Module: Stateflow

Extended by:

ActiveSupport::Concern

Defined in:

lib/stateflow.rb,
lib/stateflow/event.rb,
lib/stateflow/state.rb,
lib/stateflow/railtie.rb,
lib/stateflow/machine.rb,
lib/stateflow/exception.rb,
lib/stateflow/transition.rb,
lib/stateflow/persistence.rb,
lib/stateflow/persistence/none.rb,
lib/stateflow/persistence/mongoid.rb,
lib/stateflow/persistence/mongo_mapper.rb,
lib/stateflow/persistence/active_record.rb

Defined Under Namespace

Modules: ClassMethods, Persistence Classes: Event, IncorrectTransition, Machine, NoEventFound, NoStateFound, NoTransitionFound, Railtie, State, Transition

Instance Attribute Summary (collapse)

• - (Object) _previous_state

  Returns the value of attribute _previous_state.

Class Method Summary (collapse)

• + (Object) persistence
• + (Object) persistence=(persistence)

Instance Method Summary (collapse)

• - (Object) available_states
• - (Object) current_state
• - (Object) machine
• - (Object) set_current_state(new_state, options = {})

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# File 'lib/stateflow.rb', line 45

def _previous_state
  @_previous_state
end

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# File 'lib/stateflow.rb', line 11

def self.persistence
  @@persistence ||= nil
end

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# File 'lib/stateflow.rb', line 15

def self.persistence=(persistence)
  @@persistence = persistence
end

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# File 'lib/stateflow.rb', line 60

def available_states
  machine.states.keys
end

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# File 'lib/stateflow.rb', line 47

def current_state
  @current_state ||= load_from_persistence.nil? ? machine.initial_state : machine.states[load_from_persistence.to_sym]
end

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# File 'lib/stateflow.rb', line 56

def machine
  self.class.machine
end

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# File 'lib/stateflow.rb', line 51

def set_current_state(new_state, options = {})
  save_to_persistence(new_state.name.to_s, options)
  @current_state = new_state
end