Module: Opensteam::StateMachine::ClassMethods

Defined in:
lib/opensteam/state_machine.rb,
lib/opensteam/state_machine.rb

Instance Method Summary collapse

Instance Method Details

#get_observer ⇒ Object 



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# File 'lib/opensteam/state_machine.rb', line 38

def get_observer ; @@observer ||= [] ; end

#initial_state(state) ⇒ Object 



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# File 'lib/opensteam/state_machine.rb', line 40

def initial_state( state )
  self.initialstate = state
  after_create { |record| record.state = state }
end

#notify(assoc) ⇒ Object

notify association on state-change calls the observers of the association



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# File 'lib/opensteam/state_machine.rb', line 52

def notify(assoc)
  self.observers << Opensteam::StateMachine::Observer.new( self ) do |record|
    record.send( assoc ).class.observers.each { |o| o.exc( record.send( assoc ) ) }
  end
end

#observe(&block) ⇒ Object

observe state-changes -> calls given block after change_state



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# File 'lib/opensteam/state_machine.rb', line 46

def observe( &block )
  observers << Opensteam::StateMachine::Observer.new( self, &block )
end