Class: Hifsm::Machine

Inherits:
Object
  • Object
show all
Defined in:
lib/hifsm/machine.rb

Overview

This is just a storage of current state

Instance Method Summary collapse

Constructor Details

#initialize(fsm, target, initial_state = nil) ⇒ Machine

Returns a new instance of Machine.



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# File 'lib/hifsm/machine.rb', line 4

def initialize(fsm, target, initial_state = nil)
  @target = target || self
  @fsm = fsm

  initial_state_method_name = "initial_#{fsm.name}"
  initial_state ||= target.send(initial_state_method_name) if target.respond_to?(initial_state_method_name)
  initial_state &&= fsm.get_state!(initial_state)
  initial_state ||= fsm.initial_state!

  @state = initial_state.enter!
end

Instance Method Details

#act!(*args) ⇒ Object

Public API



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# File 'lib/hifsm/machine.rb', line 18

def act!(*args)
  @state.act!(@target, *args)
end

#all_states ⇒ Object

internals



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# File 'lib/hifsm/machine.rb', line 39

def all_states
  @fsm.all_states.reject(&:sub_fsm).collect(&:to_s)
end

#fire(event, *args) ⇒ Object 



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# File 'lib/hifsm/machine.rb', line 43

def fire(event, *args)
  @state.fire(@target, event, *args) do |new_state|
    @state = new_state
  end
end

#state ⇒ Object 



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# File 'lib/hifsm/machine.rb', line 22

def state
  @state
end

#states ⇒ Object 



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# File 'lib/hifsm/machine.rb', line 30

def states
  @fsm.states
end

#to_s ⇒ Object 



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# File 'lib/hifsm/machine.rb', line 34

def to_s
  @state.to_s
end

#valid_events(*args) ⇒ Object 



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# File 'lib/hifsm/machine.rb', line 26

def valid_events(*args)
  @state.valid_events(@target, *args)
end