/**
* Get the entity from the passed rule
*
* @param Rule $rule
*/
protected function getEntity(Rule $rule)
{
if ($rule instanceof RuleSet) {
foreach ($rule->getChildren() as $child) {
return $child->getEntity();
}
throw new \Exception(sprintf('The rule %s and non of its children have an entity', get_class($rule)));
}
return $rule->getEntity();
}
