/**
* get registered state or throw exception else
*
* @param string $name
* @return State
*/
public function getState($name)
{
if (!array_key_exists($name, $this->states)) {
throw WorkflowEngineException::youTryUseNonExistingState($name, array_keys($this->states));
}
return $this->states[$name];
}
/**
* Получает Transition Specification для перемещения сущности из oldState в newState
*
* @param string $oldStateName
* @param string $newStateName
* @return null|TransitionSpecification
*/
public function getTransitionSpecification($oldStateName, $newStateName)
{
$foundedTransitionSpecification = null;
foreach ($this->transitionsSpecifications as $transition) {
if ($transition->getOldState()->getName() === $oldStateName && $transition->getNewState()->getName() === $newStateName) {
$foundedTransitionSpecification = $transition;
}
}
if (is_null($foundedTransitionSpecification)) {
throw WorkflowEngineException::cantFindTransitionSpecification($oldStateName, $newStateName, array_keys($this->getTransitionsSpecifications()));
}
return $foundedTransitionSpecification;
}