izzum\statemachine\StateMachine::doExitState PHP Method

    private function doExitState(Transition $transition)
    {
        // hook for subclasses to implement
        $this->_onExitState($transition);
        // an event handler that is possibly defined on the domain model: onExitState
        $this->callEventHandler($this->getContext()->getEntity(), 'onExitState', $this->getContext()->getIdentifier(), $transition);
        // executes the command and callable associated with the state object
        $transition->getStateFrom()->exitAction($this->getContext());
    }