Class: NxtStateMachine::State

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/nxt_state_machine/state.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(enum, state_machine, **opts) ⇒ State

Returns a new instance of State.



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# File 'lib/nxt_state_machine/state.rb', line 5

def initialize(enum, state_machine, **opts)
  @enum = enum
  @state_machine = state_machine
  @initial = opts.delete(:initial)
  @transitions = []
  @options = opts.with_indifferent_access
  @index = opts.fetch(:index)

  ensure_index_not_occupied
end

Instance Attribute Details

#enum ⇒ Object

Returns the value of attribute enum.



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# File 'lib/nxt_state_machine/state.rb', line 16

def enum
  @enum
end

#index ⇒ Object

Returns the value of attribute index.



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# File 'lib/nxt_state_machine/state.rb', line 16

def index
  @index
end

#initial ⇒ Object

Returns the value of attribute initial.



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# File 'lib/nxt_state_machine/state.rb', line 16

def initial
  @initial
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/nxt_state_machine/state.rb', line 16

def options
  @options
end

#state_machine ⇒ Object

Returns the value of attribute state_machine.



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# File 'lib/nxt_state_machine/state.rb', line 16

def state_machine
  @state_machine
end

#transitions ⇒ Object

Returns the value of attribute transitions.



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# File 'lib/nxt_state_machine/state.rb', line 16

def transitions
  @transitions
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/nxt_state_machine/state.rb', line 44

def <=>(other)
  index <=> other.index
end

#events ⇒ Object 



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# File 'lib/nxt_state_machine/state.rb', line 40

def events
  state_machine.events_for_state(enum)
end

#first? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nxt_state_machine/state.rb', line 36

def first?
  sorted_states.first.index == index
end

#last? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nxt_state_machine/state.rb', line 32

def last?
  sorted_states.last.index == index
end

#next ⇒ Object 



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# File 'lib/nxt_state_machine/state.rb', line 27

def next
  current_index = sorted_states.index { |state| state.index == index }
  sorted_states[(current_index + 1) % sorted_states.size]
end

#previous ⇒ Object 



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# File 'lib/nxt_state_machine/state.rb', line 22

def previous
  current_index = sorted_states.index { |state| state.index == index }
  sorted_states[(current_index - 1) % sorted_states.size]
end

#to_s ⇒ Object 



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# File 'lib/nxt_state_machine/state.rb', line 18

def to_s
  enum.to_s
end