Module: QueuedStateMachine

Defined in:
lib/queued_state_machine.rb,
lib/queued_state_machine/invalid_transition.rb

Defined Under Namespace

Modules: ClassMethods Classes: InvalidTransition

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/queued_state_machine.rb', line 5

def self.included(base)
  base.extend(ClassMethods)
end

Instance Method Details

#at ⇒ Object 



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# File 'lib/queued_state_machine.rb', line 126

def at
  @state
end

#at?(arg) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/queued_state_machine.rb', line 130

def at?(arg)
  list = self.class.clean_state_list(arg)
  raise if list == nil
  list.include?(@state)
end

#initialize ⇒ Object 



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# File 'lib/queued_state_machine.rb', line 100

def initialize
  super
  @state = self.class.initial_state
  @pending_transitions = []
end

#quietly_to(state) ⇒ Object 



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# File 'lib/queued_state_machine.rb', line 122

def quietly_to(state)
  to(state, quiet: true)
end

#to(state, quiet: false) ⇒ Object 



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# File 'lib/queued_state_machine.rb', line 106

def to(state, quiet: false)
  from = @state
  to = self.class.clean_state(state)
  @pending_transitions << {from: from, to: to, quiet: quiet}
  return if @pending_transitions.length > 1
  loop do
    next_transition = @pending_transitions.first
    break unless next_transition
    @state = next_transition[:to]
    unless next_transition[:quiet]
      process_transition(next_transition[:from], next_transition[:to])
    end
    @pending_transitions.shift
  end
end