/**
* Take a transition from the given node.
*
* @param string $transition ID of the transition, ommitting it will assume a single outgoing transition.
*
* @throws \RuntimeException When the execution has been terminated.
*/
public function take($transition = NULL)
{
if ($this->isTerminated()) {
throw new \RuntimeException(sprintf('Cannot take transition in terminated %s', $this));
}
if ($transition !== NULL && !$transition instanceof Transition) {
$transition = $this->model->findTransition($transition);
}
$this->engine->pushCommand($this->engine->createTakeTransitionCommand($this, $transition));
}
