139

def set_initial_state #:nodoc:
  write_attribute self.class.state_column, self.class.initial_state.to_s
end